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- 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。
- Maximum quantity of water capable of being lost, as water vapor, by a continuous stretch of vegetation covering the whole ground and well supplied with water. 在水分供应充足条件下,水分从盖满整片土地的植物中以蒸气形式流失的最高数量。
- The work shows distinctive layers of vegetation covering the high mountain of Shie-Pa, as well as the expansive forest that silently nurtures the thriving organisms. 作品表现层次分明的植被覆盖在雪霸的高山上,广披的林木默默的滋养孕育出生生不息的生命物种。
- Finally, laws of evapotranspiration and seepage are detailed proved andanalyzed considering various weather conditions, litho logy, vegetation covering andgroundwater level. 最后论证分析了不同气象条件、不同岩性、不同植被覆盖及不同地下水位下的蒸发入渗变化规律。
- To make prognosis of blind gold orebody in heavy vegetation covering area must have synthetic informations including geological,geochemical,geophysical information etc. 在严重植被覆盖区进行隐伏金矿体预测必须运用地质、地球化学、地球物理等综合信息。
- 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,
- 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。
- 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。
- 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;
- 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。
- 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。
- 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;
- Fractional Vegetation Cover (FVC) is an important ecology parameter, which is essential in the studies of hydrology, ecology and global variation. 植被覆盖度是重要的生态学参数,对水文、生态、全球变化等研究具有重大意义。
- Accurate and rapid monitoring of vegetation cover condition is a key factor in ecological restoring and building of river catchment. 摘要快速、准确的获取流域植被覆盖状况信息是进行生态恢复与建设的重点。
- Fractional Vegetation Cover (FVC) is an important ecology parameter, which is essential in the studies of hydrology, ecology, and global variation. 摘要植被覆盖度是重要的生态学参数,对水文、生态、全球变化等研究具有重大意义。
- In the western and other ecologically fragile areas, a type of ecological land development, increase vegetation cover, reduce wind affected. 在西部和其他生态脆弱地区,应进行生态型土地开发,增加植被覆盖面积,减少风蚀沙化。
- About 12 years after reforestation, the vegetation cover of the artifical Acacia auriculaeformis forest at the Shangyang Station reached 90% and erosion as on controlled. 选择大叶相思树人工造林加速了植被演替进程,控制了水土流失,12a左右植被覆盖度就达90%25左右。
- Satellites transmit copious information on temperatures, precipitation, vegetation cover and even the health, moisture content and chlorophyll-production of plants. 人造卫星发回大量关于气温,降水,植被覆盖率,甚至是植物健康状况,潮湿情况以及叶绿素产生情况的信息。
- Snow covered surfaces have a high albedo; the albedo of soils ranges from high to low; vegetation covered surfaces and oceans have a low albedo. 覆雪表面具有高的反射率;土壤的反射率由高到低变化较大;植被表面和海洋的反射率较低。