fa بررسی ارتباط ترکیب جمعیتی آرتمیا با برخی فاکتورهای آب و فیتوپلانکتون های تالاب میقان اراک تخصصي Special پژوهشي Research <div style="text-align: justify;"><span style="font-size:11pt"><span style="line-height:normal"><span style="tab-stops:dotted 425.25pt blank 538.6pt"><span style="direction:rtl"><span style="unicode-bidi:embed"><span style="font-family:Calibri,sans-serif"><b><span lang="AR-SA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">مقدمه:</span></span></span></b><span lang="AR-SA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black"> تالاب میقان در مرکز ایران و در فاصله 8 کیلومتری شمال</span></span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">شرقی</span></span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">کلانشهر</span></span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">اراک</span></span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">و</span></span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">5</span></span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">کیلومتری جنوب</span></span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">غربی</span></span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">شهرداود</span></span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">آباد واقع</span></span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">شده</span></span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">‌است و یکی</span></span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">از</span></span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">مرتفع‌ترین</span></span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">شوره‌زارهای</span></span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">ایران است. </span></span></span><span lang="FA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">آرتمیا به</span></span></span> <span lang="FA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">عنوان یک گونه مهم در اکوسیستم‌های آب</span></span></span> <span lang="FA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">شور شناخته شده و ارزش اقتصادی و زیست</span></span></span> <span lang="FA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">محیطی زیادی دارد. </span></span></span></span></span></span></span></span></span><br> <span style="font-size:11pt"><span style="line-height:normal"><span style="tab-stops:dotted 425.25pt blank 538.6pt"><span style="direction:rtl"><span style="unicode-bidi:embed"><span style="font-family:Calibri,sans-serif"><b><span lang="FA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">مواد و روش</span></span></span></b><b> </b><b><span lang="FA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">ها:</span></span></span></b><span lang="FA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black"> در این</span></span></span> <span lang="FA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">مطالعه جهت بررسی ترکیب جمعیتی آرتمیا و فیتوپلانکتون</span></span></span> <span lang="FA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">ها در</span></span></span> <span lang="FA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">تالاب</span></span></span> <span lang="FA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">میقان اراک</span></span></span> <span lang="FA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">&nbsp;18 ایستگاه منتخب</span></span></span> <span lang="FA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">در بازه زمانی اسفند 1397 تا بهمن 1398 از نظر </span></span></span><span lang="AR-SA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">میزان سیست، ناپلی، متاناپلی، بالغ ماده و نر، تراکم فیتوپلانکتون و فاکتورهای فیزیکی و شیمیایی آب مورد مطالعه قرار گرفتند.</span></span></span></span></span></span></span></span></span><br> <span style="font-size:11pt"><span style="line-height:normal"><span style="tab-stops:dotted 425.25pt blank 538.6pt"><span style="direction:rtl"><span style="unicode-bidi:embed"><span style="font-family:Calibri,sans-serif"><b><span lang="AR-SA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">نتایج:</span></span></span></b> <span lang="FA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">نتایج بررسی تغییرات در جمعیت آرتمیا (سیست، متا ناپلی، ناپلی، بالغ نرو ماده) در طول سال حاکی از تاثیر تغییرات فصلی و عوامل</span></span></span> <span lang="FA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">محیطی مانند دما، شوری و آلاینده‌ها بر ترکیب</span></span></span> <span lang="FA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">جمعیتی آرتمیا و بقای آن بود. به</span></span></span> <span lang="FA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">طوری</span></span></span> <span lang="FA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">که در آذر</span></span></span> <span lang="FA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">ماه </span></span></span><span lang="AR-SA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">حداکثرمیزان سیست و زی‌توده و درماه</span></span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">های خرداد و شهریور مقادیر کمتر مشاهده گردید. طبق نتایج به</span></span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">دست آمده میزان سیست و زی</span></span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">توده با دمای آب و </span></span></span><span dir="LTR" style="font-size:10.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">pH</span></span></span><span lang="AR-SA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black"> و تراکم فیتوپلانکتونی ارتباط منفی و با اکسیژن محلول و شوری آب ارتباط مثبت و معنی</span></span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">دار داشت. به</span></span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">غیر از خرداد ماه</span></span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">که</span></span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">جلبک</span></span></span> &nbsp;<i><span dir="LTR" style="font-size:10.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">Nitzschia</span></span></span></i><span lang="FA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">فراوانی زیادی داشت در طول سال </span></span></span><span lang="AR-SA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">جلبک دونالیلا</span></span></span> <span lang="FA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">فراوان</span></span></span> <span lang="FA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">ترین </span></span></span><span lang="AR-SA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">جلبک</span></span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">مشاهده</span></span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">شده</span></span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">در</span></span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">آب</span></span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">دریاچه</span></span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">میقان</span></span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">بود</span></span></span><span lang="FA" style="font-size:12.0pt"><span b="" baran="" style="font-family:"><span style="color:black">. </span></span></span></span></span></span></span></span></span><br> <b><span dir="RTL" lang="FA" style="font-size:12.0pt"><span style="line-height:107%"><span b="" baran="" style="font-family:"><span style="color:black">بحث و نتیجه</span></span></span></span> <span dir="RTL" lang="FA" style="font-size:12.0pt"><span style="line-height:107%"><span b="" baran="" style="font-family:"><span style="color:black">گیری:</span></span></span></span></b><span dir="RTL" lang="FA" style="font-size:12.0pt"><span style="line-height:107%"><span b="" baran="" style="font-family:"><span style="color:black"> جهت بهره</span></span></span></span> <span dir="RTL" lang="FA" style="font-size:12.0pt"><span style="line-height:107%"><span b="" baran="" style="font-family:"><span style="color:black">برداری پایدار از این ذخایر با ارزش راهکارهای مدیریتی نیازمند مطالعات بیشتر با مد نظر قرار دادن شرایط خاص و ناپایدار تالاب میقان وابسته به هر فصل می</span></span></span></span> <span dir="RTL" lang="FA" style="font-size:12.0pt"><span style="line-height:107%"><span b="" baran="" style="font-family:"><span style="color:black">باشد.</span></span></span></span></div> <div style="text-align: justify;"><span style="font-size:11pt"><span style="line-height:normal"><span style="font-family:Calibri,sans-serif"><b><span style="font-size:12.0pt"><span style="font-family:&quot;Times New Roman&quot;,serif">Introduction:</span></span></b><span style="font-family:&quot;Times New Roman&quot;,serif"> Meighan wetland is located in central Iran at 8 km northeastern of Arak mega city and 5 km southwestern of Davoodabad town. It is one of the highest salt waters of Iran. Artemia has been identified as a crucial species in saline waters ecosystems and contains high economic and environmental values.</span></span></span></span><br> <span style="font-size:11pt"><span style="line-height:normal"><span style="font-family:Calibri,sans-serif"><b><span style="font-size:12.0pt"><span style="font-family:&quot;Times New Roman&quot;,serif">Materials & Methods:</span></span></b><span style="font-family:&quot;Times New Roman&quot;,serif"> In this study, 18 sampling sites were sampled to determine the concentration of cysts, naupli, metanaupli, adult females and males, phytoplankton during Marc</span>h<span style="font-family:&quot;Times New Roman&quot;,serif"> 2016 to February 2017. Also, some physical and chemical factors were analyzed in this study.</span><span style="font-size:10.0pt"><span style="color:black"></span></span></span></span></span><br> <span style="font-size:11pt"><span style="line-height:normal"><span style="font-family:Calibri,sans-serif"><b><span style="font-size:12.0pt"><span style="font-family:&quot;Times New Roman&quot;,serif">Results:</span></span></b> <span style="font-family:&quot;Times New Roman&quot;,serif"><span style="color:black">The results showed that ecological parameters such as seasonal variations of water temperature, salinity and pollutants had effects on <i>Artemia</i> population composition and survival, so that in the September, the highest cysts and biomass and in June and September, lower concentrations were reported. According to the results, cysts and biomass of <i>Artemia</i> had negative correlation with water temperature, pH and phytoplankton and positively and significantly correlated with DO and water temperature. Except for June in which <i>Nitzschia </i>had high abundance, during other months <i>Dunaliella</i> was the most abundant alga of </span></span><span lang="EN" style="font-family:&quot;Times New Roman&quot;,serif"><span style="color:black">Meighan </span></span><span style="font-family:&quot;Times New Roman&quot;,serif"><span style="color:black">Lake.</span></span></span></span></span><br> <b><span style="font-size:12.0pt"><span style="line-height:107%"><span style="font-family:&quot;Times New Roman&quot;,serif">Conclusion:</span></span></span></b> <span style="font-size:10.0pt"><span style="line-height:107%"><span style="font-family:&quot;Times New Roman&quot;,serif"><span style="color:black">In order to exploit stably by management approaches, more studies are needed for each season with regard to particular and unstable conditions of </span></span></span></span><span lang="EN" style="font-size:10.0pt"><span style="line-height:107%"><span style="font-family:&quot;Times New Roman&quot;,serif"><span style="color:black">Meighan </span></span></span></span><span style="font-size:10.0pt"><span style="line-height:107%"><span style="font-family:&quot;Times New Roman&quot;,serif"><span style="color:black">wetland.</span></span></span></span></div> آرتمیا, تالاب میقان, ترکیب جمعیتی, فاکتورهای فیزیکو شیمیایی آب, دریاچه شور Artemia, Meighan Wetland, Population Composition, Physicochemical Parameters of Water, Saline Lake 47 56 http://journalaer.com/browse.php?a_code=A-10-2-92&slc_lang=fa&sid=1 Ali Nekoueifard علی نکوئی فرد 10031947532846001174 10031947532846001174 No Masoud Seidgar مسعود صیدگر seidgar2011@gmail.com 10031947532846001175 10031947532846001175 Yes Fereydoun Mohebbi فریدون محبی 10031947532846001176 10031947532846001176 No Zhaleh Alizadeh Osalou ژاله علیزاده اوصالو 10031947532846001177 10031947532846001177 No Mahmoud Hafezieh محمود حافظیه 10031947532846001178 10031947532846001178 No Asad Abbaspour Anbi اسد عباسپور انبی 10031947532846001179 10031947532846001179 No