grassland ecosystems 中文意思是什麼
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The degraded ecosystems include : > 25 dry land, mountain dry land, low density forest, grassland of low cover rate or moderate cover rate, all of which are the sources of soil and water loss. the low intensity of soil and water loss accounts for 55 % of the project area, the moderate for 23 %, and fierce for 12 %
早地、山區早地、疏林地以及低、中覆蓋度草地，也是水土流失主要的策源地;其水土流失的強度也表現出微度侵蝕占項目區的55 % ，中度侵蝕佔23 % ，強度侵蝕佔12 % 。 -
Some scientific problems for the relationship between locust diversity and the sustainable development of grassland ecosystems
關于蝗蟲多樣性與草原生態系統可持續發展的若干科學問題 -
According to china ' s grassland ecosystems and the development of animal husbandry, a case study in wulat middle banner pastoral areas of inner mongolia region, put forwards to the irrigated areas, small towns, and outside the banner the " shrink - shift " strategy, and put forwards to the proposed measures and suggestions in property rights, environment, investment, environment and other aspects
摘要本文根據我國牧區草原生態系統和草原畜牧業的發展現狀，以內蒙古烏拉特中旗牧區為例，提出了向灌區、小城鎮、旗外的「收縮轉移」戰略，並從產權、生態、投入、環境等方面提出了對策和建議。 -
As such, it is important to research the sources and sinks of greenhouse gases in natural grassland ecosystems in order to highlight options which can be employed to mitigate the problem
對放牧家畜甲烷氣體排放的研究可以為確定天然草原溫室氣體的源與匯和制訂減緩策略提供重要的理論依據。 -
From the remote sensing information of huhhot, landscape and ecosystems damaged are very serious. it is showed that farmland, grassland, wetland and urban landscape and ecosystem are damaged by desterification, soiland water loss, salinization pollution and species reduction. so recovery and re - building of landscape ecosystems are fundamental ways to thorough improve ecological environment in huhhot
從衛星遙感解譯信息了解，呼和浩特市景觀與生態系統受損較為嚴重，主要表現為農田、草原、濕地、城鎮等景觀與其它生態系統受到沙化、水土流失、鹽漬化、污染以及物種減少等方面的損害.通過合理規劃、分區分類恢復重建和建設自然保護區、生態示範區、開發潛在資源等措施，可以逐步改善呼和浩特市地區的生態環境
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