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vegetation相关的网络例句

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与 vegetation 相关的网络例句 [注:此内容来源于网络,仅供参考]

Based on the investigation of four permanent plots, which are set in the mid-mountain of Darning Mountain and are in different recovery periods, the community dynamics during the vegetation restoration are studied.

本文对设立在大明山中山区处于不同恢复阶段的四个固定样地进行定位调查,主要对其植被恢复过程中群落动态学进行了研究。

Paths of wood decking and concrete unit pavers cut through the vegetation beds and allow for areas of strolling and seating along the way.

路径木材甲板和混凝土摊铺机的单位,通过削减植被病床,并允许领域的散步及座位在前进的道路上。

Chimonanthus, which includes 5 vegetation form, mainly grows in the evergreen defoliate broad-leaved mixed forest and evergreen broad-leaved forest.

蜡梅属植物跨有5个植被类型,主要生长在常绿落叶阔叶混交林和常绿阔叶林地带。

CO2-Forced Climate and Vegetation Instability During Late Paleozoic Deglaciation - The covariance of atmospheric CO2 levels, surface temperatures, and global ice volume indicates that greenhouse gases controlled climate about 300 million years ago.

二氧化碳被迫在晚古生代气候和植被不稳定冰消-方差大气二氧化碳水平,表面温度、与全球冰量显示控制温室气体气候约三亿多年ago.authors:伊莎贝尔页montańez,尼尔j。

Meanwhile,in the process of ecological environment construction,the middle and high grade vegetation fraction degraded.

与此同时,在生态环境建设过程中,原有中、高覆盖度植被发生退化。

This paper is based on observations of the forests of the south-eastern Tibetan plateau which were made during a six week field study carried out by the author of the forest vegetation of Zitsa Degu gZi rTsa sDe dGu; Chin.

本文基于对西藏高原东南部森林观测,这一持续了六周的观测研究是本文作者在位于阿坝藏族自治州的东北的九寨沟自然保护区完成的。

The oxides of nitrogen can have deleterious effects on materials, vegetation, and animal and human life

氮的氧化物对物质、植物、动物和人类生活有毒害效应。

The process of ecological degradation in the vicinity of Shaoguan Pb/Zn smelter may be summed as: heavy metals and acidic deposits from the waste gas from smelter resulted in the vanishment of the sensitive plant species, increasing accumulation of heavy metals in soils and acidification of topsoil worsened the chemical properties and then shallow-rooted plant, mainly the herbaceous, vanished. With the demolishment of the vegetation cover, increasing water-soil erosion worsened physico-chemical properties of soil and, subsequently, some woody plants disappeared and barren land was finally appeared.

该生态系统的退化过程可以归纳为:来自于冶炼废气的重金属和酸沉降导致了敏感植物的消亡,丧失了对土壤的缓冲保护作用;重金属在土壤表层的积累,酸性物质在土壤表层的增加导致的土壤酸化以及由此引发的有机质与养分的淋溶和重金属及Al的活性增加,加剧植被的快速退化,特别是浅根植物的衰亡;地被层的破坏,导致水土流失和土壤侵蚀加深,进一步恶化表层土壤的理化性质,一些木本植物随之消失,最终形成光板地。

The researches cover silviculture, vegetation management, tree physiology, ecophysiology, dendrochronology, forest ecology, forest fire ecology, forest soil biology, biotechnology, forest genetics, forest entomology and pathology, forest practices effects on biodiversity and sustainability and forest economics etc.

该杂志研究领域涉及造林学、植被管理、树木生理学、生态生理学、树木年代学、森林生态学、森林大火生态学、森林土壤生物学、生物技术、森林遗传学、森林昆虫学与病理学、森林实践对生物多样性与稳定性的影响以及森立经济学等。

Planting, it is mainly for desert vegetation protection and desert landscape conservation.

从地图上可以得到划分界线的814 公顷区域规定为保护区,主要用于沙漠植被和沙地保护。

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