Decreased ultraviolet radiation and decomposer biodiversity inhibit litter decomposition under continuous nitrogen inputs

Bin Wei, Dianye Zhang, Dan Kou, Guibiao Yang, Futing Liu, Yunfeng Peng & Yuanhe Yang
Atmospheric nitrogen (N) deposition has altered biogeochemical cycles and ecosystem functioning. As a key process involved in carbon and nutrient cycles in terrestrial ecosystems, litter decomposition is sensitive to external N inputs. However, it remains unclear how the interactions of ultraviolet (UV) radiation, soil biodiversity (bacteria, fungi and invertebrates) and conventional drivers (e.g., litter chemistry and microbial activities) regulate the responses of litter decomposition to continuous N inputs. Based on an N-addition experimental platform, we...
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