Global-scale environmental niche and habitat of blue shark (Prionace glauca) by size and sex: a pivotal step to improving stock management
Blue shark (Prionace glauca) is amongst the most abundant shark species in international trade, however this highly migratory species has little effective management and the need for spatio-temporal strategies increases, possibly involving the most vulnerable stage or sex classes. We combined 265,59...
Published in: | Frontiers in Marine Science |
---|---|
Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
Frontiers Media SA
2022
|
Subjects: | |
Online Access: | http://hdl.handle.net/10400.1/18799 https://doi.org/10.3389/fmars.2022.828412 |
id |
ftunivalgarve:oai:sapientia.ualg.pt:10400.1/18799 |
---|---|
record_format |
openpolar |
spelling |
ftunivalgarve:oai:sapientia.ualg.pt:10400.1/18799 2023-05-15T17:36:25+02:00 Global-scale environmental niche and habitat of blue shark (Prionace glauca) by size and sex: a pivotal step to improving stock management Druon, Jean-Noël Campana, Steven Vandeperre, Frederic Hazin, Fábio H. V. Bowlby, Heather Coelho, Rui Queiroz, Nuno Serena, Fabrizio Abascal, Francisco Damalas, Dimitrios Musyl, Michael Lopez, Jon Block, Barbara Afonso, Pedro Dewar, Heidi Sabarros, Philippe S. Finucci, Brittany Zanzi, Antonella Bach, Pascal Senina, Inna Garibaldi, Fulvio Sims, David W. Navarro, Joan Cermeño, Pablo Leone, Agostino Diez, Guzmán Zapiain, María Teresa Carreón Deflorio, Michele Romanov, Evgeny V. Jung, Armelle Lapinski, Matthieu Francis, Malcolm P. Hazin, Humberto Travassos, Paulo 2022 http://hdl.handle.net/10400.1/18799 https://doi.org/10.3389/fmars.2022.828412 eng eng Frontiers Media SA http://hdl.handle.net/10400.1/18799 doi:10.3389/fmars.2022.828412 2296-7745 openAccess http://creativecommons.org/licenses/by/4.0/ CC-BY Foraging habitat Habitat niche Chlorophyll-a gradient Marine productivity Mesotrophic Oligotrophic Mesopelagic micronekton Water temperature article 2022 ftunivalgarve https://doi.org/10.3389/fmars.2022.828412 2023-01-18T01:02:14Z Blue shark (Prionace glauca) is amongst the most abundant shark species in international trade, however this highly migratory species has little effective management and the need for spatio-temporal strategies increases, possibly involving the most vulnerable stage or sex classes. We combined 265,595 blue shark observations (capture or satellite tag) with environmental data to present the first global-scale analysis of species' habitat preferences for five size and sex classes (small juveniles, large juvenile males and females, adult males and females). We leveraged the understanding of blue shark biotic environmental associations to develop two indicators of foraging location: productivity fronts in mesotrophic areas and mesopelagic micronekton in oligotrophic environments. Temperature (at surface and mixed layer depth plus 100 m) and sea surface height anomaly were used to exclude unsuitable abiotic environments. To capture the horizontal and vertical extent of thermal habitat for the blue shark, we defined the temperature niche relative to both sea surface temperature (SST) and the temperature 100 m below the mixed layer depth (Tmld+100). We show that the lifetime foraging niche incorporates highly diverse biotic and abiotic conditions: the blue shark tends to shift from mesotrophic and temperate surface waters during juvenile stages to more oligotrophic and warm surface waters for adults. However, low productivity limits all classes of blue shark habitat in the tropical western North Atlantic, and both low productivity and warm temperatures limit habitat in most of the equatorial Indian Ocean (except for the adult males) and tropical eastern Pacific. Large females tend to have greater habitat overlap with small juveniles than large males, more defined by temperature than productivity preferences. In particular, large juvenile females tend to extend their range into higher latitudes than large males, likely due to greater tolerance to relatively cold waters. Large juvenile and adult females also seem to avoid ... Article in Journal/Newspaper North Atlantic Universidade do Algarve: Sapienta Indian Pacific Frontiers in Marine Science 9 |
institution |
Open Polar |
collection |
Universidade do Algarve: Sapienta |
op_collection_id |
ftunivalgarve |
language |
English |
topic |
Foraging habitat Habitat niche Chlorophyll-a gradient Marine productivity Mesotrophic Oligotrophic Mesopelagic micronekton Water temperature |
spellingShingle |
Foraging habitat Habitat niche Chlorophyll-a gradient Marine productivity Mesotrophic Oligotrophic Mesopelagic micronekton Water temperature Druon, Jean-Noël Campana, Steven Vandeperre, Frederic Hazin, Fábio H. V. Bowlby, Heather Coelho, Rui Queiroz, Nuno Serena, Fabrizio Abascal, Francisco Damalas, Dimitrios Musyl, Michael Lopez, Jon Block, Barbara Afonso, Pedro Dewar, Heidi Sabarros, Philippe S. Finucci, Brittany Zanzi, Antonella Bach, Pascal Senina, Inna Garibaldi, Fulvio Sims, David W. Navarro, Joan Cermeño, Pablo Leone, Agostino Diez, Guzmán Zapiain, María Teresa Carreón Deflorio, Michele Romanov, Evgeny V. Jung, Armelle Lapinski, Matthieu Francis, Malcolm P. Hazin, Humberto Travassos, Paulo Global-scale environmental niche and habitat of blue shark (Prionace glauca) by size and sex: a pivotal step to improving stock management |
topic_facet |
Foraging habitat Habitat niche Chlorophyll-a gradient Marine productivity Mesotrophic Oligotrophic Mesopelagic micronekton Water temperature |
description |
Blue shark (Prionace glauca) is amongst the most abundant shark species in international trade, however this highly migratory species has little effective management and the need for spatio-temporal strategies increases, possibly involving the most vulnerable stage or sex classes. We combined 265,595 blue shark observations (capture or satellite tag) with environmental data to present the first global-scale analysis of species' habitat preferences for five size and sex classes (small juveniles, large juvenile males and females, adult males and females). We leveraged the understanding of blue shark biotic environmental associations to develop two indicators of foraging location: productivity fronts in mesotrophic areas and mesopelagic micronekton in oligotrophic environments. Temperature (at surface and mixed layer depth plus 100 m) and sea surface height anomaly were used to exclude unsuitable abiotic environments. To capture the horizontal and vertical extent of thermal habitat for the blue shark, we defined the temperature niche relative to both sea surface temperature (SST) and the temperature 100 m below the mixed layer depth (Tmld+100). We show that the lifetime foraging niche incorporates highly diverse biotic and abiotic conditions: the blue shark tends to shift from mesotrophic and temperate surface waters during juvenile stages to more oligotrophic and warm surface waters for adults. However, low productivity limits all classes of blue shark habitat in the tropical western North Atlantic, and both low productivity and warm temperatures limit habitat in most of the equatorial Indian Ocean (except for the adult males) and tropical eastern Pacific. Large females tend to have greater habitat overlap with small juveniles than large males, more defined by temperature than productivity preferences. In particular, large juvenile females tend to extend their range into higher latitudes than large males, likely due to greater tolerance to relatively cold waters. Large juvenile and adult females also seem to avoid ... |
format |
Article in Journal/Newspaper |
author |
Druon, Jean-Noël Campana, Steven Vandeperre, Frederic Hazin, Fábio H. V. Bowlby, Heather Coelho, Rui Queiroz, Nuno Serena, Fabrizio Abascal, Francisco Damalas, Dimitrios Musyl, Michael Lopez, Jon Block, Barbara Afonso, Pedro Dewar, Heidi Sabarros, Philippe S. Finucci, Brittany Zanzi, Antonella Bach, Pascal Senina, Inna Garibaldi, Fulvio Sims, David W. Navarro, Joan Cermeño, Pablo Leone, Agostino Diez, Guzmán Zapiain, María Teresa Carreón Deflorio, Michele Romanov, Evgeny V. Jung, Armelle Lapinski, Matthieu Francis, Malcolm P. Hazin, Humberto Travassos, Paulo |
author_facet |
Druon, Jean-Noël Campana, Steven Vandeperre, Frederic Hazin, Fábio H. V. Bowlby, Heather Coelho, Rui Queiroz, Nuno Serena, Fabrizio Abascal, Francisco Damalas, Dimitrios Musyl, Michael Lopez, Jon Block, Barbara Afonso, Pedro Dewar, Heidi Sabarros, Philippe S. Finucci, Brittany Zanzi, Antonella Bach, Pascal Senina, Inna Garibaldi, Fulvio Sims, David W. Navarro, Joan Cermeño, Pablo Leone, Agostino Diez, Guzmán Zapiain, María Teresa Carreón Deflorio, Michele Romanov, Evgeny V. Jung, Armelle Lapinski, Matthieu Francis, Malcolm P. Hazin, Humberto Travassos, Paulo |
author_sort |
Druon, Jean-Noël |
title |
Global-scale environmental niche and habitat of blue shark (Prionace glauca) by size and sex: a pivotal step to improving stock management |
title_short |
Global-scale environmental niche and habitat of blue shark (Prionace glauca) by size and sex: a pivotal step to improving stock management |
title_full |
Global-scale environmental niche and habitat of blue shark (Prionace glauca) by size and sex: a pivotal step to improving stock management |
title_fullStr |
Global-scale environmental niche and habitat of blue shark (Prionace glauca) by size and sex: a pivotal step to improving stock management |
title_full_unstemmed |
Global-scale environmental niche and habitat of blue shark (Prionace glauca) by size and sex: a pivotal step to improving stock management |
title_sort |
global-scale environmental niche and habitat of blue shark (prionace glauca) by size and sex: a pivotal step to improving stock management |
publisher |
Frontiers Media SA |
publishDate |
2022 |
url |
http://hdl.handle.net/10400.1/18799 https://doi.org/10.3389/fmars.2022.828412 |
geographic |
Indian Pacific |
geographic_facet |
Indian Pacific |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_relation |
http://hdl.handle.net/10400.1/18799 doi:10.3389/fmars.2022.828412 2296-7745 |
op_rights |
openAccess http://creativecommons.org/licenses/by/4.0/ |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.3389/fmars.2022.828412 |
container_title |
Frontiers in Marine Science |
container_volume |
9 |
_version_ |
1766135898303365120 |