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Horizontalland VerticalDistribution ofChlorophyll phaeophytine and Bacteriain The Natural Borg Islam During Spring and Summar

التوزع الأفقي و العمودي للأصبغة اليخضورية و السمراوية و البكتيريا في منظومة برج إسلام البيئية خلال فترتي الربيع و الصيف

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 Publication date 2015
  fields Biology
and research's language is العربية
 Created by Shamra Editor




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general study of counted Bacteria and Chlorophyll a Give us an initial picture to the environment safety and vitality of marine environmental, which constitutes one of the basic components. In this paper, we show the most important results related to horizontal and vertical changes of temperature and counted Bacteria, the concentrations of dyes Chlorophyll a,phaeophytine and relationships between them to depth of 300 m. The study showed a high degree in deep-water temperature reached to about two degrees in recent decades. as well as significant decrease in counted Bacteria (800 - 12750CFU / 100 ml) and dyes Chlorophyll a (under detection threshold - 0.24 mg / l) and phaeophytine (under the detection threshold - 0.064 mg / l), which refers to the weakness in the wild tributaries and low nutrients that reaches to the beaches and marine wealth , which reflect the negative impacts on marine environment.


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Research summary
تتناول هذه الدراسة التوزع الأفقي والعمودي للأصبغة اليخضورية والسمراوية والبكتيريا في منطقة برج إسلام البيئية خلال فترتي الربيع والصيف. تهدف الدراسة إلى تقديم صورة أولية عن سلامة البيئة البحرية المدروسة والمخزون الحيوي الأولي للنظام البيئي البحري. أظهرت النتائج ارتفاع درجة حرارة المياه العميقة بمقدار درجتين مئويتين تقريبًا خلال العقود الأخيرة، وانخفاض كبير في التعداد العام للبكتيريا وتراكيز الأصبغة اليخضورية والسمراوية. يشير هذا الانخفاض إلى ضعف الروافد البرية وانخفاض المغذيات الواصلة إلى الشواطئ البحرية، مما يؤثر سلبًا على البيئة البحرية. تم تحديد محطات الدراسة في منطقة برج إسلام شمال مدينة اللاذقية، وتم جمع العينات خلال فترتي الربيع والصيف باستخدام تقنيات مختلفة لتحليل التعداد البكتيري وتراكيز الأصبغة. أظهرت النتائج أن المنطقة المدروسة فقيرة التغذية وبعيدة عن مصادر التلوث، مما يعكس انخفاضًا كبيرًا في الإنتاجية الأولية والثانوية.
Critical review
تقدم هذه الدراسة نظرة شاملة ومهمة حول التوزع الأفقي والعمودي للأصبغة اليخضورية والسمراوية والبكتيريا في منطقة برج إسلام البيئية. ومع ذلك، يمكن توجيه بعض النقد البناء للدراسة. أولاً، كان من الممكن أن تكون الدراسة أكثر شمولية إذا تم تضمين فترات زمنية أطول ومواسم مختلفة لتحليل التغيرات الموسمية بشكل أعمق. ثانيًا، يمكن أن تكون الدراسة أكثر استفادة إذا تم تضمين تحليل للعوامل البيئية الأخرى مثل تأثير التلوث الصناعي والزراعي على المنطقة. ثالثًا، كان من الممكن أن تكون النتائج أكثر دقة إذا تم استخدام تقنيات حديثة ومتقدمة لتحليل البيانات. على الرغم من هذه النقاط، تظل الدراسة ذات قيمة كبيرة في تقديم فهم أولي للتغيرات البيئية في المنطقة المدروسة.
Questions related to the research
  1. ما هي الأهداف الرئيسية للدراسة؟

    تهدف الدراسة إلى تقديم صورة أولية عن سلامة البيئة البحرية المدروسة والمخزون الحيوي الأولي للنظام البيئي البحري في منطقة برج إسلام خلال فترتي الربيع والصيف.

  2. ما هي النتائج الرئيسية التي توصلت إليها الدراسة؟

    أظهرت الدراسة ارتفاع درجة حرارة المياه العميقة بمقدار درجتين مئويتين تقريبًا خلال العقود الأخيرة، وانخفاض كبير في التعداد العام للبكتيريا وتراكيز الأصبغة اليخضورية والسمراوية، مما يشير إلى ضعف الروافد البرية وانخفاض المغذيات الواصلة إلى الشواطئ البحرية.

  3. ما هي أهمية الدراسة؟

    تعتبر الدراسة مهمة لأنها تقدم فهمًا أوليًا للتغيرات البيئية في منطقة برج إسلام، مما يساعد في تقييم سلامة البيئة البحرية والمخزون الحيوي الأولي للنظام البيئي البحري.

  4. ما هي التوصيات التي قدمتها الدراسة؟

    توصي الدراسة بإجراء دراسات لاحقة تشمل مناطق جديدة من المياه الشاطئية السورية، تتضمن المياه تحت السطحية والعميقة، وربطها بالإنتاجية الأولية والثانوية، وتحليل تأثير السدود المائية على البيئة البحرية.


References used
ALONSO-S.L, GASOL JM., LEFORT T., HOFER J., SOMMARUGA R. Effect of natural sunlight on bacterial activity and differential sensitivity of natural bacterioplankton groups in Northwestern Mediterranean coastal waters. Appl Environ Microbiol,2006,72:5806–5813
APHA. Standard Methods for the Examination of Water and Wastewater. 20th edn. American Public Health Association. 1998, Washington D.C
AZAM F. Microbial Control Of Oceanic Carbon. The Plot Thickens. Science1998, 280:694–696
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هل ترغب بارسال اشعارات عن اخر التحديثات في شمرا-اكاديميا