Volume 12, Issue 2 (8-2018)
مرتع 2018, 12(2): 138-153 |
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Ahmadi A. Effects of Urmia Lake drying in dynamics of plant communities. مرتع 2018; 12 (2) :138-153
URL: http://rangelandsrm.ir/article-1-607-en.html
URL: http://rangelandsrm.ir/article-1-607-en.html
Abstract: (4790 Views)
Saline lands around Urmia Lake with an area of 353150 hectares located in the West Azerbaijan and East Azerbaijan provinces. In this study, the vegetation types of salt marshes around Urmia Lake were studied using the Braun-Blanquet method. Phyto-sociological data were analyzed using Factorielle des Correspondances Analyse (AFC) and Classification Ascendant Hierarchique (CAH) methods, using the Anaphyto software. In general, 16 plant associations were identified in this area. The results revealed that during the 21 years from 1995 to 2015 about 67.3 percent of plant associations were replaced by other plant associations compared to 1995. The study of canopy cover percentage showed that canopy cover decreased at least 10.4 percent in the Halanthietum rarifolii association and a maximum of 73.3 percent in the Iridetum musulmanicae association compared to 1998.
Type of Study: Research |
Subject:
Special
Received: 2018/08/12 | Accepted: 2018/08/12 | Published: 2018/08/12
Received: 2018/08/12 | Accepted: 2018/08/12 | Published: 2018/08/12
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