Characteristics of Species Diversity of Herb Community in the Polder of Returning Farmland to Lake in the Dongting Lake Region: Characteristics of Species Diversity of Herb Community in the Polder of Returning Farmland to Lake in the Dongting Lake Region

Q4 Agricultural and Biological Sciences

应用与环境生物学报 Pub Date : 2013-12-19 DOI:10.3724/SP.J.1145.2013.00434

Meiwen Zhang, Bo Li, Yong Wang, Daosong Jiang, Hua Huang, Z. Hou

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引用次数: 2

Abstract

In order to understand the species diversity of herb community which small mammals would depend on in the area of "Returning Farmland to Lake" in the Dongting Lake region,field investigation were conducted in 2005 and 2009 in different habitats,including farmland,single restoration polders(SRP),reconverted beach from farmland(RBF) and aboriginal beach.The species abundance,dominant concentration index,Shannon-Weiner diversity index and evenness index by Pielou were compared.Results indicated that herb community in SRP was still similar to the characteristic of species diversity of the normal farmland.However,herb community in RBF changed significantly,where species abundance became less than that in the normal farmland,and at the same time,differed from that in the beach(climax herb community adapted to submergence in summer).The characteristics of herb community in RBF swung among seasons,more like that in original beach in autumn after flooding withdrawal,but more like that in farmland in spring before flooding submergence.Therefore it was concluded that the herb community was being in succession procession from farmland to beach.Comparison of data from 2005 and 2009 showed that the succession of herb community was in the low speed stage.

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洞庭湖区退耕还湖圩区草本群落物种多样性特征——洞庭湖区退耕还湖圩区草本群落物种多样性特征

为了解洞庭湖区“退耕还湖”地区小型兽类赖以生存的草本群落物种多样性，于2005年和2009年在农田、单一恢复圩田(SRP)、还田滩地(RBF)和原始滩地等不同生境进行了野外调查。比较了物种丰度、优势浓度指数、Shannon-Weiner多样性指数和Pielou均匀度指数。结果表明，SRP草本植物群落的物种多样性特征与正常农田相似。草本群落变化明显，物种丰度低于正常农田，但与滩地不同(夏季适应淹没的顶极草本群落)。RBF草本群落特征具有季节差异，洪水退去后的秋季更接近原始滩涂，洪水淹没前的春季更接近农田。因此，该地区草本植物群落正处于由农田向滩地连续迁移的过程中。2005年和2009年的数据对比表明，该地区草本群落演替处于低速阶段。

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来源期刊

应用与环境生物学报 Agricultural and Biological Sciences-Agronomy and Crop Science

CiteScore

1.20

自引率

0.00%

发文量

4458

期刊介绍： The “Chinese Journal of Applied and Environmental Biology” is a national scientific and technological journal published both at home and abroad. It was started in 1995 and became bimonthly in 1999, and now it is a core journal for applied and environmental biology in China. It aims to introduce and exchange the new achievements, new technologies, new methods and new progresses made from the research fields of biology and its related disciplines both in China and abroad; enhance scientific and technological research serving for the development and construction of national economy, and improvement of people’s living standards.