A millennium of cold and humid climate decreased carbon accumulation in the subtropical monsoon peatland
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Abstract:
In the subtropical monsoon region of China, the climate differs from that of most northern peatlands, where many peatlands have developed in mountainous areas. However, it remains unclear how the carbon dynamics of these subtropical peatlands respond to climate change. Here, we reconstructed the net carbon fluxes of a typical mountainous peatland in Tianmu Mountain, eastern China, over the past thousand years. Humidity and winter temperature are two important climatic factors influencing carbon accumulation (Deviance explained 77.2%) and drought promotes Qianmutian peatland initial development. Despite the decline in carbon accumulation over the last millennium, the peatland's net carbon balance remains in a 'carbon sink' state. This suggests that the risk of carbon release from the peatland carbon pool under natural climate change conditions is not substantial in the subtropical monsoon area. The risk of carbon release from the peatland carbon pool under natural climate change conditions is not substantial in the subtropical monsoon area, based on a reconstruction of fluxes of a mountainous peatland in Tianmu Mountain, China, over the past thousand years.Keywords:
Humid subtropical climate
Cold climate
Based on the establishment of bulky species,climate and agroclimate index databases,a climate consulting system for introducing species of tropical and subtropical crops was developed abiding by the agroclimate similarity principle,i.e.using key climate factors in key period of crop growth,development and yield formation.The system is able to display rapidly the information of more than 26 000 tropical and subtropical species and climate data of more than 20 000 meteorological stations in the world.As far as some species are concerned,the system is also able to compute agroclimate similarity degree between each station in Guangdong and each station in the world and print special maps for agroclimate similarity degree.
Humid subtropical climate
Tropical climate
Similarity (geometry)
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