Global Change Biology, volume 25, issue 11, pages 3669-3679

Flexibility in a changing arctic food web: Can rough‐legged buzzards cope with changing small rodent communities?

Publication typeJournal Article
Publication date2019-09-11
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor11.6
ISSN13541013, 13652486
Environmental Chemistry
General Environmental Science
Ecology
Global and Planetary Change
Abstract
Indirect effects of climate change are often mediated by trophic interactions and consequences for individual species depend on how they are tied into the local food web. Here we show how the response of demographic rates of an arctic bird of prey to fluctuations in small rodent abundance changed when small rodent community composition and dynamics changed, possibly under the effect of climate warming. We observed the breeding biology of rough-legged buzzards (Buteo lagopus) at the Erkuta Tundra Monitoring Site in southern Yamal, low arctic Russia, for 19 years (1999-2017). At the same time, data on small rodent abundance were collected and information on buzzard diet was obtained from pellet dissection. The small rodent community experienced a shift from high-amplitude cycles to dampened fluctuations paralleled with a change in species composition toward less lemmings and more voles. Buzzards clearly preferred lemmings as prey. Breeding density of buzzards was positively related to small rodent abundance, but the shift in small rodent community lead to lower numbers relative to small rodent abundance. At the same time, after the change in small rodent community, the average number of fledglings was higher relative to small rodent abundance than earlier. These results suggest that the buzzard population adapted to a certain degree to the changes in the major resource, although at the same time density declined. The documented flexibility in the short-term response of demographic rates to changes in structure and dynamics of key food web components make it difficult to predict how complex food webs will be transformed in a warmer Arctic. The degree of plasticity of functional responses is indeed likely to vary between species and between regions, depending also on the local food web context.

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Fufachev I. et al. Flexibility in a changing arctic food web: Can rough‐legged buzzards cope with changing small rodent communities? // Global Change Biology. 2019. Vol. 25. No. 11. pp. 3669-3679.
GOST all authors (up to 50) Copy
Fufachev I., Ehrich D., Sokolova N., Sokolov V. A., Sokolov A. Flexibility in a changing arctic food web: Can rough‐legged buzzards cope with changing small rodent communities? // Global Change Biology. 2019. Vol. 25. No. 11. pp. 3669-3679.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1111/gcb.14790
UR - https://doi.org/10.1111%2Fgcb.14790
TI - Flexibility in a changing arctic food web: Can rough‐legged buzzards cope with changing small rodent communities?
T2 - Global Change Biology
AU - Fufachev, I.
AU - Ehrich, Dorothee
AU - Sokolova, Natalia
AU - Sokolov, Vasiliy A.
AU - Sokolov, Aleksandr
PY - 2019
DA - 2019/09/11 00:00:00
PB - Wiley
SP - 3669-3679
IS - 11
VL - 25
SN - 1354-1013
SN - 1365-2486
ER -
BibTex |
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BibTex Copy
@article{2019_Fufachev,
author = {I. Fufachev and Dorothee Ehrich and Natalia Sokolova and Vasiliy A. Sokolov and Aleksandr Sokolov},
title = {Flexibility in a changing arctic food web: Can rough‐legged buzzards cope with changing small rodent communities?},
journal = {Global Change Biology},
year = {2019},
volume = {25},
publisher = {Wiley},
month = {sep},
url = {https://doi.org/10.1111%2Fgcb.14790},
number = {11},
pages = {3669--3679},
doi = {10.1111/gcb.14790}
}
MLA
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MLA Copy
Fufachev, I., et al. “Flexibility in a changing arctic food web: Can rough‐legged buzzards cope with changing small rodent communities?.” Global Change Biology, vol. 25, no. 11, Sep. 2019, pp. 3669-3679. https://doi.org/10.1111%2Fgcb.14790.
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