Finding food in a changing world: Small‐scale foraging habitat preferences of an insectivorous passerine in the Alps

Müller, Thomas; Meier, Christoph M.; Knaus, Florian; Korner, Pius; Helm, Barbara; Amrhein, Valentin; Rime, Yann

doi:10.1002/ece3.10084

Cited by 1 publication

(2 citation statements)

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“…Species distribution models that predict responses to climate change traditionally assume homogenous climate conditions along latitudinal boundaries; however, an increasing body of literature emphasizes the importance of heterogeneity within a species' range (Thomas et al, 2001;Lembrechts et al, 2019). For example, differences in topography, forest cover, and urbanization in terrestrial habitats and wind, tides, and upwelling in aquatic environments can lead to variability in the microclimatic conditions a species experiences across its distribution (Doniol-Valcroze et al, 2007;Schofield et al, 2009;Lembrechts et al, 2019;Bosso et al, 2022;Müller et al, 2023). This variability has the potential to create microhabitats, which can be selectively used by organisms to improve reproductive success, increase access to prey, avoid predators, or thermoregulate (Doniol-Valcroze et al, 2007;Schofield et al, 2009;Petty et al, 2012;Searcy et al, 2013;Müller et al, 2023).…”

Section: Introductionmentioning

confidence: 99%

“…For example, differences in topography, forest cover, and urbanization in terrestrial habitats and wind, tides, and upwelling in aquatic environments can lead to variability in the microclimatic conditions a species experiences across its distribution (Doniol-Valcroze et al, 2007;Schofield et al, 2009;Lembrechts et al, 2019;Bosso et al, 2022;Müller et al, 2023). This variability has the potential to create microhabitats, which can be selectively used by organisms to improve reproductive success, increase access to prey, avoid predators, or thermoregulate (Doniol-Valcroze et al, 2007;Schofield et al, 2009;Petty et al, 2012;Searcy et al, 2013;Müller et al, 2023). Under changing climate conditions, microhabitats may function as microrefugia, defined as small areas with favorable environmental conditions in which some populations may persist while protected from the broader unfavorable landscape (Rull, 2009;Hannah et al, 2014;Lembrechts et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

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Thermal microrefugia and changing climate affect migratory phenology of a thermally constrained marine mammal

Hieb,

Cloyed,

DaCosta

et al. 2023

Front. Ecol. Evol.

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Changing climate conditions are well documented to affect species distribution patterns and migratory phenology, especially for thermally constrained species. Climate induced changes and other natural and anthropogenic factors may affect habitats heterogeneously, altering microhabitats that act as refugia. Here, we used a thermally constrained marine mammal, the West Indian manatee (Trichechus manatus), as a model species to examine how the availability of thermal microrefugia combined with climate driven increases in regional water temperatures may affect the timing and duration of occurrence at the northern margins of the species’ range. We used aerial, thermographic imaging to identify potential thermal anomalies that could act as thermal microrefugia for manatees during unfavorable cold temperatures and assessed manatee occurrence at these sites using citizen-sourced manatee sightings and stranding response data. To further understand how regional and longer-term water temperatures may affect the use of thermal microrefugia and phenology of migration, we compared spatial and temporal distributions of manatee sightings to air and sea surface temperatures on a decadal scale. Thermal anomalies were detected at various sources, and documented manatee sightings at or near these sites support use as thermal microrefugia during cold periods. Cold season manatee sightings at a known western migratory endpoint (Alabama waters) have increased during the last decade, primarily through increased sightings during the late fall and early winter (Nov–Jan) that correspond to increased regional temperatures during the same period. Manatees may use thermal microrefugia to remain at northern latitudes longer, delaying seasonal migrations or overwintering as conditions allow. Climate change is likely to have further effects on the species’ distribution and migration patterns, potentially facilitating modern range expansion that has implications for management and recovery actions for manatees across their range. Our study provides novel insight for manatees but may also be used as a model to understand how other thermally constrained species may expand their ranges into higher latitudes.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Thermal microrefugia and changing climate affect migratory phenology of a thermally constrained marine mammal

Hieb,

Cloyed,

DaCosta

et al. 2023

Front. Ecol. Evol.

View full text Add to dashboard Cite

show abstract

Finding food in a changing world: Small‐scale foraging habitat preferences of an insectivorous passerine in the Alps

Abstract: This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

Cited by 1 publication

References 131 publications

Thermal microrefugia and changing climate affect migratory phenology of a thermally constrained marine mammal

Thermal microrefugia and changing climate affect migratory phenology of a thermally constrained marine mammal

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