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Community Ecology

, Volume 5, Issue 2, pp 163–176 | Cite as

Vegetation diversity in natural and agro-ecosystems of arid lands

  • A. K. HegazyEmail author
  • G. M. Fahmy
  • M. I. Ali
  • N. H. Gomaa
Article
  • 1 Downloads

Abstract

Vegetation in natural desert and agro-ecosystems was investigated in the middle sector of Egypt. The vegetation was classified by the Two Way Indicator Species Analysis technique (TW1NSPAN) into nine vegetational groups representing seven habitat types: desert, fallow land, winter crops of old cultivated land, summer crops of old cultivated land, Citrus orchards, winter crops of reclaimed land, and summer crops of reclaimed land. Detrended Canonical Correspondence Analysis (DCCA) demonstrates that soil factors especially soil texture, CaCO3, organic carbon and electric conductivity contribute significantly to the distribution of species. In all habitat types, species diversity is higher in winter than in summer season. The weed species diversity is greater in the reclaimed areas compared to the old cultivated land and in winter crops than in summer ones.

Keywords

Desert Diversity Egypt Vegetation Weeds 

Abbreviations

TWINSPAN

Two Way Indicator Species Analysis

DCA

Detrended Correspondence Analysis

DCCA

Detrended Canonical Correspondence Analysis.

Nomenclature

Täckholm (1974) and Boulos (1995, 1999, 2000 and 2002) 

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© Akadémiai Kiadó, Budapest 2004

This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

Authors and Affiliations

  • A. K. Hegazy
    • 1
    Email author
  • G. M. Fahmy
    • 1
  • M. I. Ali
    • 1
  • N. H. Gomaa
    • 2
  1. 1.Department of Botany, Faculty of ScienceCairo UniversityGizaEgypt
  2. 2.Department of BotanyFaculty of ScienceBeni-SuefEgypt

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