Study of the genus Euphorbia and importance of its species in Iran with emphasis on biodiversity and their conservation status
Publish place: Botanical Journal of Iran، Vol: 23، Issue: 1
Publish Year: 1401
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_ROST-23-1_004
تاریخ نمایه سازی: 23 مهر 1401
Abstract:
Euphorbia (Euphorbiaceae) with more than ۲۰۰۰ species is the second largest giant genus distributed throughout the continent except the Arctic. Iran with four subgenera, ۱۹ sections, three subsections, and ۹۳ species is the second richest country after Turkey and one of the most important biodiversity centers in west Asia. Iran, is the richest concentration of endemic and subendemic Euphorbia species among West Asian countries with ۲۱ and ۳۳ species, respectively. Four northern provinces of Iran viz. Mazandaran, Khorasan, Alborz, and Eastern Azarbaijan, are the most diverse ones with ۳۰, ۲۷, ۲۶, and ۲۶ species, respectively. The lowest diversity of the genus with six and eight species occur in Qom and Bushehr provinces, respectively. The highest number of endemics was observed in Esfahan and Fars with eight and seven species, respectively, followed by Kerman, Khorasan and Mazandaran provinces with five species each. There is no endemics in Qom and Kermanshah provinces. All endemic and subendemic species in Iran were evaluated by the IUCN Red List categories and criteria. Of the ۶۰ known evaluated species at the country level, ۲۷ species was classified under threatened categories including, CR, EN, and VU with nine species each. The ۳۳ remaining species were considered as NT and LC with three and ۳۰ species, respectively.
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Authors
امیرحسین پهلوانی
Research Assistant Prof., Department of Botany, Iranian Research Institute of Plant Protection, Agricultural Research, Education and Extension Organization (AREEO), Tehran, Iran
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