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Journal of Biological Sciences
  Year: 2007 | Volume: 7 | Issue: 3 | Page No.: 486-495
DOI: 10.3923/jbs.2007.486.495
Dynamics of the Structure of Phytomass of Sanliurfa`s (Turkey) Steppe Vegetation
Mustafa Aslan, Vagif Atamov , Esat Cetin and Cenap Cevheri

Abstract:
In 2001-2005, seasonal and annual dynamics of a fractional structure phytomass was studied of, Artemiso herba albae-Teucrietum poliae ass.nova, Thymo loucicaulisae-Phlomisetum kurdiae ass.nova and Astragalo lamarki-Stipetum holocericeae ass.nova of Sanliurfa. Middle age reserves analysis different fractions of vegetations matteral lowed to expose it dynamics during the years. In favourable years the average reserves could achieve 130 g cm-2. Common reserve of the underground and over ground vegetation material in an ecosystem of steppe`s, on average of 5 years, make up 932.6 g cm-2. Artemisia herba-alba Asso, Teucrium polium L., Thymus longicaulis C. Presl subsp. longicaulis var. longicaulis, Phlomis kurdica Rech. Fil., Astragalus lamarckii Boiss. and Stipa holosericea Trin. which are very common in Sanliurfa`s steppe vegetation was investigated in terms of their agrobotanical properties. It was found that, phytomass between 41-497 g m-2, over soil phytomass 5-29 g m-2 and under soil was 35-473 g m-2 for the above three formation. The ration between over and under soil phytomass was changing from 1/0.3 to 1/0.7. About 30-50% of general phytomass was found to belong to Artemisia herba-alba, Teucrium polium, Thymus longicaulis, Phlomis kurdica, Astragalus lamarckii, Stipa holosericea. A significant amount (90%) of over soil phytomass was 0-30 cm over soil and a significant amount (80%) of under soil phytomass was 0-20 cm over the upper soil layer. When over soil phytomass was examined in terms of their agrobotanical fraction`s (Poaceae, Fabaceae and various grasses. Fabaceae was made up a very small fraction (3.7 cm2). On the other hand, this value was 59.1-183.6 cm2 for Poaceae and it was 48.5-79.1 cm2 for various grasses. As a result, it was found that, over soil phytomass was settled as two levels (10-30 and 20-60 cm) while under soil phytomass was settled as one level (0-20 cm) in steppe.
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How to cite this article:

Mustafa Aslan, Vagif Atamov , Esat Cetin and Cenap Cevheri , 2007. Dynamics of the Structure of Phytomass of Sanliurfa`s (Turkey) Steppe Vegetation. Journal of Biological Sciences, 7: 486-495.

DOI: 10.3923/jbs.2007.486.495

URL: https://scialert.net/abstract/?doi=jbs.2007.486.495

 
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