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Displaying 916 - 920 of 1605Assessing the benefits and costs of dryland forest restoration in central Chile
Investment in natural capital restoration is increasing as a response to the widespread ecological degradation of dryland forests. However, finding efficient mechanisms to promote restoration among private landowners is a significant challenge for policy makers with limited financial resources. Furthermore, few attempts have been made to evaluate the costs and benefits of restoration interventions even though this information is relevant to orient decision making.
Linking biotopes to invertebrates in rivers: Biological traits, taxonomic composition and diversity
There is a long tradition of river monitoring using taxonomy-based metrics to assess environmental quality in Europe via benthic macroinvertebrate communities. A promising alternative is the use of their species life-history traits. Both methods (taxonomy-based and trait-based), however, have relied on the time-consuming identification of taxa. River biotopes, (i.e.
free and open source programming library for landscape metrics calculations
Landscape metrics are used in a wide range of environmental studies such as land use change and land degradation studies, soil erosion and run-off predictions, management of hunting communities, and strategic planning for environmental management, to name just a few. Due to their utility for a variety of applications, there are many indices and software packages that have been designed to provide calculations and analysis of landscape structure patterns in categorical maps.
Prediction of flowing water pollution on the basis of landscape metrics as a tool supporting delimitation of Nitrate Vulnerable Zones
The poor water condition in agricultural watersheds in Poland provides evidence of a major impact of this sector on water quality, especially with regard to nutrients. What is specific about Polish agriculture, especially in the Wielkopolska region, is a large area of arable land and a high concentration of point sources. The outflow from these sources is very changeable and depends strongly on weather conditions, in particular precipitation. Therefore, it is very difficult to measure the runoff from those sources.
Traditional forest knowledge of the Yi people confronting policy reform and social changes in Yunnan province of China
The Yi minority group has a long history, and their livelihoods and culture exist in complex, holistic interrelationship with forests. This paper aims to document the dynamic, traditional forest knowledge (TFK) of the Yi, including: forest categorization methods; routine forest utilization; land tenure and use-right arrangements; benefit-sharing mechanisms; customary regulations; and forest-related beliefs. Our analysis is based on rapid investigations conducted in two dozen Yi ‘natural villages’ and in-depth studies of three Yi natural villages in Nanhua County, Yunnan.