artificial vegetation造句
例句与造句
- changes of artificial vegetation growth in shapotou area
沙坡头地区人工植被生长动态研究 - in artificial vegetation-fixed sandy dunes, microbiotic crusts always occur with stabilizing of the environmental conditions in vegetation regions
在土壤水环境变化的驱动下，人工植被系统发生了一系列的演替过程。 - 2 . the structure of artificial vegetation in shapotou region the structure of vegetation usually consisted of a vertical structure and a horizontal structure of vegetation . based on the vertical structure of vegetation, there were three layers of artificial vegetation in shapotou region
2、植被垂直结构及水平结构：沙坡头地区人工固沙植被垂直结构可分为三个显著的片层结构：灌木片层、草本片层和生物结皮片层。 - 2 . the structure of artificial vegetation in shapotou region the structure of vegetation usually consisted of a vertical structure and a horizontal structure of vegetation . based on the vertical structure of vegetation, there were three layers of artificial vegetation in shapotou region
2、植被垂直结构及水平结构：沙坡头地区人工固沙植被垂直结构可分为三个显著的片层结构：灌木片层、草本片层和生物结皮片层。 - the further analyses indicate that anti-erosive vegetation should be natural well developed or near natural, and it would be different not only in structure, but also in succession, management, etc ., from artificial vegetation taking economical value as only a target
进一步的分析表明防蚀植被就是发育良好的自然植被或者接近自然的人工植被，与纯粹追求经济目标的人工植被相比，不仅在结构上，而且在演替、经营等方面是不同的。 - It's difficult to find artificial vegetation in a sentence. 用artificial vegetation造句挺难的
- 3 . the growth dynamic of artificial vegetation in shapotou region in shapotou area, the growth curve of shrubs was like the form of " s " . the stagnant period of growth was in april, the exponential period of growth was from may to july, the stable period of growth was from august to october
3、植被生长动态:研究区内灌木植物生长曲线呈s型，生长停滞期在4月左右，生长指数期在5月到7月，生长静止期在8月到10月，10月前后停止生长。 - the reproductive characteristics and population structure of artemisia ordosica, hedysantm scoparium, caragana korshinskii and the reproductive characteristics of annual plants eragrostis poaeoides and bassia dasyphylla were observed in shapotou artificial revegetation area . stability of the artificial vegetation was appraised from the views of its persistence and variability under local natural condition . the study showed that : the artificial-natural vegetation built with sandbreaks and plants is stable in shapotou area
通过对沙坡头人工固沙植被区主要建植种群柠条(caraganakorshinskii)、花棒(hedysarumscoparium)和油蒿(artemisiaordosica)的繁殖特性及种群结构的研究，以及自然侵入的一年生草本植物小画眉草(eragrostispoaeoides)和雾冰藜(bassiadasyphylla)繁殖特性的研究，探讨了在植被的持久性和变异性，分析评价了主要受恶劣环境压力下的人工固沙区植被的稳定性。 - the structures and dynamic changes of the artifical sand-fixing vegetation were studied based on the follow views : components of vegetation community, plant diversity, life-forms of vegetation, trends of plant growth, characteristics of the vertical and horizontal structure of vegetation, relationship between the vegetation community and environment ( including soil moisture temperature etc . ), relationship between the vegetation community and characteristics of plant physiological activities . some results were showed as follow : 1 . components, diversity and life style of artificial vegetation in shapotou region the marked changes of artificial vegetation have taken place during more than 40 years, since the establishment of sand-fixing vegetation
本文以腾格里沙漠东南缘宁夏中卫县沙坡头地区人工固沙植被作为研究对象，采用传统生态学的野外调查方法，从植被群落的组成、多样性、生活型、群落生长动态、垂直结构特征、水平结构特征、群落结构与周围环境(土壤含水量、温度)相互关系及其与植物自身生理生态适应特征关系等多个角度研究了人工植被群落的结构及其动态变化，取得了如下研究结果：1、植被群落组成、多样性及生活型：沙坡头地区人工植被经过近50年的演变，从流动沙丘到固定沙地，沙地植被的动态变化经历了从人工植被到人工?自然植被的转变，从人工植被建立初期的少数几种引种植物到现有30多种植物，随着固定沙地时间的延长，植物种类日趋丰富，并且人工植被在1525年、4050年两个阶段，物种的周转速率最大，即群落结构变化最大。 - the structures and dynamic changes of the artifical sand-fixing vegetation were studied based on the follow views : components of vegetation community, plant diversity, life-forms of vegetation, trends of plant growth, characteristics of the vertical and horizontal structure of vegetation, relationship between the vegetation community and environment ( including soil moisture temperature etc . ), relationship between the vegetation community and characteristics of plant physiological activities . some results were showed as follow : 1 . components, diversity and life style of artificial vegetation in shapotou region the marked changes of artificial vegetation have taken place during more than 40 years, since the establishment of sand-fixing vegetation
本文以腾格里沙漠东南缘宁夏中卫县沙坡头地区人工固沙植被作为研究对象，采用传统生态学的野外调查方法，从植被群落的组成、多样性、生活型、群落生长动态、垂直结构特征、水平结构特征、群落结构与周围环境(土壤含水量、温度)相互关系及其与植物自身生理生态适应特征关系等多个角度研究了人工植被群落的结构及其动态变化，取得了如下研究结果：1、植被群落组成、多样性及生活型：沙坡头地区人工植被经过近50年的演变，从流动沙丘到固定沙地，沙地植被的动态变化经历了从人工植被到人工?自然植被的转变，从人工植被建立初期的少数几种引种植物到现有30多种植物，随着固定沙地时间的延长，植物种类日趋丰富，并且人工植被在1525年、4050年两个阶段，物种的周转速率最大，即群落结构变化最大。 - middle-east of taihang mountain, is one of the richest regions of plants system in hebei province, not only has the abundant natural seed plants but also has the rich artificial vegetations, medicina l plants, flower plants, has many particular precious local plants and sole inheritance plants
太行山中段东麓是河北省植被植物区系最为丰富的地区之一，不仅自然建群种植物丰富，而且人工植被、药用植物、花卉植物种类也较为多样，且具有多种孑遗植物、河北省特有的名贵植物。 - special seed germination and seedling survival mechanism in artemisia ordosica, eragrostis poaeoides and bassia dasyphylla ensured the maintenance and replacement of their populations in accordance with local environmental conditions . at o ld artificial vegetation of shapotou area, c . korshinskii is expected to disappear in the future of 50 years or so
沙坡头人工固沙区植被随时间推进，老固沙区中的柠条种群将在50年或稍长的时间内消失，形成以油蒿种群为主，花棒种群为辅的多年生群落。 - the species were separately caragana korshinskii hydysarum scoparim artemisia ordosica in shrubs layer, eragrostis poaeoides bassia dasyphylla in herbs layer, bryum argenteum barbula ditrichodies in microbiotic crusts layer . and the dominant species of them were artemisia ordosica eragrostis poaeoides bryum argenteum respectively . due to the different time and the topographical varieties in the fixing-sand region, the horizontal structure of artificial vegetation manifested out the mosaic characteristics
灌木片层的主要植物种是柠条(caraganakorshinskii)、花棒(hydysarumscoparim)、油蒿(artemisiaordosica)等灌木植物，其中优势种为油蒿；草本片层的主要植物种有小画眉草(eragrostispoaeoides)、雾冰藜(bassiadasyphylla)等，其中优势种是小画眉草；生物结皮由藻类和苔鲜类构成，其中，银叶真鲜(bryumargenteum夕为固沙植被区鲜类地被层优势成分。