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Tavera EA, Lank DB, Douglas DC, Sandercock BK, Lanctot RB, Schmidt NM, Reneerkens J, Ward DH, Bêty J, Kwon E, Lecomte N, Gratto-Trevor C, Smith PA, English WB, Saalfeld ST, Brown SC, Gates HR, Nol E, Liebezeit JR, McGuire RL, McKinnon L, Kendall S, Robards M, Boldenow M, Payer DC, Rausch J, Solovyeva DV, Stalwick JA, Gurney KEB. Why do avian responses to change in Arctic green-up vary? GLOBAL CHANGE BIOLOGY 2024; 30:e17335. [PMID: 38771086 DOI: 10.1111/gcb.17335] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 03/29/2024] [Accepted: 04/17/2024] [Indexed: 05/22/2024]
Abstract
Global climate change has altered the timing of seasonal events (i.e., phenology) for a diverse range of biota. Within and among species, however, the degree to which alterations in phenology match climate variability differ substantially. To better understand factors driving these differences, we evaluated variation in timing of nesting of eight Arctic-breeding shorebird species at 18 sites over a 23-year period. We used the Normalized Difference Vegetation Index as a proxy to determine the start of spring (SOS) growing season and quantified relationships between SOS and nest initiation dates as a measure of phenological responsiveness. Among species, we tested four life history traits (migration distance, seasonal timing of breeding, female body mass, expected female reproductive effort) as species-level predictors of responsiveness. For one species (Semipalmated Sandpiper), we also evaluated whether responsiveness varied across sites. Although no species in our study completely tracked annual variation in SOS, phenological responses were strongest for Western Sandpipers, Pectoral Sandpipers, and Red Phalaropes. Migration distance was the strongest additional predictor of responsiveness, with longer-distance migrant species generally tracking variation in SOS more closely than species that migrate shorter distances. Semipalmated Sandpipers are a widely distributed species, but adjustments in timing of nesting relative to variability in SOS did not vary across sites, suggesting that different breeding populations of this species were equally responsive to climate cues despite differing migration strategies. Our results unexpectedly show that long-distance migrants are more sensitive to local environmental conditions, which may help them to adapt to ongoing changes in climate.
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Affiliation(s)
| | - David B Lank
- Simon Fraser University, Burnaby, British Columbia, Canada
| | - David C Douglas
- Alaska Science Center, U.S. Geological Survey, Anchorage, Alaska, USA
| | | | | | | | - Jeroen Reneerkens
- Groningen Institute for Evolutionary Life Sciences, University of Groningen, Groningen, The Netherlands
| | - David H Ward
- Alaska Science Center, U.S. Geological Survey, Anchorage, Alaska, USA
| | - Joël Bêty
- Université du Québec à Rimouski and Centre d'études nordiques, Rimouski, Quebec, Canada
| | - Eunbi Kwon
- Max Planck Institute for Biological Intelligence, Seewiesen, Germany
| | | | - Cheri Gratto-Trevor
- Science and Technology Branch, Environment and Climate Change Canada, Saskatoon, Saskatchewan, Canada
| | - Paul A Smith
- Science and Technology Branch, Environment and Climate Change Canada, Ottawa, Ontario, Canada
| | | | | | | | - H River Gates
- Manomet, Shorebird Recovery Program, Plymouth, Massachusetts, USA
- Migratory Bird Management, U.S. Fish and Wildlife Service, Anchorage, Alaska, USA
| | - Erica Nol
- Trent University, Peterborough, Ontario, Canada
| | | | | | | | - Steve Kendall
- U.S. Fish and Wildlife Service, Arctic National Wildlife Refuge, Fairbanks, Alaska, USA
| | | | | | | | - Jennie Rausch
- Canadian Wildlife Service, Environment and Climate Change Canada, Yellowknife, Northwest Territories, Canada
| | - Diana V Solovyeva
- Institute of Biological Problems of the North, Far Eastern Branch, Russian Academy of Sciences, Magadan, Russia
| | - Jordyn A Stalwick
- Science and Technology Branch, Environment and Climate Change Canada, Saskatoon, Saskatchewan, Canada
| | - Kirsty E B Gurney
- Science and Technology Branch, Environment and Climate Change Canada, Saskatoon, Saskatchewan, Canada
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Pöysä H. Local variation in the timing and advancement of lake ice breakup and impacts on settling dynamics in a migratory waterbird. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 811:151397. [PMID: 34740659 DOI: 10.1016/j.scitotenv.2021.151397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 10/29/2021] [Accepted: 10/30/2021] [Indexed: 06/13/2023]
Abstract
Timing of ice-out is important to fundamental hydrological and ecological processes in freshwater ecosystems at high northern latitudes. While earlier ice-out in lakes during the last century is a well-documented phenomenon across the Northern Hemisphere, local variation in the rate of advancement of ice-out has received little attention. Here, records of ice-out date in 1991-2020 from 37 small lakes in a boreal catchment area in southeastern Finland were used to study variation in the timing of ice-out and its advancement. In addition, data of settling phenology of migratory common goldeneyes (Bucephala clangula) at the study lakes were used to examine how between-year and within-season variation in the timing of ice-out affects lake settlement of the species. Overall, ice-out date (IOD, the timing of ice break-up in the spring) advanced 9.8 days during the 30-year study period, April temperature being more important than winter temperature (severity) in determining the IOD. Rate of the advancement of IOD in individual lakes varied from 1.5 to 16.1 days, having advanced more in relatively larger lakes. Lakes at higher elevations had later mean IOD than lakes at lower elevations. Within-season differences among the lakes in IOD increased from 1991 to 2020, this variation being mainly driven by temperature during the ice melting period. Lakes with late mean IOD were settled later in a season by breeding common goldeneyes than lakes with early IOD. The faster the ice melting progressed within a season, the faster common goldeneyes settled the breeding lakes. The results demonstrate how global warming differently affects IOD in boreal lakes even within the same catchment area. More research in the landscape context is needed to enhance our understanding of changes in IOD in boreal lakes and how differently advancing IOD affects local dynamics of species dependent on open water.
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Affiliation(s)
- Hannu Pöysä
- Natural Resources Institute Finland, Yliopistokatu 6, FI 80100 Joensuu, Finland.
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Öst M, Lehikoinen A, Jaatinen K. Top–down effects override climate forcing on reproductive success in a declining sea duck. OIKOS 2021. [DOI: 10.1111/oik.08762] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Markus Öst
- Environmental and Marine Biology, Biocity, Åbo Akademi Univ. Turku Finland
- Novia Univ. of Applied Sciences Ekenäs Finland
| | - Aleksi Lehikoinen
- Finnish Museum of Natural History, Univ. of Helsinki Helsinki Finland
| | - Kim Jaatinen
- Nature and Game Management Trust Finland Degerby Finland
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