Niche Characteristics of Main Species of Natural Restoration Vegetation in the Abandoned Field on the Loess Hill and Gully Area

WANG Ning; JIA Yan-feng; LI Jing; JIAO Ju-ying

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Niche Characteristics of Main Species of Natural Restoration Vegetation in the Abandoned Field on the Loess Hill and Gully Area

- Niche Characteristics of Main Species of Natural Restoration Vegetation in the Abandoned Field on the Loess Hill and Gully Area
- Bulletin of Soiland Water Conservation Vol. 26, Issue 6, Pages: 34-40(2007)
- 作者机构：
  
  1. 中国科学院水利部水土保持研究所
  3. 西北农林科技大学资源环境学院, 陕西, 杨凌, .,712100
- 作者简介：
- 基金信息：
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- Published：2007
- 稿件说明：
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WANG Ning, JIA Yan-feng, LI Jing, et al. Niche Characteristics of Main Species of Natural Restoration Vegetation in the Abandoned Field on the Loess Hill and Gully Area[J]. Bulletin of Soiland Water Conservation, 2007, 26(6): 34-40.
DOI：

WANG Ning, JIA Yan-feng, LI Jing, et al. Niche Characteristics of Main Species of Natural Restoration Vegetation in the Abandoned Field on the Loess Hill and Gully Area[J]. Bulletin of Soiland Water Conservation, 2007, 26(6): 34-40. DOI：

摘要

为了探究加速黄土丘陵沟壑区退耕地植被恢复过程的人工物种干扰措施如物种选择与搭配的科学依据

利用TWINSPAN分类方法对33个自然恢复的退耕地样方进行分类

得出退耕地在40 a内主要经历了5个群落演替阶段

分别为猪毛蒿群落、赖草群落、达乌里胡枝子+长芒草群落、铁杆蒿群落和白羊草群落。以各个群落的综合资源环境梯度为依据

对各群落主要物种生态位特征进行了分析。通过物种的生态位宽度和生态位重叠特征分析

提出了不同演替阶段的合理物种组合。

Abstract

This paper aims to explore the way to find the species combination for the vegetation restoration on the abandoned filed in the loess hill and gully area.From the classification of 33 abandoned field samples by the TWINSPAN classification method

it follows that there were 5 comm unities in the past 40 years

include ding the communities of Artemisia aria

Leymus secalinus

Lesped eza davurica Stipa bungeana

Artemisia gmelinii

and Bothriochloa ischaemum.The main species niche characteristics were analyzed based on the resources and environment integration of each community.Finally

some suitable species combi- nations were found.This result can offer people the direction to nat ural vegetation restoration.

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