نتایج جستجو برای: saline rangelands

تعداد نتایج: 54010  

Journal: :Rangeland Journal 2021

Small ruminant farming is the main rural occupation in mountain areas of Morocco. This activity subject to numerous pressures, including repeated climatic hazards that modify pastoral resource availability and trigger changes production systems. study aimed identify analyse utilisation resources acknowledged by farmers over past 40 years for small systems Central High Atlas region We hypothesis...

Adverse changes in rangeland vegetation can be considered as one of the criteria for land degradation. Some of these changes can be evaluated through monitoring the spatial changes of landscape parameters. This study aimed to investigate the landscape changes in Kezab rangelands of Yazd province, central Iran. Landsat satellite images of 1990, 2002, and 2013, and landscape metrics including Tot...

Journal: Desert 2018
A. Ahmadi, A. Kazemi H. Toranjzar

Soil salinity phenomena are one of the main problems of arid and semi-arid lands. Saline soils constitute a huge part of Iran, and also threaten its neighboring lands. Therefore, in order to optimum exploitation of such soils, qualitative monitoring is necessary. Recently, remote sensing techniques have been increasingly applied in monitoring soil characteristics. The present study was carried ...

1999
Charlotte Boyd Roger Blench David Bourn Liz Drake Peter Stevenson

From the perspective of local livelihoods this paper explores the complex interactions between wildlife, livestock and people, and options for integrated wildlife and livestock management in the semi-arid rangelands of eastern Africa. The paper draws on the sustainable livelihoods approach which explicitly considers whether households have access to the assets required to engage in an activity,...

Journal: :Journal of Range Management 1974

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