Search In this Thesis
   Search In this Thesis  
العنوان
Effeciency study of cages in catching of demmersal fishes in marine waters
الناشر
Suez Canal University. science of marine science
المؤلف
Rafeet,Mussalem Salem Ahmed.
هيئة الاعداد
باحث / مسلم بن سالم بن احمد رعفيت
مشرف / الاحمدي شفيق الذهبي
مشرف / طلعت هاشم الاتربي
مشرف / صلاح غريب الاتربي
تاريخ النشر
1999
عدد الصفحات
124 p.
اللغة
الإنجليزية
الدرجة
ماجستير
التخصص
Multidisciplinary تعددية التخصصات
تاريخ الإجازة
1/1/2000
مكان الإجازة
جامعة قناة السويس - كلية العلوم - علوم البحار
الفهرس
Only 14 pages are availabe for public view

from 129

from 129

Abstract

Methods of catching fish have been known since mankind,s earliest days, the old Egyptian walls painting of their temples shows a lot of fishing tools and methods the improvement of the existing techniques and the development of new ones have continued right up to the present day. Numerous method of fishing gears is used nowdays in marine waters of them the traps. Traps are mostly used as bottom fishing gear many materials such as wood iron plastic and others are used to make a trap. The shapes of trap varied depend mainly on the kind of the target species. Overall size of the trap is limited by the size of boat beside other factors. The present study is carried out to evaluate the efficiency of these traps in marine fisheries quantitatively. This efficiency are also tested under some factors and conditions. Three trapping experiment were conducted in Rysont port between 23Oct.1995 and 5May 1996. Two type of baits two different soak times two different depths.