Forage Fish Diet in Prince William Sound, Alaska: 1994 - 1996
The Forage Fish Diet Overlap component of the Alaska Predator Ecosystem Experiment (APEX) investigated the trophic interactions of forage fish prey of seabird populations which were impacted during the Exxon Valdez oil spill. We analyzed more than 5000 specimens of 14 forage species, and zooplankton...
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| Format: | Dataset |
| Language: | unknown |
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Gulf of Alaska Data Portal
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| Online Access: | https://search.dataone.org/view/df35d.234.5 |
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dataone:df35d.234.5 |
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| record_format |
openpolar |
| institution |
Open Polar |
| collection |
Gulf of Alaska Data Portal (via DataONE) |
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dataone:urn:node:GOA |
| language |
unknown |
| topic |
oil spill prey selection diet overlap forage fish trophic interactions diet composition sympatric competition allopatric alaska prince william sound exxon valdez oil spill trustee council evostc exxon valdez pelagic environmental drivers Amphipod Caprellidae Amphipod Gammarid Calliopius Amphipod Gammarid Cypho challengeri Amphipod Gammarid Cyphocaris sp Amphipod Gammarid Hippomedon sp Amphipod Gammarid Jassa sp Amphipod Gammarid Oedicerotidae Amphipod Gammarid Phoxocephalidae Amphipod Gammarid head Amphipod Gammarid unknown large Amphipod Gammarid unknown medium Amphipod Gammarid unknown no size Amphipod Gammarid unknown small Amphipod Hyperiid Hyperia sp Amphipod Hyperiid Hyperia sp juvenile Amphipod Hyperiid Hyperoche med GF Amphipod Hyperiid Hyperoche medusarum Amphipod Hyperiid P libellula Amphipod Hyperiid P macropa Amphipod Hyperiid P pacifica LARGE Amphipod Hyperiid P pacifica general Amphipod Hyperiid P pacifica juvenile Amphipod Hyperiid Parathem sp Amphipod Hyperiid Parathemisto sp Amphipod Hyperiid Primno macropa Amphipod Hyperiid Primno macropa gen Amphipod Hyperiid unknown LARGE Amphipod Hyperiid unknown MEDIUM Amphipod Hyperiid unknown SMALL Amphipod unknown gammarid hyperiid Arthropod Arachnid Halacarid mite Arthropod Arachnid spider Araneae Barnacle adult molt cirri and moutharea Barnacle cirri setose legs Barnacle cyprid Barnacle nauplius Bivalve general juvenile Bivalve larvae Bivalve mussel juvenile Bivalve pieces shell and muscle Bryozoa cyphonautes larva Calanoid Acartia clausi adult Calanoid Acartia clausi copepodite Calanoid Acartia clausi female Calanoid Acartia clausi general Calanoid Acartia clausi male Calanoid Acartia longiremis female Calanoid Acartia longiremis general Calanoid Acartia longiremus adult Calanoid Acartia longiremus copepodite Calanoid Acartia longiremus male Calanoid Acartia sp Calanoid Acartia sp copepodids Calanoid Bradyidius saanichi female Calanoid Bradyidius saanichi general Calanoid Bradyidius saanichi male Calanoid Bradyidius saanichicopepodite Calanoid C abdominalis copepodite Calanoid C abdominalis general Calanoid C marshallae copepodite CV Calanoid C marshallae female Calanoid C marshallae male Calanoid C pacificus copepodite CV Calanoid Calanus Neocalanus copepodids Calanoid Calanus marshallae general Calanoid Calanus pacificus adult Calanoid Calanus pacificus female Calanoid Calanus pacificus general Calanoid Calanus pacificus male Calanoid Calanus sp copepodite Calanoid Calanus sp female Calanoid Calanus sp general Calanoid Candacia columbiae female Calanoid Centropages abdominalisfemale Calanoid Centropages abdominalismale Calanoid Centropages general Calanoid Chiridius gracilis female Calanoid Copepodite small general Calanoid E elongata CIVtoCV female Calanoid E elongata male CV Calanoid E longipedata copepodite Calanoid E longipedata female Calanoid E longipedata general Calanoid E longipedata male Calanoid Eucalanus bungii copepodite Calanoid Eucalanus bungii female Calanoid Eucalanus bungii general Calanoid Eucalanus bungii male Calanoid Euchaeta elongata CV Calanoid Euchaeta elongata female Calanoid Euchaeta elongata general Calanoid Euchaeta elongata male Calanoid Euchirella rostrata female Calanoid Eurytemora pacifica copepodite Calanoid Eurytemora pacifica female Calanoid Eurytemora pacifica general Calanoid Eurytemora pacifica gravid Calanoid Eurytemora pacifica male Calanoid Lucicutia flavicornis Calanoid M ochotensis CV male Calanoid M pacifica CV copepodite Calanoid Mesocalanus tenuicornis copepodite Calanoid Mesocalanus tenuicornis female Calanoid Mesocalanus tenuicornis general Calanoid Metridia ochotensis female Calanoid Metridia ochotensis general Calanoid Metridia pacifica adult Calanoid Metridia pacifica copepodite Calanoid Metridia pacifica female Calanoid Metridia pacifica general Calanoid Metridia pacifica male Calanoid Metridia sp copepodids ItoIV Calanoid Metridia sp female Calanoid Metridia sp general Calanoid Metridia sp general male Calanoid Neocalanus cristatus CV Calanoid Neocalanus cristatus adult Calanoid Neocalanus plumchrus female Calanoid Neocalanus spp CV copepodite Calanoid Neocalanus spp adult Calanoid Pseudocalanus copepodids ItoIV Calanoid Pseudocalanus female Calanoid Pseudocalanus gravid female Calanoid Pseudocalanus male Calanoid Pseudocalanus sp general Calanoid Tortanus discaudatus Calanoid general large xgreaterThan2 5 mm Calanoid general nauplius Calanoid general small xlessThan2 5 mm Calanoid large NOT Neocalanus Calanus Calanoid large Neocalanus Calanus Capelin Smelt Chaetognath Sagitta elegans Chaetognath species unknown Chum Salmon Cladocera General Cladoceran Evadne sp Cladoceran Podon sp Cnidaria Anthozoa anemone Cnidaria Eperetmus typus Cnidaria Halitholus sp Cnidaria Hydrozoa Siphonophore larva Cnidaria Hydrozoa bract Cnidaria Hydrozoa gonophore Cnidaria Hydrozoan general hydroid Cnidaria Hydrozoan medusae general Cnidaria Melicertum sp Cnidaria Phialidium gregarium Cnidaria Proboscidactyla flavicirrata Cnidaria Trachymedusae sp Cnidaria general jellyfish xgreaterThan2mm Cnidaria general jellyfish xlessThan2mm Coho Salmon Copepod Caligidae parasitic copepod Copepod Monstrilla sp Copepod Monstrillid Copepod Oithona egg cases Crescent Gunnel Crested Sculpin Ctenophore general greaterThan2mm Ctenophore general lessThan2mm Ctenophore only ctenes present Cumacea Cyclopoid Corycaeus sp Cyclopoid Oithona copepodite Cyclopoid Oithona similis AF Cyclopoid Oithona similis AM Cyclopoid Oithona similis general Cyclopoid Oithona similis gravid female Cyclopoid Oithona sp general Cyclopoid Oithona spinirostris Cyclopoid Oithona spinirostris female Cyclopoid Oithona spinirostris male Decapod Pandalidae Decapod Shrimp Crangonid general Decapod Shrimp Hippolytid Eualus sp Decapod megalops Brachyura Decapod megalops Cancridae Decapod megalops Lithodidae Decapod megalops Majidae Decapod megalops Paguridae Decapod megalops unknown crab Decapod zoea Anomuran Lithodidae Decapod zoea Brachyura general Decapod zoea Shrimp Crangonidae Decapod zoea Shrimp Hippolytidae Decapod zoea Shrimp Pandalidae Decapod zoea crab Brachyrhyncha Decapod zoea crab Cancridae Decapod zoea crab Oregoninae Decapod zoea crab Pisinae Decapod zoea crab general unknown Decapod zoea general shrimp Decapod zoea hermit crab Paguridae Decapod zoea unknown general DecapodShrimp Hippolytid general DecapodShrimp gen unknown juv adult DecapodShrmpHippo Spirontocaris sp Echinodermata Bipinnaria larvae Echinodermata Brittlestar pluteus Eulachon Smelt Euphausiid E pacifica large Euphausiid E pacifica medium Euphausiid E pacifica small Euphausiid Euphausia pacifica GENERAL Euphausiid T longipes Euphausiid T raschii females Euphausiid T raschii general Euphausiid T raschii males Euphausiid Thysannoessa sp gen adult Euphausiid Thysannoessa sp juvenile Euphausiid Thysanoessa spinifera Euphausiid calyptopis Euphausiid egg Euphausiid furcilia Euphausiid general unknown Euphausiid juvenile general Euphausiid nauplii Fish Ammodytes hexapterus sandlance Fish Larval unidentified Fish Mallotus villosus capelin Fish Scorpaenidae gen rockfish spp Fish egg 1 0 mm Fish elongate larva Fish flatfish larvae Pleuronectiform Fish herring juvenile 41to60mm Fish juvenile general Fish robust larva Fish small juvenile larva general Fish unidentifiable Fish walleye pollock 41to60mm Fish walleye pollock 61to80mm Gadidae unidentified Gastropod Pteropod Limacina helicina A Gastropod Pteropod Limacina helicina J Gastropod egg case Littorina Gastropod general veliger Gastropod juv snail w black pigment Gastropoda Pteropod unidentified Gastropoda Pteropoda Clio sp Gastropoda Pteropoda Clione sp Gastropoda general juvenile SNAIL Gastropoda juv snail in zooplankton Greenling unidentified Harpacticoid Dactylopodia general Harpacticoid Dactylopodia gravid female Harpacticoid Ectinosomatid gravid Harpacticoid Ectinosomatidae Harpacticoid Harpacticus copepodite Harpacticoid Harpacticus female adult Harpacticoid Harpacticus gravid female Harpacticoid Harpacticus male adult Harpacticoid Harpacticus sp general ad Harpacticoid Harpacticus uniremis Harpacticoid Harpacticus unknown stage Harpacticoid Laophontidae adult Harpacticoid Laophontidae copepodite Harpacticoid Tisbe copepodite Harpacticoid Tisbe sp adult Harpacticoid Tisbe sp gravid female Harpacticoid Tisbe sp stage unknown Harpacticoid Zaus copepodite Harpacticoid Zaus gravid female Harpacticoid Zaus sp general Harpacticoid general adult Harpacticoid general clasping pair Harpacticoid general copepodite Harpacticoid general eggsac Harpacticoid general gravid eggs Harpacticoid general nauplius Harpacticoid general unknown stage Insect Chironomidae larva naiad Insect Chironomidae pupa Insect Collembola elongate purple Insect Collembola globular pink Insect Collembola globular purple Insect Dipteran adult Insect Dipteran larvae Insect Dipteran pupae Insect general Insect larva unknown Insect pupa unknown Insect unknown large Isopod Epicarid Cryptoniscid larva Isopod Gnorimosphaeroma species Isopod general Kelp Greenling Lanternfish unidentified Larvacea Oikopleura dioica Larvacea Oikopleura greaterThan 2mm IMS Larvacea Oikopleura lessThan 2mm IMS Larvacea Oikopleura sp Larvacea general Lingcod Greenling Malacostraca Malacostraca eyes only Mysidae general adult stage 6 Mysidae general stage unknown MysidaePacifacanthomysis nephrophthalma Mytiloida Musculus sp Mytiloida Musculus vernicosus Nematode Ostracod Conchoecia sp small Ostracod general unknown Pacific Cod Pacific Herring Pacific Sandfish Pacific Sandlance Pacific Tomcod Pink Salmon Pleurocercoid larvae proho cephalus Polychaeta Autolytus sp gravid Female Polychaeta Nereidae Polychaeta Pectinariidae Polychaeta Tomopteris sp Polychaeta adult Polychaeta general juvenile Polychaeta trochophore larva Polychaeta unknown large Prowfish Rock Greenling Sablefish Sculpin unidentified Snailfish unidentified Sockeye Salmon Thaliacea Salpida unknown Threespine Stickleback Tube Snout Unidentified item Unknown egg mass Unknown invertebrate egg large greaterThan0 2mm Unknown invertebrate egg small lessThan0 2mm Unknown nauplius Unknown worm shaped trematode Walleye Pollock White granular matter Whitespotted Greenling |
| spellingShingle |
oil spill prey selection diet overlap forage fish trophic interactions diet composition sympatric competition allopatric alaska prince william sound exxon valdez oil spill trustee council evostc exxon valdez pelagic environmental drivers Amphipod Caprellidae Amphipod Gammarid Calliopius Amphipod Gammarid Cypho challengeri Amphipod Gammarid Cyphocaris sp Amphipod Gammarid Hippomedon sp Amphipod Gammarid Jassa sp Amphipod Gammarid Oedicerotidae Amphipod Gammarid Phoxocephalidae Amphipod Gammarid head Amphipod Gammarid unknown large Amphipod Gammarid unknown medium Amphipod Gammarid unknown no size Amphipod Gammarid unknown small Amphipod Hyperiid Hyperia sp Amphipod Hyperiid Hyperia sp juvenile Amphipod Hyperiid Hyperoche med GF Amphipod Hyperiid Hyperoche medusarum Amphipod Hyperiid P libellula Amphipod Hyperiid P macropa Amphipod Hyperiid P pacifica LARGE Amphipod Hyperiid P pacifica general Amphipod Hyperiid P pacifica juvenile Amphipod Hyperiid Parathem sp Amphipod Hyperiid Parathemisto sp Amphipod Hyperiid Primno macropa Amphipod Hyperiid Primno macropa gen Amphipod Hyperiid unknown LARGE Amphipod Hyperiid unknown MEDIUM Amphipod Hyperiid unknown SMALL Amphipod unknown gammarid hyperiid Arthropod Arachnid Halacarid mite Arthropod Arachnid spider Araneae Barnacle adult molt cirri and moutharea Barnacle cirri setose legs Barnacle cyprid Barnacle nauplius Bivalve general juvenile Bivalve larvae Bivalve mussel juvenile Bivalve pieces shell and muscle Bryozoa cyphonautes larva Calanoid Acartia clausi adult Calanoid Acartia clausi copepodite Calanoid Acartia clausi female Calanoid Acartia clausi general Calanoid Acartia clausi male Calanoid Acartia longiremis female Calanoid Acartia longiremis general Calanoid Acartia longiremus adult Calanoid Acartia longiremus copepodite Calanoid Acartia longiremus male Calanoid Acartia sp Calanoid Acartia sp copepodids Calanoid Bradyidius saanichi female Calanoid Bradyidius saanichi general Calanoid Bradyidius saanichi male Calanoid Bradyidius saanichicopepodite Calanoid C abdominalis copepodite Calanoid C abdominalis general Calanoid C marshallae copepodite CV Calanoid C marshallae female Calanoid C marshallae male Calanoid C pacificus copepodite CV Calanoid Calanus Neocalanus copepodids Calanoid Calanus marshallae general Calanoid Calanus pacificus adult Calanoid Calanus pacificus female Calanoid Calanus pacificus general Calanoid Calanus pacificus male Calanoid Calanus sp copepodite Calanoid Calanus sp female Calanoid Calanus sp general Calanoid Candacia columbiae female Calanoid Centropages abdominalisfemale Calanoid Centropages abdominalismale Calanoid Centropages general Calanoid Chiridius gracilis female Calanoid Copepodite small general Calanoid E elongata CIVtoCV female Calanoid E elongata male CV Calanoid E longipedata copepodite Calanoid E longipedata female Calanoid E longipedata general Calanoid E longipedata male Calanoid Eucalanus bungii copepodite Calanoid Eucalanus bungii female Calanoid Eucalanus bungii general Calanoid Eucalanus bungii male Calanoid Euchaeta elongata CV Calanoid Euchaeta elongata female Calanoid Euchaeta elongata general Calanoid Euchaeta elongata male Calanoid Euchirella rostrata female Calanoid Eurytemora pacifica copepodite Calanoid Eurytemora pacifica female Calanoid Eurytemora pacifica general Calanoid Eurytemora pacifica gravid Calanoid Eurytemora pacifica male Calanoid Lucicutia flavicornis Calanoid M ochotensis CV male Calanoid M pacifica CV copepodite Calanoid Mesocalanus tenuicornis copepodite Calanoid Mesocalanus tenuicornis female Calanoid Mesocalanus tenuicornis general Calanoid Metridia ochotensis female Calanoid Metridia ochotensis general Calanoid Metridia pacifica adult Calanoid Metridia pacifica copepodite Calanoid Metridia pacifica female Calanoid Metridia pacifica general Calanoid Metridia pacifica male Calanoid Metridia sp copepodids ItoIV Calanoid Metridia sp female Calanoid Metridia sp general Calanoid Metridia sp general male Calanoid Neocalanus cristatus CV Calanoid Neocalanus cristatus adult Calanoid Neocalanus plumchrus female Calanoid Neocalanus spp CV copepodite Calanoid Neocalanus spp adult Calanoid Pseudocalanus copepodids ItoIV Calanoid Pseudocalanus female Calanoid Pseudocalanus gravid female Calanoid Pseudocalanus male Calanoid Pseudocalanus sp general Calanoid Tortanus discaudatus Calanoid general large xgreaterThan2 5 mm Calanoid general nauplius Calanoid general small xlessThan2 5 mm Calanoid large NOT Neocalanus Calanus Calanoid large Neocalanus Calanus Capelin Smelt Chaetognath Sagitta elegans Chaetognath species unknown Chum Salmon Cladocera General Cladoceran Evadne sp Cladoceran Podon sp Cnidaria Anthozoa anemone Cnidaria Eperetmus typus Cnidaria Halitholus sp Cnidaria Hydrozoa Siphonophore larva Cnidaria Hydrozoa bract Cnidaria Hydrozoa gonophore Cnidaria Hydrozoan general hydroid Cnidaria Hydrozoan medusae general Cnidaria Melicertum sp Cnidaria Phialidium gregarium Cnidaria Proboscidactyla flavicirrata Cnidaria Trachymedusae sp Cnidaria general jellyfish xgreaterThan2mm Cnidaria general jellyfish xlessThan2mm Coho Salmon Copepod Caligidae parasitic copepod Copepod Monstrilla sp Copepod Monstrillid Copepod Oithona egg cases Crescent Gunnel Crested Sculpin Ctenophore general greaterThan2mm Ctenophore general lessThan2mm Ctenophore only ctenes present Cumacea Cyclopoid Corycaeus sp Cyclopoid Oithona copepodite Cyclopoid Oithona similis AF Cyclopoid Oithona similis AM Cyclopoid Oithona similis general Cyclopoid Oithona similis gravid female Cyclopoid Oithona sp general Cyclopoid Oithona spinirostris Cyclopoid Oithona spinirostris female Cyclopoid Oithona spinirostris male Decapod Pandalidae Decapod Shrimp Crangonid general Decapod Shrimp Hippolytid Eualus sp Decapod megalops Brachyura Decapod megalops Cancridae Decapod megalops Lithodidae Decapod megalops Majidae Decapod megalops Paguridae Decapod megalops unknown crab Decapod zoea Anomuran Lithodidae Decapod zoea Brachyura general Decapod zoea Shrimp Crangonidae Decapod zoea Shrimp Hippolytidae Decapod zoea Shrimp Pandalidae Decapod zoea crab Brachyrhyncha Decapod zoea crab Cancridae Decapod zoea crab Oregoninae Decapod zoea crab Pisinae Decapod zoea crab general unknown Decapod zoea general shrimp Decapod zoea hermit crab Paguridae Decapod zoea unknown general DecapodShrimp Hippolytid general DecapodShrimp gen unknown juv adult DecapodShrmpHippo Spirontocaris sp Echinodermata Bipinnaria larvae Echinodermata Brittlestar pluteus Eulachon Smelt Euphausiid E pacifica large Euphausiid E pacifica medium Euphausiid E pacifica small Euphausiid Euphausia pacifica GENERAL Euphausiid T longipes Euphausiid T raschii females Euphausiid T raschii general Euphausiid T raschii males Euphausiid Thysannoessa sp gen adult Euphausiid Thysannoessa sp juvenile Euphausiid Thysanoessa spinifera Euphausiid calyptopis Euphausiid egg Euphausiid furcilia Euphausiid general unknown Euphausiid juvenile general Euphausiid nauplii Fish Ammodytes hexapterus sandlance Fish Larval unidentified Fish Mallotus villosus capelin Fish Scorpaenidae gen rockfish spp Fish egg 1 0 mm Fish elongate larva Fish flatfish larvae Pleuronectiform Fish herring juvenile 41to60mm Fish juvenile general Fish robust larva Fish small juvenile larva general Fish unidentifiable Fish walleye pollock 41to60mm Fish walleye pollock 61to80mm Gadidae unidentified Gastropod Pteropod Limacina helicina A Gastropod Pteropod Limacina helicina J Gastropod egg case Littorina Gastropod general veliger Gastropod juv snail w black pigment Gastropoda Pteropod unidentified Gastropoda Pteropoda Clio sp Gastropoda Pteropoda Clione sp Gastropoda general juvenile SNAIL Gastropoda juv snail in zooplankton Greenling unidentified Harpacticoid Dactylopodia general Harpacticoid Dactylopodia gravid female Harpacticoid Ectinosomatid gravid Harpacticoid Ectinosomatidae Harpacticoid Harpacticus copepodite Harpacticoid Harpacticus female adult Harpacticoid Harpacticus gravid female Harpacticoid Harpacticus male adult Harpacticoid Harpacticus sp general ad Harpacticoid Harpacticus uniremis Harpacticoid Harpacticus unknown stage Harpacticoid Laophontidae adult Harpacticoid Laophontidae copepodite Harpacticoid Tisbe copepodite Harpacticoid Tisbe sp adult Harpacticoid Tisbe sp gravid female Harpacticoid Tisbe sp stage unknown Harpacticoid Zaus copepodite Harpacticoid Zaus gravid female Harpacticoid Zaus sp general Harpacticoid general adult Harpacticoid general clasping pair Harpacticoid general copepodite Harpacticoid general eggsac Harpacticoid general gravid eggs Harpacticoid general nauplius Harpacticoid general unknown stage Insect Chironomidae larva naiad Insect Chironomidae pupa Insect Collembola elongate purple Insect Collembola globular pink Insect Collembola globular purple Insect Dipteran adult Insect Dipteran larvae Insect Dipteran pupae Insect general Insect larva unknown Insect pupa unknown Insect unknown large Isopod Epicarid Cryptoniscid larva Isopod Gnorimosphaeroma species Isopod general Kelp Greenling Lanternfish unidentified Larvacea Oikopleura dioica Larvacea Oikopleura greaterThan 2mm IMS Larvacea Oikopleura lessThan 2mm IMS Larvacea Oikopleura sp Larvacea general Lingcod Greenling Malacostraca Malacostraca eyes only Mysidae general adult stage 6 Mysidae general stage unknown MysidaePacifacanthomysis nephrophthalma Mytiloida Musculus sp Mytiloida Musculus vernicosus Nematode Ostracod Conchoecia sp small Ostracod general unknown Pacific Cod Pacific Herring Pacific Sandfish Pacific Sandlance Pacific Tomcod Pink Salmon Pleurocercoid larvae proho cephalus Polychaeta Autolytus sp gravid Female Polychaeta Nereidae Polychaeta Pectinariidae Polychaeta Tomopteris sp Polychaeta adult Polychaeta general juvenile Polychaeta trochophore larva Polychaeta unknown large Prowfish Rock Greenling Sablefish Sculpin unidentified Snailfish unidentified Sockeye Salmon Thaliacea Salpida unknown Threespine Stickleback Tube Snout Unidentified item Unknown egg mass Unknown invertebrate egg large greaterThan0 2mm Unknown invertebrate egg small lessThan0 2mm Unknown nauplius Unknown worm shaped trematode Walleye Pollock White granular matter Whitespotted Greenling Molly Sturdevant Forage Fish Diet in Prince William Sound, Alaska: 1994 - 1996 |
| topic_facet |
oil spill prey selection diet overlap forage fish trophic interactions diet composition sympatric competition allopatric alaska prince william sound exxon valdez oil spill trustee council evostc exxon valdez pelagic environmental drivers Amphipod Caprellidae Amphipod Gammarid Calliopius Amphipod Gammarid Cypho challengeri Amphipod Gammarid Cyphocaris sp Amphipod Gammarid Hippomedon sp Amphipod Gammarid Jassa sp Amphipod Gammarid Oedicerotidae Amphipod Gammarid Phoxocephalidae Amphipod Gammarid head Amphipod Gammarid unknown large Amphipod Gammarid unknown medium Amphipod Gammarid unknown no size Amphipod Gammarid unknown small Amphipod Hyperiid Hyperia sp Amphipod Hyperiid Hyperia sp juvenile Amphipod Hyperiid Hyperoche med GF Amphipod Hyperiid Hyperoche medusarum Amphipod Hyperiid P libellula Amphipod Hyperiid P macropa Amphipod Hyperiid P pacifica LARGE Amphipod Hyperiid P pacifica general Amphipod Hyperiid P pacifica juvenile Amphipod Hyperiid Parathem sp Amphipod Hyperiid Parathemisto sp Amphipod Hyperiid Primno macropa Amphipod Hyperiid Primno macropa gen Amphipod Hyperiid unknown LARGE Amphipod Hyperiid unknown MEDIUM Amphipod Hyperiid unknown SMALL Amphipod unknown gammarid hyperiid Arthropod Arachnid Halacarid mite Arthropod Arachnid spider Araneae Barnacle adult molt cirri and moutharea Barnacle cirri setose legs Barnacle cyprid Barnacle nauplius Bivalve general juvenile Bivalve larvae Bivalve mussel juvenile Bivalve pieces shell and muscle Bryozoa cyphonautes larva Calanoid Acartia clausi adult Calanoid Acartia clausi copepodite Calanoid Acartia clausi female Calanoid Acartia clausi general Calanoid Acartia clausi male Calanoid Acartia longiremis female Calanoid Acartia longiremis general Calanoid Acartia longiremus adult Calanoid Acartia longiremus copepodite Calanoid Acartia longiremus male Calanoid Acartia sp Calanoid Acartia sp copepodids Calanoid Bradyidius saanichi female Calanoid Bradyidius saanichi general Calanoid Bradyidius saanichi male Calanoid Bradyidius saanichicopepodite Calanoid C abdominalis copepodite Calanoid C abdominalis general Calanoid C marshallae copepodite CV Calanoid C marshallae female Calanoid C marshallae male Calanoid C pacificus copepodite CV Calanoid Calanus Neocalanus copepodids Calanoid Calanus marshallae general Calanoid Calanus pacificus adult Calanoid Calanus pacificus female Calanoid Calanus pacificus general Calanoid Calanus pacificus male Calanoid Calanus sp copepodite Calanoid Calanus sp female Calanoid Calanus sp general Calanoid Candacia columbiae female Calanoid Centropages abdominalisfemale Calanoid Centropages abdominalismale Calanoid Centropages general Calanoid Chiridius gracilis female Calanoid Copepodite small general Calanoid E elongata CIVtoCV female Calanoid E elongata male CV Calanoid E longipedata copepodite Calanoid E longipedata female Calanoid E longipedata general Calanoid E longipedata male Calanoid Eucalanus bungii copepodite Calanoid Eucalanus bungii female Calanoid Eucalanus bungii general Calanoid Eucalanus bungii male Calanoid Euchaeta elongata CV Calanoid Euchaeta elongata female Calanoid Euchaeta elongata general Calanoid Euchaeta elongata male Calanoid Euchirella rostrata female Calanoid Eurytemora pacifica copepodite Calanoid Eurytemora pacifica female Calanoid Eurytemora pacifica general Calanoid Eurytemora pacifica gravid Calanoid Eurytemora pacifica male Calanoid Lucicutia flavicornis Calanoid M ochotensis CV male Calanoid M pacifica CV copepodite Calanoid Mesocalanus tenuicornis copepodite Calanoid Mesocalanus tenuicornis female Calanoid Mesocalanus tenuicornis general Calanoid Metridia ochotensis female Calanoid Metridia ochotensis general Calanoid Metridia pacifica adult Calanoid Metridia pacifica copepodite Calanoid Metridia pacifica female Calanoid Metridia pacifica general Calanoid Metridia pacifica male Calanoid Metridia sp copepodids ItoIV Calanoid Metridia sp female Calanoid Metridia sp general Calanoid Metridia sp general male Calanoid Neocalanus cristatus CV Calanoid Neocalanus cristatus adult Calanoid Neocalanus plumchrus female Calanoid Neocalanus spp CV copepodite Calanoid Neocalanus spp adult Calanoid Pseudocalanus copepodids ItoIV Calanoid Pseudocalanus female Calanoid Pseudocalanus gravid female Calanoid Pseudocalanus male Calanoid Pseudocalanus sp general Calanoid Tortanus discaudatus Calanoid general large xgreaterThan2 5 mm Calanoid general nauplius Calanoid general small xlessThan2 5 mm Calanoid large NOT Neocalanus Calanus Calanoid large Neocalanus Calanus Capelin Smelt Chaetognath Sagitta elegans Chaetognath species unknown Chum Salmon Cladocera General Cladoceran Evadne sp Cladoceran Podon sp Cnidaria Anthozoa anemone Cnidaria Eperetmus typus Cnidaria Halitholus sp Cnidaria Hydrozoa Siphonophore larva Cnidaria Hydrozoa bract Cnidaria Hydrozoa gonophore Cnidaria Hydrozoan general hydroid Cnidaria Hydrozoan medusae general Cnidaria Melicertum sp Cnidaria Phialidium gregarium Cnidaria Proboscidactyla flavicirrata Cnidaria Trachymedusae sp Cnidaria general jellyfish xgreaterThan2mm Cnidaria general jellyfish xlessThan2mm Coho Salmon Copepod Caligidae parasitic copepod Copepod Monstrilla sp Copepod Monstrillid Copepod Oithona egg cases Crescent Gunnel Crested Sculpin Ctenophore general greaterThan2mm Ctenophore general lessThan2mm Ctenophore only ctenes present Cumacea Cyclopoid Corycaeus sp Cyclopoid Oithona copepodite Cyclopoid Oithona similis AF Cyclopoid Oithona similis AM Cyclopoid Oithona similis general Cyclopoid Oithona similis gravid female Cyclopoid Oithona sp general Cyclopoid Oithona spinirostris Cyclopoid Oithona spinirostris female Cyclopoid Oithona spinirostris male Decapod Pandalidae Decapod Shrimp Crangonid general Decapod Shrimp Hippolytid Eualus sp Decapod megalops Brachyura Decapod megalops Cancridae Decapod megalops Lithodidae Decapod megalops Majidae Decapod megalops Paguridae Decapod megalops unknown crab Decapod zoea Anomuran Lithodidae Decapod zoea Brachyura general Decapod zoea Shrimp Crangonidae Decapod zoea Shrimp Hippolytidae Decapod zoea Shrimp Pandalidae Decapod zoea crab Brachyrhyncha Decapod zoea crab Cancridae Decapod zoea crab Oregoninae Decapod zoea crab Pisinae Decapod zoea crab general unknown Decapod zoea general shrimp Decapod zoea hermit crab Paguridae Decapod zoea unknown general DecapodShrimp Hippolytid general DecapodShrimp gen unknown juv adult DecapodShrmpHippo Spirontocaris sp Echinodermata Bipinnaria larvae Echinodermata Brittlestar pluteus Eulachon Smelt Euphausiid E pacifica large Euphausiid E pacifica medium Euphausiid E pacifica small Euphausiid Euphausia pacifica GENERAL Euphausiid T longipes Euphausiid T raschii females Euphausiid T raschii general Euphausiid T raschii males Euphausiid Thysannoessa sp gen adult Euphausiid Thysannoessa sp juvenile Euphausiid Thysanoessa spinifera Euphausiid calyptopis Euphausiid egg Euphausiid furcilia Euphausiid general unknown Euphausiid juvenile general Euphausiid nauplii Fish Ammodytes hexapterus sandlance Fish Larval unidentified Fish Mallotus villosus capelin Fish Scorpaenidae gen rockfish spp Fish egg 1 0 mm Fish elongate larva Fish flatfish larvae Pleuronectiform Fish herring juvenile 41to60mm Fish juvenile general Fish robust larva Fish small juvenile larva general Fish unidentifiable Fish walleye pollock 41to60mm Fish walleye pollock 61to80mm Gadidae unidentified Gastropod Pteropod Limacina helicina A Gastropod Pteropod Limacina helicina J Gastropod egg case Littorina Gastropod general veliger Gastropod juv snail w black pigment Gastropoda Pteropod unidentified Gastropoda Pteropoda Clio sp Gastropoda Pteropoda Clione sp Gastropoda general juvenile SNAIL Gastropoda juv snail in zooplankton Greenling unidentified Harpacticoid Dactylopodia general Harpacticoid Dactylopodia gravid female Harpacticoid Ectinosomatid gravid Harpacticoid Ectinosomatidae Harpacticoid Harpacticus copepodite Harpacticoid Harpacticus female adult Harpacticoid Harpacticus gravid female Harpacticoid Harpacticus male adult Harpacticoid Harpacticus sp general ad Harpacticoid Harpacticus uniremis Harpacticoid Harpacticus unknown stage Harpacticoid Laophontidae adult Harpacticoid Laophontidae copepodite Harpacticoid Tisbe copepodite Harpacticoid Tisbe sp adult Harpacticoid Tisbe sp gravid female Harpacticoid Tisbe sp stage unknown Harpacticoid Zaus copepodite Harpacticoid Zaus gravid female Harpacticoid Zaus sp general Harpacticoid general adult Harpacticoid general clasping pair Harpacticoid general copepodite Harpacticoid general eggsac Harpacticoid general gravid eggs Harpacticoid general nauplius Harpacticoid general unknown stage Insect Chironomidae larva naiad Insect Chironomidae pupa Insect Collembola elongate purple Insect Collembola globular pink Insect Collembola globular purple Insect Dipteran adult Insect Dipteran larvae Insect Dipteran pupae Insect general Insect larva unknown Insect pupa unknown Insect unknown large Isopod Epicarid Cryptoniscid larva Isopod Gnorimosphaeroma species Isopod general Kelp Greenling Lanternfish unidentified Larvacea Oikopleura dioica Larvacea Oikopleura greaterThan 2mm IMS Larvacea Oikopleura lessThan 2mm IMS Larvacea Oikopleura sp Larvacea general Lingcod Greenling Malacostraca Malacostraca eyes only Mysidae general adult stage 6 Mysidae general stage unknown MysidaePacifacanthomysis nephrophthalma Mytiloida Musculus sp Mytiloida Musculus vernicosus Nematode Ostracod Conchoecia sp small Ostracod general unknown Pacific Cod Pacific Herring Pacific Sandfish Pacific Sandlance Pacific Tomcod Pink Salmon Pleurocercoid larvae proho cephalus Polychaeta Autolytus sp gravid Female Polychaeta Nereidae Polychaeta Pectinariidae Polychaeta Tomopteris sp Polychaeta adult Polychaeta general juvenile Polychaeta trochophore larva Polychaeta unknown large Prowfish Rock Greenling Sablefish Sculpin unidentified Snailfish unidentified Sockeye Salmon Thaliacea Salpida unknown Threespine Stickleback Tube Snout Unidentified item Unknown egg mass Unknown invertebrate egg large greaterThan0 2mm Unknown invertebrate egg small lessThan0 2mm Unknown nauplius Unknown worm shaped trematode Walleye Pollock White granular matter Whitespotted Greenling |
| description |
The Forage Fish Diet Overlap component of the Alaska Predator Ecosystem Experiment (APEX) investigated the trophic interactions of forage fish prey of seabird populations which were impacted during the Exxon Valdez oil spill. We analyzed more than 5000 specimens of 14 forage species, and zooplankton and epibenthic prey samples from Prince William Sound (PWS), 1994-96. Forage fish were collected monthly in western PWS with purse seines in 1994 and in three regions of PWS (southwestern, central and northeastern) with a mid-water trawl in 1995 (summer and autumn) and with a beach seine in 1996 (summer). The species examined were mainly young-of-the-year (YOY) and age 1 walleye pollock (Theragra chalcogramma), Pacific herring (Clupeu pallasi), Pacific sandlance (Ammodytes hexapterus), pink salmon (Oncorhynchus gorbuscha), chum salmon (O. keta), sockeye salmon (O. nerka), Pacific cod (Gadus macrocephalus), Pacific tomcod (Microgadus proximus), prowfish (Zaprora silenus), northern smoothtongue (Leuroglossus schmidti), eulachon (Thaleichthys pacificus), capelin (Mallotus villosus), threespine stickleback (Gasterosteus aculeatus), and Pacific sandfish (Trichodon trichodon). We compared seasonal size, diet composition and diet overlap between species from May-November, 1994; described the diets, prey fields and prey selection of juvenile pollock and herring in summer and autumn, 1995 and of juvenile herring, sandlance and pink salmon in summer, 1996; examined for prey shifts and feeding declines when the 1995-96 fish occurred in multi-species aggregations (sympatrically) compared to when they occurred in single species aggregations (allopatrically) to test for competition; and compared diet composition interannually for several species in July of the three years. Publications: Purcell, J. E. and M. V. Sturdevant. 2001. Prey selection and dietary overlap among zooplanktivorous jellyfish and juvenile fishes in Prince William Sound, Alaska. Marine Ecology Progress Series 210:67-83. Sturdevant, M. V., T. M. Willette, S. C. Jewett, E. Debevec, L. B. Hulbert, and A. L. J. Brase. 1999. Forage fish diet overlap, 1994-1996. Exxon Valdez Oil Spill Restoration Project Final Report. Restoration Project 97163C, 3 chapters: 103 pages+ figures and tables. EVOS Trustee Council, Anchorage, AK. Available at: http://www.arlis.org/ Sturdevant, M. V., T. M. Willette, S. C. Jewett, E. Debevec, L. B. Hulbert, and A. L. J. Brase. 1999. Diet composition, diet overlap, and size of 14 species of forage fish collected monthly in Prince William Sound, Alaska, 1994-1996. Pgs. 10-37 (Chapter 1) in M. V. Sturdevant et al. (ed.). Forage fish diet overlap, 1994-1996. Exxon Valdez Oil Spill Restoration Project Final Report, Restoration Project 97163C, 103 pages+ figures and tables. EVOS Trustee Council, Anchorage, AK. Available at: http://www.arlis.org/ Sturdevant, M. V., A. L. J. Brase, and L. B. Hulbert. 1999. Feeding, prey fields, and potential competition of young-of-the-year walleye pollock (Theragra chalcogramma) and Pacific herring (Clupea pallasi) in Prince William Sound, Alaska in summer and autumn. Pgs. 38-71 (Chapter 2) in M. V. Sturdevant et al. (ed.). Forage fish diet overlap, 1994-1996. Exxon Valdez Oil Spill Restoration Project Final Report, Restoration Project 97163C, 103 pages+ figures and tables. EVOS Trustee Council, Anchorage, AK. Available at: http://www.arlis.org/ Sturdevant, M. V. B., A.L.J./ Brase, and L. B. Hulbert. 1999. Diet overlap, prey selection, and potential food competition among allopatric and sympatric forage fish species in Prince William Sound, 1996. Pgs. 72-100 (Chapter 3) in M. V. Sturdevant et al. (ed.). Forage fish diet overlap, 1994-1996. Exxon Valdez Oil Spill Restoration Project Final Report, Restoration Project 97163C, 103 pages+ figures and tables. EVOS Trustee Council, Anchorage, AK. Available at: http://www.arlis.org/ Sturdevant, M. V. 2001. Summer zooplankton abundance and composition estimates from 20-m vertical hauls in Prince William Sound, Alaska, using three net meshes. Alaska Fishery Research Bulletin 8:96-106. Sturdevant, M. V., A. L. J. Brase, and L. B. Hulbert. 2001. Feeding habits, prey fields, and potential competition of young-of-the-year walleye pollock (Theragra chalcogramma) and Pacific herring (Clupea pallasi) in Prince William Sound, Alaska, 1994-1995. Fishery Bulletin 99:482-501. |
| format |
Dataset |
| author |
Molly Sturdevant |
| author_facet |
Molly Sturdevant |
| author_sort |
Molly Sturdevant |
| title |
Forage Fish Diet in Prince William Sound, Alaska: 1994 - 1996 |
| title_short |
Forage Fish Diet in Prince William Sound, Alaska: 1994 - 1996 |
| title_full |
Forage Fish Diet in Prince William Sound, Alaska: 1994 - 1996 |
| title_fullStr |
Forage Fish Diet in Prince William Sound, Alaska: 1994 - 1996 |
| title_full_unstemmed |
Forage Fish Diet in Prince William Sound, Alaska: 1994 - 1996 |
| title_sort |
forage fish diet in prince william sound, alaska: 1994 - 1996 |
| publisher |
Gulf of Alaska Data Portal |
| publishDate |
|
| url |
https://search.dataone.org/view/df35d.234.5 |
| op_coverage |
Prince William Sound, Alaska ENVELOPE(-148.5,-145.875,61.125,59.875) BEGINDATE: 1994-01-01T00:00:00Z ENDDATE: 1996-01-01T00:00:00Z |
| long_lat |
ENVELOPE(-130.143,-130.143,54.160,54.160) ENVELOPE(-19.455,-19.455,65.656,65.656) ENVELOPE(-67.533,-67.533,-67.100,-67.100) ENVELOPE(20.153,20.153,69.428,69.428) ENVELOPE(16.261,16.261,67.903,67.903) ENVELOPE(-148.5,-145.875,61.125,59.875) |
| geographic |
Anchorage Pacific Sockeye Keta Gunnel Juv Jassa |
| geographic_facet |
Anchorage Pacific Sockeye Keta Gunnel Juv Jassa |
| genre |
Limacina helicina Oncorhynchus gorbuscha Pink salmon Theragra chalcogramma Alaska Harpacticus Mite |
| genre_facet |
Limacina helicina Oncorhynchus gorbuscha Pink salmon Theragra chalcogramma Alaska Harpacticus Mite |
| _version_ |
1800873874037932032 |
| spelling |
dataone:df35d.234.5 2024-06-03T18:46:58+00:00 Forage Fish Diet in Prince William Sound, Alaska: 1994 - 1996 Molly Sturdevant Prince William Sound, Alaska ENVELOPE(-148.5,-145.875,61.125,59.875) BEGINDATE: 1994-01-01T00:00:00Z ENDDATE: 1996-01-01T00:00:00Z 2013-08-01T23:00:00Z https://search.dataone.org/view/df35d.234.5 unknown Gulf of Alaska Data Portal oil spill prey selection diet overlap forage fish trophic interactions diet composition sympatric competition allopatric alaska prince william sound exxon valdez oil spill trustee council evostc exxon valdez pelagic environmental drivers Amphipod Caprellidae Amphipod Gammarid Calliopius Amphipod Gammarid Cypho challengeri Amphipod Gammarid Cyphocaris sp Amphipod Gammarid Hippomedon sp Amphipod Gammarid Jassa sp Amphipod Gammarid Oedicerotidae Amphipod Gammarid Phoxocephalidae Amphipod Gammarid head Amphipod Gammarid unknown large Amphipod Gammarid unknown medium Amphipod Gammarid unknown no size Amphipod Gammarid unknown small Amphipod Hyperiid Hyperia sp Amphipod Hyperiid Hyperia sp juvenile Amphipod Hyperiid Hyperoche med GF Amphipod Hyperiid Hyperoche medusarum Amphipod Hyperiid P libellula Amphipod Hyperiid P macropa Amphipod Hyperiid P pacifica LARGE Amphipod Hyperiid P pacifica general Amphipod Hyperiid P pacifica juvenile Amphipod Hyperiid Parathem sp Amphipod Hyperiid Parathemisto sp Amphipod Hyperiid Primno macropa Amphipod Hyperiid Primno macropa gen Amphipod Hyperiid unknown LARGE Amphipod Hyperiid unknown MEDIUM Amphipod Hyperiid unknown SMALL Amphipod unknown gammarid hyperiid Arthropod Arachnid Halacarid mite Arthropod Arachnid spider Araneae Barnacle adult molt cirri and moutharea Barnacle cirri setose legs Barnacle cyprid Barnacle nauplius Bivalve general juvenile Bivalve larvae Bivalve mussel juvenile Bivalve pieces shell and muscle Bryozoa cyphonautes larva Calanoid Acartia clausi adult Calanoid Acartia clausi copepodite Calanoid Acartia clausi female Calanoid Acartia clausi general Calanoid Acartia clausi male Calanoid Acartia longiremis female Calanoid Acartia longiremis general Calanoid Acartia longiremus adult Calanoid Acartia longiremus copepodite Calanoid Acartia longiremus male Calanoid Acartia sp Calanoid Acartia sp copepodids Calanoid Bradyidius saanichi female Calanoid Bradyidius saanichi general Calanoid Bradyidius saanichi male Calanoid Bradyidius saanichicopepodite Calanoid C abdominalis copepodite Calanoid C abdominalis general Calanoid C marshallae copepodite CV Calanoid C marshallae female Calanoid C marshallae male Calanoid C pacificus copepodite CV Calanoid Calanus Neocalanus copepodids Calanoid Calanus marshallae general Calanoid Calanus pacificus adult Calanoid Calanus pacificus female Calanoid Calanus pacificus general Calanoid Calanus pacificus male Calanoid Calanus sp copepodite Calanoid Calanus sp female Calanoid Calanus sp general Calanoid Candacia columbiae female Calanoid Centropages abdominalisfemale Calanoid Centropages abdominalismale Calanoid Centropages general Calanoid Chiridius gracilis female Calanoid Copepodite small general Calanoid E elongata CIVtoCV female Calanoid E elongata male CV Calanoid E longipedata copepodite Calanoid E longipedata female Calanoid E longipedata general Calanoid E longipedata male Calanoid Eucalanus bungii copepodite Calanoid Eucalanus bungii female Calanoid Eucalanus bungii general Calanoid Eucalanus bungii male Calanoid Euchaeta elongata CV Calanoid Euchaeta elongata female Calanoid Euchaeta elongata general Calanoid Euchaeta elongata male Calanoid Euchirella rostrata female Calanoid Eurytemora pacifica copepodite Calanoid Eurytemora pacifica female Calanoid Eurytemora pacifica general Calanoid Eurytemora pacifica gravid Calanoid Eurytemora pacifica male Calanoid Lucicutia flavicornis Calanoid M ochotensis CV male Calanoid M pacifica CV copepodite Calanoid Mesocalanus tenuicornis copepodite Calanoid Mesocalanus tenuicornis female Calanoid Mesocalanus tenuicornis general Calanoid Metridia ochotensis female Calanoid Metridia ochotensis general Calanoid Metridia pacifica adult Calanoid Metridia pacifica copepodite Calanoid Metridia pacifica female Calanoid Metridia pacifica general Calanoid Metridia pacifica male Calanoid Metridia sp copepodids ItoIV Calanoid Metridia sp female Calanoid Metridia sp general Calanoid Metridia sp general male Calanoid Neocalanus cristatus CV Calanoid Neocalanus cristatus adult Calanoid Neocalanus plumchrus female Calanoid Neocalanus spp CV copepodite Calanoid Neocalanus spp adult Calanoid Pseudocalanus copepodids ItoIV Calanoid Pseudocalanus female Calanoid Pseudocalanus gravid female Calanoid Pseudocalanus male Calanoid Pseudocalanus sp general Calanoid Tortanus discaudatus Calanoid general large xgreaterThan2 5 mm Calanoid general nauplius Calanoid general small xlessThan2 5 mm Calanoid large NOT Neocalanus Calanus Calanoid large Neocalanus Calanus Capelin Smelt Chaetognath Sagitta elegans Chaetognath species unknown Chum Salmon Cladocera General Cladoceran Evadne sp Cladoceran Podon sp Cnidaria Anthozoa anemone Cnidaria Eperetmus typus Cnidaria Halitholus sp Cnidaria Hydrozoa Siphonophore larva Cnidaria Hydrozoa bract Cnidaria Hydrozoa gonophore Cnidaria Hydrozoan general hydroid Cnidaria Hydrozoan medusae general Cnidaria Melicertum sp Cnidaria Phialidium gregarium Cnidaria Proboscidactyla flavicirrata Cnidaria Trachymedusae sp Cnidaria general jellyfish xgreaterThan2mm Cnidaria general jellyfish xlessThan2mm Coho Salmon Copepod Caligidae parasitic copepod Copepod Monstrilla sp Copepod Monstrillid Copepod Oithona egg cases Crescent Gunnel Crested Sculpin Ctenophore general greaterThan2mm Ctenophore general lessThan2mm Ctenophore only ctenes present Cumacea Cyclopoid Corycaeus sp Cyclopoid Oithona copepodite Cyclopoid Oithona similis AF Cyclopoid Oithona similis AM Cyclopoid Oithona similis general Cyclopoid Oithona similis gravid female Cyclopoid Oithona sp general Cyclopoid Oithona spinirostris Cyclopoid Oithona spinirostris female Cyclopoid Oithona spinirostris male Decapod Pandalidae Decapod Shrimp Crangonid general Decapod Shrimp Hippolytid Eualus sp Decapod megalops Brachyura Decapod megalops Cancridae Decapod megalops Lithodidae Decapod megalops Majidae Decapod megalops Paguridae Decapod megalops unknown crab Decapod zoea Anomuran Lithodidae Decapod zoea Brachyura general Decapod zoea Shrimp Crangonidae Decapod zoea Shrimp Hippolytidae Decapod zoea Shrimp Pandalidae Decapod zoea crab Brachyrhyncha Decapod zoea crab Cancridae Decapod zoea crab Oregoninae Decapod zoea crab Pisinae Decapod zoea crab general unknown Decapod zoea general shrimp Decapod zoea hermit crab Paguridae Decapod zoea unknown general DecapodShrimp Hippolytid general DecapodShrimp gen unknown juv adult DecapodShrmpHippo Spirontocaris sp Echinodermata Bipinnaria larvae Echinodermata Brittlestar pluteus Eulachon Smelt Euphausiid E pacifica large Euphausiid E pacifica medium Euphausiid E pacifica small Euphausiid Euphausia pacifica GENERAL Euphausiid T longipes Euphausiid T raschii females Euphausiid T raschii general Euphausiid T raschii males Euphausiid Thysannoessa sp gen adult Euphausiid Thysannoessa sp juvenile Euphausiid Thysanoessa spinifera Euphausiid calyptopis Euphausiid egg Euphausiid furcilia Euphausiid general unknown Euphausiid juvenile general Euphausiid nauplii Fish Ammodytes hexapterus sandlance Fish Larval unidentified Fish Mallotus villosus capelin Fish Scorpaenidae gen rockfish spp Fish egg 1 0 mm Fish elongate larva Fish flatfish larvae Pleuronectiform Fish herring juvenile 41to60mm Fish juvenile general Fish robust larva Fish small juvenile larva general Fish unidentifiable Fish walleye pollock 41to60mm Fish walleye pollock 61to80mm Gadidae unidentified Gastropod Pteropod Limacina helicina A Gastropod Pteropod Limacina helicina J Gastropod egg case Littorina Gastropod general veliger Gastropod juv snail w black pigment Gastropoda Pteropod unidentified Gastropoda Pteropoda Clio sp Gastropoda Pteropoda Clione sp Gastropoda general juvenile SNAIL Gastropoda juv snail in zooplankton Greenling unidentified Harpacticoid Dactylopodia general Harpacticoid Dactylopodia gravid female Harpacticoid Ectinosomatid gravid Harpacticoid Ectinosomatidae Harpacticoid Harpacticus copepodite Harpacticoid Harpacticus female adult Harpacticoid Harpacticus gravid female Harpacticoid Harpacticus male adult Harpacticoid Harpacticus sp general ad Harpacticoid Harpacticus uniremis Harpacticoid Harpacticus unknown stage Harpacticoid Laophontidae adult Harpacticoid Laophontidae copepodite Harpacticoid Tisbe copepodite Harpacticoid Tisbe sp adult Harpacticoid Tisbe sp gravid female Harpacticoid Tisbe sp stage unknown Harpacticoid Zaus copepodite Harpacticoid Zaus gravid female Harpacticoid Zaus sp general Harpacticoid general adult Harpacticoid general clasping pair Harpacticoid general copepodite Harpacticoid general eggsac Harpacticoid general gravid eggs Harpacticoid general nauplius Harpacticoid general unknown stage Insect Chironomidae larva naiad Insect Chironomidae pupa Insect Collembola elongate purple Insect Collembola globular pink Insect Collembola globular purple Insect Dipteran adult Insect Dipteran larvae Insect Dipteran pupae Insect general Insect larva unknown Insect pupa unknown Insect unknown large Isopod Epicarid Cryptoniscid larva Isopod Gnorimosphaeroma species Isopod general Kelp Greenling Lanternfish unidentified Larvacea Oikopleura dioica Larvacea Oikopleura greaterThan 2mm IMS Larvacea Oikopleura lessThan 2mm IMS Larvacea Oikopleura sp Larvacea general Lingcod Greenling Malacostraca Malacostraca eyes only Mysidae general adult stage 6 Mysidae general stage unknown MysidaePacifacanthomysis nephrophthalma Mytiloida Musculus sp Mytiloida Musculus vernicosus Nematode Ostracod Conchoecia sp small Ostracod general unknown Pacific Cod Pacific Herring Pacific Sandfish Pacific Sandlance Pacific Tomcod Pink Salmon Pleurocercoid larvae proho cephalus Polychaeta Autolytus sp gravid Female Polychaeta Nereidae Polychaeta Pectinariidae Polychaeta Tomopteris sp Polychaeta adult Polychaeta general juvenile Polychaeta trochophore larva Polychaeta unknown large Prowfish Rock Greenling Sablefish Sculpin unidentified Snailfish unidentified Sockeye Salmon Thaliacea Salpida unknown Threespine Stickleback Tube Snout Unidentified item Unknown egg mass Unknown invertebrate egg large greaterThan0 2mm Unknown invertebrate egg small lessThan0 2mm Unknown nauplius Unknown worm shaped trematode Walleye Pollock White granular matter Whitespotted Greenling Dataset dataone:urn:node:GOA 2024-06-03T18:06:12Z The Forage Fish Diet Overlap component of the Alaska Predator Ecosystem Experiment (APEX) investigated the trophic interactions of forage fish prey of seabird populations which were impacted during the Exxon Valdez oil spill. We analyzed more than 5000 specimens of 14 forage species, and zooplankton and epibenthic prey samples from Prince William Sound (PWS), 1994-96. Forage fish were collected monthly in western PWS with purse seines in 1994 and in three regions of PWS (southwestern, central and northeastern) with a mid-water trawl in 1995 (summer and autumn) and with a beach seine in 1996 (summer). The species examined were mainly young-of-the-year (YOY) and age 1 walleye pollock (Theragra chalcogramma), Pacific herring (Clupeu pallasi), Pacific sandlance (Ammodytes hexapterus), pink salmon (Oncorhynchus gorbuscha), chum salmon (O. keta), sockeye salmon (O. nerka), Pacific cod (Gadus macrocephalus), Pacific tomcod (Microgadus proximus), prowfish (Zaprora silenus), northern smoothtongue (Leuroglossus schmidti), eulachon (Thaleichthys pacificus), capelin (Mallotus villosus), threespine stickleback (Gasterosteus aculeatus), and Pacific sandfish (Trichodon trichodon). We compared seasonal size, diet composition and diet overlap between species from May-November, 1994; described the diets, prey fields and prey selection of juvenile pollock and herring in summer and autumn, 1995 and of juvenile herring, sandlance and pink salmon in summer, 1996; examined for prey shifts and feeding declines when the 1995-96 fish occurred in multi-species aggregations (sympatrically) compared to when they occurred in single species aggregations (allopatrically) to test for competition; and compared diet composition interannually for several species in July of the three years. Publications: Purcell, J. E. and M. V. Sturdevant. 2001. Prey selection and dietary overlap among zooplanktivorous jellyfish and juvenile fishes in Prince William Sound, Alaska. Marine Ecology Progress Series 210:67-83. Sturdevant, M. V., T. M. Willette, S. C. Jewett, E. Debevec, L. B. Hulbert, and A. L. J. Brase. 1999. Forage fish diet overlap, 1994-1996. Exxon Valdez Oil Spill Restoration Project Final Report. Restoration Project 97163C, 3 chapters: 103 pages+ figures and tables. EVOS Trustee Council, Anchorage, AK. Available at: http://www.arlis.org/ Sturdevant, M. V., T. M. Willette, S. C. Jewett, E. Debevec, L. B. Hulbert, and A. L. J. Brase. 1999. Diet composition, diet overlap, and size of 14 species of forage fish collected monthly in Prince William Sound, Alaska, 1994-1996. Pgs. 10-37 (Chapter 1) in M. V. Sturdevant et al. (ed.). Forage fish diet overlap, 1994-1996. Exxon Valdez Oil Spill Restoration Project Final Report, Restoration Project 97163C, 103 pages+ figures and tables. EVOS Trustee Council, Anchorage, AK. Available at: http://www.arlis.org/ Sturdevant, M. V., A. L. J. Brase, and L. B. Hulbert. 1999. Feeding, prey fields, and potential competition of young-of-the-year walleye pollock (Theragra chalcogramma) and Pacific herring (Clupea pallasi) in Prince William Sound, Alaska in summer and autumn. Pgs. 38-71 (Chapter 2) in M. V. Sturdevant et al. (ed.). Forage fish diet overlap, 1994-1996. Exxon Valdez Oil Spill Restoration Project Final Report, Restoration Project 97163C, 103 pages+ figures and tables. EVOS Trustee Council, Anchorage, AK. Available at: http://www.arlis.org/ Sturdevant, M. V. B., A.L.J./ Brase, and L. B. Hulbert. 1999. Diet overlap, prey selection, and potential food competition among allopatric and sympatric forage fish species in Prince William Sound, 1996. Pgs. 72-100 (Chapter 3) in M. V. Sturdevant et al. (ed.). Forage fish diet overlap, 1994-1996. Exxon Valdez Oil Spill Restoration Project Final Report, Restoration Project 97163C, 103 pages+ figures and tables. EVOS Trustee Council, Anchorage, AK. Available at: http://www.arlis.org/ Sturdevant, M. V. 2001. Summer zooplankton abundance and composition estimates from 20-m vertical hauls in Prince William Sound, Alaska, using three net meshes. Alaska Fishery Research Bulletin 8:96-106. Sturdevant, M. V., A. L. J. Brase, and L. B. Hulbert. 2001. Feeding habits, prey fields, and potential competition of young-of-the-year walleye pollock (Theragra chalcogramma) and Pacific herring (Clupea pallasi) in Prince William Sound, Alaska, 1994-1995. Fishery Bulletin 99:482-501. Dataset Limacina helicina Oncorhynchus gorbuscha Pink salmon Theragra chalcogramma Alaska Harpacticus Mite Gulf of Alaska Data Portal (via DataONE) Anchorage Pacific Sockeye ENVELOPE(-130.143,-130.143,54.160,54.160) Keta ENVELOPE(-19.455,-19.455,65.656,65.656) Gunnel ENVELOPE(-67.533,-67.533,-67.100,-67.100) Juv ENVELOPE(20.153,20.153,69.428,69.428) Jassa ENVELOPE(16.261,16.261,67.903,67.903) ENVELOPE(-148.5,-145.875,61.125,59.875) |