期刊
DIVERSITY-BASEL
卷 13, 期 8, 页码 -出版社
MDPI
DOI: 10.3390/d13080383
关键词
biodiversity; high-elevation; mountains; phenology; snow; species distribution; treeline; topography; vegetation; warming
Alpine plants prosper in treeless vegetation above the high elevation climatic treeline through their small stature, apt seasonal development, and 'managing' of the microclimate. Despite the wide range of thermal niches provided by the alpine environment, certain habitat types may shrink with climate warming, posing challenges for some plant species.
The alpine belt hosts the treeless vegetation above the high elevation climatic treeline. The way alpine plants manage to thrive in a climate that prevents tree growth is through small stature, apt seasonal development, and 'managing' the microclimate near the ground surface. Nested in a mosaic of micro-environmental conditions, these plants are in a unique position by a close-by neighborhood of strongly diverging microhabitats. The range of adjacent thermal niches that the alpine environment provides is exceeding the worst climate warming scenarios. The provided mountains are high and large enough, these are conditions that cause alpine plant species diversity to be robust against climatic change. However, the areal extent of certain habitat types will shrink as isotherms move upslope, with the potential areal loss by the advance of the treeline by far outranging the gain in new land by glacier retreat globally.
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