From Monoculture to Norfolk System: How the Number of Crops in Rotation Can Influence the Biodiversi

来源 :生态学期刊(英文) | 被引量 : 0次 | 上传用户:kf3567
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
Given the attention drawn since several decades by arbuscular mycorrhizal fungi (AMF) as potential biological alternatives to chemicals in a low-input agriculture, much effort has been spent in the investigation of mechanisms influencing the dynamics insi
其他文献
<正>~~
期刊
学校时间管理存在着教师节假日、工作时间被轻易占用、有意延长和随意控制等问题,主要原因是部分管理者价值追求功利、管理理念滞后等,解决的基本策略可以为:建设合法合理的追
【正】 固原地区是一个回族聚集的地区,人口约一百三十七万,经济文化都比较落后,被国务院列为重点建设开发的地区。党的十一届三中全会以来,随着党的民族政策的贯彻落实和整
Understanding when small- or large-bodied cladocerans dominate zooplankton communities has received considerable debate over the past 50 years. While a large bo
目的评价鸦胆子油对肺癌患者免疫功能的影响。方法检索鸦胆子油对肺癌患者免疫功能影响的随机对照研究文献,采用Meta分析对其影响进行评价。结果纳入7篇项随机对照研究。Meta
为开发利用北盘江干流水能资源,在北盘江干流上已建成光照和董箐水电站,马马崖一级、二级水电站正进行前期工作。研究认为这些电站在为北盘江干流带来经济和社会效益的同时,
Iran is a country that benefits from nice nature, diverse continent, areas full of unique geological phenomena. Thus, it is necessary to study these attractions
Parental care is a common strategy in many animal groups, to increase survival of the off-spring. Here, we report parental care in the freshwater crab Sylviocar
<正>一、课程背景高中阶段是学生发展的又一关键期,然而由于学生主观认知的不完善与客观环境因素的影响,在这一阶段,学生往往会面临很多困惑与问题,随之产生各种压力。在学习
During the winter of 2009 grassland birds were monitored in the region of Cuchillas de la Zarca to estimate the association betweenAmmodramus bairdiiAudubon 184