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- natural vegetation cover 天然林草植被
- The vegetation cover of Jiufu Mountain in Youxi County were studied. 本文对福建尤溪九阜山自然保护区植被进行初步研究。
- Semi arid climate, poor vegetation cover and highly erodible loess can be regarded as the main natural factors responsible for the formation of hyperconcentrated flows in the Loess Plateau, China. 黄土高原半干旱的气候条件、稀疏的植被和疏松易蚀的黄土物质,是该地区高含沙水流形成的自然地理因素。
- There is a great contrast between nutrient cycles in natural vegetation and the nutrients involved in growing an arable crop. 天然生长的植物与人工栽培的作物在营养循环方面有很大的差异。
- Natural vegetable fibres are all cheap. 天然植物纤维都便宜。
- The warm climate of the southwest makes its mountains green and its waters emerald; the vegetation cover is lush. 温和的气候使 它山青水绿、植被丰茂,
- The natural vegetation consisted of evergreen broad-leaved forest ever-green bushland, mangrove thickets and grassland. 该地天然植被有常绿阔叶林、丛、树林、坡等。
- Predation risk, habitat type and vegetation cover are factors which affect animal dispersal of seeds. 捕食风险、生境类型、植被盖度均影响动物对种子的扩散。
- Exotic plants significantly impacted the landscape, resulting in degradation of the natural vegetation. 由于自然植被被严重破坏,岛屿上外来入侵种形成了较大的灾害。
- Over-grazing has damaged the vegetation cover of this area, and the land is beginning to show signs of desertification. 过度的放牧使该地区被覆遭到破坏,土地开始荒漠化。
- Functions: the goods with Manzanilla and other natural vegetation regeneration cream. 功能:本品含洋甘菊等多种天然植物淬取精华。
- The result show: the vegetation cover is very low in Huanjiang, dongchuan, Puhe ect. 结果表明:流域北部的环江、东川、蒲河等子流域植被覆盖程度普遍较低,需要重点保护;
- The natural vegetation consisted of evergreen broad-leaved forest ever-green bushland,mangrove thickets and grassland. 该地天然植被有常绿阔叶林、灌丛、红树林、草坡等。
- Jieda Gynaecological Lotion is made of natural vegetation extracts, aiming at female's special needs. 洁达妇科洗液采用纯天然植物提取物、针对女性生理特点精心配制而成。
- Soil-cut slopes on hillside shall be minimised to reduce the visual impact and then planted up to re-establish the vegetation cover that was removed. 须尽量减少在山边开拓泥土削坡以减轻对景观的影响,并须随后栽种植物,使因工程而被清除的植物得以恢复原貌。
- Rich in vitamins, vegetable oil and natural vegetable fruity. 丰富天然维他命、纯植物精油及添加天然植物和水果。
- Vegetation cover maps of three different years (e.g. 1989, 1997 and 2003) were derived from the Landsat TM images for the city of Shanghai. 通过TM影像解译,获取上海市1989、1997和2003年共3个时期的植被分布,构造植被变化轨迹,分析轨迹的空间格局;
- Nongzhong loess hilly region is a brittleness ecology environment with a sparse vegetation cover and severe soil erosion. 陇中黄土丘陵区生态环境脆弱,历史时期人为活动强烈,导致生态环境退化与农牧交替频繁。
- It is probably the ultimate channel for bringing the scourge of sand under permanent control to change from artificial vegetation to natural vegetation as soon as possible. 人工植被尽快向大面积天然植被过度,也许是根治沙害的终极途径。
- The evaluation on stony desertification sensitivity mainly considered the factors of topography,geomorphology and vegetation cover. 石漠化敏感性评价主要考虑了地形、地貌、植被盖度因素;