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برخی از عوامل محیطی مؤثر بر جمعیت قاببالان آبزی منطقه اردل (Coleoptera: Dytiscidae) | ||
| فصلنامه علمی زیست شناسی جانوری تجربی | ||
| دوره 14، شماره 1 - شماره پیاپی 53، شهریور 1404، صفحه 45-54 اصل مقاله (1.15 M) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.30473/eab.2025.73827.1988 | ||
| نویسندگان | ||
| میلاد ظفری دهکهنه؛ محمد سعید حیدرنژاد* | ||
| گروه علوم جانوری، دانشکده علوم پایه، دانشگاه شهرکرد، شهرکرد، ایران | ||
| چکیده | ||
| هدف از این بررسی تأثیر برخی عوامل محیطی بر پراکنش قاببالان آبزی در شهرستان اردل، استان چهارمحال و بختیاری بود. بیش از 30000 گونه از حشرات آبزی ساکن آب شیرین وجود دارند. سوسکهای آبزی، معروف به قاببالان آبزی، یکی از معمولترین حشرات آبزی با بیش از 13000 گونه توصیف شدهاند در این مطالعه، نمونهبرداری به صورت فصلی با کمک تور نمونهبرداری مخصوص به مدت یک سال در 17 ایستگاه در منطقه اردل انجام شد و عوامل اکولوژیکی مانند دمای آب (WT)، میزان شوری (S)، اکسیژن محلول (DS) و pH آب اندازهگیری شد. دادهها با استفاده از رگرسیون خطی و همچنین با استفاده از روش تحلیل مطابقت متعارف (CCA) مورد تجزیه و تحلیل قرار گرفتند. نتایج نشان داد که نمونههای جمعآوریشده متعلق به 16 گونه، 12 جنس و پنج خانواده (Dytiscidae، Gyrinidae، Hydrophilidae، Dryopidae و Helophoridae ) هستند. خانواده Dytiscidae بیشترین تنوع گونهای و خانواده Helophoridae کمترین تنوع گونهای را دارند. دو گونه به نامهای Agabus bipustulatus و Laccobius bipunctatus فراوانترین نمونههای جمعآوریشده هستند. رگرسیون خطی و CCA دو پلات نشان داد که WT با ضریب همبستگی 1.846 بیشترین تأثیر را بر تعداد گونهها دارد. پس از آن DO با ضریب همبستگی 121/1، Sبا ضریب همبستگی 930/0 و pH با ضریب همبستگی 810/0 بیشترین تأثیر را دارند. نتایج این مطالعه نشان میدهد که عوامل اکولوژیکی مؤثر بر تعداد قاببالان آبزی منطقه عبارتند از WT > DO > S > pH. | ||
| کلیدواژهها | ||
| قاببالان آبزی؛ عوامل محیطی؛ اکولوژی | ||
| عنوان مقاله [English] | ||
| Some environmental factors influencing aquatic beetle population of Ardal area (Coleoptera: Dytiscidae) | ||
| نویسندگان [English] | ||
| Milad Zafari Dehkohneh؛ Mohammad Saeed Heydarnejad | ||
| Department of Animal Science, Faculty of Basic Science, Shahrekord University, Shahrekord, Iran | ||
| چکیده [English] | ||
| This research focused on examining various environmental factors affecting the distributions of aquatic beetles in Ardal, the city and capital of Ardal County, located in Chaharmahal and Bakhtiari province, Iran. More than 30,000 species of freshwater insects have been recognized. Aquatic beetles, referred to as aquatic Coleoptera, are among the most prevalent aquatic insects, with over 13,000 species documented. The sampling was conducted seasonally over a year at 17 sites in the Ardal area using a specific sampling net, and ecological parameters like water temperature (WT), salinity (S), dissolved oxygen (DS), and water pH were assessed. Data were examined using linear regression as well as Canonical Correspondence Analysis (CCA). The findings indicated that the gathered samples were from 16 species, 12 genera, and 5 families (Dytiscidae, Gyrinidae, Hydrophilidae, Dryopidae, and Helophoridae). The Dytiscidae family has the greatest species diversity, and the Helophoridae family has the least. The most numerous specimens collected were two species called Agabus bipustulatus and Laccobius bipunctatus. The biplots from linear regression and CCA (canonical correlation analysis) indicated that WT (correlation coefficient 1.846) exerted the most significant influence on species count had the greatest impact on the number of species. Subsequently, DO (correlation coefficient 1.121), S (correlation coefficient 0.930), and pH (correlation coefficient 0.810) exhibited the most Significant impacts. The results of this study suggest that the ecological elements influencing the population of water beetles are: WT > DO > S > pH. | ||
| کلیدواژهها [English] | ||
| Aquatic beetles, Environmental factors, Ecology | ||
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