محاسبه شاخص‏های زیستی ماکروبنتوزها جهت ارزیابی سلامت اکولوژیکی اکوسیستم‏های آبی

نوع مقاله : مقاله کامل علمی - پژوهشی

نویسنده

استاد دانشگاه زنجان

چکیده

مهمترین موجودات زنده در تمام اکوسیستم‏ های آبی جهت ارزیابی و پیش‏بینی تغییرات اکولوژیک حتی تغییرات اقلیمی در دنیا، ماکروبنتوزها هستند. در ایران، کارایی ماکروبنتوزها در مدیریت منابع آبی حتی لیستی از خانواده‏ های موجود در اکوسیستم‏ های آبی، ناشناخته است لذا این مطالعه، اولین پژوهش به زبان فارسی است که به معرفی و نحوه محاسبه بیش از بیست شاخص‏ زیستی ماکروبنتوزها در سطح خانواده جهت سلامت اکولوژیک آب‏ها پرداخته است. شرایط اقلیمی خاص در ایران، تنوع بالایی خانواده ‏های ماکروبنتوزهای ایرانی و مسایل مربوط به بحران آب، ضرورت مطالعات اکولوژیکی را بیش از پیش می‏ کند. نتایج این مطالعه نشان می‏ دهد شاخص نسبت اکولوژیک (EQR)، جدیدترین شاخص چند معیاره اکولوژیک است که باید نسبت به بومی‏ سازی آن اقدام گیرد. به نظر می‏ رسد با توجه به شباهت محیط زیست نیمه شمالی کشور به اکوسیستم ‏های اروپایی، کارایی شاخص ‏های اروپایی مطلوب‏تر باشد.

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

Biotic Macroinvertebrate Indices to Ecological Health Assessment of Aquatic Ecosystems

چکیده [English]

Macroinvertebrates are the most important biota for assessing and predicting of ecological health variation in the world. In Iran, the feasibility of Macroinvertebrates indices is unknown for water resources management. So, the explanation of calculation methods of the biotic popular indices is the aim of this study. The specific climate condition, high diversity of macroinvertebrates and water lack in our country are causes that showed we must be serious for the bio monitoring and bio assessing of our aquatic ecosystems. The Ecological Quality Ratio (EQR) is the newest multimetric index of macroinvertebrates that should have modified for Iranian context. It seems with regarding of the similarity among Iranian and European aquatic ecosystems especially for the northern one, the European Macroinvertebrates indices would be appropriated.

کلیدواژه‌ها [English]

  • Macroinvertebrates
  • Iran
  • Water
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