per person /
Free
Fishing Gear Technology
Teacher
Dr. Naveen Kumar Vate
Category
Core Courses
Course Attendees
Still no participant
Course Reviews
Still no reviews
Course Name : Fishing Gear Technology
Code(Credit) : FSFE3203(1-1-0)
Course Objectives
1. To study about the history and development of fishing and fishing gears of India and the world.
2. To study the factors that determines selection of fishing methods and gears used in relation to fish and fishing area.
3. To study different nets.
Course Outcomes
CO-1: It gives the idea of how the fishing gear has been developed from the ancient time, different types of natural and synthetic materials used for production of fishing gear and gear classifications: PO1
CO-2: Students will learn about preparation of different nets based on target species: PO1
CO-3: Students will learn different accessories required for fishing gear: PO3
PO 1: Knowledge enhancement: Enhanced knowledge on concepts, essential facts, basics, principles and theories relating to fishery biology, biodiversity and aquatic environment, aquaculture, fish nutrition, fish physiology, genetics and biotechnology, fish processing, fisheries engineering, fish microbiology, fishery extension, economics, and biostatistics.
PO 3: Critical thinking: After identifying the assumptions from the subject, take informed actions to frame the thinking and check out the degree to
which these assumptions are accurate and valid, and look at our ideas and decisions (intellectual, organizational, and personal) from different perspectives.
Course Syllabus
Fishing Gear Technology 2 (1+1)
Theory
1. Development fishing gears and Fishing Technology: Evolution of Fishing gears; Mechanization of Fishing; Basic classification of fishing gears- Principle, Subsidiary and Auxiliary gears.
2. Classification of fishing gears and methods: FAO classification of fishing gear and methods of the world; International Standard Statistical Classification of Fishing gear (ISSCFG).
3. Fishing gear materials: Natural materials and Synthetic netting materials and their classification. Types and important synthetic materials used in fishing gears. Raw-materials for synthetic material;
4. Preparation of nylon (PA 6.66) material; Different types of fibres continuous fibre; monofilament, staple and split fibers and production of single yarns. Identification of synthetic fishing gear materials: Visual observation, water test, solubility test, burning test and melting point test.
5. Construction of twisted netting materials: Yarn, single yarns, folded yarns, netting twine, cable netting twine and cable netting twine of higher order; Construction of ropes and their higher order; construction of braided netting twines.
6. Yarn numbering system - direct system: Tex system Denier system and calculation of resultant Tex value. Indirect system: British count, metric count, runnage system and their conversion.
7. Methods of Preparation of knotted and knotless webbing; advantage and disadvantages of knotted and knotless webbings. Shape of mesh: diamond; square hexagonal and their measurement.
8. Properties of netting material: physical properties- Density, twist and amount of twist, Breaking strength-tenacity, & tensile strength, breaking length, abrasion resistance, elasticity, extensibility, water absorption &, shrinkage, sinking velocity, weather resistance, melting point and visibility. Chemical and Biological properties.
9. Floats – buoys – its materials, types their properties; Classification of floats: based on shape and materials; calculation of buoyancy. Sinkers – types, materials, properties- negative buoyancy.
10. Factors to be considered while designing /selection of fishing gears; Biological, Environmental, Oceanographical, Vessel characteristics and mesh size regulation. Choice of netting materials for trawl, gillnet and purse seine.
11. Classification of trawl gears. 2 seem trawl; 4 seam trawl and wing trawl. Design and construction of wing trawl. Rigging of trawl gear: Arrangements of bridles, sweep lines and attachment of ground gears: tickler chain, bobbins and rock hoppers and attachment of otter board
Practicals:
1. Study of net making tools; Knots and hitches used in net making.
2. Methods of net making: Hand braiding- Chain mesh method and loop methods of net making.
3. Shaping of webbing: baiting, creasing and reducing mesh size step by step.
4. Tailoring method: T and N direction of webbing; T-cuts, N-cuts, B-cuts and their combination. Joining of net pieces.
5. Net mounting –hanging coefficient, hung depth and their calculation. Selvedging.
6. Methods of net mounting: reeving, stapling and norselling.
7. Test the Physical properties of netting material. Visual observation, water test, solubility test, burning test and melting point test.
Suggested Books
1. Fishing Gear and Craft Technology by Y Sreekrishna and Latha Shenoy
2. Von Brandt's Fish Catching Methods of the World by Otto Gabriel, Klaus Lange, Erdmann Dahm, Thomas Wendt.
3. Practical Manual on Craft, Gear and Fishing Technology by Rabinarayan Mishra
4. Modern Fishing Gear Technology by M R Hameed, M Shahul & Boopendranath
Session Plan
Theory
Session 1
- Development fishing gears and Fishing Technology: Evolution of Fishing gears; Mechanization of Fishing; Basic classification of fishing gears- Principle, Subsidiary and Auxiliary gears
Selection of fishing gear note- L-1.3
Notes Types of Fishing gear
Notes L-1 Introduction to fishing gear
Notes L-1,2, Basic classification of fishing gear
Session 2
2. Classification of fishing gears and methods: FAO classification of fishing gear and methods of the world; International Standard Statistical Classification of Fishing gear (ISSCFG).
Notes- L-2Fishing & gear
Session 3
Study of net making tools; Knots and hitches used in net making.
Session 4
4. Fishing gear materials: Natural materials and Synthetic netting materials and their classification.
Notes- L-3-1Selection of fishing gear material
Notes- different types of fibres and properties
Video- Natural and Synthetic fibre
Session 5
Methods of net making: Hand braiding- Chain mesh method and loop methods of net making.
Video of net making https://www.youtube.com/watch?v=gfTWgMTqGqY
Session 6
6. Different types of fibres continuous fibre, Visual observation, water test, solubility test, burning test and melting point test.
Notes-L-4 Basic fibre forms
Notes-L-4 CLASSIFICATION OF YARN
Notes- L-4,1Identification of synthetic netting yarns 18.8.18
Video- Burning test for fibre
Session 7
7. Test the Physical properties of netting material. Visual observation, water test, solubility test, burning test and melting point test.
Note-Identification of fishing gear materials
Video for solubility test- https://www.youtube.com/watch?v=Y-nvEzKOgmY
Session 8
8. Construction of twisted netting materials: Yarn, single yarns, folded yarns, netting twine, cable netting twine and cable netting twine of higher order; Construction of ropes and their higher order; construction of braided netting twines.
L-5 Construction of netting yarn
lecture 5-1 TYPES AND CONSTRUCTION OF NETTING YARNS TYPES
lecture 5-ROPES
Video- Net making
Video- Rope making
Session 9
9. Shaping of webbing: baiting, creasing and reducing mesh size step by step.
Video for Increasing mesh size https://www.youtube.com/watch?v=y2VxvJ4dIE0
NOTE- SHAPING OF WEBBING
Session 10
10. Yarn numbering system - Direct system and Indirect system
Note-L-6 Yarn numbers
Note- Yarn counting
Session 11
11. Net mounting –hanging coefficient, hung depth and their calculation. Selvedging.
NOTE-MOUNTING OF WEBBING
Session 13
13. Tailoring method: T and N direction of webbing; T-cuts, N-cuts, B-cuts and their combination. Joining of net pieces.
Note-Tailoring
Session 14
14. Properties of netting material
Note-L-8 Identification of synthetic netting yarns 18.8.18
Session 15
15. Methods of net mounting: reeving, stapling and norselling.
Session 16
16. Floats and sinkers– its materials, types their properties
Note-l-9 Floats
Note- floats and sinkers
Note- Sinkers
Video for floats-https://www.youtube.com/watch?v=ycRc9JqVj7w
Video for sinkers-https://www.youtube.com/watch?v=lGSqqgogcFg
Session 17
17. Factors to be considered while designing /selection of fishing gears
Note-l-10 factors affecting choices of netting material
Note-Factors to be considered while the selection of fishing gear
Session 18
18. Classification of trawl gears. 2 seem trawl;Arrangements of bridles, sweep lines and attachment of ground gears: tickler chain, bobbins and rock hoppers and attachment of otter board
Note-Lecture 11 classifications of trawls
Note-L-11 Accessories of gear
Note-Fishing With Hooks, Sinkers, Bobbers & Basic Rigging
Video on how to tie a hook to a line https://www.youtube.com/watch?v=-_ftAGkewfE
Practical
Session 1
Study of net making tools
Session 2
Knots and hitches used in net making I
Session 3
Knots and hitches used in net making II
Session 4
Methods of net making: Hand braiding- Chain mesh method of net making I
Session 5
Methods of net making: Hand braiding- Chain mesh method of net making II
Session 6
Methods of net making: Hand braiding- Loop methods of net making
Session 7
Shaping of webbing: baiting, creasing
Session 8
Shaping of webbing: Reducing mesh size step by step.
Session 9
Tailoring method : T and N direction of webbing
Session 10
T-cuts, N-cuts, B-cuts and their combination
Session 11
Joining of net pieces.
Session 12
Net mounting –hanging coefficient, hung depth and their calculation.
Session 13
Methods of net mounting: reeving.
Session 14
Methods of net mounting: stapling
Session 15
Methods of net mounting: norselling.
Session 16
Mending and net shooter techniques
Question Bank
Assignments
Our Main Teachers
Dr. Naveen Kumar Vate completed B.F.Sc. and M.F.Sc.in Fish Processing Technology from Karnataka Veterinary, Animal, and Fisheries Sciences University, Bidar, Karnataka and Ph.D in Food Science and Technology from Prince of Songkla University, Songkhla, Thailand. He has qualified ICAR – NET Exam. He also has postdoctoral research experience in the Division of Food and […]
Ms. Hauzoukim is expertise in value-added fish products, their quality and biochemical assessment, and utilization of fish waste for various purposes. She had completed her M.F.Sc from Post Harvest Technology discipline of ICAR-Central Institute of Fisheries Education, Mumbai. During her Master’s research, she worked on “Development of smoked fish products: Improvement in functionality of coated […]