دورية أكاديمية
Green-up selection by red deer in heterogeneous, human-dominated landscapes of Central Europe.
| العنوان: | Green-up selection by red deer in heterogeneous, human-dominated landscapes of Central Europe. |
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| المؤلفون: | Sigrist B; Wildlife Management Unit Institute of Natural Resource Sciences, ZHAW Zurich University of Applied Sciences Wädenswil Switzerland.; Population Ecology Research Group Department of Evolutionary Biology and Environmental Studies, University of Zurich Zurich Switzerland., Signer C; Wildlife Management Unit Institute of Natural Resource Sciences, ZHAW Zurich University of Applied Sciences Wädenswil Switzerland., Wellig SD; Wildlife Management Unit Institute of Natural Resource Sciences, ZHAW Zurich University of Applied Sciences Wädenswil Switzerland.; Valais Hunting, Fisheries and Wildlife Department Sion Switzerland., Ozgul A; Population Ecology Research Group Department of Evolutionary Biology and Environmental Studies, University of Zurich Zurich Switzerland., Filli F; Swiss National Park Zernez Switzerland., Jenny H; Grisons Game and Fisheries Department Chur Switzerland., Thiel D; St. Gall Conservation Hunting and Fisheries Department St. Gallen Switzerland., Wirthner S; Valais Hunting, Fisheries and Wildlife Department Sion Switzerland., Graf RF; Wildlife Management Unit Institute of Natural Resource Sciences, ZHAW Zurich University of Applied Sciences Wädenswil Switzerland. |
| المصدر: | Ecology and evolution [Ecol Evol] 2022 Jul 04; Vol. 12 (7), pp. e9048. Date of Electronic Publication: 2022 Jul 04 (Print Publication: 2022). |
| نوع المنشور: | Journal Article |
| اللغة: | English |
| بيانات الدورية: | Publisher: Blackwell Pub. Ltd Country of Publication: England NLM ID: 101566408 Publication Model: eCollection Cited Medium: Print ISSN: 2045-7758 (Print) Linking ISSN: 20457758 NLM ISO Abbreviation: Ecol Evol Subsets: PubMed not MEDLINE |
| أسماء مطبوعة: | Original Publication: [Oxford] : Blackwell Pub. Ltd. |
| مستخلص: | The forage maturation hypothesis (FMH) assumes that herbivores cope with the trade-off between digestibility and biomass in forage by selecting vegetation at intermediate growth. The green wave hypothesis (GWH) extends the FMH to suggest how spatiotemporal heterogeneity in plant quality shapes migratory movements of herbivores. Growing empirical support for these hypotheses mainly comes from studies in vast landscapes with large-scale habitat heterogeneity. It is unclear, however, to what extent ungulates surf green waves in human-altered landscapes with small-scale heterogeneity in terms of land use and topography. We used plant phenological proxies derived from Sentinel 2 satellite data to analyze the habitat selection of 93 collared red deer ( Cervus elaphus ) in montane and alpine habitats. Using a step selection analysis, we investigated how plant phenology, that is, the instantaneous rate of green-up (IRG) and normalized difference vegetation index (NDVI), and a set of variables describing topography and human presence influenced red deer resource selection in open habitats. We learned that red deer selected areas with high biomass at green-up and avoided habitats with possible exposure to human activity. Additionally, landscape structure and topography strongly influenced spatial behavior of red deer. We further compared cumulative access to high-quality forage across migrant strategies and found migrants gained better access than residents. Many migratory individuals surfed the green wave, and their surfing behavior, however, became less pronounced with decreasing distance to settlements. Within the constraints of topography and human land use, red deer track spring green-up on a fine spatiotemporal scale and follow the green wave across landscapes in migration movements. Thus, they benefit from high-quality forage even in human-dominated landscapes with small-scale heterogeneity and vegetation emerging in a heterogenic, dynamic mosaic. Competing Interests: We declare no conflict of interest. (© 2022 The Authors. Ecology and Evolution published by John Wiley & Sons Ltd.) |
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| فهرسة مساهمة: | Keywords: Switzerland; green wave hypothesis; human disturbance; migration; net squared displacement; normalized difference vegetation index NDVI; remote sensing; sentinel 2 |
| سلسلة جزيئية: | Dryad 10.5061/dryad.1vhhmgqw9 |
| تواريخ الأحداث: | Date Created: 20220711 Latest Revision: 20240831 |
| رمز التحديث: | 20240831 |
| مُعرف محوري في PubMed: | PMC9251849 |
| DOI: | 10.1002/ece3.9048 |
| PMID: | 35813904 |
| قاعدة البيانات: | MEDLINE |
Full Text Finder | تدمد: | 2045-7758 |
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| DOI: | 10.1002/ece3.9048 |