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Showing items 71803 through 71811 of 73379.This paper explores the impact of the re-introduction of access restrictions to forests in Tanzania, through participatory forest management (PFM), that have excluded villagers from forests to which they have traditionally, albeit illegally, had access to collect non-timber forest products (NTFPs
Land cover maps obtained from classification of remotely sensed imagery provide valuable information in numerous environmental monitoring and modeling tasks. However, many uncertainties and errors can directly or indirectly affect the quality of derived maps.
A set of landscape metrics is used to study the long-term environmental transformation of a typical coastal Mediterranean area from 1850 to 2005. Our figures show a dramatic environmental deterioration between 1950 and 2005.
This paper advances an empirical model assessing how, over both time and space, changes in land-use respond to changing economic and ecological conditions.
Conversion of agricultural lands to mixed species woody plantings is increasingly being undertaken as a means of sequestering C and increasing biodiversity.
Earth observation based monitoring of change in vegetation phenology and productivity is an important and widely used approach to quantify degradation of ecosystems due to climatic or human influences.
The questions of use of agricultural land, secure land ownership rights, orders it, as well as the legal registration of landboundaries.
Hazánkban az 50 hektár feletti gazdasági szervezetek átlagosan hasznosított me¬zőgazdasági területe 650 ha, ami közel hatszorosa az 50 ha feletti egyéni gazdaságok átlagos területének (114 ha), míg a 650 gazdaságban ez a különbség hússzorosra nö¬vekszik, melyek összesen 1,4 millió hektáron 2,1 ez
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