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بررسی روابط طولی - طولی و طولی - وزنی در خرچنگ دراز دریای خزر منطقه بندر انزلی | ||
| مجله علمی شیلات ایران | ||
| مقاله 2، دوره 6، شماره 2، خرداد و تیر 1376، صفحه 9-18 اصل مقاله (241.9 K) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22092/isfj.1997.116021 | ||
| نویسنده | ||
| شهروز برادران نویری | ||
| چکیده | ||
| خرچنگ دراز ،دریای خزر | ||
| کلیدواژه‌ها | ||
| خرچنگ دراز؛ دریای خزر | ||
| عنوان مقاله [English] | ||
| Length-length and Length-weight Relationships in Astacus leptodactylus in Bandar Anzali Region | ||
| نویسندگان [English] | ||
| Sh. Baradaran noveiri | ||
| چکیده [English] | ||
| Different length - weight relationship in 1000 male and 201 female of freshwater crayfish were studied and it was revealed that the length - length relationship is best described through linear regression, while weight - length relation is best described through a multimodel one. The "r" coefficient was over 90% in all cases. It was also shown that the average length of the females was more than the males, but the average weigth of the males was more than the females. The percentage of males and females with total length more than 102 mm were 63.7% and 72.1% respectively...... | ||
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آمار تعداد مشاهده مقاله: 218 تعداد دریافت فایل اصل مقاله: 125 |
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