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2010•Prataculture & Animal HusbandryRequires access

Study on Grassland Resources Survey and Its Dynamic Changes in Qinghe County

Hongjiang Zhang

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Abstract

The 3S technology was used to survey the grassland resources in qinghe county in 2006,and the survey results was compared with the 1980’s the background data and analyzed.The results showed that over the past 20 years,natural grassland group structure deteriorated,the grassland forage productivity declined by 33.7%,grassland carrying capacity was also decreased correspondently.

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What this paper is about

The 3S technology was used to survey the grassland resources in qinghe county in 2006,and the survey results was compared with the 1980’s the background data and analyzed.The results showed that over the past 20 years,natural grassland group structure deteriorated,the grassland forage productivity declined by 33.7%,grassland carrying capacity was also decreased correspondently.

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Available abstract

The 3S technology was used to survey the grassland resources in qinghe county in 2006,and the survey results was compared with the 1980’s the background data and analyzed.The results showed that over the past 20 years,natural grassland group structure deteriorated,the grassland forage productivity declined by 33.7%,grassland carrying capacity was also decreased correspondently.

Key concepts: Grassland, Forage, Productivity, Geography, Agroforestry, Forestry, Environmental science, Ecology

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