Arid
DOI10.1007/s12224-015-9218-8
An appraisal of eremophyte diversity and plant traits in a rocky desert of the Sahara
Bradai, Lyes1; Bouallala, M’hammed1,3; Bouziane, Noura Fatiha1; Zaoui, Sabah1; Neffar, Souad2; Chenchouni, Haroun2
通讯作者Chenchouni, Haroun
来源期刊FOLIA GEOBOTANICA
ISSN1211-9520
EISSN1874-9348
出版年2015
卷号50期号:3页码:239-252
英文摘要

This study aims to identify and describe community characteristics and species traits of eremophytic vegetation in the Hammada of Debdeb (Illizi, Algerian Sahara). We recorded abundance, species richness, biodiversity (Shannon index and evenness) and plant traits (life forms, dispersal types, morphological types, adaptive strategies of Grime, Noy-Meir’s categories and phytogeographical types). The results revealed the presence of 14 plant species in 11 families with the dominance of Asteraceae. The dominant plant taxa at surveyed sites of the Hammada desert were chamaephytes, perennials and anemochorous plants whereas the dominant phytogeographical origin of plants is the Saharo-Arabian type. According to Grime’s classification, most of plant strategies were stress-tolerant, followed by the stress-tolerant ruderal type. In addition, arido-active species predominated over arido-passive plants. The eremophytic vegetation of the Hammada is characterized by low species density (Shannon index ranged between 1.12 and 2.84, evenness from 0.48 to 0.82). The xerophytic species of the rocky desert under study have sparse and scattered spatial distribution with low density. Plant traits of this eremophilous flora denote its strategies to adapt to adverse environmental conditions of the Hammada desert including the hot hyper-arid climate and the extremely poor rocky-substrate.


英文关键词Drylands Functional ecology Life-history strategies Plant diversity Rocky desert Sahara Xerophytes
类型Article
语种英语
国家Algeria
收录类别SCI-E
WOS记录号WOS:000361881100006
WOS关键词FLORISTIC DIVERSITY ; VEGETATION ; FLORA ; CLASSIFICATION ; COMMUNITIES ; MOUNTAINS ; REGION ; SOIL
WOS类目Plant Sciences
WOS研究方向Plant Sciences
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/187294
作者单位1.Univ Kasdi Merbah, Fac Nat & Life Sci, Lab Bioressources Sahariennes Preservat & Valoris, Ouargla 30000, Algeria;
2.Univ Tebessa, Dept Biol Sci, Tebessa 12002, Algeria;
3.Univ Ahmed Draia, Fac Sci & Technol, Dept Nat & Life Sci, Adrar 01000, Algeria
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GB/T 7714
Bradai, Lyes,Bouallala, M’hammed,Bouziane, Noura Fatiha,et al. An appraisal of eremophyte diversity and plant traits in a rocky desert of the Sahara[J],2015,50(3):239-252.
APA Bradai, Lyes,Bouallala, M’hammed,Bouziane, Noura Fatiha,Zaoui, Sabah,Neffar, Souad,&Chenchouni, Haroun.(2015).An appraisal of eremophyte diversity and plant traits in a rocky desert of the Sahara.FOLIA GEOBOTANICA,50(3),239-252.
MLA Bradai, Lyes,et al."An appraisal of eremophyte diversity and plant traits in a rocky desert of the Sahara".FOLIA GEOBOTANICA 50.3(2015):239-252.
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