查询词典 wetlands

The transformation rate of pollutants in sedimentThe main source of organic matters of wetlands is the residua of reed and wild rice.

污染物在沟渠湿地底泥中的转化率湿地有机质的主要来源是芦苇和茭草残株的分解。

The transformation rate of pollutants in sediment The main source of organic matters of wetlands is the residua of reed and wild rice.

污染物在沟渠湿地底泥中的转化率湿地有机质的主要来源是芦苇和茭草残株的分解。

Wetlands enthusiasts are thus calling for the climate-change convention that will, with luck, be agreed in Copenhagen next month to include financial incentives either to avoid the drainage of marshes in the first place or to rewet them.

湿地狂热者们正在呼吁下个月哥本哈根会议上通过的气候变化公约应该包含财政刺激，以此首先来避免沼泽地的干涸或者是将它们进行再湿润。

Riverine wetlands provide abundant water resources and be the one of the important drinking water resources of Beijing.

北京河流湿地为北京市提供丰富的水资源，是北京城市饮用水重要的来源之一。

Much of the alienation concerns strategic areas such as wetlands or riverine forests.

大部分被割据的土地关系到湿地或沿河森林等战略性区域的安危。

Invasion of Spartina grass has induced significant decline of the soil ecological properties of the wetlands.

米草入侵后土壤的各项养分指标均有明显下降，湿地土壤生态化学性质发生了明显的退化。

Effects of the invasive plant Spartina alterniflora on insect diversity in Jiuduansha wetlands in the Yangtze River Estuary

性质：一组样本测定值的平均值。分为简单平均值即算术平均值和加权算术平均值。

Based on the 1992-2007 remote sensing images and field survey data, and by using the landscape ecology theories and the method of conversion matrix, the spatiotemporal dynamics and landscape pattern of Spartina alterniflora in Yancheng coastal wetlands were analyzed by GIS. The results showed that the total area of S.

基于1992-2007年的遥感影像和野外调查数据，在地理信息系统的支持下，应用景观生态学理论和转移矩阵方法，定量分析了江苏盐城滨海湿地外来种互花米草的时空动态及其景观格局的演变规律。

Invasion of Spartina grass has induced significant decline of the soil ecological properties of the wetlands.

土壤有机碳、土壤微生物生物量碳、氮含量以及土壤蔗糖酶与磷酸酶活性对滨海湿地土壤退化的反映最为强烈，可以作为指示性指标。

A report by the World Natural Fund says that the water level of wetlands in Qinhai Plateau is subsiding.

世界自然基金会的一份报告表明，青海高原的湿地湖水水位已开始下降。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。