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Displaying 726 - 730 of 1605Water quality in agricultural lands draining to the Great Barrier Reef: A review of causes, management and priorities
The environmental consequences of agriculture are of growing concern. One example of these consequences is the effect of agricultural pollutants on the Great Barrier Reef (GBR), a world heritage-listed ecosystem lying off the tropical north-eastern coast of Australia. Pollutants from agricultural lands (fine sediments and attached nitrogen (N) mainly from grazing lands, and dissolved N and pesticides mainly from cropping) in catchments draining into the GBR lagoon threaten the health and resilience of this ecosystem.
Mapping of mangrove forest land cover change along the Kenya coastline using Landsat imagery
Mangroves in Kenya provide a wide range of valuable services to coastal communities despite their relatively small total area. Studies at single sites show reductions in extent and quality caused by extraction for fuel wood and timber and clearance for alternative land use including saltpans, aquaculture, and tourism. Such studies suggest that Kenyan mangroves are likely to conform to the general global trend of declining area but there are no reliable recent estimates of either total mangrove extent or trends in coverage for the country.
Patterns and causes of land change: Empirical results and conceptual considerations derived from a case study in the Swabian Alb, Germany
Land-use and land-cover change profoundly affect human well-being and, therefore, have become a major topic for society. A thorough understanding of past and present processes transforming landscapes is essential for guiding future developments toward the sustained provision of the ecosystem services humans critically depend upon. Drawing on the driving forces and resilience frameworks, we identify possible variables and patterns of land change, connecting them to empirical findings in three case study areas in the Swabian Alb region, southwestern Germany.
Analysis of EU support for managed succession of agricultural land in the Czech Republic
The article presents a comparison of EAFRD support for afforestation of agricultural land (managed succession) in the years of 2007–2013 and model costs required to compensate for both operational inputs and agricultural income forgone when establishing woodland on agricultural land in the Czech Republic. The aim was to investigate whether the blanket support rates for the afforestation of agricultural land are sufficient to cover the associated costs in a wide range of site conditions. Costs were calculated for 43 groups based on forest typology.
Farmers’ decisions to adapt to climate change under various property rights: A case study of maize farming in northern Benin (West Africa)
Making the assumption that property rights might determine whether farmers adopt particular strategies, this study aims at modelling farmers’ decisions to adapt to climate change by focusing on their property rights – declined as institutional arrangements on land and rights on land – as well as their socio-economic and demographic characteristics. The case study took place in northern Benin (West Africa). In this zone, 308 farmers producing maize and adapting to climate change were randomly sampled.