期刊
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS
卷 390, 期 4, 页码 680-688出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physa.2010.10.043
关键词
Phenology; Phenological index; Temperature; Climate change; North Rhine-Westphalia
资金
- Ministry of the Environment, Regional Planning and Agriculture of North Rhine-Westphalia
- European Regional Development Fund
- BaltCICA
Phenological timing - i.e. the course of annually recurring development stages in nature - is of particular interest since it can be understood as a proxy for the climate at a specific region: moreover changes in the so-called phenological phases can be a direct consequence of climate change. We analyze records of botanical phenology and study their fluctuations which we rind to depend on the seasons. In contrast to previous studies, where typically trends in the phenology of individual species are estimated, we consider the ensemble of all available phases and propose a phenological index that characterizes the influence of climate on a multitude of botanical species. (C) 2010 Elsevier B.V. All rights reserved.
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