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… soils and tailings, it may be re-mobilized by leaching and erosion. In addition, mining may disturb mercury- containing … than would otherwise have become available from natural erosion. A key factor in these processes is the local … or intermediate, to determine the relative importance of erosion. The tropical and subtropical countries which have …

… small in relation to the scale of an ecosystem (e.g. local erosion within a river basin or a minor development within an … floods - coastal stabilisation (against accretion / erosion) - soil protection - suitability for human settlement … / retention capacity - protection against water erosion - protection against wave action - prevention of …

… depends on nature’s pollination, pest control and erosion regulation services; while tourism builds on cultural … regulation – regional and local � Water regulation +/- Erosion regulation � Water purification and waste treatment � … tourism and lower property values caused by beach erosion, coastal dead zones and coral reef degradation. …

… in order to reduce crop vulnerability and genetic erosion. Box 1.1 below provides an example of genetic … Information regarding the threat from and rate of genetic erosion among various components of agricultural biodiversity … impacts of climate change, are main drivers of genetic erosion. l CWR provide genetic variability that can be …

… of the upper watersheds and of river banks has lead to erosion and flooding and reduced capacity of the watersheds … are extremely vulnerable as strong rains combined with erosion can cause destruction of entire crops. The population … water and larger-scale farming has degraded the land. Soil erosion resulting from unregulated land use change has …

… activities and habitation patterns, such as: (i) soil erosion caused by wind and/or water; (ii) deterioration of … flood or ice conditions, water-borne diseases, siltation, erosion, salt-water intrusion, drought or desertification. … in particular, endeavour to take steps to prevent soil erosion and other forms of degradation, and promote measures …

… landslide reduction) • Soil protection and control of erosion and sedi- mentation • Control of surface and … of water flows Hazard mitigation Control of soil erosion and sedimentation Water purification Wildlife habitat … Regulation of flow Hazard mitigation Control of soil erosion & sedimentation Water purification Wildlife habitat …

… value of ecosystem services such as water purification and erosion control. Recognition of the extent and severity of … primarily related to water quality or water quantity. Soil erosion, sedimentation and nutrient outflow affect water … at which a lake ages depends on several factors, including erosion and climatic changes. Moreover, a lake may gradually …

… one-third of the world’s arable land has been lost to erosion and continues to be lost at a rate of more than 10 … 9. Pimentel, David: Soil Erosion: A food and environmental threat, p.1. …

… grazing by mobile pastoralists can also reduce soil erosion and facilitate water retention by promoting pasture … the expansion of lichen-covered soils which has increased erosion and reduced water penetration to the soil inhibiting … production in the rangelands is often associated with soil erosion, degradation of vegetation, bush encroachment, carbon …