Nonlinearity in interspecific interactions in response to climate change: Cod and haddock as an example
Abstract Climate change has profound ecological effects, yet our understanding of how trophic interactions among species are affected by climate change is still patchy. The sympatric Atlantic haddock and cod are co‐occurring across the North Atlantic. They compete for food at younger stages and ther...
Published in: | Global Change Biology |
---|---|
Main Authors: | , , , |
Other Authors: | |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
Wiley
2020
|
Subjects: | |
Online Access: | http://dx.doi.org/10.1111/gcb.15264 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fgcb.15264 https://onlinelibrary.wiley.com/doi/pdf/10.1111/gcb.15264 https://onlinelibrary.wiley.com/doi/full-xml/10.1111/gcb.15264 |
id |
crwiley:10.1111/gcb.15264 |
---|---|
record_format |
openpolar |
spelling |
crwiley:10.1111/gcb.15264 2024-09-15T17:57:59+00:00 Nonlinearity in interspecific interactions in response to climate change: Cod and haddock as an example Durant, Joël M. Ono, Kotaro Stenseth, Nils Chr. Langangen, Øystein Norges Forskningsråd 2020 http://dx.doi.org/10.1111/gcb.15264 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fgcb.15264 https://onlinelibrary.wiley.com/doi/pdf/10.1111/gcb.15264 https://onlinelibrary.wiley.com/doi/full-xml/10.1111/gcb.15264 en eng Wiley http://creativecommons.org/licenses/by-nc/4.0/ Global Change Biology volume 26, issue 10, page 5554-5563 ISSN 1354-1013 1365-2486 journal-article 2020 crwiley https://doi.org/10.1111/gcb.15264 2024-08-06T04:20:28Z Abstract Climate change has profound ecological effects, yet our understanding of how trophic interactions among species are affected by climate change is still patchy. The sympatric Atlantic haddock and cod are co‐occurring across the North Atlantic. They compete for food at younger stages and thereafter the former is preyed by the latter. Climate change might affect the interaction and coexistence of these two species. Particularly, the increase in sea temperature (ST) has been shown to affect distribution, population growth and trophic interactions in marine systems. We used 33‐year long time series of haddock and cod abundances estimates from two data sources (acoustic and trawl survey) to analyse the dynamic effect of climate on the coexistence of these two sympatric species in the Arcto‐Boreal Barents Sea. Using a Bayesian state‐space threshold model, we demonstrated that long‐term climate variation, as expressed by changes of ST, affected species demography through different influences on density‐independent processes. The interaction between cod and haddock has shifted in the last two decades due to an increase in ST, altering the equilibrium abundances and the dynamics of the system. During warm years (ST over ca. 4°C), the increase in the cod abundance negatively affected haddock abundance while it did not during cold years. This change in interactions therefore changed the equilibrium population size with a higher population size during warm years. Our analyses show that long‐term climate change in the Arcto‐Boreal system can generate differences in the equilibrium conditions of species assemblages. Article in Journal/Newspaper Barents Sea North Atlantic Wiley Online Library Global Change Biology 26 10 5554 5563 |
institution |
Open Polar |
collection |
Wiley Online Library |
op_collection_id |
crwiley |
language |
English |
description |
Abstract Climate change has profound ecological effects, yet our understanding of how trophic interactions among species are affected by climate change is still patchy. The sympatric Atlantic haddock and cod are co‐occurring across the North Atlantic. They compete for food at younger stages and thereafter the former is preyed by the latter. Climate change might affect the interaction and coexistence of these two species. Particularly, the increase in sea temperature (ST) has been shown to affect distribution, population growth and trophic interactions in marine systems. We used 33‐year long time series of haddock and cod abundances estimates from two data sources (acoustic and trawl survey) to analyse the dynamic effect of climate on the coexistence of these two sympatric species in the Arcto‐Boreal Barents Sea. Using a Bayesian state‐space threshold model, we demonstrated that long‐term climate variation, as expressed by changes of ST, affected species demography through different influences on density‐independent processes. The interaction between cod and haddock has shifted in the last two decades due to an increase in ST, altering the equilibrium abundances and the dynamics of the system. During warm years (ST over ca. 4°C), the increase in the cod abundance negatively affected haddock abundance while it did not during cold years. This change in interactions therefore changed the equilibrium population size with a higher population size during warm years. Our analyses show that long‐term climate change in the Arcto‐Boreal system can generate differences in the equilibrium conditions of species assemblages. |
author2 |
Norges Forskningsråd |
format |
Article in Journal/Newspaper |
author |
Durant, Joël M. Ono, Kotaro Stenseth, Nils Chr. Langangen, Øystein |
spellingShingle |
Durant, Joël M. Ono, Kotaro Stenseth, Nils Chr. Langangen, Øystein Nonlinearity in interspecific interactions in response to climate change: Cod and haddock as an example |
author_facet |
Durant, Joël M. Ono, Kotaro Stenseth, Nils Chr. Langangen, Øystein |
author_sort |
Durant, Joël M. |
title |
Nonlinearity in interspecific interactions in response to climate change: Cod and haddock as an example |
title_short |
Nonlinearity in interspecific interactions in response to climate change: Cod and haddock as an example |
title_full |
Nonlinearity in interspecific interactions in response to climate change: Cod and haddock as an example |
title_fullStr |
Nonlinearity in interspecific interactions in response to climate change: Cod and haddock as an example |
title_full_unstemmed |
Nonlinearity in interspecific interactions in response to climate change: Cod and haddock as an example |
title_sort |
nonlinearity in interspecific interactions in response to climate change: cod and haddock as an example |
publisher |
Wiley |
publishDate |
2020 |
url |
http://dx.doi.org/10.1111/gcb.15264 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fgcb.15264 https://onlinelibrary.wiley.com/doi/pdf/10.1111/gcb.15264 https://onlinelibrary.wiley.com/doi/full-xml/10.1111/gcb.15264 |
genre |
Barents Sea North Atlantic |
genre_facet |
Barents Sea North Atlantic |
op_source |
Global Change Biology volume 26, issue 10, page 5554-5563 ISSN 1354-1013 1365-2486 |
op_rights |
http://creativecommons.org/licenses/by-nc/4.0/ |
op_doi |
https://doi.org/10.1111/gcb.15264 |
container_title |
Global Change Biology |
container_volume |
26 |
container_issue |
10 |
container_start_page |
5554 |
op_container_end_page |
5563 |
_version_ |
1810434196577976320 |