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Glaciers serve as indicators of climate change, and their changes in reserves and distribution have significant impacts on downstream ecology and human security. Taking A’nyemaqen mountain as the research area to study its changing characteristics, reference was provided for regional ecological environment protection and economic and social development. Using Landsat data and Sentinel-1A data to extract the area and surface velocity of the A’nyemaqen glacier, combined with temperature and precipitation data from two nearby meteorological stations in the study area, the relationship between glacier changes and climate in the region from 2014 to 2020 was analyzed. From 2014 to 2020, the number of glaciers increased from 80 to 85, an increase of 5 glaciers. The glacier area has retreated from 98.46 km2 to 86.58 km2, a retreat of 11.88 km2. The A’nyemaqen Glacier shows an overall trend of retreat, with glacier flow velocity greater at the central axis than at the two wings and gradually decreasing from high to low altitude to the end of the ice tongue. The temperature and precipitation in the research area have shown an increasing trend, with a more significant increase in precipitation. However, the glacier area still shows a shrinking trend, indicating that the amount of glacier melting is greater than the cumulative amount.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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