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Impacts of snow cover on net primary productivity across Forest–grassland ecological zones: Hydrothermal and Phenological pathways in the greater Khingan range
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DOI：10.1016/j.ecolind.2026.115266.png)
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Abstract
En 中文
• Snow cover duration decreased at −0.40 d yr−1 on the western Greater Khingan Range. • NPP shows seasonal differentiation: 95.5% area increases in spring but decreases in summer. • Snow effects on NPP exhibit clear ecological zonation and cross-seasonal lag effects. • Snow regulates NPP indirectly via soil hydrothermal conditions and vegetation phenology. • Snowmelt water supply dominates in grasslands, while thermal limitation dominates in forests.
Keywords:
Snow cover change
Net primary productivity
Vegetation phenology
Soil hydrothermal conditions
Forest–grassland ecotone
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7.4
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7.1W
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