بررسی تنوع و جمعیت پرندگان خشکی زی حاشیه تالاب میانگران در دو فصل زمستان و بهار

محورهای موضوعی : گیاهان دارویی ، فلور، تنوع زیستی

بهروز بهروزی راد ¹

1 - محیط زیست، واحد اهواز، دانشگاه آزاد اسلامی، اهواز، ایران عضو هیئت علمی

تاریخ دریافت : 1396/05/11 تاریخ پذیرش : 1396/08/10 تاریخ انتشار : 1396/09/01

کلید واژه: جمعیت, پرندگان خشکی زی, تنوع گونه, تالاب میانگران,

چکیده مقاله :

در این بررسی 32 گونه پرنده خشکی زی، از 17 تیره در حاشیه تالاب میانگران شناسایی شد. شناسایی پرندگان هرماه یک روز از دی‌ماه سال 1395 تا پایان خردادماه سال 1396 با پیاده‌روی در حاشیه تالاب با دوربین چشمی 10×40 زایس و تلسکوپ 15×60 به روش مشاهده مستقیم و تمام شماری Total count با هدف بیان اهمیت بوم سازگان تالابی میانگران برای پرندگان خشکی زی انجام‌شده است. درمجموع 1643 پرنده خشکی زی شمارش شد که بیشترین تعداد در بهمن‌ماه 386 قطعه و کمترین تعداد در خردادماه 209 قطعه و بیشترین جمعیت پرندگان 970 قطعه در زمستان و کمترین جمعیت در بهار 673 پرنده شمارش‌شده است. بیشترین یکنواختی در اسفندماه (691/0) و کم‌ترین یکنواختی در خردادماه (448/0) بود. بیشترین تنوع گونه‌ای مارگالف، شانون، و منهینیک در اسفندماه به ترتیب 926/4، 807/1 و 854/2 بود. تنوع β ویتاکر، هریسون و ویلیام در بین دو فصل زمستان و بهار صفر بود. ضریب تشابه بین جامعه پرندگان خشکی زی در دو فصل زمستان و بهار 5/95 درصد و تفاوت اقلیدسی 22/125 بود. آزمون t نشان داد تفاوت معنی‌داری بین جمعیت و تعداد گونه در دو فصل بهار و زمستان باحدود اطمینان 95 درصد وجود ندارد. این بررسی نشان داد نقش تالاب میانگران برای تامین زیستگاه برای پرندگان خشکی زی نیز دارای اهمیت است و بایستی در مدیریت و حفاظت آن مورد توجه قرار گیرند.

چکیده انگلیسی:

In this study, 32 bird species from 17 families on the margin of Miangharan wetland were identified. The identification of birds carried out every month in a day from December 2017 to the end of June 2017 by walking along the edge of the Miangharan marsh with the camera and the telescope through direct observation and the total count method. A total of 1,643 birds was counted, with the highest number in February of 386, and the lowest number in June was 209 individuals, and the highest number of birds was 970 in the winter and the lowest population in the spring of 673 birds. The similarity coefficient between the community of terrestrial birds in winter and spring was 95.5% and Euclidean difference was 125.22. The highest evenness was observed in March (0.691) and the lowest evenness was in June (0.448). The most diversity of Margalf, Shannon, and Menhinink were in March, 926/4, 807/1 and 854/2 respectively. Diversity of Whitaker, Harrison and William were zero in between winter and spring bird communities. The t-test showed that there was no significant difference between population and the number of species in both spring and winter seasons with 95% confidence. These studies have shown that the Miangharan wetland, in addition to protecting and maintaining waterbirds in the winter, is also important for the conservation and provides habitats for terrestrial birds and should be considered in its management.

منابع و مأخذ:

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