أهم القطاعات الطحلبية القاعية السائدة في عدة مناطق من الشاطئ السوري (شمال مدينة اللاذقية)

Authors

  • مهيب اسماعيل

Abstract

تتأثر حياة وتوزع الطحالب القاعية السائدة في المنطقة الشاطئية الوسطى ( منطقة المد والجزر) بمجموعة من العوامل البيئية على الشاطئ الممتد شمال مدينة اللاذقية مسافة 7 كم بدءاً من حوض مسبح أفاميا حتى شاطئ رأس ابن هاني شمالاً , والتي تم فيها تحديد أربع محطات دراسية لأخذ العينات بشكل دوري ومنتظم (مرتين في الشهر) على العمق 0,5 - 1 م بمعدل عشر عينات كمية من كل محطة ليبلغ المجموع 80 عينة على مدى عامين ( 2008-2009 ) وعدة عينات كيفية (نوعية) .

تميزت المنطقة الشاطئية المدروسة بوجود قطاعين طحلبيين أساسيين هما القطاع الأول الشمالي  يضم  46نوعاً طحلبياً , تغطيته 50- 57 % من سطح القاع,         والقطاع الثاني الجنوبي( شمال مدينة اللاذقية مباشرة) يضم61 نوعاً طحلبياً, تغطيته 45% من سطح القاع , كلا القطاعين يميزان المياه الملوثة بالنفايات المنزلية والمخلفات النفطية لكنهما مختلفان بالتركيز.

The life and distribution of benthic algae dominant in middle coastal area (midlittoral zone) is affected by a group of ecological factors on  the Syrian coast located 7 Km  north of Lattakia city; from Aphamia summing boll until  Ras Ibn Hanee shore in the North,  where four study stations have been determined for quantitative samples (Twice a month), from 0.50 - 1 M deeps, in average 10  quantitative samples were collected from each station (in total 80 samples during 2008-2009, plus several qualitative samples)

The studied coastal areas have been distinguished  by the existence of  two essentials algae sectors: first Northern algae sector: Crystoseiretum-  Sargasossum consist of  46 algae species covered by 50-57% benthic surface,  the second Southern algae sector (in the North Lattakia city directly) Enteromorphetum – Ulvosum consist of  61 algae species, covered by 45% benthic surface.  The two studied sectors are distinguished by home waste water, and oil waste in deferent concentrations.

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Published

2019-01-10

How to Cite

اسماعيل م. (2019). أهم القطاعات الطحلبية القاعية السائدة في عدة مناطق من الشاطئ السوري (شمال مدينة اللاذقية). Tishreen University Journal -Biological Sciences Series, 32(3). Retrieved from https://journal.tishreen.edu.sy/index.php/bioscnc/article/view/6087

Issue

Vol. 32 No. 3 (2010): العلوم البيولوجية

Section

Articles

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