community continuum是什么意思

用法例句

Study on Plants Growed Naturally in Slide Slope of Road in South of Anhui Province;

安徽南部山区公路边坡生态自然恢复植被分析

The Application of Hyperspectral Remote-Sense to Plant Fine-Classification;

高光谱遥感在植被精细分类中的应用

Discussion of research methods on relationship between climate change and plant.;

气候变化和植被关系研究方法探讨

Research on the Response of Grassland Plantation and Soil in Xilamuren to Human Disturbance;

希拉穆仁草原植被和土壤对人为干扰的响应

In this paper,a comparison of different technologies for treatment of artificial greenery area was made which can serve as advice to the design of sheltered plantation on ground or roof.

人工地面覆土植被是地下建筑空间上部处理的常用方法 ,但我国的处理方式与世界先进水平有较大差距。

The representation of some main pollens in Shennongjia region is studied according to analysis of soil and plantation samples.

根据表土花粉分析和植被样方调查，对神农架南坡常见花粉的Ｒ值作了研究，结果表明：大部分阔叶花粉如栎、山毛榉、槭、鹅耳枥、榛、胡桃、枫杨、枫香、杜鹃、木兰、冬青、漆树、栗、榆具有低代表性，只有桦具有适宜代表性。

Because of the effects of plant roots on soil infiltration and anti-scourability,the time of runoff be- ginning becomes longer with the increase of the vegetation coverage.

植被根系提高土壤渗透性和抗侵蚀性,植被盖度越大径流起始时间越长,植被提高边坡的入渗率和减少土壤流失相互促进,共同作用的结果是保持水土,所以植被增加边坡降雨入渗的作用是十分显著的。

The results showed that in the soil layers of 30~60 cm,the contents of the soil moisture in the land with the vegetation cover were 10% lower than those without vegetation.

以宁夏盐池沙地为对象,研究了沙地水分条件与植被分布格局的关系。

8% in 1998, and the vegetation cover in the .

经过 5年治理 ,到 2 0 0 2年底 ,全市完成水土流失治理面积 4 75 8km2 ,治理程度由 1998年的 19 8%提高到37 3% ,治理的重点流域林草植被逐年增加 ,生态环境开始向良性循环转变。

Patterns of Succession of Different Types of Wetland Vegetations in Shandong;

山东湿地植被类型和演替规律的研究

Estimating Compensation for Damaged Vegetation Ecosystem in Shaanxi Province based on HEA;

基于HEA方法的陕西省受损植被生态服务功能补偿评估

Study on the Function of Vegetation in Water Conservation Based on GIS Technology in the Upper Yangtze River;

基于GIS的长江上游植被水源涵养功能评价研究

The concept of ecological environment water requirement of vegetations was put forward, which is the least water requirement to ensure healthy growth and to control sandification, alkalization and even desertification of soil.

在对已往生态环境需水量研究成果进行总结,分析该区自然环境的基础上,提出了植被生态环境需水量的概念,即保证植物正常、健康生长,同时能够抑制土地沙化、碱化,乃至荒漠化发展所需的最小水资源量。

Facts show chearly that human activities and vegetations can affect the landslides and avalanches.

通过实例说明了人类的各种活动和不同植被状况对坡体滑塌的影响，并通过室内人工降雨模拟试验说明排水及护坡等工程措施对坡体稳定具有一定的保护作用。

With the persisting upl ift of Qinghai-Xizang Plateau and the strengthening of winter monsoon(cold sna p)in the Pliocene,the climate in these regions tended to become much drier and the component for vegetations was r.

文章依据孢粉资料讨论我国西北地区第三纪时期植被的演变情况,认为始新世时古地中海和副古地中海(Paratethys)自南亚及中亚地区的撤退,以及中新世时青藏高原的隆起对东亚季风的屏蔽,都对西北地区的干旱化起了重大作用。