arid and semi-arid areas是什么意思

用法例句

The common habitat of bryophytes is restricted to dankness, but some bryophytes, such as the species of Pottiaceae, Grimmiaceae, Bryaceae and so on, are able to survive in arid and semi-arid areas with strong ability of drought tolerance.

苔藓植物一般生活在阴湿的地方 ,但也有不少种类具有极强的耐旱性 ,在干旱和半干旱地区也有分布。

Research of Vegetation Supply Water Index to Monitoring of Drought;

利用植被供水指数法监测干旱的研究

Impact of Drought on the Value of Littoral Wetland Ecological in the East of Cangzhou;

干旱对沧州东部滨海湿地价值的影响

Impact of Extreme Drought on the Fluxes of CO_2, CH_4 and N_2O from Temperate Steppe　Ecosystems;

极端干旱对温带草地生态系统CO_2、CH_4、N_2O通量特征的影响

<Abstrcat>In dry sandstorm area,well water irrigation is a complicated system engineering,not only the measure on efficient water use was adopted,but also measures on the mode of water using to increase agricultural income in dry sandstorm area.

干旱风沙区井灌农业是一项复杂的系统工程,不仅在节约用水上采取措施,而且在如何高效利用水上更加需要合理的用水模式来提高干旱风沙区农业的收入。

Affection of Aridity to Anatomical Structure on Apple Leaves;

干旱对苹果叶片形态解剖结构的影响

Utilizing the agricultural aridity monitoring early warning and composite guarding skills on the Huang-huai plain,through demonstration,the multiple skills are performed in Puyang such as deep ploughing,straw overturning,seed drug-dressing,straw covering,irrigating limitedly,spraying aridity-preventing drug and wheat hot-dry wind drug.

利用黄淮平原农业干旱监测预警与综合防御技术,通过示范,将深耕、秸秆翻压还田、药剂拌种、秸秆覆盖、有限灌溉、喷施防旱剂和防御小麦干热风制剂等技术在濮阳市进行综合推广。

Using the data of temperature,precipitation,ground evaporation from 11 meteorological stations in the valley of the Yellow River and the Huangshui River within Qinghai Province(shortened for Hehuang valley) from 1961 to 2002,we analyzed the characters of meteorological element change and aridity variety.

利用1961—2002青海河湟谷地11个气象台站气温、降水等地面观测资料,对该区气候要素的年代际变化特征及其干旱变化的成因进行了初步分析。

Problem And Strategies on Eco-environmental Construction of Arid And Semiarid Lands In Inner Mongolia Autonomous Region;

内蒙古自治区干旱半干旱地区生态环境建设问题与对策

Analysis of the Pollution Characteristics of the Arid、Semiarid Area in Gansu Province;

甘肃干旱、半干旱地区尘类污染特征分析

Primary study on arid dimension in Shi River irrigation districts;

史河灌区干旱度及其判定指标的初步探讨

Effects of low-phosphorus and drought stresses on growth of wheat (Triticum aestivum);

低磷和干旱胁迫对小麦生长发育影响的研究初探

Effects of drought stress on gas exchange and chlorophyll fluorescence characteristics in leaves of two pepper(Capsicum annuum L) varieties;

干旱胁迫对两种辣椒叶片气体交换和叶绿素荧光特性的影响

In recent years, there has been increasing concern about the impacts of drought stress on terrestrial ecosystem productivity and the carbon cycle in the context of global change.

该文综述了干旱对陆地生态系统生产力的影响,分析了其影响机制,并总结了植被对干旱的响应与适应及其机理机制。