| تعداد نشریات | 286 |
| تعداد نشریات سازمان | 84 |
| تعداد شماره‌ها | 2,829 |
| تعداد مقالات | 32,098 |
| تعداد مشاهده مقاله | 40,862,917 |
| تعداد دریافت فایل اصل مقاله | 18,112,532 |
مطالعه روند صید و مهاجرت ماهی مرکب در آبهای استان بوشهر (سال 76-1375 ) | ||
| مجله علمی شیلات ایران | ||
| مقاله 4، دوره 8، شماره 4، آذر و دی 1378، صفحه 57-72 اصل مقاله (861.45 K) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22092/isfj.1999.116395 | ||
| نویسنده | ||
| نصیر نیامیمندی | ||
| چکیده | ||
| مطالعه روند صید و مهاجرت ماهی مرکب در آبهای استان بوشهر (سال 76-1375 ) | ||
| کلیدواژه‌ها | ||
| مهاجرت؛ ماهی مرکب؛ آبهای استان بوشهر؛ ایران | ||
| عنوان مقاله [English] | ||
| Study on Fishing and Immigration Process of Cuttle Fish in Waters of Bushehr Province (1996-1997) | ||
| نویسندگان [English] | ||
| N. Niamimandi | ||
| چکیده [English] | ||
| The survey for opening cuttlefish catch season has started from January. According to the results it has been allowed to begin fishing in Motaf and Tangistan areas on 24 February and Bahr-e-Kansar to Bushehr areas on 2nd March. The survey continued to study of biological behavior during the catch. In the begining of fishing season, the number of males and females was equal but in the end of catch period, the females were more than males. The diameters of eggs were recorded from 3mm to 11mm. The numbers off eggs were various in adults. The number of these eggs was 720 in Max. and 230 in Min. Catch reduction begins from April. The closure of fishing season has been announced in April. because of their migration to neighboring. The results show that cuttlefish migrates from Saudi Arabia, Kuwait and Iraq coastal waters to Iranian waters and return to the first place after spawning. | ||
| کلیدواژه‌ها [English] | ||
| Cuttlefish, Fishing, Immigration, Bushehr Province, Iran | ||
| مراجع | ||
|
| ||
|
آمار تعداد مشاهده مقاله: 212 تعداد دریافت فایل اصل مقاله: 159 |
||