retrogressive succession

用法例句

A comparative study on degradation succession of Inner Mongolia steppe under mowing and grazing based on Principal Component Analysis

基于主成分分析的内蒙古草原刈割与放牧退化演替比较研究

The methods of field survey and experiment analysis were applied to detect the changes in soil organic carbon (SOC) and soil microbial biomass carbon (MBC) of alpine meadows at different degradation successional stages in the headwater region of three rivers.

以野外样地调查和室内分析法研究了三江源区高寒小嵩草草甸不同退化演替阶段群落中土壤有机碳和微生物量碳的变化。

Based on the field investigation,TWINSPAN(Two-way indicator species analysis) and DCA(Distended correspondence analysis) were adopted to conduct the multi-analysis of degeneration succession community on alpine grassland under degenerate succession in north-west of Sichuan province.

在野外植被调查的基础上,应用TWINSPAN分类和DCA排序法,对川西北高寒草地退化演替群落进行了多元分析。

This study focuses on artemisia desert grassland degraded succession at northern slope middle part in Tianshan Mountain, and cluster analysis is adopted to divide the degraded stages.

本研究以天山北坡中段蒿类荒漠草地为研究对象,采用以空间序列代替时间序列的研究方法,应用聚类分析对研究区草地进行退化演替序列的划分,对不同退化梯度草地进行了多样性分析,并对研究区土壤种子库、主要植物的营养成分进行了分析;这对于定量监测该地区的草地利用状况、退化草地的恢复具有一定的实践指导意义。

Comparing the content of N and P contained in aboveground parts of plants among the stages of regressive succession in alpine meadow;

高寒矮嵩草草甸不同退化演替阶段植物地上部氮磷元素比较

Study on the aboveground biomass of plant communities among the stages of regressive succession in alpine Kobresia humilis meadow;

高寒矮嵩草草甸不同退化演替阶段植物群落地上生物量分析

Analysis on the distribution and degraded succession of plant communities at lower reaches of Tarim River;

塔里木河下游植物群落分布与衰退演替趋势分析

The Succession Stages of Stipa Grandis + Leymus Chinensis Typical Steppe

大针茅+羊草草地退化演替阶段的研究

Study on Degraded Succession Characters of Artemisia Desert Grassland at Northern Slope Middle Part in Tianshan Mountain;

天山北坡中段蒿类荒漠草地退化演替特征研究

A Study on Grazing Degenerate Succession of Alpine Meadow in North-west of Sichuan;

川西北高寒草甸草地放牧退化演替研究

Anatomical Mechanism Study of Individual Plant Miniaturisation in the Course of Degenerating Succession in Inner Mongolia;

内蒙古典型草原退化演替过程中植物个体小型化解剖学机制研究

Study on Degenerating Succession and Species Diversity of Spring-Autumn Grassland in Zhaosu Horse Farm of Xinjiang

新疆昭苏马场春秋场草地退化演替与植物多样性的研究

A comparative study on degradation succession of Inner Mongolia steppe under mowing and grazing based on Principal Component Analysis

基于主成分分析的内蒙古草原刈割与放牧退化演替比较研究

RESEARCH ON THE RESTORING SUCCESSION OF THE DEGENERATED GRASSLAND IN INNER MONGOLIA──Ⅱ.ANALYSIS OF THE RESTORINC PROCESSES

内蒙古草原退化群落恢复演替的研究──Ⅱ．恢复演替时间进程的分析

The community succession was on the comedown phase rapidly,and the evidence of degeneration was naked.

群落演替处于快速衰落阶段 ,退化迹象十分明显。

Effect of Community Succession in Degenerated Steppe after Light Harrow

轻耙处理对退化草原植物群落演替的影响

Dynamics of Forest Succession and Restoration Strategies for Degraded Spruce-fir Forest in Changbai Mountain

长白山退化云冷杉林演替动态及恢复研究

Spatial variability of soil salinity and sodicity and its correlation with the succession of Phragmites Australis community in degraded salt marsh

退化盐沼湿地盐碱化空间变异与芦苇群落的演替关系

Research on the tissue and cell change of Stipa grandis in the course of restoring succession of the typical steppe degraded community

典型草原退化群落恢复演替过程中大针茅组织细胞变化的研究

The Study on Dynamics Succession of Community in Degenerated Steppe of Aneurolepidium chinense after Shallow Plouyning

退化羊草草原浅耕翻撩荒植物群落演替动态的研究

Study on Dynamics of Bud Bank in Restoration Succession Series of Degraded Grassland in the Songnen Plain of China;

松嫩平原退化草地恢复演替系列芽库动态的研究

Dynamics Research of Soil Seed Bank about Restoration Duccessional Series of Degraded Grassland in the Songnen Plains of China;

松嫩平原退化草地恢复演替系列土壤种子库动态研究

Fine Root Characteristic Changes of Pioneer Community with Plant Succession in Abandoned Croplands in the Loess Gully Region,China

黄土丘陵区退耕地先锋群落演替过程中细根特征的变化

CHANGES IN THE POPULATION SPATIAL DISTRIBUTION PATTERN OF LEYMUS CHINENSIS IN DEGRADED STEPPE COMMUNITY DURING RESTORATIVE SUCCESSION IN INNER MONGOLIA,CHINA

典型草原退化群落不同恢复演替阶段羊草种群空间格局的比较

The Research on the Change of Plant Population s Spatial Distribution Pattern of the Degraded Community on Typical Steppe in the Course of Restoring Succession;

典型草原退化群落在恢复演替过程中植物种群空间分布格局的变化研究