| Форма представления | Статьи в зарубежных журналах и сборниках |
| Год публикации | 2024 |
| Язык | английский |
|
Голиков Алексей Валентинович, автор
Сабиров Рушан Мирзович, автор
|
| Библиографическое описание на языке оригинала |
Golikov A. V., Xavier J. C., Ceia F. R., Queirós J. P., Bustamante P., Couperus B., Guillou G., Larionova A. M., Sabirov R. M., Somes C. J., Hoving H.-J. 2024. Insights on long-term ecosystem changes from stable isotopes in historical squid beaks // BMC Ecology and Evolution. – V. 24, Art. 90. – 16 pages. doi: 10.1186/s12862-024-02274-7 |
| Аннотация |
Background. Assessing the historical dynamics of key food web components is crucial to understand how climate
change impacts the structure of Arctic marine ecosystems. Most retrospective stable isotopic studies to date assessed
potential ecosystem shifts in the Arctic using vertebrate top predators and filter-feeding invertebrates as proxies.
However, due to long life histories and specific ecologies, ecosystem shifts are not always detectable when using
these taxa. Moreover, there are currently no retrospective stable isotopic studies on various other ecological and
taxonomic groups of Arctic biota. To test whether climate-driven shifts in marine ecosystems are reflected in the
ecology of short-living mesopredators, ontogenetic changes in stable isotope signatures in chitinous hard body
structures were analysed in two abundant squids (Gonatus fabricii and Todarodes sagittatus) from the low latitude
Arctic and adjacent waters, collected between 1844 and 2023.
Results. We detected a temporal increase in diet and habitat-use generalism (= opportunistic choice rather than
specialization), trophic position and niche width in G. fabricii from the low latitude Arctic waters. These shifts in
trophic ecology matched with the Atlantification of the Arctic ecosystems, which includes increased generalization
of food webs and higher primary production, and the influx of boreal species from the North Atlantic as a result of
climate change. The Atlantification is especially marked since the late 1990s/early 2000s. The temporal patterns we
found in G. fabricii's trophic ecology were largely unreported in previous Arctic retrospective isotopic ecology studies.
Accordingly, T. sagittatus that occur nowadays in the high latitude North Atlantic have a more generalist diet than in
the XIXth century.
Conclusions. Our results suggest that abundant opportunistic mesopredators with short life cycles (such as squids)
are good candidates for retrospective ecology studies in the marine ecosystems, and to identify ecosystem shifts
driven by climate change. Enhanced generalization of Arctic food webs is reflected in increased diet generalism and
niche width in squids, while increased abundance of boreal piscivorous fishes is reflected in squids' increased trophic
position. These findings support opportunism and adaptability in squids, which renders them as potential winners of
short-term shifts in Arctic ecosystems. |
| Ключевые слова |
Climate change, Food web, Arctic, North atlantic, Cephalopoda, Predator, Prey, Stable isotope analysis, Environmental conditions, Warming |
| Название журнала |
BMC Ecology and Evolution
|
| URL |
https://doi.org/10.1186/s12862-024-02274-7 |
| Пожалуйста, используйте этот идентификатор, чтобы цитировать или ссылаться на эту карточку |
https://repository.kpfu.ru/?p_id=302355 |
| Файлы ресурса | |
|
|
Полная запись метаданных  |
| Поле DC |
Значение |
Язык |
| dc.contributor.author |
Голиков Алексей Валентинович |
ru_RU |
| dc.contributor.author |
Сабиров Рушан Мирзович |
ru_RU |
| dc.date.accessioned |
2024-01-01T00:00:00Z |
ru_RU |
| dc.date.available |
2024-01-01T00:00:00Z |
ru_RU |
| dc.date.issued |
2024 |
ru_RU |
| dc.identifier.citation |
Golikov A. V., Xavier J. C., Ceia F. R., Queirós J. P., Bustamante P., Couperus B., Guillou G., Larionova A. M., Sabirov R. M., Somes C. J., Hoving H.-J. 2024. Insights on long-term ecosystem changes from stable isotopes in historical squid beaks // BMC Ecology and Evolution. – V. 24, Art. 90. – 16 pages. doi: 10.1186/s12862-024-02274-7 |
ru_RU |
| dc.identifier.uri |
https://repository.kpfu.ru/?p_id=302355 |
ru_RU |
| dc.description.abstract |
BMC Ecology and Evolution |
ru_RU |
| dc.description.abstract |
Background. Assessing the historical dynamics of key food web components is crucial to understand how climate
change impacts the structure of Arctic marine ecosystems. Most retrospective stable isotopic studies to date assessed
potential ecosystem shifts in the Arctic using vertebrate top predators and filter-feeding invertebrates as proxies.
However, due to long life histories and specific ecologies, ecosystem shifts are not always detectable when using
these taxa. Moreover, there are currently no retrospective stable isotopic studies on various other ecological and
taxonomic groups of Arctic biota. To test whether climate-driven shifts in marine ecosystems are reflected in the
ecology of short-living mesopredators, ontogenetic changes in stable isotope signatures in chitinous hard body
structures were analysed in two abundant squids (Gonatus fabricii and Todarodes sagittatus) from the low latitude
Arctic and adjacent waters, collected between 1844 and 2023.
Results. We detected a temporal increase in diet and habitat-use generalism (= opportunistic choice rather than
specialization), trophic position and niche width in G. fabricii from the low latitude Arctic waters. These shifts in
trophic ecology matched with the Atlantification of the Arctic ecosystems, which includes increased generalization
of food webs and higher primary production, and the influx of boreal species from the North Atlantic as a result of
climate change. The Atlantification is especially marked since the late 1990s/early 2000s. The temporal patterns we
found in G. fabricii's trophic ecology were largely unreported in previous Arctic retrospective isotopic ecology studies.
Accordingly, T. sagittatus that occur nowadays in the high latitude North Atlantic have a more generalist diet than in
the XIXth century.
Conclusions. Our results suggest that abundant opportunistic mesopredators with short life cycles (such as squids)
are good candidates for retrospective ecology studies in the marine ecosystems, and to identify ecosystem shifts
driven by climate change. Enhanced generalization of Arctic food webs is reflected in increased diet generalism and
niche width in squids, while increased abundance of boreal piscivorous fishes is reflected in squids' increased trophic
position. These findings support opportunism and adaptability in squids, which renders them as potential winners of
short-term shifts in Arctic ecosystems. |
ru_RU |
| dc.language.iso |
ru |
ru_RU |
| dc.subject |
Climate change |
ru_RU |
| dc.subject |
Food web |
ru_RU |
| dc.subject |
Arctic |
ru_RU |
| dc.subject |
North atlantic |
ru_RU |
| dc.subject |
Cephalopoda |
ru_RU |
| dc.subject |
Predator |
ru_RU |
| dc.subject |
Prey |
ru_RU |
| dc.subject |
Stable isotope analysis |
ru_RU |
| dc.subject |
Environmental conditions |
ru_RU |
| dc.subject |
Warming |
ru_RU |
| dc.title |
Insights on long-term ecosystem changes from stable isotopes in historical squid beak |
ru_RU |
| dc.type |
Статьи в зарубежных журналах и сборниках |
ru_RU |
|
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