Reproductive biology of the mud snail (Cerithidea Cingulata), a pest in milkfish ponds in Iloilo, Philippines.
This thesis describes the sexual dimorphism, sex ratio, gonadal maturation, mating, spawning and fecundity of the snail Cerithidea cingulata, in a brackishwater pond in Molo, Philippines. snails ranging 4-41 mm in shell length were sampled monthly from May 1997 to May 1998; 25% were <25mm, 67% w...
| المؤلف الرئيسي: | |
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| التنسيق: | أطروحة |
| اللغة: | English |
| منشور في: |
1999.
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| الموضوعات: |