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شعر و سرود - تاثیر دما بر عمق آب دریاچه

شعر و سرود

استکی،شعر،شاعر،ترانه،غزل ،مثنوی دوبیتی،رباعی

Freshwater Biology  ،  25 JUN 2012

در حال حاضر  موضوع  اثر متقابل گرم شدن زمین و ساختار و رفتار اکوسیستم های آبی نظر دانشمندان را به خود جلب نموده است. چون هم از نظر علمی و توسعه دانش بشری مورد توجه بوده و از لحاظ مدیریت منابع بسیار مهم و تعیین کننده است. مطالعات دیرین شناسی دریاچه ها نشان داده که رابطه موثری مابین افرایش دما و میزان غنای آب و پر تولیدی دریاچه ها وجود دارد.

دریاچه مجوسا در جنوب شرقی نروژ قرار دارد و در سال 1970 غنای آب آن به شدت افزایش حاصل نموده موجب نگرانی شد و به همین سبب در آن زمان تمهیدات لازم جهت کاهش میزان فسفر آب صورت گرفت.مطالعات بعدی نشان داد که به موازات کاهش فسفر و غنای آب ، زی توده فیتوپلانکتون ها کاهش یافته و در نتیجه دمای عمق آب در ناحیه اپی لیمنیون افزایش حاصل نموده و موجب پایداری و ازدیاد زمان طبقه بندی حرارتی تابستانه آب شده است.

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