2) Houzhai drain
后寨流域
3) Nuerzhai watershed
女儿寨流域
1.
This paper makes a careful study of the characteristics of soil structure and its health evaluation in different forest restoration communities in Nuerzhai watershed.
对湘西女儿寨流域不同植被恢复类型的土壤结构特征研究和健康评价的结果表明:荒草灌丛容重最高,人工林土壤容重高于天然林及混交林;对土壤孔隙状况的改善作用表现为林分类型优于荒草灌丛类型,天然林优于人工林,0~20 cm土层优于20~40 cm土层;土壤团聚体平均重量直径以油桐人工林、杜仲人工林最高,马尾松天然林、毛竹杉木混交林其次,而润楠次生林、荒草灌丛、杉木人工林较低;各层土壤团聚体分形维数值大小排序为:毛竹杉木混交林>马尾松天然林>荒草灌丛、润楠次生林>杜仲人工林>油桐人工林>杉木人工林;土壤结构健康综合评价的灰色关联分析结果表明,土壤结构以荒草灌丛最差,油桐人工林最好,其余类型介于两者之间。
4) the Houzhai basin
后寨河流域
1.
The statistical analysis of a single landform factor and fuzzy cluster analysis of multi-landform factors of the landform factor eigenvalue are carried out in order to determine the threshold of the peak cluster and peak forest landform in the Houzhai basin.
以贵州省后寨河流域为例,在划分的18个流域中,选取16个流域通过单个地形因子特征值相关分析和多个地形因子特征值模糊聚类分析,确定峰丛-洼地和峰林-盆地地貌类型判别的阈值,选取另外两个流域进行判别方法检验。
5) Yangou catchment
燕沟流域
1.
Influence of Vegetation Types on Soil Organic C at Yangou Catchment in the Loess Hilly-gully Region;
以黄土丘陵沟壑区燕沟流域为基础,分析了主要植被类型的SOC,TSN变化及其分布特征。
6) Yangou watershed
燕沟流域
1.
Sediment sources analysis of the Yangou watershed under a certain rainstorm event in the Hilly-gully Region of Loess Plateau;
延安燕沟流域次降雨泥沙来源分析
2.
Based on field survey and laboratory analysis,by using multi-linear stepwise regression and geographic information system(GIS),the paper studied the spatial distribution of surface soil(0-20 cm),organic C density in the Yangou watershed of loess hilly-gully region and its relationships with land use,landform,and so on.
通过野外调查和室内分析,采用多元线性逐步回归和地理信息系统(GIS)相结合的方法,研究了黄土丘陵区燕沟流域表层(0~20 cm)土壤的有机碳密度、空间分布及其与土地利用类型和地形因子等的关系。
3.
According to the research on the natural and artificial communities by five indexes of species diversity in Yangou watershed, this article discussed the relationship between re-vegetation ways (natural restoration, artificial restoration, natural and artificial restoration) and species diversity.
在燕沟流域选取 5个物种多样性指数对其天然及人工群落物种多样性进行了研究,分析了植被恢复重建途径(自然恢复、人工恢复、自然和人工恢复 )与物种多样性的关系。
补充资料:九寨沟
在四川省南坪、松潘、平武三县交界处。是白水沟上游白河的支沟。以有九个藏族村寨得名。海拔在2000米以上,遍布原始森林,沟内分布一百零八个湖泊。有五花海、五彩池、树正瀑布、诺日朗瀑布,风景绝佳,五彩缤纷,有“童话世界”之誉。并有大熊猫、金丝猴、扭角羚、梅花鹿等珍贵动物。为全国重点风景名胜区,并被列入世界遗产名录。
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