Aquatic Biology

Paper Code: 
DZOL601A T
Credits: 
4
Contact Hours: 
60.00
Max. Marks: 
100.00
Objective: 

Course

Learning outcomes

(at course level)

Learning and teaching strategies

Assessment Strategies

Paper Code

Paper Title

DZOL601A T

Aquatic biology

 

 

The students will be able to-

 

CO1: Understand the structure and function of various aquatic biomes

CO2: Describe unique and general characters, ecological role and interaction of biodiversity in aquatic habitat

CO3: Analyse management of aquatic resources

CO4: Interpret and understand the adaptations of sea and freshwater organisms  

Approach in teaching: Discussion, Demonstration, Action Research, Project, Field Trip

Learning activities for the students:Field activities, Simulation, Presentation, Giving task

Class test

Semester end examinations,

 Quiz,

Assignments,

Seminar Presentation

Individual and group projects

 

12.00
Unit I: 
UNIT I
Aquatic Biomes
Brief introduction of the aquatic biomes: Freshwater ecosystem (lakes, wetlands, streams and rivers), 
Estuaries, intertidal zones, oceanic pelagic zone, marine benthic zone and coral reefs.
 
12.00
Unit II: 
Unit II
Freshwater Biology
Lakes: Origin and classification, Lake as an Ecosystem, Lake morphometry,
Physico–chemical Characteristics: Light, Temperature, Thermal stratification,
Dissolved Solids, Carbonate, Bicarbonates, Phosphates and Nitrates, Turbidity;
dissolved gases (Oxygen, Carbon dioxide). 
Nutrient Cycles in Lakes-Nitrogen, Sulphur and Phosphorous.
Streams:Different stages of stream development,
Physico-chemical environment, Adaptation of hill-stream fishes.
 
12.00
Unit III: 
Unit III
Marine Biology
Salinity and density of Sea water, Continental shelf, 
Adaptations of deep sea organisms, 
Coral reefs, Sea weeds.
12.00
Unit IV: 
Unit IV
Management of Aquatic Resources 12 Hrs.
Causes of pollution: Agricultural, Industrial, Sewage, Thermal and Oil spills,
Eutrophication, Management and conservation (legislations), Sewage treatment
Water quality assessment- BOD and COD.
Essential Readings: 
ESSENTIAL READINGS:.
● P.D. Sharma, Ecology & Environment Rastogi Publications.
● Fundamentals of ecology; Odum, E.P.; W.B.Saunders, New Delhi.
 
SUGGESTED READINGS:
● Genetics and Origin of Species. Dobzhansky, Th., F.J.Alaya, G.L.Stebbins and J.M.Valentine. Surjeet Publication, Delhi.
● Ecology and Field Biology, Robert L Smith, Harper CollinsPub, New York.
● Textbook of Ecology, G.T. Miller and S.  Spoolman, Brookes Cole, England.
 
e-RESOURCES:
 
e-JOURNAL:
• ENVIRONMENT AND ECOLOGY
• Frontiers in Ecology and the Environment
• International Journal of Environmental Science and Technology
Academic Year: 
2023-2024
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