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| BTBL7261 | Feeding Ecology in Marine Fish | 3+0+0 | ECTS:7.5 | | Year / Semester | Spring Semester | | Level of Course | Third Cycle | | Status | Elective | | Department | DEPARTMENT of FISHERIES TECHNOLOGY ENGINEERING | | Prerequisites and co-requisites | None | | Mode of Delivery | Face to face, Lab work | | Contact Hours | 14 weeks - 3 hours of lectures per week | | Lecturer | -- | | Co-Lecturer | Prof. Dr. Kadir SEYHAN | | Language of instruction | Turkish | | Professional practise ( internship ) | None | | | | The aim of the course: | | Information on the feeding ecology of this species contributes to a better understanding of trophic dynamics and food webs- information which is needed as fisheries scientists advance ecosystem principles to fisheries management. |
| Programme Outcomes | CTPO | TOA | | Upon successful completion of the course, the students will be able to : | | | | PO - 1 : | identify diet compositions in fish (feeding indices) | 1,3,4,6 | 1 | | PO - 2 : | identify feeding strategy in fish | 1,2,3 | 3 | | PO - 3 : | explain optimal feeding strategy and foraging strategies in fish. | 1,2,4,6 | 3 | | PO - 4 : | summarise prey-predator relationships | 1,2,3,4,6 | 1 | | CTPO : Contribution to programme outcomes, TOA :Type of assessment (1: written exam, 2: Oral exam, 3: Homework assignment, 4: Laboratory exercise/exam, 5: Seminar / presentation, 6: Term paper), PO : Learning Outcome | | |
| Factors affecting the feeding behavior of fish, digestive system in fish, the foraging strategies in fish and optimal feeding strategy, niche, ecological niche concepts and calculation of niche width, feeding strategies (Modified Costello graphic method), the concept of trophic guild, prey-predator relations, resource sharing, and interspecific relationships, Diet indices (% N,% W,% O,% IRI), Diet similarity analysis, Food web, food chain and trophic level and its calculation (stable isotope and traditional stomach content methods), Bottom up and Top- down controls. |
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| Course Syllabus | | Week | Subject | Related Notes / Files | | Week 1 | Factors affecting feeding behavior of fish and digestive system in fish
| | | Week 2 | The foraging strategies in fish and optimal feeding strategy | | | Week 3 | The concept of trophic guild, prey-predator relationships and interspecies and intraspecies relationships | | | Week 4 | Larval and filter feeding
| | | Week 5 | Niche, ecological niche concepts and calculation of niche width, Shannon-Weiner diversity index | | | Week 6 | Qualitative and quantitative analysis of stomach contents in fish, Diet indices (%N, %W, %O ve %IRI). Diet overlap index (Bray-Curtis). To assess the adequacy of the number of samples analyzed, the cumulative number of new prey types | | | Week 7 | Ecomorphology and food habits of fish | | | Week 8 | Mid-term exam | | | Week 9 | Unusual sources of food | | | Week 10 | Apex predators, Keystone species, Dominant species, Ecosystem engineers (Foundation species) | | | Week 11 | Generalist, specialist and opportunist species | | | Week 12 | Food web, food chain and trophic level and its calculation (stable isotope and traditional stomach content methods), Bottom up and Top- down controls. | | | Week 13 | Modified Costello graphic method and solution of sample questions | | | Week 14 | Fish stomach content analyses and sample solutions | | | Week 15 | Stomach content analysis in fish and using them in fisheries. Information on diet composition for MSVPA ecosystem model | | | Week 16 | End-of-term exam | | | |
| 1 | Gerking, SD. 1994. Feeding ecology of fish. Academic press USA 374p. | | | 2 | Wotton, RJ. 1998. Ecology of teleost fishes. Kluwer academic publishers 379p. | | | |
| 1 | Siegel S, Castellan NJ 1988. Nonparametric statistics for the behavioural sciences. NewYork: McGraw-Hill Book Co. 399 p. | | | 2 | Hyslop EJ 1980. Stomach content analysis. A review of methods and their application. Journal of Fish Biology 17: 411-429 | | | 3 | Amundsen PA., Gabler HM, Staldvik FJ 1996. A new method for graphical analysis of feeding strategy from stomach contents data. Journal of Fish Biology 48:607-614 | | | 4 | Pinkas LM, Oliphant S, Iverson ILK 1971. Food habits of albacore, bluefin tuna and bonito in Californian waters. California Fish and Game 152:1-105 | | | 5 | Schoener TW 1970. Non-synchronous spatial overlap of lizards in patchy habitats. Ecology 51:408-418 | | | |
| Method of Assessment | | Type of assessment | Week No | Date | Duration (hours) | Weight (%) | | Mid-term exam | 8 | 21/11/2018 | 2 | 50 | | End-of-term exam | 16 | 09/01/2019 | 2,5 | 50 | | |
| Student Work Load and its Distribution | | Type of work | Duration (hours pw) | No of weeks / Number of activity | Hours in total per term | | Yüz yüze eğitim | 3 | 14 | 42 | | Sınıf dışı çalışma | 3 | 14 | 42 | | Laboratuar çalışması | 1 | 2 | 2 | | Arasınav için hazırlık | 5 | 1 | 5 | | Arasınav | 2 | 1 | 2 | | Ödev | 6 | 8 | 48 | | Dönem sonu sınavı için hazırlık | 8 | 1 | 8 | | Dönem sonu sınavı | 3 | 1 | 3 | | Diğer 1 | 6 | 2 | 12 | | Diğer 2 | 4 | 2 | 8 | | Total work load | | | 172 |
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