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Exploring the drivers of variation in trophic mismatches: A systematic review of long‐term avian studies
Zhemchuzhnikov, M.K.; Versluijs, T.S.L.; Lameris, T.K.; Reneerkens, J.; Both, C.; van Gils, J.A. (2021). Exploring the drivers of variation in trophic mismatches: A systematic review of long‐term avian studies. Ecol. Evol. 11(9): 3710-3725. https://doi.org/10.1002/ece3.7346

Bijhorende info:
In: Ecology and Evolution. John Wiley & Sons: Chichester. ISSN 2045-7758; e-ISSN 2045-7758, meer
Peer reviewed article  

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Author keywords
    asynchrony; bird phenology; consumer-resource interactions; reproductive success; trophic mismatch

Auteurs  Top 
  • Zhemchuzhnikov, M.K., meer
  • Versluijs, T.S.L., meer
  • Lameris, T.K., meer
  • Reneerkens, J.
  • Both, C.
  • van Gils, J.A., meer

Abstract
    Many organisms reproduce in seasonal environments, where selection on timing of reproduction is particularly strong as consumers need to synchronize reproduction with the peaked occurrence of their food. When a consumer species changes its phenology at a slower rate than its resources, this may induce a trophic mismatch, that is, offspring growing up after the peak in food availability, potentially leading to reductions in growth and survival. However, there is large variation in the degree of trophic mismatches as well as in its effects on reproductive output.Here, we explore the potential causes for variation in the strength of trophic mismatches in published studies of birds. Specifically, we ask whether the changes in the degree of mismatch that have occurred over time can be explained by a bird's (a) breeding latitude, (b) migration distance, and/or (c) life‐history traits.We found that none of these three factors explain changes in the degree of mismatch over time. Nevertheless, food phenology did advance faster at more northerly latitudes, while shifts in bird phenology did not show a trend with latitude.We argue that the lack of support in our results is attributable to the large variation in the metrics used to describe timing of food availability. We propose a pathway to improve the quantification of trophic mismatches, guided by a more rigorous understanding of links between consumers and their resources.

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