منابع مشابه
THE FLORA OF THREATENED BLACK ALDER FORESTS IN THE CASPIAN LOWLANDS, NORTHERN IRAN
The Caspian (Hyrcanian) lowland forest zone in northern Iran is characterized by small remnant alder forest communities, dominated or subdominated with an Euxino-Hyrcanian element, Alnus glutinosa ssp. barbata. The first floristic inventory of these alder forests in northern Iran is presented. The floristic catalogue is based on the data of 133 phytosociological releves in eight different alder...
متن کاملEstimating the size of the world's threatened flora.
The most commonly cited figure for the fraction of the global flora threatened with extinction—13%—is known to be a serious underestimate, because it does not include a reliable tally of species at risk in the tropical latitudes where most of the world’s plants grow (1, 2). Here we estimate the missing tropical data from global patterns of plant endemism. The results suggest that as many as hal...
متن کاملThe marine algal (seaweed) flora of the Azores: additions and amendments
Thirteen species of benthic marine algae are reported new for the isolated mid-Atlantic Azores archipelago and five older records are confirmed. Seven (Bangia atropurpurea, Codium fragile spp. tomentosoides, Ectocarpus fasciculatus, E. siliculosus, Porphyrostromium ciliare, Ulothrix flacca and Ulvaria oxysperma) are widespread amphi-Atlantic species some of which extend in distributional range ...
متن کاملthe relationship between learners critical thinking ability and their performance in the reading sections of the tofel and ielts test
the study reflected in this thesis aims at finding out relationships between critical thinking (ct), and the reading sections of tofel and ielts tests. the study tries to find any relationships between the ct ability of students and their performance on reading tests of tofel and academic ielts. however, no research has ever been conducted to investigate the relationship between ct and the read...
15 صفحه اولFlora, life forms and chorology of plant species in the Deh-Kohneh Forest in Sepidan, Fars Province, Iran
A forest area in Deh-Kohneh, the northwest of Fars Province, Iran was studied from a floristic and ecological point of view. The species were classified according to their growth habit. Raunkiaer’s life - forms systemwere used to characterize the flora of the study area. The location has a surface area of 466 ha by minimum altitude at 2100m and maximum at 2554m, between 30 ° 21΄ 32˝ to 30° 23΄ ...
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ژورنال
عنوان ژورنال: Oryx
سال: 1989
ISSN: 0030-6053,1365-3008
DOI: 10.1017/s0030605300022882