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来源类型Article
规范类型其他
DOI10.1038/ngeo2553
Biomass production efficiency controlled by management in temperate and boreal ecosystems.
Campioli M; Vicca S; Luyssaert S; Bilcke J; Ceschia E; Chapin III F S; Ciais P; Fernández-Martínez M
发表日期2015
出处Nature Geoscience 8 (11): 843-846
出版年2015
语种英语
摘要Plants acquire carbon through photosynthesis to sustain biomass production, autotrophic respiration and production of non-structural compounds for multiple purposes1. The fraction of photosynthetic production used for biomass production, the biomass production efficiency2, is a key determinant of the conversion of solar energy to biomass. In forest ecosystems, biomass production efficiency was suggested to be related to site fertility2. Here we present a database of biomass production efficiency from 131 sites compiled from individual studies using harvest, biometric, eddy covariance, or process-based model estimates of production. The database is global, but dominated by data from Europe and North America. We show that instead of site fertility, ecosystem management is the key factor that controls biomass production efficiency in terrestrial ecosystems. In addition, in natural forests, grasslands, tundra, boreal peatlands and marshes, biomass production efficiency is independent of vegetation, environmental and climatic drivers. This similarity of biomass production efficiency across natural ecosystem types suggests that the ratio of biomass production to gross primary productivity is constant across natural ecosystems. We suggest that plant adaptation results in similar growth efficiency in high- and low-fertility natural systems, but that nutrient influxes under managed conditions favour a shift to carbon investment from the belowground flux of non-structural compounds to aboveground biomass.
主题Ecosystems Services and Management (ESM)
关键词Ecosystem ecology, Forest ecology, Biomass production
URLhttp://pure.iiasa.ac.at/id/eprint/13381/
来源智库International Institute for Applied Systems Analysis (Austria)
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资源类型智库出版物
条目标识符http://119.78.100.153/handle/2XGU8XDN/130449
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GB/T 7714
Campioli M,Vicca S,Luyssaert S,et al. Biomass production efficiency controlled by management in temperate and boreal ecosystems.. 2015.
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