| 31. | His collaboration with Piers Blaikie produced one of the key political ecology texts,'Land Degradation and Society'in 1987.
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| 32. | It is a significant driver of biodiversity loss, as it causes deforestation, land degradation, pollution, and overfishing.
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| 33. | Land degradation is a critical agricultural problem, caused by inappropriate use of agricultural land, overgrazing, or over-fertilization,.
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| 34. | Fluctuations in the weather could put additional stress on fragile farming systems, making land degradation more likely.
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| 35. | Since mid 20th century, large-scale open-pit mining compounded matters, causing severe land degradation in vast mountain areas.
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| 36. | Another agricultural effect is on land degradation.
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| 37. | In addition to soil contamination and general land degradation, Tanzania has a long history of water mismanagement.
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| 38. | The continued impact of human activities on land causes land degradation, which is harmful for human and socio-economic environment.
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| 39. | For example, poverty has been proposed as a driver of dry land degradation, but studies continuously find contradictory evidence.
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| 40. | Major land degradation problems of soil salinity and waterlogging result, combined with increasing levels of salt in surface waters.
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