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草地改良对陆地生态系统养分的影响——以福建省建瓯市牛坑龙草地生态系统试验站为例(英文)

This paper studies the effects of land cover changes on distributions and circulations of nutrients in a terrestrial ecosystem, taking Jianou Niukenglong Grassland Ecosystem Experimental Station as a case study. During a two year experiment from 1994 to 1996, the land cover types were changed from desert slopeland to grasslands, in particular, Chamaecrista rotundifolia(pers) green + Pasalum thunbergii and Glycine max  (本文共10页) 阅读全文>>

《Chinese Geographical Science》2020年04期
Chinese Geographical Science

Estimation and Spatio-temporal Patterns of Carbon Emissions from Grassland Fires in Inner Mongolia, China

Grassland fires results in carbon emissions, which directly affects the carbon cycle of ecosystems and the carbon balance. The grassland area of Inner Mongolia accounts for 22% of the total grassland area in China, and many fires occur in the area every year. However, there are few models for estimation of carbon emissions from grassland fires. Accurate estimation of direct carbon emissions from grassland fires is cr...  (本文共16页) 阅读全文>>

《Animal Husbandry and Feed Science》2017年02期
Animal Husbandry and Feed Science

History,Current Status and Trends of the Investigation for Grassland Plant Resources at Home and Abroad

The existing main problems in the investigation for grassland plant resources are found out by systematically analyzing the history,current status and development trends of the investigation for grassl...  (本文共5页) 阅读全文>>

《阅读》2017年Z4期
阅读

袋鼠

学名:Kangaroo种属:Macropididae(袋鼠科)身高:about 2.6 meters体重:70-90 kilos居住地:gras...  (本文共1页) 阅读全文>>

权威出处: 《阅读》2017年Z4期
《阅读》2016年84期
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狮子

学名:Lion种属:Cat Family身高:3-3.5 meters体重:130-220 kilos居住地:dry forest(旱林)or grassland食谱:...  (本文共1页) 阅读全文>>

权威出处: 《阅读》2016年84期
《初中生》2017年24期
初中生

“草地”用英文怎么说

不论是在公园还是道路旁边,郁郁葱葱的草地是我们经常能看到的。常见的"草地"用英文怎么表达呢?1.Grassland/′ɡr藁:sl覸nd/意为"草原;草地",泛指野外非人...  (本文共1页) 阅读全文>>