An Investigation on Habitat and Population Properties of Local Endemic Erodium somanum
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Abstract
Habitat and population properties of Erodium somanum with also changing these characters timely were investigated. Distribution soils of this species are slightly alkaline, without salt and generally limes structure, adequate for ferrous but poor for phosphor. Climate type is semi-arid upper Mediterranean especially winter is cool. Distribution area of population is approximately 5 km(2). Population density calculated as 3.04. According to results of size and sexual dispersal of individuals, a total of 83% of plants in spreading area between 0 to 25 cm(2) were determined not yet attained sexual mature. The ratio of sex index in population was 1.26, average of the demographic increase of the flowering season for each year was only 35%. We suggested this species to CR B1ab(i) + (iii) in endangered groups of IUCN criteria based on the data that obtained from population studies.