karst fens是什么意思

用法例句

Influence of Karst emigration region land use change on ecosystem service value—using Guangxi Huanjiang County as example;

喀斯特区土地利用变化对生态系统服务价值的影响——以广西环江县为例

Analysis on Karst rocky desertification in upper reaches of Pearl River based on remote sensing;

珠江上游喀斯特地区土地石漠化现状遥感分析

Fragility characters and ecological control strategy of Karst ecological environment in Guizhou—Taking Guizhou as case;

喀斯特生态环境脆弱性特征及其生态防治——以贵州省为例

Response of Soil Quality to Vegetation Succession in Karst Region;

喀斯特地区土壤质量对植被演替的响应特征研究

Rocky desertification in the karst region is related to stratum and lithology,incising of river,soil ero- sion,gradient and human activities,etc.

喀斯特地区土地的石漠化与地层岩性、河流切割、土壤侵蚀、坡度及人类活动等有关。

Using the daily precipitation data from March to May of 88 stations from 1951 to 2004 in the karst region of Yunnan and Guizhou Plateau(KRYGP),the indexes of the spring drought intensity(ISDI)are calculated.

利用1951~2004年54年88个站3~5月日降水量资料,计算云贵喀斯特地区春旱强度指数,对该区春旱强度指数时间序列进行小波分析,揭示云贵喀斯特地区春旱强度指数变化的多时间尺度的复杂结构。

Double-city water sources area is rich of karst water.

两城水源地具有较丰富的喀斯特水 ,根据长期观测资料 ,充分考虑水资源的各种补给和开采条件 ,应用水均衡原理 ,对其水资源量进行定量评价 ,获得允许可开采量 ,为工农业供水提供可靠依

On the basis of the field investigation and indoor integrated study,the authors present various evidence of the paleo-karst land - forms on top of the Maokou Formation,including rugged ancient erosion sur.

作者通过野外实地考察和室内综合研究首次系统地厘定上扬子西部茅口组顶部的古喀斯特地貌,其形态多种多样,包括起伏不平的古剥蚀面、溶蚀洼地、溶斗、峰林、溶丘、洞穴以及洞穴充填物和古剥蚀面上红壤土。

Lucas Beauchamp——Faulkner s Definitive Portrait of Negro;

路喀斯·布香——福克纳笔下最具确定意义的黑人形象(英文)