نتایج جستجو برای: overgrazing

تعداد نتایج: 517  

Journal: :journal of agricultural science and technology 0
h. asadi department of soil science, faculty of agricultural engineering and technology, university of tehran, karaj, islamic republic of iran. m. honarmand department of soil science, faculty of agricultural sciences, university of guilan, rasht, islamic republic of iran. m. vazifedoust department of soil science, faculty of agricultural sciences, university of guilan, rasht, islamic republic of iran. a. moussavi department of soil science, faculty of agricultural sciences, university of guilan, rasht, islamic republic of iran.

risk assessment of soil erosion, one of the most important land degradation problems worldwide, is very essential for land and water resources management, and development of soil conservation methods. in the present study, the temporal changes of soil erosion risk were assessed from 1987 to 2010, based on the revised universal soil loss equation (rusle) using remote sensing (rs) and geographic ...

2011
Susan Ilyin

Executive Summary Livestock in Ethiopia has an important economic, functional, and cultural significance. Various functions of livestock include dairy production, meat production, draught labor and transportation. Economically, livestock production accounts for nearly 80% of farmer income 1 in the country. In addition, livestock serves as a “savings account” or a way of building assets. Cultura...

2016
P. E. Campana A. Olsson J. Zhang J. Liu F. Kraxner H. Li J. Yan

Grassland plays a key role for the food security of China because of the large number of livestock raised in those areas. Thus, grassland degradation due to climate change and overgrazing is considered as one of the most severe environmental and economic threat for the future sustainable development of China. Photovoltaic water pumping systems for irrigation can play a fundamental role for the ...

2010
Kensuke KAWAMURA Tsuyoshi AKIYAMA

In the arid and semi-arid regions of Northeast Asia, grassland degradation has become a major environmental and economic problem, so sustainable utilization of resources is crucial in terms of not only supporting the local and animal production but also thinking about the global environment. Especially in Mongolia and North China, grassland degradation has mainly been induced by artificial fact...

Journal: :Sustainable Environment 2021

Grasslands are coming under ever-increasing pressure worldwide. Many grasslands degraded due to overgrazing and inappropriate land management. This is impacting belowground biology soil bio...

Journal: :Land Degradation & Development 2021

Araucaria araucana is an iconic long-lived endangered tree species native to Southern Chile and Argentina. forests soils provide a myriad of ecosystem benefits local communities, which are threatened by increasing anthropic-driven disturbances like fire livestock overgrazing. The main objectives this study were: (i) evaluate the effect uncontrolled grazing on soil health; (ii) identify set sens...

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