watershed management homework
2017-04-06 08:50:04 0 举报
水土保持管理作业是一种关注于保护和改善自然环境,特别是土壤和水资源的学术任务。这项任务要求学生研究和理解水循环、侵蚀过程以及如何通过科学的方法和技术来预防和控制这些过程。作业可能包括研究不同类型的土壤侵蚀,如风蚀、水蚀和冰蚀,以及它们对土地和水资源的影响。此外,学生还需要探讨各种水土保持策略,如植被覆盖、梯田耕作和建设防洪设施等。这项作业旨在帮助学生认识到保护环境和自然资源的重要性,以及每个人在维护地球健康中的角色。通过这项作业,学生不仅可以提高他们的研究技能,还可以增强他们的环保意识。
作者其他创作
大纲/内容
Increase soil losses
sufficientrainfall
benifit
Shifting Cultivation
Increase soil erosion
Stream-channel degradation
Sedentary Agriculture
practices
Dams and Reserviors
Plant the agriculturalcrops
Improve water intake
Compactsoil surfaces
Soil fertilitydeclines to a limiting point
insufficient unsustainble
functions
Livestock Production
Mutiple cropping
moveto anotherplace
sufficient sustainbale
Agrosilvipastoral Practices
One crop a year
Burn the remaining vegetation
Reduce stocking rate
both nomal
Disrupt watershed hydrologic function
Clear trees
Interactions of Land Uses
Severe soil erosion
Silvopastoral Practices
ForestryActivities
Agrisivicultural Practices
harm
Damage soil structure
Agricultural Cropping
Maintain the delicate ecological balance
Reduce infiltration
Facilitate increased accessibilityto remote parts
Roads and other Transportation Corriders
Increase overland flows
Regulate water flow
Fire to convert to agricultural croplands orlivestockpastures
DispersedLivestock Grazing
cycle
Sustain the welfare of watershed inhabitants
Good soil fertility
Urban Development
Increase soil organic matter
Reduce surface erosion
more humid regions
Affect downstream water quality and aquatic ecosystems
ConfinedLivestock Grazing
Increase exploitation of natural resources
AgroforestrySystems
Overstocking livestock
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