Description of Individual Course Units
Course Unit CodeCourse Unit TitleType of Course UnitYear of StudySemesterNumber of ECTS Credits
9104015022015Impacts of Towing Fishing Gears on Sea FloorElective127
Level of Course Unit
Second Cycle
Objectives of the Course
To learn and determine damage of towing fishing gears on benthic habitat and sea floor. For make improvements or designs on the fishing gears to mitigate impact on the bottom habitat
Name of Lecturer(s)
Learning Outcomes
1Can understand interaction between towing fishing gears and sea floor.
2Can design environmentally fishing gear
3Gains ability to search literature and write a review on the subject
4Can evaluate impacts of legal regulations by combining konwledge of fishing gears and its interaction with the ground and can suggest modification
5Investigates, analyses, reports, and verbally presents modifications of fishing gears and operations in the world for sustainable fisheries
Mode of Delivery
Face to Face
Prerequisites and co-requisities
Recommended Optional Programme Components
None
Course Contents
General characteristic features of towing fishing gears and seabed. Physical and biological effects of bottom trawl, beam trawl and dredge on sea floor. Gear modifications to reduce seabed effect. Development of fishing gear that is less damaging to habitat. Mitigation measures against seabed impact of towing fishing gears. Recovery rates after towing gears disturbance.
Weekly Detailed Course Contents
WeekTheoreticalPracticeLaboratory
1Introduction of the courseTo meet and review of the lesson plan
2Structure and properties of towing fishing gearsLecture and discussion
3Effect of bottom trawl on sea floorLecture and discussion
4Effect of beam trawl on sea floorLecture and discussion
5Effect of dredge on sea floorLecture and discussion
6The methods used in determining the effectiveLecture and discussion
7Physical impactsLecture and discussion
8Mid-termWritten exam
9Biological impactsLecture and discussion
10Alternative gears to catch demersal speciesLecture and discussion
11Modifications in the bottom trawlLecture and discussion
12Modifications in the beam trawl and dredgeLecture and discussion
13Recovery rates after towing gears disturbanceLecture and discussion
14The importance of fisheries management of towing fishing gearsReport preparation
15What do we know about the effects of towing fishing gears on the sea floorSeminar
16Final examWritten exam
Recommended or Required Reading
- Options to mitigate bottom habitat impact of dragged gears. FAO Fisheries Technical Paper. No. 506. Rome, FAO. 2007. 29p. Edited by Valdemarsen, J.W., Jørgensen, T., Engås, A., - Impacts of trawling and scallop dredging on benthic habitats and communities, Rome, FAO. 2005 Edited by Svein Løkkeborg.
Planned Learning Activities and Teaching Methods
Assessment Methods and Criteria
Term (or Year) Learning ActivitiesQuantityWeight
SUM0
End Of Term (or Year) Learning ActivitiesQuantityWeight
SUM0
SUM0
Language of Instruction
Turkish
Work Placement(s)
None
Workload Calculation
ActivitiesNumberTime (hours)Total Work Load (hours)
Midterm Examination122
Final Examination122
Attending Lectures14228
Practice14228
Report Preparation13535
Seminar13030
Individual Study for Homework Problems14456
Individual Study for Mid term Examination11010
Individual Study for Final Examination11515
TOTAL WORKLOAD (hours)206
Contribution of Learning Outcomes to Programme Outcomes
PO
1
PO
2
PO
3
PO
4
PO
5
PO
6
PO
7
LO1 455343
LO2 555555
LO3 455454
LO4 555555
LO5       
* Contribution Level : 1 Very low 2 Low 3 Medium 4 High 5 Very High
 
Ege University, Bornova - İzmir / TURKEY • Phone: +90 232 311 10 10 • e-mail: intrec@mail.ege.edu.tr