Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1007/s10113-015-0848-4 |
Human factors explain the majority of MODIS-derived trends in vegetation cover in Israel: a densely populated country in the eastern Mediterranean | |
Levin, Noam | |
通讯作者 | Levin, Noam |
来源期刊 | REGIONAL ENVIRONMENTAL CHANGE
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ISSN | 1436-3798 |
EISSN | 1436-378X |
出版年 | 2016 |
卷号 | 16期号:4页码:1197-1211 |
英文摘要 | Land cover and land use changes can result from climatic variability and climate changes, as well as from direct and indirect human drivers, such as growth in population and consumption. In this study, we aimed to examine whether major factors driving landscape changes (expressed in vegetation cover) in Israel, a densely populated country in the eastern Mediterranean Basin, are related to physical drivers or to human causes. To this end, we calculated statistical trends in the Normalized Difference Vegetation Index (NDVI-a spectral index representing vegetation cover) from a 14-year MODIS time series, between 2000 and 2014, to identify areas where vegetation cover has either increased or decreased. We chose 125 study areas where statistically significant changes in NDVI were found and used time series of monthly rainfall, Landsat images, Google Earth images and environmental GIS layers to identify the type and cause of landscape changes. The two most common general classes driving land cover changes were agricultural (56 of 125; expansion of agricultural areas or change in agricultural crops) and urban (28 of 125; urban expansion or urban greening). Other important drivers of landscape changes included forestry, woody encroachment, wildfire dynamics and water management. Climate variability was found to explain landscape changes in only 3 of the 125 study areas, all located in the transition zone between the desert and the Mediterranean climate regions of Israel, where a decrease in rainfall led to a decrease in NDVI values. NDVI as an indicator of landscape changes is not effective to detect changes in non-photosynthetic vegetation or to monitor changes in forests where leaf area index values are high. However, we show here that even in a highly heterogeneous and densely populated country, MODIS-derived time series of NDVI are informative to identify landscape change processes. |
英文关键词 | Remote sensing Land use Land cover NDVI Human factors Climatic variability Rainfall |
类型 | Article |
语种 | 英语 |
国家 | Israel |
收录类别 | SCI-E ; SSCI |
WOS记录号 | WOS:000373310600023 |
WOS关键词 | LAND-USE ; TEMPORAL PATTERNS ; COASTAL DUNES ; INDEX NDVI3G ; FOREST ; VARIABILITY ; RESOLUTION ; LANDSCAPE ; RAINFALL ; GIMMS |
WOS类目 | Environmental Sciences ; Environmental Studies |
WOS研究方向 | Environmental Sciences & Ecology |
来源机构 | Hebrew University of Jerusalem |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/195917 |
作者单位 | Hebrew Univ Jerusalem, Dept Geog, IL-91905 Jerusalem, Israel |
推荐引用方式 GB/T 7714 | Levin, Noam. Human factors explain the majority of MODIS-derived trends in vegetation cover in Israel: a densely populated country in the eastern Mediterranean[J]. Hebrew University of Jerusalem,2016,16(4):1197-1211. |
APA | Levin, Noam.(2016).Human factors explain the majority of MODIS-derived trends in vegetation cover in Israel: a densely populated country in the eastern Mediterranean.REGIONAL ENVIRONMENTAL CHANGE,16(4),1197-1211. |
MLA | Levin, Noam."Human factors explain the majority of MODIS-derived trends in vegetation cover in Israel: a densely populated country in the eastern Mediterranean".REGIONAL ENVIRONMENTAL CHANGE 16.4(2016):1197-1211. |
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