查询词典 monoculture

But innovations by competitor species, or the emergence of altogether new species, prevent any permanent hierarchy or monoculture from emerging.

但竞争物种的创新，或全新物种的出现阻止了任何永恒的层级或者单种的产生。

Explain why monoculture is a common practice today and describe the ecological and economic risks it faces.

就生态和经济角度而言，单一作物耕种俱为一充满冒险性的农业系统。

They complained that traditional farming was disrupted and diversity replaced by monoculture.

他们抱怨说，传统农业模式受到破坏，多样性已经被单一性取代。

Mycorrhizal spores in most rhizospheric soil of weed species, except Vida cracca, TrfoHum npens and Oxalis cornculata, decreased significantly. 2 Influence of coexisting of various plant species on AMF colonization in Pb polluted soil Comparing with monoculture,the results showed mat diversity did not affect on die AMF colonization of weed plants planted in soil at the concentration (334.5251mg/kgsoil or nonpolluted soilsignificandy.In the experiment of species combination with Trfolium repens, Lolium perenne, Poa annua, Plan tago virginica, the infection rate of all species increased in Pb treatment except Poa annua, implying that diversified plant species coexistence may alleviate the impacts of Pb on mycorrhizal colonization.

铅污染土壤条件下不同植物物种互作对菌根的影响通过盆栽加铅模拟试验，在铅污染(334.5251mg／kg土)的土壤中，黑麦草、早熟禾、白车轴草和北美车前无论是对照还是铅处理，多植物物种共存组合中的杂草菌根侵染率与单个物种相差不大，AMF菌根侵染率的处理间差异的变化趋势在铅污染的土壤和对照土壤条件下表现一致，但铅处理与对照相比，除了早熟禾外，菌根侵染率均升高，说明杂草多样性对菌根有一定的保护作用。

Yes, if we get rid of pine monoculture (usually thought "good") we also get rid of the last habitat the red squirrel survives in.

是的，如果我们去除林相单一我们也就去除了红色松鼠生存的最后栖所。

Be it good growth or bad growth, any unbridle growth creates huge imbalance in the earth ecosystem, simply working to sustain the monoculture of human temporarily.

因此，不管是作者提倡所谓比较环保的「好」成长，或是当前人类不永续的成长模式，只要是无限制的成长，都会让地球生态系统中人类与其他物种以及环境间的关系越来越不平等，只会让地球成为以人类为主的单一文化，人类的成长也许暂时能够持续，但没有其他多样物种和环境的支持，人类所谓的「永续」只是暂时的，追求无限制的工业成长是短视近利的。

Compared with oat monoculture, the best planting mode was intercropping of oat and common vetch at 3:1 by which the land utilization ratio increased by 76%.

所有处理中H7（燕麦与箭筈豌豆3：1间作）干物质产量和粗蛋白产量最高，土地利用率提高了76%。

Intercropping and mixture of oat and common vetch can increase 0.3%-22.7% RFV than monoculture.

间作混播处理有利于提高混合草的RFV值，与单播燕麦相比间混作提高饲草RFV值的幅度为

On the basis of observation on the incident and transmitted photosynthetically active radiation of the winter wheat canopy under the monoculture and intercropping ways, the diurnal change of interception photosynthetically active radiation, the relationship between IPAR and leave area index, and the shading of the winter wheat were studied.

文章摘要：通过对单作和间作种植模式下作物冠层入射和透射光合有效辐射的观测，研究了不同种植模式下冠层光合有效辐射截获量的日变化规律及其与叶面积指数的关系以及冬小麦对预留行的遮荫作用。

The ramet populations of the species at OSES and Inner Mongolia Grassland Ecosystem Research Station and those under conditions of monoculture and mixed with different species were compared.

对内蒙古沙地站和内蒙古草原站的单种沙鞭分株种群的比较和在各站对单种和混交沙鞭分株种群的比较发现，不同地点和在不同群落条件下的沙鞭分株种群在许多重要性状上都存在差异。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。