The effect of vertical migration strategy on retention and dispersion in the Irish Sea during spring-summer
A biophysical model of the Irish Sea was produced to predict net horizontal movement of key taxa including small copepods (Acartia, Pseudocalanus), large copepod species (Calanus finmarchicus and C. helgolandicus), the euphausiid Meganyctiphanes norvegica, and the larval stages of commercially impor...
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2005
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ftuhipublicatio:oai:pure.atira.dk:publications/f36c1c2b-3b66-4537-bdbe-e773ea893c3a 2024-02-04T09:59:23+01:00 The effect of vertical migration strategy on retention and dispersion in the Irish Sea during spring-summer Emsley, Stephen Tarling, Geraint A Burrows, Michael 2005 https://pure.uhi.ac.uk/en/publications/f36c1c2b-3b66-4537-bdbe-e773ea893c3a https://doi.org/10.1111/j.1365-2419.2005.00327.x eng eng info:eu-repo/semantics/restrictedAccess Emsley , S , Tarling , G A & Burrows , M 2005 , ' The effect of vertical migration strategy on retention and dispersion in the Irish Sea during spring-summer ' , FISH OCEANOGR , vol. 14 , no. 3 , pp. 161-174 . https://doi.org/10.1111/j.1365-2419.2005.00327.x PHYTOPLANKTON PRODUCTION NEPHROPS-NORVEGICUS L JUVENILE FISH SHELF SEAS Fisheries COPEPOD Oceanography GYRE CALANUS-FINMARCHICUS CIRCULATION ZOOPLANKTON LARVAE article 2005 ftuhipublicatio https://doi.org/10.1111/j.1365-2419.2005.00327.x 2024-01-11T23:20:49Z A biophysical model of the Irish Sea was produced to predict net horizontal movement of key taxa including small copepods (Acartia, Pseudocalanus), large copepod species (Calanus finmarchicus and C. helgolandicus), the euphausiid Meganyctiphanes norvegica, and the larval stages of commercially important fish and Nephrops. The model coupled biological information on the vertical distribution and diel vertical migration (DVM) of these taxa with temporally resolved flow fields generated by a baroclinic hydrodynamic model. The DVM of Calanus spp. and Meganyctiphanes was parameterized empirically from data provided by a biophysical campaign carried out in the nearby Clyde Sea. Small copepods and larvae remained within the layers above the thermocline. Model organisms, programmed with particular behavioural patterns, were spaced at regular intervals (1/20 degrees longitude x 1/30 degrees latitude) in the model grid, which extended from 53 to 54.5 degrees N and 4.5 to 6.4 degrees W. The model was run over the months of April, May and June. Model simulations showed that the movement of model organisms followed one of four characteristic patterns: containment along the coast, advection to the north or south, stagnation in the centre of the gyre or circulation around the periphery of the gyre. The latter pattern was apparent even in April, when gyral circulation was not expected because of a lack of stratification in the water column. Thirty-day model runs in April, May and June showed that the number of organisms retained within the model grid varied between 23 and 49%. Those seeded close to the Irish coast had the highest probability of being retained within the model grid at the end of 90 days. DVM increased the probability of retention through improving the chances of organisms becoming entrained within the gyre circulation. This was especially true for Calanus spp., with those performing midnight sinking being the most likely to be retained out of any model organism. Meganyctiphanes showed comparatively lower levels ... Article in Journal/Newspaper Calanus finmarchicus Meganyctiphanes norvegica Copepods University of the Highlands and Islands: Research Database of UHI Fisheries Oceanography 14 3 161 174 |
institution |
Open Polar |
collection |
University of the Highlands and Islands: Research Database of UHI |
op_collection_id |
ftuhipublicatio |
language |
English |
topic |
PHYTOPLANKTON PRODUCTION NEPHROPS-NORVEGICUS L JUVENILE FISH SHELF SEAS Fisheries COPEPOD Oceanography GYRE CALANUS-FINMARCHICUS CIRCULATION ZOOPLANKTON LARVAE |
spellingShingle |
PHYTOPLANKTON PRODUCTION NEPHROPS-NORVEGICUS L JUVENILE FISH SHELF SEAS Fisheries COPEPOD Oceanography GYRE CALANUS-FINMARCHICUS CIRCULATION ZOOPLANKTON LARVAE Emsley, Stephen Tarling, Geraint A Burrows, Michael The effect of vertical migration strategy on retention and dispersion in the Irish Sea during spring-summer |
topic_facet |
PHYTOPLANKTON PRODUCTION NEPHROPS-NORVEGICUS L JUVENILE FISH SHELF SEAS Fisheries COPEPOD Oceanography GYRE CALANUS-FINMARCHICUS CIRCULATION ZOOPLANKTON LARVAE |
description |
A biophysical model of the Irish Sea was produced to predict net horizontal movement of key taxa including small copepods (Acartia, Pseudocalanus), large copepod species (Calanus finmarchicus and C. helgolandicus), the euphausiid Meganyctiphanes norvegica, and the larval stages of commercially important fish and Nephrops. The model coupled biological information on the vertical distribution and diel vertical migration (DVM) of these taxa with temporally resolved flow fields generated by a baroclinic hydrodynamic model. The DVM of Calanus spp. and Meganyctiphanes was parameterized empirically from data provided by a biophysical campaign carried out in the nearby Clyde Sea. Small copepods and larvae remained within the layers above the thermocline. Model organisms, programmed with particular behavioural patterns, were spaced at regular intervals (1/20 degrees longitude x 1/30 degrees latitude) in the model grid, which extended from 53 to 54.5 degrees N and 4.5 to 6.4 degrees W. The model was run over the months of April, May and June. Model simulations showed that the movement of model organisms followed one of four characteristic patterns: containment along the coast, advection to the north or south, stagnation in the centre of the gyre or circulation around the periphery of the gyre. The latter pattern was apparent even in April, when gyral circulation was not expected because of a lack of stratification in the water column. Thirty-day model runs in April, May and June showed that the number of organisms retained within the model grid varied between 23 and 49%. Those seeded close to the Irish coast had the highest probability of being retained within the model grid at the end of 90 days. DVM increased the probability of retention through improving the chances of organisms becoming entrained within the gyre circulation. This was especially true for Calanus spp., with those performing midnight sinking being the most likely to be retained out of any model organism. Meganyctiphanes showed comparatively lower levels ... |
format |
Article in Journal/Newspaper |
author |
Emsley, Stephen Tarling, Geraint A Burrows, Michael |
author_facet |
Emsley, Stephen Tarling, Geraint A Burrows, Michael |
author_sort |
Emsley, Stephen |
title |
The effect of vertical migration strategy on retention and dispersion in the Irish Sea during spring-summer |
title_short |
The effect of vertical migration strategy on retention and dispersion in the Irish Sea during spring-summer |
title_full |
The effect of vertical migration strategy on retention and dispersion in the Irish Sea during spring-summer |
title_fullStr |
The effect of vertical migration strategy on retention and dispersion in the Irish Sea during spring-summer |
title_full_unstemmed |
The effect of vertical migration strategy on retention and dispersion in the Irish Sea during spring-summer |
title_sort |
effect of vertical migration strategy on retention and dispersion in the irish sea during spring-summer |
publishDate |
2005 |
url |
https://pure.uhi.ac.uk/en/publications/f36c1c2b-3b66-4537-bdbe-e773ea893c3a https://doi.org/10.1111/j.1365-2419.2005.00327.x |
genre |
Calanus finmarchicus Meganyctiphanes norvegica Copepods |
genre_facet |
Calanus finmarchicus Meganyctiphanes norvegica Copepods |
op_source |
Emsley , S , Tarling , G A & Burrows , M 2005 , ' The effect of vertical migration strategy on retention and dispersion in the Irish Sea during spring-summer ' , FISH OCEANOGR , vol. 14 , no. 3 , pp. 161-174 . https://doi.org/10.1111/j.1365-2419.2005.00327.x |
op_rights |
info:eu-repo/semantics/restrictedAccess |
op_doi |
https://doi.org/10.1111/j.1365-2419.2005.00327.x |
container_title |
Fisheries Oceanography |
container_volume |
14 |
container_issue |
3 |
container_start_page |
161 |
op_container_end_page |
174 |
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1789964182467117056 |