查询词典 ecotone

This paper offers an important evidence to identify the north realm of ecotone between the Palaearctic and the Oriental in Shandong Province.

为古北区和东洋区过渡带的北界判定提供了重要参考，也为两界在山东省内的划分提供了重要依据。

The plant community stability differs from here and there in the desert-oasis ecotone, although under the same climate.

由绿洲、戈壁和沙漠等不同下垫面大气边界层的物理过程所产生的绿洲效应对该地区的农业发展和气候演变有着直接的影响。

TheErdos Plateau is located in the farming-pastoral ecotone where desertification is serious.

鄂尔多斯高原是农牧交错带上荒漠化最为严重的地区。

Our study indicated that farmland in the desert oasis ecotone should be reclaimed prudentially, that a sustainable development insight must be used, and that rational management practices and advanced technologies are needed.

研究表明农田位置与人为管理强度会对土壤质量产生重要影响，在绿洲边缘对农田开发利用应当采取谨慎的态度及合理的管理方式。

Based on the fact that it lacks of quantification about the theory at present, this paper puts forward the new idea about mechanism of system coupling using emergy method in the ecotone between agriculture and pasture in North China as an example, where has serious dilemma of economical and ecological.

以农牧交错带为例，针对在生态经济系统目前该理论的定量化方面研究不足的事实，提出用能值方法考虑农牧交错带系统耦合的机制，并指出农牧交错带系统耦合机制应建立在土地利用方式、子系统间能值转化过程和生态系统的能值储备上；同时影响系统耦合机制的主要因素有初级生产力的大小、畜牧业的内部结构和畜牧业的发展规模以及生态系统服务价值的大小。

The increase of leaf ratio is favorable for carbon uptake and carbon balance in severe environment at treeline ecotone.

枝、叶生物量比例增加，特别是叶生物量分配增加有利于在树线恶劣环境的碳吸收和碳平衡。

Alpine treeline is an important ecotone, which is sensitive to climate change. So treeline ecology is of significant to study on global change. This study is a case study in Gonggashan Mountain, Southwestern China.

本研究以贡嘎山树线为例，以响应气候变化的可能敏感指标：树线位置动态、生长型的变化和树木更新节律为突破口研究树线对气候变化的响应，并与川西地区气候变化重建资料和巴郎山树线动态进行了对比。

Desert vegetation acting as the ecotone between desert and oasis plays an absorbable and alleviatory role in threatening of desertification in the outer space of Karamay Agricultural Comprehensive Developmental Region.

荒漠生态系统是建立新疆平原人工绿洲生态系统的物质基础和生态基础。

It was suggested that the microclimate's edge influence depth at the interface of farmland and forest ecotone in west Jilin varied with time and space, and depended on the vegetation's aspection at the two sides of the interface and the intensity of human disturbance.

说明在农林边界，小气候影响域存在着时空变化，其范围取决于边界两侧植被的季相变化和人为干扰的强度。

Shrubs and undershrubs in desert-oasis ecotone can be divided into four groups based on the niche breadth. Based on the niche overlaps matrix, overlap between Reaumuria soongorica and Haloxylon ammodendron is large; overlaps among Kalidium foliatum、 Suaeda physophora、Kalidium caspicum、Tamarix ramosissima、T. elongata are large; the others'overlaps are small.

阜康荒漠绿洲过渡带灌木、半灌木按生态位宽度可分成4类；根据生态位重叠矩阵，红砂和梭梭之间、囊果碱蓬、里海盐爪爪、多枝柽柳和长穗柽柳之间重叠较大，其余种重叠值均较小。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。