Arid
DOI10.1016/j.ecolind.2012.11.010
Ecosystem functional units characterized by satellite observed phenology and productivity gradients: A case study for Europe
Ivits, E.; Cherlet, M.; Mehl, W.; Sommer, S.
通讯作者Ivits, E.
来源期刊ECOLOGICAL INDICATORS
ISSN1470-160X
EISSN1872-7034
出版年2013
卷号27页码:17-28
英文摘要

The present study demonstrates remote sensing derived phenological and productivity indicators of ecosystem functional dynamism. The indices were derived from SPOT VEGETATION NDVI data on 1 km spatial resolution across the pan-European continent using the Phenolo approach. The phenological and productivity indices explained 78% of the variance in the European ecosystem gradient measured by bio-climatic zones. Along this gradient climatic predictors could only explain 57% of the variance in the satellite metrics. Reclassification of the bio-climatic zones into phenology and productivity related ecosystem functional units (EFUs) selected five metrics related to the cyclic and permanent fraction of productivity, to the background, to the growing season start and the timing of the maximum NDVI value. Along the EFU gradient the climatic predictors explained over 90% of the variance of the remote sensing variables, 30% more than along the bio-climatic gradient. The EFUs showed strong correspondence to 14 land-cover types in Europe and the selected remote sensing metrics explained 86% of the variation in the land-cover classes. These results show that remote sensing derived parameters have tremendous potential for the quantification of ecosystem functional dynamism. Phenological and productivity metrics offer an indicator system for ecosystems that climatic indicators alone cannot manifest. Their potential to monitor the spatial pattern, status and inter-annual variability of ecosystems and vegetation cover can deliver reference status information for future assessments of the impacts of human or climate change induced ecosystem changes. (C) 2012 Elsevier Ltd. All rights reserved.


英文关键词Ecosystem functional units Remote sensing Phenology Productivity Gradient analysis CART
类型Article
语种英语
国家Italy
收录类别SCI-E
WOS记录号WOS:000314201700003
WOS关键词DIFFERENCE VEGETATION INDEX ; LAND-SURFACE PHENOLOGY ; CLIMATE ; TRENDS ; DESERTIFICATION ; DEGRADATION ; VARIABILITY ; GREENNESS ; REGION
WOS类目Biodiversity Conservation ; Environmental Sciences
WOS研究方向Biodiversity & Conservation ; Environmental Sciences & Ecology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/176727
作者单位EC Joint Res Ctr JRC, Land Resource Management Unit, I-21020 Ispra, VA, Italy
推荐引用方式
GB/T 7714
Ivits, E.,Cherlet, M.,Mehl, W.,et al. Ecosystem functional units characterized by satellite observed phenology and productivity gradients: A case study for Europe[J],2013,27:17-28.
APA Ivits, E.,Cherlet, M.,Mehl, W.,&Sommer, S..(2013).Ecosystem functional units characterized by satellite observed phenology and productivity gradients: A case study for Europe.ECOLOGICAL INDICATORS,27,17-28.
MLA Ivits, E.,et al."Ecosystem functional units characterized by satellite observed phenology and productivity gradients: A case study for Europe".ECOLOGICAL INDICATORS 27(2013):17-28.
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