Level 1G New Courses

(30 hours of lectures) 

Objectives:

  1. Define the fundamental terms in Fisheries Science.
  2. Describe the important aspects related to Fisheries Science.

Syllabus:

What is a Fishery; Components of a fishery; Fish and Fishes; Tropical and temperate species; Exploited fish species; Targeted species; Life cycles stages of a bony fish; Recruitment and Spawning; Gonado Somatic Index (GSI); Fecundity; Fishing mortality; Natural mortality; Total mortality; Continental shelf, Continental slope, Continental rise and Deep sea; Fish distribution; Productivity and fisheries; World fish production and new trends; World fish production – major species harvested; Phytoplankton in the sea; Marine energy pyramids; Fish in traditional medicine; Fishing and fishers; By-catch issue, Fishing gear and fishing practices; Lagoons,  estuaries and their fisheries; Fisheries management; Coastal, off-shore and deep sea fisheries; Fish population and fish stocks; collapsed fisheries of the world; Sri Lankan fish production and trends; Government policy on fisheries.

Evaluation:

Theory :
                In – course assessment/s :                                                                      30%

                End of Course Examination of two hours duration                               70%
                (Expected to answer four out of six questions)

(22 hours of lectures 24 hours of practical)

Objectives:

  1. Explain the evolutionary relationships of fishes.
  2. Compare and contrast the diversity and structural adaptations of fishes.

Syllabus:

Origin and evolution of fishes, Pre Devonian origin of fish, Devonian, Post Devonian, Geologic time scale, Systematics, Anatomy and Morphology, Diversity in structure and habit of fish and their adaptations; Evolutionary adaptations of commercially important bony fishes; Fossil records; Cartilaginous and bony fishes; Main features of pelagic, mid-water and deep sea fishes and their adaptations.

Evaluation:

Theory:          

              In – course assessment/s:                                                                         30%

              End of Course Examination of two hours duration                                 70%
              (Expected to answer four out of six questions)

Practical:       

              In – course assessment/s :                                                                                 

              Spot exam / Recording                                                                              30%

             End of Course Examination of two hours duration                                  70%           

Overall mark for the unit =   (3MT + 2MP)/ 5 Where MT and MP are the marks scored for theory and practical respectively.

(22 hours of lectures 24 hours of practical and field work)

Objectives:

  1. Define and explain the components of marine ecosystem.
  2. Analyze the physic chemical parameters of the marine environment.
  3. Assess the changes in oceanic environment.

Syllabus:

Origin and history of the ocean; Marine ecosystems; Classification and Zonation; Submarine geomorphology; Physical, chemical and biological properties of sea water; Sampling and sampling equipment; Methods and instrumentation; Marine communities; Collection, identification and preservation techniques; Major sources of pollution; Pollution of coastal and marine water bodies; Up-welling and productivity in sea ; Water currents and fish movements; Thermocline and fish distribution; Temperature and salinity distribution; Sea Surface Temperature and Chlorophyll distribution; Lagoons and estuaries and their classification; Large Marine Ecosystems (LMEs). 

Evaluation:

Theory:
              In – course assessment/s:                                                                                30%

              End of Course Examination of two hours duration                                        70%
              (Expected to answer four out of six questions)

Practical/ Field work:           

              In – course assessment/s:                                                                                  

              Spot exam /Recording / Field Report / Field assessment                          30%

              End Course Examination of two hours duration                                            70%    

Overall mark for the unit =   (3MT + 2MP)/ 5 Where MT and MP are the marks scored for theory and practical / field work respectively.

(22 hours of lectures 24 hours of practical and field works)

Objectives:

  1. Define and explain the principles of aquaculture.
  2. Formulate successful aquaculture practices.
  3. Appraise management practices in aquaculture.

Syllabus:

Role of aquaculture in sustaining food security and livelihoods; Types of aquaculture practices; History and status of aquaculture in the world; Asian region and Sri Lanka;  Aquaculture resources; Culturable indigenous and exotic species;  Pond culture; Water quality parameters in aquaculture; Site selection; Selection of species; Control of  pests and predators; Culture of some important invertebrates for fish food – blood worms, artemia, moina etc.;  Harvesting techniques; Hatchery and transport techniques; Best Management Practices (BMPs) in aquaculture; Fattening of commercially important species; Culturing marine animals in pens and cages; Integrated farming; Sea ranching; Culturing aquatic animals in ponds; Aquaculture and environment; Inland fisheries enhancement; Culture based fisheries.

Evaluation:

Theory :
               In – course assessment/s :                                                                        30%

               End of Course Examination of two hour duration                                   70%
               (Expected to answer four out of six questions)

Practical/ Field work :
               In – course assessment/s :
               Spot exam /Recording / Field Report / Field assessment                      30%

               End of Course Examination of two hour duration                                    70%

Overall mark for the unit =   (3MT + 2MP)/ 5 Where MT and MP are the marks scored for theory and practical / field work respectively.

Level 1G Courses

(22 hours of lectures 24 hours of practical) 

Objectives :

  1.  To enable the students to understand the fundamentals and principles of fisheries
  2.  To enable the students to be acquainted with the fisheries resources of Sri Lanka.
  3.  To enable the students to understand the status and strategies in fisheries.
           

Syllabus :

Diversity of fisheries: coastal, offshore, lagoon, fresh water, reservoir and artesanal fisheries. Fisheries resources of Sri Lanka: Physical resources - water area, present facilities, organizational set up, and institution.  Biological resources – types of fishes and non –piscine fisheries organisms in fresh waters, brackish waters and salt waters.  Other resources – Man power, capital and finance and equipment. Recreational use of water resources. Trends in World and Sri Lankan annual fisheries production. FAO statistics areas and landings. Fishery statistics of Sri Lanka – present status and scope for further development.

Reference:   

Marine fisheries ecology. Simon Jennings Michel.J.Kaiser John D.Reynolds. Blackwell publ.2001.

The ecology of fishes. Nikolsky,G.V. Academic press. 1963.

Sri Lankan fishery Year book. 1997, 2003. NARA.

Natural resources of Sri Lanka – conditions and trends. A report prepared for the natural resource, energy and science authority. 1991.

Evaluation :

Theory :      

 

In – course assessment: 
Two tutorial based examinations each of half an hour duration     

20%

One quiz examination of half an hour duration                              

10%

End of Course Examination of two hour duration                         

[Expected to answer four out of six questions]

70%

Practical:      

 

On spot evaluation at practical classes / spot exam and Recording    

30%

End of Course Examination of two hour duration         

70%  

Overall mark for the unit =   (3MT + 2MP)/ 5 Where MT and MP are the marks scored for theory and practical respectively.

(22 hours of lectures 24 hours of practical)

Objectives:

1    To enable the students to recognize the marine ecosystem.
2    To enable the students to be aware of the changes in oceanic environment.
3    To facilitate the students with skills in measurements of characters of sea water.

Syllabus:

Marine ecosystem – classification. Submarine geomorphology.  Oceanic data  and environmental  parameters – depth,  turbidity ,   temperature and heat budget in the ocean,  salinity,  pH,  oxygen,  currents: surface and deep water; upwelling; waves and tides;  Sampling and sampling equipments. Water and soil analysis. History of oceanography.  methods and instrumentation in this field. Thermodynamic properties of seawater, reaction between the sea and atmosphere, biosphere and sediment; salinity concept, chemical constants, major and minor elements. Dissolved organic chemicals and dissolved gases.  Distribution of various marine organisms and factors which influence them.

Reference:

Biological oceanography an introduction. Carol M. Lalli and Timothy R. Parsons. Butterworth –Heineman publ.1997. 

Introductory oceanography, Thurman, H.V. Charles E.Merril pub. 1975.

Elements of marine ecology, Tait, R.V.Butterworths. 1972.

Oceanography and marine biology. Barnes ,H.1959. the Mc Millan comp.

Oceanography, the last frontiers. Vetter,R.C. 1997. VOA series.

Evaluation:

Theory :                   

 

In – course assessment:

 

Two tutorial based examinations each of half an hour duration

20%

One quiz examination of half an hour duration                              

10%

End of Course Examination of two hour duration 

[Expected to answer four out of six questions]

70%

Practical: 

 

On spot evaluation at practical classes ;spot exam and Recording

30%

End of Course Examination of two hour duration

70%

Field Work :   

 

In- field assessment

50%

Report

50%

Overall mark for the unit =   (3MT + MP + MF)/ 5 Where MT, MP  and MF are the marks scored for theory,  practical and field work respectively.

(22 hours of lectures 24 hours of practical)

Objectives:

1    To enable the students to be aware of the biotic and abiotic resources.
2    To enable the students to understand the biology and ecology of planktons and mangroves.

Syllabus:

Physical resources: water, tide, waves. Recreational use of water. Biological resources – types of fishes and non piscine fisheries organisms in fresh waters, brackish waters and salt waters. Classification, biology, life cycle, reproduction and economic importance of algae.  Relationship between classes of algae. Methods for collection ,  preservation and identification of planktons.  Productivity and distribution of selected planktons. Biology and ecology of selected planktons groups.  Planktons community analysis. Mangrove and coastal vegetation. Economic important of aquatic resources.

Reference:

The fish Resources of the Ocean, J.A.Gulland

Alaska’s Fishery Resources the Shrimps, Louis Barr.

Biological oceanography an introduction. Carol M. Lalli and Timothy R. Parsons.      Butterworth –Heineman publ.1997.  

Marine Zooplankton. Wickstad,J.H. Edward Armold publ. 1976.

Evaluation:

Theory :                   

 

In – course assessment:

 

Two tutorial based examinations each of half an hour duration

20%

One quiz examination of half an hour duration                              

10%

End of Course Examination of two hour duration 

[Expected to answer four out of six questions]

70%

Practical: 

 

On spot evaluation at practical classes ;spot exam and Recording

30%

End of Course Examination of two hour duration

70%

Overall mark for the unit =   (3MT + 2MP)/ 5 Where MT and MP are the marks scored for theory and practical respectively.

(22 hours of lectures 24 hours of practical)

Objectives:

1    To enable the students to recognize the aquatic animals.
2    To enable the students to be aware of their biology and ecology.

Syllabus:

Introduction, General survey, classification, identification and biology of the principal groups of commercially important aquatic animals other than fishes. Biodiversity, Behavior, physiological process, nutrition, reproduction and their commercial value. Interaction between fish and other animals; predator prey models, Impact of fishing on their population.

Reference:

Marine fish and invertebrates of northern Europe. Frank Emil Moen and Erling Swenson. Aqua Press. 2003.

Biological oceanography an introduction. Carol M. Lalli and Timothy R. Parsons.      Butterworth –Heineman publ.

Life in the sea. Croft, J.1969. Paul Hymlyn. London.

Evaluation:

Theory :                   

 

In – course assessment:

 

Two tutorial based examinations each of half an hour duration

20%

One quiz examination of half an hour duration                              

10%

End of Course Examination of two hour duration 

[Expected to answer four out of six questions]

70%

Practical: 

 

On spot evaluation at practical classes ;spot exam and Recording

30%

End of Course Examination of two hour duration

70%

Field Work :   

 

In- field assessment

50%

 Report

50%

Overall mark for the unit =   (3MT + MP + MF)/ 5 Where MT, MP  and MF are the marks scored for theory,  practical and field work respectively.