ZOOL 31014

>< Type/status : Compulsory course for the students following B.Sc. (Special) Degree Programme in Zoology. Elective course for the other biological science students.
>< Title : Fisheries Biology and Aquaculture
>< Pre-requisites : G.C.E. (A/L) Biology
>< Co-requisite : ZOOL 31022
>< Objectives : By the end of this course, students will be able to demonstrate knowledge and understanding in,
1. major aspects of fish biology relevant to fisheries and basic characteristics on fish stock assessment, population dynamics and management of fish stocks;
2. principles of aquaculture, aquaculture systems, breeding, feeding and diseases of fish.
>< Course contents :

Fisheries Biology: Characteristics of fisheries, fishing gear, food and feeding of fish, reproductive biology, basic principles of fisheries management, fisheries and aquatic pollution, world fisheries, fisheries of Sri Lanka, Fish stocks and concept of unit stock; Age and growth of fish; Natural, fishing and total mortalities; Methods of fish stock identification; Fish population estimates; Surplus yield models in fish stock assessment; Dynamic pool models in fish stock assessment; Semi-quantitative methods in fish stock assessment.

Aquaculture: Aquaculture systems, desirable features of potential species for aquaculture, site selection and construction of culture facilities for freshwater edible and ornamental finfish and aquarium plants, brackishwater shrimp culture and mariculture of edible finfish and molluscs and the management of these culture systems, breeding of selected species of edible and ornamental finfish and shrimp and nutrition of different development stages of these species, common diseases of selected cultured species.

>< Methodology : A combination of lectures, tutorials and web-based studies.
>< Scheme of evaluation : End of semester examination and tutorials/assignments
>< Recommended reading:
1. King, M. (1995) Fisheries Biology, Assessment and Management, Fishing News Books, Oxford.
2. Pitcher, T.J. and Hart, P.J.B. (1982) Fisheries Ecology, Croom Helm, London.
3. Shepherd, C.J. and Bromage, N.R. (1992) Intensive Fish Farming, Blackwell Science, Oxford.
4. Pillay, T.V.R (1990) Aquaculture: Principles and Practice. Fishing News Books, Oxford.
5. Pauly, D. (1984) Fish population dynamics in tropical waters: A manual for use with programmable calculators. ICLARM, Manila.

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