ravine forest 中文意思是什麼
ravine forest
解釋
狹谷林-
In a wild ravine high in the carpathian mountains, wan light diffused through yellowing leaves shows a meandering forest path.
在喀爾巴阡高山上的一處蠻荒的深谷里,透過正在枯黃的樹葉照射下來的蒼白的陽光照亮了一條羊腸小道。 -
With the comparison of potential ravine and real ravine, it can reflect the developing tendency of ravine in this area. through positioning with gps and investigation in this area, we can divide the potential ravine of this area into three forms, that is parallel ravine area steep ripe ravine area and evenness swamp area. it can provide scientific reference for forest management and tree planting, and it is a new theory to prevent soil and water loss, and carry through the ravine controlling by people
在數字化生成的帽兒山地區dem基礎上,通過二次開發生成的潛在溝系,具有與現實溝系高度的吻合性,並通過與現實溝系的比較,能客觀的反映出該地區溝系發生、發展的趨勢,藉助于gps的定位及實際踏查研究,可將帽兒山地區的潛在溝系劃分為平行溝系區、陡坡顯溝區和平坦沼澤區三種類型,可為合理的森林經營和植樹造林提供科學的借鑒,並為防止水土流失,進行溝系治理提供了新的理論依據。 -
Study on the models of conversion of cropland to forest and grassland in dry hot and arid river valley subregions hilly ravine subregions of loess plateau
乾熱乾旱河谷區和黃土丘陵溝壑區退耕還林還草模式初步研究
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