The global spectrum of plant form and function
The global spectrum of plant form and function
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DOI：
10.1038/nature16489
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发表时间：
2016-01-14
期刊：
影响因子：
64.8
通讯作者：
Gorne, Lucas D.
中科院分区：
文献类型：
--
作者：
Diaz, Sandra;Kattge, Jens;Gorne, Lucas D.
地球是一个家庭的植物形式和生命历史的显着多样性，但相对较少的基本特征组合已被证明在今天的陆地生物圈进化可行。通过分析世界范围内的六个主要性状的变化至关重要的生长，生存和繁殖的最大样本的维管植物物种编制，我们发现，占用六维性状空间是强烈集中，协调和权衡。四分之三的性状变异被捕获在植物形态和功能的二维全球谱中。这个平面内的一个主要维度反映了整个植物及其部分的大小;另一个代表了叶经济学谱，它平衡了叶的建造成本和生长潜力。全球植物性状谱提供了一个背景，阐明进化的限制，功能合格的物种和生态系统，并改善模型，预测未来植被的基础上，在植物形态和功能的连续变化。
Earth is home to a remarkable diversity of plant forms and life histories, yet comparatively few essential trait combinations have proved evolutionarily viable in today's terrestrial biosphere. By analysing worldwide variation in six major traits critical to growth, survival and reproduction within the largest sample of vascular plant species ever compiled, we found that occupancy of six-dimensional trait space is strongly concentrated, indicating coordination and trade-offs. Three-quarters of trait variation is captured in a two-dimensional global spectrum of plant form and function. One major dimension within this plane reflects the size of whole plants and their parts; the other represents the leaf economics spectrum, which balances leaf construction costs against growth potential. The global plant trait spectrum provides a backdrop for elucidating constraints on evolution, for functionally qualifying species and ecosystems, and for improving models that predict future vegetation based on continuous variation in plant form and function.