Impact of grazing on the species richness of plant communities in Mediterranean temporary pools (western Morocco)

被引：29

作者：

Bouahim, Siham ^{[1
,2
,3
]}

Rhazi, Laila ^{[2
]}

Amami, Btissam ^{[1
,2
,3
]}

Sahib, Nargis ^{[2
]}

Rhazi, Mouhssine ^{[4
]}

Waterkeyn, Aline ^{[1
,5
]}

Zouahri, Abdelmjid ^{[6
]}

Mesleard, Francois ^{[1
,7
]}

Muller, Serge D. ^{[3
]}

Grillas, Patrick ^{[1
]}

机构：

[1] Tour Valat, Res Ctr Mediterranean Wetlands, F-13200 Arles, France

[2] Hassan Il Ain Chock Univ, Fac Sci, Lab Aquat Ecol & Environm, Casablanca, Morocco

[3] Univ Montpellier 2, CNRS, Inst Sci Evolut, F-34095 Montpellier 05, France

[4] Moulay Ismail Univ, Fac Sci & Tech, Dept Biol, Boutalamine, Errachidia, Morocco

[5] Katholieke Univ Leuven, Lab Aquat Ecol & Evolutionary Biol, B-3000 Leuven, Belgium

[6] CRRA Rabat, INRA, Rabat, Morocco

[7] Avignon Univ, IMEP, Inst Technol, F-84911 Avignon 9, France

来源：

COMPTES RENDUS BIOLOGIES | 2010年 / 333卷 / 09期

关键词：

Mediterranean temporary Wetlands; North Africa; Disturbance; Plant communities; Conservation; SEMIARID SAVANNA; SALT-MARSH; DIVERSITY; VEGETATION; PRODUCTIVITY; GRASSLANDS; CATTLE; SIZE; BIODIVERSITY; HERBIVORES;

D O I：

10.1016/j.crvi.2010.06.004

中图分类号：

Q [生物科学];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

The impact of grazing on the vegetation of Moroccan temporary pools has been studied at 2 scales: regional (inter-pools) and local (intra-pools). Half of the 16 forest pools studied is located in a reserve and ungrazed. The other half, located within public forest, is grazed. Vegetation releves coupled to water-depths measurements were carried out in each pool. The results showed a significant effect of grazing on both scales of analysis. This effect was found in the species composition of the vegetation, which differed between the 2 types of pools, and in the lower species richness and abundance of plant species in the grazed pools. These differences are interpreted as resulting from the selection by herbivores and the differential tolerance of species to disturbance. These impacts are likely to expose certain species to local extinction by reducing their populations. (C) 2010 Academie des sciences. Published by Elsevier Masson SAS. All rights reserved.

引用

页码：670 / 679

页数：10

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