Matrix of environmental risks in ranching and farming temperate grazing sub-system - LGT3

Resource base | Risks and opportunities | Underlying factors
Land Soil structure | (-) Erosion | Excessive grazing, animal trampling
Land . Soil fertility | (+) Increasing nitrogen content | Introduction of legumes in pastures
Water Quality | (-) Chemical pollution | Inappropriate use of pesticides and chemicals for weed control
Biodiversity Vegetation structure | (+) Maintenance of vegetal structure and landscape | Good grazing management
(-) Excessive increase of tree and shrub density | Excessive grazing : reduction of grass competition
(-) Reduction of wildlife and habitats | Competition for food and space between domestic animals wildlife
(+) Improvement of wildlife diversity | Maintenance of natural and semi-natural ecosystems

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