Spatiotemporal Dynamics of a Paramo Ecosystem in the Northern Ecuadorian Andes 1988-2oo7

Paramo is a term used to describe tropical alpine vegetation between the continuous timberline and the snow line in tbe Northern Andes. Paramo environments provide important species habitat and ecosystem services. Changes in spatial extent of the paramo ecosystem at Pambamarca in the Central Cordill...

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Veröffentlicht in:山地科学学报:英文版 2014 (3), p.708-716
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description Paramo is a term used to describe tropical alpine vegetation between the continuous timberline and the snow line in tbe Northern Andes. Paramo environments provide important species habitat and ecosystem services. Changes in spatial extent of the paramo ecosystem at Pambamarca in the Central Cordillera of the northern Ecuadorian Andes were analysed using multi-temporal Landsat TM/ETM+ satellite data. The region suffered a loss of 1826.6 ha or 20% of the total area at a rate of 100 ha/annum during 1988-2007 period. It is found that permanent paramo cover decreased from 8350 ha in 1988 to 5864 ha in 2007 at a fairly constant rate (R^2=0.94). This loss is attributed to expansion of commercial agriculture and floriculture in the valleys coupled with increased population pressure. Land at higher elevations has been cleared for small scale agriculture. Loss of the paramo ecosystem will exert a number of negative impacts on ecosystem services and livelihoods of the local population at Pambamarca.
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1993-0321
language eng
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source Alma/SFX Local Collection; SpringerLink Journals - AutoHoldings
subjects Landsat
厄瓜多尔
安第斯山脉
时空动态
生态系统服务
空间范围
规模农业
高山植被
title Spatiotemporal Dynamics of a Paramo Ecosystem in the Northern Ecuadorian Andes 1988-2oo7
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