Biodiversity characteristics and its measurement in Koseilyas pasture of Trakya (Thrace) region, Turkey

Canan Tuna

Abstract


This research was conducted in Koseilyas village natural pasture in Tekirdag province at Trakya (Thrace) region in Turkey. Quantitative analyses on species diversity were conducted, as well as phytogeographical analyses. Some ecological indicators were investigated such as life forms, families, phytogeographical regions, life span and frequency. The plants were distributed according to life form into hemicrytophytes, therophytes, cryptophytes, and geophytes, being 37.00, 55.50, 5.50, and 1.80 % of the vegetation. Families were determined to be 40.00 % Fabaceae, 32.00 % Poaceae, and 9.20 % Asteraceae, and other families 18.80 %. Among the analysed species, 18.10 % are Mediterranean, 7.20 % are Euro-Siberian, and 74.70 % are multi-regional or species whose phytogeographical regions are unknown. In terms of life-span, annual, perennial, and biannual represented 52.70, 43.70 and 3.60 % of the vegetation. Understanding the biological diversity of natural pastures can lead to improvement of pastures and their optimal use. Pasture management strategies change based on species compositions; and, therefore, this information should be available to select the best management strategy.
Key words: natural pasture, life form, pytogeographic region

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