查询词典 rangeland

It was classified, registered, calculated and statistically analysed according to the National Unified Technical Regulations of 1978—1985 on the Investigation of Rangeland Resources.

它是按照1978—1985年我国统一的草场资源调查技术规程的有关规定对数据进行登记、分类、统计、计算。

This component will develop grazing systems and rangeland conservation technology to demonstrate the production and conservation benefits planned grazing management.

这个分项目要建立放牧制度和草场保护技术，示范在这个放牧管理制度下的生产和保护效益。

The study first use ecological-economical classification of rangeland plant ,which can representrangeland vegetation characteristics, purpose and worth.

多样性指数法的生态学的原理，将草地类型多样性从定性描述深入到定量研究。

SOC in plantation in 0～20cm soil depth originated from rangeland, in 30～50cm and 70～110cm soil depth, they are 81% and 83% respectively.

在人工林0～20cm土层有机碳起源于草地为54～77％、30～50cm为81％、70～110cm为83％左右。

As a rangeland ecologist, grasses and the interactions between vegetation and the animals both wild and domestic interest me.

作为一名草原生物学家，我对草类植物以及植被与动物之间的关系非常感兴趣。

This study investigated rangeland resource basal actuality.

本项研究旨在对天山北坡中段的草地资源本底现状做新的、深入地研究，为草地的综合开发与利用提供科学依据。

Moreover, the key problems of rangeland development are explored and countermeasures to increase Productive capacity are put for forward

据此提出了提高我国牧地生产能力的主要对策如下：①把牧地有偿承包责任制度真正落到实处；②以可持续发展理论为指导，进行牧地资源的开发利用；③多途径开发饲用植物生产能力，是解决牧地超载过牧的主要措施。

Abstracts: Based on the Japanese date in 1930's, the relationship among pastoral people, livestock and rangeland in winter camping ground are discussed.

本文以20世纪30年代的日文调查资料为主，对呼伦贝尔草原冬营地时期的人、畜和草原的关系进行了剖析。

In contrast, non-equilibrium rangeland systems are thought to be driven primarily by stochastic abiotic factors, notably variable rainfall, which result in highly variable and unpredictable primary production.

相应的，非平衡模式认为系统的原动力来自一些随机非生物因素，最明显的是降水量，它将导致不可预料的大幅度的初级生产力的变化。

Some conclusions from the study on human driving factor are:(1) the human activity is much more active factor to the process of desertification which mainly incarnates on the changes of the landuse fashion (from traditional rangeland 100 years ago come to interlacing agro-pastoral region) and enhance of landuse intensity (over-cultivation, over-grassing and over-fuel collection);(2) the natural vegetation had been destroyed suicidally by human activities that had accelerated to the development desertification.

在人为驱动力的分析中，得到以下一些初步的结论：（1）人类活动是本地区沙漠化过程中更加活跃的驱动因子，体现在土地利用方式的转变（从传统的牧业草原到今日的农牧交错区）和强度的增加（过度开垦、放牧、樵采等）；（2）由此对自然植被群落毁灭性的破坏，加速沙漠化的进程。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。