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| DOI | 10.1016/j.gecco.2024.e02797 |
| Low spatial habitat overlap of herbivores in the High Arctic tundra | |
| 发表日期 | 2024 |
| EISSN | 2351-9894 |
| 起始页码 | 49 |
| 卷号 | 49 |
| 英文摘要 | Herbivores play a crucial role in shaping tundra ecosystems through their effects on vegetation, nutrient cycling, and soil abiotic factors. Understanding their habitat use, co-occurrence, and overlap is therefore essential for informing ecosystem-based management and conservation. In the High Arctic, only a marginal proportion of the land area is vegetated, and climate change is impacting herbivore population sizes and their habitats. In this study, we assessed the spatial habitat overlap of a vertebrate herbivore community based on: 1) regional predictive summer habitat suitability models for the resident Svalbard reindeer (Rangifer tarandus platyrhynchus), resident Svalbard rock ptarmigan (Lagopus muta hyperborea), and the migratory pink-footed goose (Anser brachyrhynchus), and 2) presence of fecal pellets, reflecting the annual habitat use of reindeer, ptarmigan, and geese, including the pink-footed goose and barnacle goose (Branta leucopsis). Our findings revealed that only small proportions of the available land cover (similar to 12,516 km(2); all land area excluding glaciers and freshwater) are suitable for each of the species (habitat suitability [HS] > 0.5): reindeer (22 %), ptarmigan (11 %), and pink-footed goose (4 %). Overlapping suitable habitat [HS > 0.5] for reindeer and goose accounted for only 3 % of the total vegetated area (similar to 8848 km(2)) and was primarily found in heath and moist habitats dominated by mosses, graminoids, and herbaceous plants. The overlapping suitable habitat for reindeer and ptarmigan covered 8 % of the vegetated area, in higher elevation ridges with vegetation on drier substrates. The shared habitat for ptarmigan and goose, and all three species of herbivores, was less than 1 % of the vegetated area. Additionally, an assessment of fecal pellets suggested that the highest overlap in habitat use among reindeer and goose occurred in bird cliff moss tundra, followed by moss tundra and heath habitats. The small proportion of the vegetated area suitable for all three herbivores indicates a high degree of habitat differentiation. Therefore, different habitats need to be considered for the management and conservation of resident and migratory herbivore species in this High Arctic Archipelago. Moreover, our results underscore the importance of the small but productive parts of the landscape that were used by all herbivores |
| 英文关键词 | Goose; Habitat suitability; Management; Ptarmigan; Reindeer |
| 语种 | 英语 |
| WOS研究方向 | Biodiversity & Conservation ; Environmental Sciences & Ecology |
| WOS类目 | Biodiversity Conservation ; Ecology |
| WOS记录号 | WOS:001161897200001 |
| 来源期刊 | GLOBAL ECOLOGY AND CONSERVATION
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/291562 |
| 作者单位 | Norwegian Polar Institute; UiT The Arctic University of Tromso; Norwegian Institute of Bioeconomy Research; Idaho; Boise State University; University of South Bohemia Ceske Budejovice; Norwegian Institute Nature Research; Norwegian University of Science & Technology (NTNU); Norwegian University of Science & Technology (NTNU); Norwegian University of Life Sciences; Czech Academy of Sciences; Biology Centre of the Czech Academy of Sciences; Estonian University of Life Sciences; Aarhus University; Norwegian University of Science & Technology (NTNU); Norwegian Institute Nature Research |
| 推荐引用方式 GB/T 7714 | . Low spatial habitat overlap of herbivores in the High Arctic tundra[J],2024,49. |
| APA | (2024).Low spatial habitat overlap of herbivores in the High Arctic tundra.GLOBAL ECOLOGY AND CONSERVATION,49. |
| MLA | "Low spatial habitat overlap of herbivores in the High Arctic tundra".GLOBAL ECOLOGY AND CONSERVATION 49(2024). |
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