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Displaying 1041 - 1045 of 1605Is the abandonment of traditional livestock farming systems the main driver of mountain landscape change in Alpine areas?
Agricultural land abandonment and the consequent natural forest regrowth in areas once cultivated has significantly transformed Alpine ecosystems and landscapes. In this paper, we estimated the loss of agricultural areas due to reafforestation in the Belluno Province (Eastern Italian Alps) and integrated socioeconomic indicators with topographical features to evaluate the drivers of this change.
Contribution of cork oak plantations installed after 1990 in Portugal to the Kyoto commitments and to the landowners economy
Cork oak stands are a part of the agroforestry ecosystem in Portugal, characterized by a low crown cover from cork oak trees, managed towards cork production, and sometimes in combination with grazing. In recent years, European Union policies gave impetus to a large area of new cork oak plantations, which have been established mainly for cork production purposes, and consequently with higher stand density than traditional agroforestry systems.
Cattle-raising and public credit in rural settlements in Eastern Amazon
The practice of raising cattle in the Amazon has been connected to deforestation, which has been especially intense in the Eastern Amazonian state of Pará that contained 23% of new rural settlements before 2008. The settlements were part of a program of land reform that allowed farmers to receive public credit. Public credit aims to increase production and incorporation of new technologies by settled farmers, which can lead to a decrease in pressure on forested areas.
Behavioural context of multi-scale species distribution models assessed by radio-tracking
Incorporating ecological processes and animal behaviour into Species Distribution Models (SDMs) is difficult. In species with a central resting or breeding place, there can be conflict between the environmental requirements of the ‘central place’ and foraging habitat. We apply a multi-scale SDM to examine habitat trade-offs between the central place, roost sites, and foraging habitat in Myotis nattereri. We validate these derived associations using habitat selection from behavioural observations of radio-tracked bats.
simulation of water markets with transaction costs
Most theorists regard transaction costs as one of the key lenses to understand the water rights market. This paper proposes a theoretical model of water rights trading with transaction costs according to the idea of costs minimization. Applying the model to the Yellow River Basin (YRB), we evaluate the potential of investment savings from introducing the trans-jurisdictional water market to achieve the water-saving targets of agricultural and industrial sectors.