Relationships of sea ice extent and bottom water temperature with abundance of snow crab (Chionoecetes opilio) on the Newfoundland - Labrador Shelf ...
No abstracts are to be cited without prior reference to the author.It is widely believed that recent increases in crustacean resources, including snow crab, in Atlantic Canada are due to reduced predation (top-down effects). We advance an alternative hypothesis that snow crab production and early su...
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ASC 2008 - Theme session B
2024
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Online Access: | https://dx.doi.org/10.17895/ices.pub.25243474 https://ices-library.figshare.com/articles/conference_contribution/Relationships_of_sea_ice_extent_and_bottom_water_temperature_with_abundance_of_snow_crab_Chionoecetes_opilio_on_the_Newfoundland_-_Labrador_Shelf/25243474 |
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ftdatacite:10.17895/ices.pub.25243474 2024-03-31T07:51:04+00:00 Relationships of sea ice extent and bottom water temperature with abundance of snow crab (Chionoecetes opilio) on the Newfoundland - Labrador Shelf ... Dawe, Earl G. Parsons, Donald G. Colbourne, Eugene B. 2024 https://dx.doi.org/10.17895/ices.pub.25243474 https://ices-library.figshare.com/articles/conference_contribution/Relationships_of_sea_ice_extent_and_bottom_water_temperature_with_abundance_of_snow_crab_Chionoecetes_opilio_on_the_Newfoundland_-_Labrador_Shelf/25243474 unknown ASC 2008 - Theme session B https://ices-library.figshare.com/ICES-ASC-2008/groups ICES Custom Licence https://www.ices.dk/Pages/library_policies.aspx Arctic Sea FAO area 18 Ecosystem observation, processes and dynamics Conference contribution article CreativeWork Other 2024 ftdatacite https://doi.org/10.17895/ices.pub.25243474 2024-03-04T14:11:39Z No abstracts are to be cited without prior reference to the author.It is widely believed that recent increases in crustacean resources, including snow crab, in Atlantic Canada are due to reduced predation (top-down effects). We advance an alternative hypothesis that snow crab production and early survival are regulated primarily by effects of ocean climate variation (bottom up effects) during early life history. We address this hypothesis by using time series analysis to establish relationships between recruitment indices and ocean climate indices at various time lags. We selected two indices of ocean climate variation, one to represent effects on epipelagic larval stages (ice coverage) and another to represent effects on early benthic stages (bottom temperature). Using catch per unit effort (CPUE) from the commercial snow crab fishery as our index of snow crab abundance we applied an autoregressive, integrated moving average (ARIMA) procedure with environmental input (transfer function) to explore ... Conference Object Arctic Chionoecetes opilio Newfoundland Sea ice Snow crab DataCite Metadata Store (German National Library of Science and Technology) Arctic Canada Labrador Shelf ENVELOPE(-58.000,-58.000,56.000,56.000) Newfoundland |
institution |
Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
ftdatacite |
language |
unknown |
topic |
Arctic Sea FAO area 18 Ecosystem observation, processes and dynamics |
spellingShingle |
Arctic Sea FAO area 18 Ecosystem observation, processes and dynamics Dawe, Earl G. Parsons, Donald G. Colbourne, Eugene B. Relationships of sea ice extent and bottom water temperature with abundance of snow crab (Chionoecetes opilio) on the Newfoundland - Labrador Shelf ... |
topic_facet |
Arctic Sea FAO area 18 Ecosystem observation, processes and dynamics |
description |
No abstracts are to be cited without prior reference to the author.It is widely believed that recent increases in crustacean resources, including snow crab, in Atlantic Canada are due to reduced predation (top-down effects). We advance an alternative hypothesis that snow crab production and early survival are regulated primarily by effects of ocean climate variation (bottom up effects) during early life history. We address this hypothesis by using time series analysis to establish relationships between recruitment indices and ocean climate indices at various time lags. We selected two indices of ocean climate variation, one to represent effects on epipelagic larval stages (ice coverage) and another to represent effects on early benthic stages (bottom temperature). Using catch per unit effort (CPUE) from the commercial snow crab fishery as our index of snow crab abundance we applied an autoregressive, integrated moving average (ARIMA) procedure with environmental input (transfer function) to explore ... |
format |
Conference Object |
author |
Dawe, Earl G. Parsons, Donald G. Colbourne, Eugene B. |
author_facet |
Dawe, Earl G. Parsons, Donald G. Colbourne, Eugene B. |
author_sort |
Dawe, Earl G. |
title |
Relationships of sea ice extent and bottom water temperature with abundance of snow crab (Chionoecetes opilio) on the Newfoundland - Labrador Shelf ... |
title_short |
Relationships of sea ice extent and bottom water temperature with abundance of snow crab (Chionoecetes opilio) on the Newfoundland - Labrador Shelf ... |
title_full |
Relationships of sea ice extent and bottom water temperature with abundance of snow crab (Chionoecetes opilio) on the Newfoundland - Labrador Shelf ... |
title_fullStr |
Relationships of sea ice extent and bottom water temperature with abundance of snow crab (Chionoecetes opilio) on the Newfoundland - Labrador Shelf ... |
title_full_unstemmed |
Relationships of sea ice extent and bottom water temperature with abundance of snow crab (Chionoecetes opilio) on the Newfoundland - Labrador Shelf ... |
title_sort |
relationships of sea ice extent and bottom water temperature with abundance of snow crab (chionoecetes opilio) on the newfoundland - labrador shelf ... |
publisher |
ASC 2008 - Theme session B |
publishDate |
2024 |
url |
https://dx.doi.org/10.17895/ices.pub.25243474 https://ices-library.figshare.com/articles/conference_contribution/Relationships_of_sea_ice_extent_and_bottom_water_temperature_with_abundance_of_snow_crab_Chionoecetes_opilio_on_the_Newfoundland_-_Labrador_Shelf/25243474 |
long_lat |
ENVELOPE(-58.000,-58.000,56.000,56.000) |
geographic |
Arctic Canada Labrador Shelf Newfoundland |
geographic_facet |
Arctic Canada Labrador Shelf Newfoundland |
genre |
Arctic Chionoecetes opilio Newfoundland Sea ice Snow crab |
genre_facet |
Arctic Chionoecetes opilio Newfoundland Sea ice Snow crab |
op_relation |
https://ices-library.figshare.com/ICES-ASC-2008/groups |
op_rights |
ICES Custom Licence https://www.ices.dk/Pages/library_policies.aspx |
op_doi |
https://doi.org/10.17895/ices.pub.25243474 |
_version_ |
1795029605109727232 |