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destruction of forests for firewood and charcoal and agricultural colonization ... expansion of agriculture into areas not ecologically viable ( arid steppes , steep slopes ) , destroying the natural vegetation cover and greatly contributing to wind and water erosion of the soil ; overgrazing of natural pastures by sheep and goats , with increasing negative selection of noxious plant species and of annual over perennial plants ; and the trampling and compacting of soils and removal of bushy or slightly ligneous species for fuelhave contributedto the impoverishment and destruction of natural vegetation
deforestation(passive) is primarily caused byDestruction of natural vegetation
Afforestation work on the contraryhas ledto destruction of natural vegetation
JF3355 ( an authorized OHV trail ) , an area where illegal incursions had occuredcreatingan unsightly path and destroyed natural vegetation
The massive human presence of camping holiday makers and fishermenleadsto ruderalisation and destruction of the natural psammophytic vegetation
The increased human populationhas ledto the destruction of natural vegetation
grow fodder for their livestockpreventingovergrazing and destruction of the vegetation
Military manouvrescausetrampling and destruction of the vegetation
so that they do not linger in one spotcausingovergrazing and destruction of vegetation
in a decrease in the annual water yield due to a decline in stream flow discharge of most rivers from the Mau forest complexhas resultedin a decrease in the annual water yield due to a decline in stream flow discharge of most rivers from the Mau forest complex
agricultural fields(passive) have been created byagricultural fields
to a change in climatic conditionsleadsto a change in climatic conditions
to poorer air quality and the creation of “ heat islands ” and wind tunnels , as well as displacing wildlifeis leadingto poorer air quality and the creation of “ heat islands ” and wind tunnels , as well as displacing wildlife
3 Mosaic(passive) is composed3 Mosaic
out in Section 8.1.4.1setout in Section 8.1.4.1
landslides and gully erosion , providing more material than the river can carry awaycan causelandslides and gully erosion , providing more material than the river can carry away
in a decrease in The phrasehas resultedin a decrease in The phrase
to shortages of lumber , fuel , and iron ( 248 - 52ledto shortages of lumber , fuel , and iron ( 248 - 52