fa برآورد شاخص یکپارچگی زیستی جوامع کف زی (B-IBI) و کیفیت آب تالاب شادگان با استفاده از جوامع ماکروبنتوزها شیلات Fisheries پژوهشي Research <div style="text-align: justify;"><span style="font-size:11pt"><span style="text-justify:kashida"><span style="text-kashida:0%"><span style="line-height:normal"><span style="direction:rtl"><span style="unicode-bidi:embed"><span style="font-family:Calibri,sans-serif"><span lang="FA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:">این پژوهش باهدف ارزیابی کیفیت آب تالاب شادگان با استفاده از </span></span><span lang="AR-SA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:">شاخص یکپارچگی زیستی جوامع کف زی </span></span><span lang="FA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:">ماکروبنتوزها (</span></span><span dir="LTR" new="" roman="" style="font-family:" time="">B-IBI</span><span lang="FA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:">) انجام شد.</span></span> <span lang="FA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:">این </span></span><span lang="AR-SA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:">مطالعه در فصل بهار و تابستان سال 1391 در تالاب شادگان انجام شد.</span></span> <span lang="FA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:">با توجه به منابع ورودی آلاینده و تأثیرگذار بر سلامت اکوسیستم تعداد 6 ایستگاه انتخاب شد.</span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:">نمونه‌برداری از رسوبات بستر در 6 ایستگاه (هر</span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:">یک با چهار تکرار) با استفاده از گرب پترسون با سطح مقطع </span></span><span lang="FA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:">225</span></span> <span lang="FA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:">سانتی</span></span><span lang="AR-SA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:">متر مربع انجام شد</span></span><span dir="LTR" lang="EN-GB" new="" roman="" style="font-family:" time="">.</span><span lang="FA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:"> از</span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:">هر</span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:">ایستگاه</span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:">سه</span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:">نمونه</span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:">رسوب</span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:">برای</span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:">جداسازی</span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:">و</span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:">شناسایی</span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:">درشت</span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:">بی‌مهرگان</span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:">کف زی</span></span><span lang="FA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:">،</span></span> <span lang="FA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:">یک نمونه برای آنالیز دانه‌بندی رسوبات و سنجش میزان مواد آلی درون رسوبات برداشت شد</span></span><span lang="AR-SA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:">.</span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:">جهت تعیین درصد مواد آلی رسوبات از روش سوختن در کوره الکتریکی و به‌منظور آنالیز دانه‌بندی رسوبات از روش <span style="color:black">سری الک‌های استاندارد استفاده شد</span></span></span><span lang="FA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:"><span style="color:black">. </span></span></span><span lang="AR-SA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:"><span style="color:black">پارامترهای</span></span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:"><span style="color:black">فیزیکی و شیمیایی</span></span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:"><span style="color:black">آب</span></span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:"><span style="color:black">مانند دما،</span></span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:"><span style="color:black">اکسیژن</span></span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:"><span style="color:black">محلول،</span></span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:"><span style="color:black">شوری،</span></span></span><span dir="LTR" new="" roman="" style="font-family:" time=""><span style="color:black">pH</span></span> <span lang="FA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:"><span style="color:black">و</span></span></span> <span lang="FA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:"><span style="color:black">هدایت الکتریکی </span></span></span><span lang="AR-SA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:"><span style="color:black">با</span></span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:"><span style="color:black">سه</span></span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:"><span style="color:black">بار</span></span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:"><span style="color:black">تکرار</span></span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:"><span style="color:black">در</span></span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:"><span style="color:black">هر</span></span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:"><span style="color:black">مرحله</span></span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:"><span style="color:black">از</span></span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:"><span style="color:black">نمونه‌برداری</span></span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:"><span style="color:black">انجام</span></span></span> <span lang="AR-SA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:"><span style="color:black">گرفت</span></span></span><span dir="LTR" new="" roman="" style="font-family:" time=""><span style="color:black">.</span></span><span lang="AR-SA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:"><span style="color:black"> در طول دو فصل نمونه‌برداری جمعاً 16 گونه از 5 رده جانوری ماکروبنتوزها شناسایی و شمارش شد. بیشترین درصد فراوانی مربوط به رده شکم پایان (79/93 درصد) و پس‌ازآن رده دوکفه‌ای‌ها (35/5 درصد) در هر دو فصل بود. در این مطالعه از شاخص یکپارچگی زیستی جوامع کف زی (</span></span></span><span dir="LTR" new="" roman="" style="font-family:" time=""><span style="color:black">B-IBI</span></span><span lang="AR-SA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:"><span style="color:black">)</span></span></span><span lang="FA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:"><span style="color:black"> ده معیاره استفاده شد. نتایج آنالیز آماری<b> </b>شاخص<b> </b></span></span></span><span dir="LTR" new="" roman="" style="font-family:" time=""><span style="color:black">B-IBI</span></span><span lang="FA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:"><span style="color:black"> نشان می‌دهد که در فصل بهار ایستگاه 4 با سایر ایستگاه‌ها اختلاف معنی‌داری داشت (5 0/0></span></span></span><span dir="LTR" new="" roman="" style="font-family:" time=""><span style="color:black">P</span></span><span lang="FA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:"><span style="color:black">). مقایسه میانگین شاخص </span></span></span><span dir="LTR" new="" roman="" style="font-family:" time=""><span style="color:black">B-IBI</span></span><span lang="FA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:"><span style="color:black"> در دو فصل موردمطالعه اختلاف معنی‌داری</span></span></span><span lang="FA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:"> را نشان داد (5 0/0></span></span><span dir="LTR" new="" roman="" style="font-family:" time="">P</span><span lang="FA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:">). </span></span><span lang="AR-SA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:">بر اساس نتایج شاخص </span></span><span dir="LTR" new="" roman="" style="font-family:" time="">B-IBI</span><span lang="AR-SA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:">،</span></span><span lang="FA" style="font-size:12.0pt"><span b="" mitra="" style="font-family:"> کیفیت آب ایستگاه‌های موردنظر در دو فصل بهار و تابستان در طبقه کیفی آسیب‌دیدگی زیاد قرار گرفت. درنهایت نتایج این پژوهش نشان داد که تالاب شادگان تحت تأثیر آلودگی‌های ناشی از فعالیت‌های انسانی بوده است. لذا به نظر می‌رسد اعمال قوانین مدیریتی منسجم و آموزش صحیح مردم منطقه می‌تواند تا حد زیادی در بهبود وضعیت این تالاب مؤثر باشد.</span></span><span lang="FA" style="font-size:12.0pt"><span style="font-family:"B Mitra""></span></span></span></span></span></span></span></span></span></div> <div style="text-align: justify;"><span style="font-size:11pt"><span style="text-autospace:none"><span style="line-height:115%"><span style="font-family:Calibri,sans-serif"><span style="font-size:12.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times="">T</span></span></span><span lang="EN" style="font-size:12.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times="">his study aimed to evaluating water quality of Shadegan wetland using </span></span></span><span style="font-size:12.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times="">Benthic Index of Biotic Integrity</span></span></span><span lang="EN-GB" style="font-size:12.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""> (B-IBI)</span></span></span><b> </b><span style="font-size:12.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times="">&nbsp;of</span></span></span> <span lang="EN-GB" style="font-size:12.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times="">macrobenthos communities.</span></span></span><span lang="EN" style="font-size:12.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""> This study was conducted in the spring and summer 2012 in Shadegan wetland</span></span></span><span lang="EN-GB" style="font-size:12.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times="">. According to the source of pollutants and impact on ecosystem health, 6 stations were selected. Sampling was conducted from sediment samples with four replications using Peterson grab with a surface area of 225 (cm2) was used. </span></span></span><span style="font-size:12.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times="">From</span></span></span><span lang="EN-GB" style="font-size:12.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""> each station ,3 sediment samples for the isolation and identification of benthic macro invertebrates and one sample for grain size analysis and organic matter in sediments measure was taken.Total organic matter and grain size were measured by ignition loss method and sieve method respectively. Physicochemical parameters of water such as temperature, dissolved oxygen, salinity, pH ,EC were taken in three times at each stage. During the two seasons sampling, totally 16 species of 5 class macrobenthos were counted and identified. Among the identified group Gastropoda (% 93/79) and then Bivalvia (%5/35) were the most common between two seasons. In this study, B-IBI index 10 criteria were used. The results of B-IBI statistical analysis show that in spring ,station 4 and in summer stations 3 and 4 with the other stations were significant difference (P< 0/05). Comparison of mean B-IBI in two seasons show significant difference (P<0/05). </span></span></span><span lang="EN" style="font-size:12.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times="">Based on the results of B-IBI index, the water quality of the stations in the two seasons of spring and summer was in the quality category of high damage</span></span></span><span lang="EN-GB" style="font-size:12.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times="">.</span></span></span> <span lang="EN" style="font-size:12.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times="">Finally, the results of this study showed that Shadegan wetland has been affected by pollution caused by human activities. Therefore, it seems that the application of coherent management laws and proper education of the people of the region can be very effective in improving the condition of this wetland.</span></span></span><span style="font-size:12.0pt"><span style="line-height:115%"><span style="font-family:"Times New Roman",serif"></span></span></span></span></span></span></span></div> تالاب شادگان, بی‌مهرگان کف زی, کیفیت آب, شاخص یکپارچگی زیستی جوامع کف زی (B-IBI). Shadegan wetland, Macro invertebrates, Water quality, Benthic Index of Biotic Integrity (B-IBI) 47 62 http://jmb.ahvaz.iau.ir/browse.php?a_code=A-10-660-2&slc_lang=fa&sid=1 حدیث جعفرآقایی 10031947532846006877 10031947532846006877 No مریم محمدی روز بهانی 10031947532846006878 10031947532846006878 Yes عبدالرحمن راسخ 10031947532846006879 10031947532846006879 No