Mesozooplankton grazing in the coastal Gulf of Alaska: Neocalanus spp. vs. other mesozooplankton
Three species of large calanoid copepod, Neocalanus flemingeri, Neocalanus plumchrus, and Neocalanus cristatus, dominate the spring biomass of mesozooplankton in the Subarctic Pacific. We compared the grazing impact of Neocalonus species on phytoplankton with grazing by the remainder of the mesozoop...
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ftunivsthongkong:oai:repository.ust.hk:1783.1-23279 2023-05-15T18:28:35+02:00 Mesozooplankton grazing in the coastal Gulf of Alaska: Neocalanus spp. vs. other mesozooplankton Liu, Hongbin Dagg, Michael J. Napp, Jeffrey M. Sato, Riki 2008 http://repository.ust.hk/ir/Record/1783.1-23279 https://doi.org/10.1093/icesjms/fsm175 http://lbdiscover.ust.hk/uresolver?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rfr_id=info:sid/HKUST:SPI&rft.genre=article&rft.issn=1054-3139&rft.volume=65&rft.issue=3&rft.date=2008&rft.spage=351&rft.epage=360&rft.aulast=Liu&rft.aufirst=Hongbin&rft.atitle=Mesozooplankton+grazing+in+the+coastal+Gulf+of+Alaska:+Neocalanus+spp.+vs.+other+mesozooplankton http://gateway.isiknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=LinksAMR&SrcApp=PARTNER_APP&DestLinkType=FullRecord&DestApp=WOS&KeyUT=000256130200010 http://www.scopus.com/record/display.url?eid=2-s2.0-44649100114&origin=inward English eng http://repository.ust.hk/ir/Record/1783.1-23279 ICES journal of marine science, v. 65, (3), 2008, APR, p. 351-360 1054-3139 https://doi.org/10.1093/icesjms/fsm175 http://lbdiscover.ust.hk/uresolver?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rfr_id=info:sid/HKUST:SPI&rft.genre=article&rft.issn=1054-3139&rft.volume=65&rft.issue=3&rft.date=2008&rft.spage=351&rft.epage=360&rft.aulast=Liu&rft.aufirst=Hongbin&rft.atitle=Mesozooplankton+grazing+in+the+coastal+Gulf+of+Alaska:+Neocalanus+spp.+vs.+other+mesozooplankton http://gateway.isiknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=LinksAMR&SrcApp=PARTNER_APP&DestLinkType=FullRecord&DestApp=WOS&KeyUT=000256130200010 http://www.scopus.com/record/display.url?eid=2-s2.0-44649100114&origin=inward Grazing Gulf of Alaska Mesozooplankton Neocalonus Phytoplankton Neocalanus Article 2008 ftunivsthongkong https://doi.org/10.1093/icesjms/fsm175 2019-09-03T17:55:53Z Three species of large calanoid copepod, Neocalanus flemingeri, Neocalanus plumchrus, and Neocalanus cristatus, dominate the spring biomass of mesozooplankton in the Subarctic Pacific. We compared the grazing impact of Neocalonus species on phytoplankton with grazing by the remainder of the mesozooplankton community in the coastal and shelf waters of the Gulf of Alaska during spring and summer 2003. Neocalanus spp. and other mesozooplankton fed mainly on particles >20 mu m, and phytoplankton in the smaller size-fractions (<20 mu m) increased in the presence of mesozooplankton, possibly because of a trophic cascade resulting from mesozooplankton consumption of microzooplankton. Neocalanus spp. accounted for most of the mesozooplankton biomass and herbivory in the shelf water of the Gulf of Alaska and in the Prince William Sound (PWS) during April/May. The biomass of other mesozooplankton (mostly small copepods) varied seasonally and spatially; it did not increase in summer after the descent of Neocalanus spp. from the surface layer. On the basis of the clearance rates obtained from our experiments, in spring, grazing by Neocolanus spp. and the remaining mesozooplankton consumed similar to 10\% of daily growth of phytoplankton >20 pm in the outer-shelf region, where chlorophyll a concentrations were <0.5 mg m(-3), and in PWS. Mesozooplankton consumed a smaller percentage of the >20 mu m daily phytoplankton production in the inner- and mid-shelf regions where chlorophyll a concentrations were typically >5 mg m(-3) with blooms of large diatoms. In summer, without Neocolonus spp. in the surface layer, mesozooplankton grazing accounted for a very small proportion of phytoplankton production across the whole shelf. Article in Journal/Newspaper Subarctic Alaska Copepods The Hong Kong University of Science and Technology: HKUST Institutional Repository Gulf of Alaska Pacific ICES Journal of Marine Science 65 3 351 360 |
institution |
Open Polar |
collection |
The Hong Kong University of Science and Technology: HKUST Institutional Repository |
op_collection_id |
ftunivsthongkong |
language |
English |
topic |
Grazing Gulf of Alaska Mesozooplankton Neocalonus Phytoplankton Neocalanus |
spellingShingle |
Grazing Gulf of Alaska Mesozooplankton Neocalonus Phytoplankton Neocalanus Liu, Hongbin Dagg, Michael J. Napp, Jeffrey M. Sato, Riki Mesozooplankton grazing in the coastal Gulf of Alaska: Neocalanus spp. vs. other mesozooplankton |
topic_facet |
Grazing Gulf of Alaska Mesozooplankton Neocalonus Phytoplankton Neocalanus |
description |
Three species of large calanoid copepod, Neocalanus flemingeri, Neocalanus plumchrus, and Neocalanus cristatus, dominate the spring biomass of mesozooplankton in the Subarctic Pacific. We compared the grazing impact of Neocalonus species on phytoplankton with grazing by the remainder of the mesozooplankton community in the coastal and shelf waters of the Gulf of Alaska during spring and summer 2003. Neocalanus spp. and other mesozooplankton fed mainly on particles >20 mu m, and phytoplankton in the smaller size-fractions (<20 mu m) increased in the presence of mesozooplankton, possibly because of a trophic cascade resulting from mesozooplankton consumption of microzooplankton. Neocalanus spp. accounted for most of the mesozooplankton biomass and herbivory in the shelf water of the Gulf of Alaska and in the Prince William Sound (PWS) during April/May. The biomass of other mesozooplankton (mostly small copepods) varied seasonally and spatially; it did not increase in summer after the descent of Neocalanus spp. from the surface layer. On the basis of the clearance rates obtained from our experiments, in spring, grazing by Neocolanus spp. and the remaining mesozooplankton consumed similar to 10\% of daily growth of phytoplankton >20 pm in the outer-shelf region, where chlorophyll a concentrations were <0.5 mg m(-3), and in PWS. Mesozooplankton consumed a smaller percentage of the >20 mu m daily phytoplankton production in the inner- and mid-shelf regions where chlorophyll a concentrations were typically >5 mg m(-3) with blooms of large diatoms. In summer, without Neocolonus spp. in the surface layer, mesozooplankton grazing accounted for a very small proportion of phytoplankton production across the whole shelf. |
format |
Article in Journal/Newspaper |
author |
Liu, Hongbin Dagg, Michael J. Napp, Jeffrey M. Sato, Riki |
author_facet |
Liu, Hongbin Dagg, Michael J. Napp, Jeffrey M. Sato, Riki |
author_sort |
Liu, Hongbin |
title |
Mesozooplankton grazing in the coastal Gulf of Alaska: Neocalanus spp. vs. other mesozooplankton |
title_short |
Mesozooplankton grazing in the coastal Gulf of Alaska: Neocalanus spp. vs. other mesozooplankton |
title_full |
Mesozooplankton grazing in the coastal Gulf of Alaska: Neocalanus spp. vs. other mesozooplankton |
title_fullStr |
Mesozooplankton grazing in the coastal Gulf of Alaska: Neocalanus spp. vs. other mesozooplankton |
title_full_unstemmed |
Mesozooplankton grazing in the coastal Gulf of Alaska: Neocalanus spp. vs. other mesozooplankton |
title_sort |
mesozooplankton grazing in the coastal gulf of alaska: neocalanus spp. vs. other mesozooplankton |
publishDate |
2008 |
url |
http://repository.ust.hk/ir/Record/1783.1-23279 https://doi.org/10.1093/icesjms/fsm175 http://lbdiscover.ust.hk/uresolver?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rfr_id=info:sid/HKUST:SPI&rft.genre=article&rft.issn=1054-3139&rft.volume=65&rft.issue=3&rft.date=2008&rft.spage=351&rft.epage=360&rft.aulast=Liu&rft.aufirst=Hongbin&rft.atitle=Mesozooplankton+grazing+in+the+coastal+Gulf+of+Alaska:+Neocalanus+spp.+vs.+other+mesozooplankton http://gateway.isiknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=LinksAMR&SrcApp=PARTNER_APP&DestLinkType=FullRecord&DestApp=WOS&KeyUT=000256130200010 http://www.scopus.com/record/display.url?eid=2-s2.0-44649100114&origin=inward |
geographic |
Gulf of Alaska Pacific |
geographic_facet |
Gulf of Alaska Pacific |
genre |
Subarctic Alaska Copepods |
genre_facet |
Subarctic Alaska Copepods |
op_relation |
http://repository.ust.hk/ir/Record/1783.1-23279 ICES journal of marine science, v. 65, (3), 2008, APR, p. 351-360 1054-3139 https://doi.org/10.1093/icesjms/fsm175 http://lbdiscover.ust.hk/uresolver?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rfr_id=info:sid/HKUST:SPI&rft.genre=article&rft.issn=1054-3139&rft.volume=65&rft.issue=3&rft.date=2008&rft.spage=351&rft.epage=360&rft.aulast=Liu&rft.aufirst=Hongbin&rft.atitle=Mesozooplankton+grazing+in+the+coastal+Gulf+of+Alaska:+Neocalanus+spp.+vs.+other+mesozooplankton http://gateway.isiknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=LinksAMR&SrcApp=PARTNER_APP&DestLinkType=FullRecord&DestApp=WOS&KeyUT=000256130200010 http://www.scopus.com/record/display.url?eid=2-s2.0-44649100114&origin=inward |
op_doi |
https://doi.org/10.1093/icesjms/fsm175 |
container_title |
ICES Journal of Marine Science |
container_volume |
65 |
container_issue |
3 |
container_start_page |
351 |
op_container_end_page |
360 |
_version_ |
1766211109848612864 |