Fish 475: Marine Mammalogy - University of Washingtonfaculty.washington.edu/glennvb/fish475/Lecture...
Transcript of Fish 475: Marine Mammalogy - University of Washingtonfaculty.washington.edu/glennvb/fish475/Lecture...
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Fish 475: Marine Mammalogy
Course website:http://faculty.washington.edu/glennvb/fish475
Welcome!
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Course staff
Glenn R. VanBlaricomProfessor of Marine Mammal
Studies
Washington Cooperative Fish and Wildlife Research Unit
UW School of Aquatic and Fishery Sciences
Office: Rm 220A FSHVoice: 206-543-6475Fax: 206-616-9012
[email protected]://fish.washington.edu/glennvb
Amanda Bradford
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Course staff
Cris Elfes Teaching Assistant
(Monday lab section)& Masters Student
Washington Cooperative Fish & Wildlife Research Unit
UW School of Aquatic and Fishery Sciences
Office: Rm 260D FSHVoice: 206-221-5453Fax: 206-616-9012
Alexandre Zerbini
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Course staff
Teresa Mongillo Teaching Assistant
(Thursday lab section)& Masters Student
Washington Cooperative Fish & Wildlife Research Unit
UW School of Aquatic and Fishery Sciences
Office: Rm 260D FSHVoice: 206-221-5453Fax: 206-616-9012
[email protected] Hauser
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General approach
• Focus on the big picture: This is a very large field, and there is way too much interesting detail to cover in one academic term;
• Primary emphasis on ecology, with diversions into anatomy, physiology, behavior, and communications at times;
• Strong emphasis on exposure to and practice of technical writing: WE CAN ALL USE THE PRACTICE!
Courtesy of Kristin Laidre
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Course web site: http://faculty.washington.edu/glennvb/fish 475
Contents:
Home page:• Class meeting times and assigned
classrooms;• Announcements for the class;• Photos and videos of interest.
Syllabus:
• Course description;• Grading policy and protocol;• Required readings;• Contact data for instructional staff;• Office hours of instructional staff.
Amanda Bradford
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Course web site: http://faculty.washington.edu/glennvb/fish 475
Contents (continued):
Lecture files:
• Pdf files of all lectures will be posted on the website, usually at least one day before each lecture.
Schedule:• Lecture schedule, with dates for
examinations and due dates for major assignments;
• Laboratory schedule, with dates for field trips and due dates for major assignments.
Amanda BradfordAmanda Bradford
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Course web site: http://faculty.washington.edu/glennvb/fish 475
Contents (continued):
Examination preparation:
• 2007 midterm examination, with examination key;
• 2007 final examination, with examination key.
E-post discussion siteAmanda BradfordAmanda Bradford
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Course text
Hoelzel, A.R. 2002. Marine Mammal Biology. An Evolutionary Approach.Blackwell Science Ltd., Oxford, U.K. 432 pages.
Courtesy of Kristin Laidre
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Writing assignments
Research proposal:
• To be discussed in detail in next week’s lab sessions.
Critical reviews of published work:
• Two papers to be critically reviewed in writing, one that will be assigned, and one that you will select.
“Low stakes” writing:
• Four spontaneous assignments during lectures, always on a Friday. One paragraph minimum, one page maximum, full credit for honest effort to address the question posed.
Courtesy of Kristin Laidre
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Examinations
• Midterm: 5 May 2008 (Monday), 11:30 am–12:30 pm, rm 107 FSH
• Final: 11 June 2008 (Wednesday), 2:30-4:20 pm, rm 107 FSH
• 2007 examinations (both midterm and final) and answer key are posted on the course website.
Amanda Bradford
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Laboratories
Two primary emphases:
Seeing the animals:
Alive in captivity;Alive in the field;In skeletal form;In soft-tissue dissection.
Methods for studying the animals:
Survey methods;Dietary study methods;Analytical study methods.
Amanda Bradford
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Laboratories
Amanda Bradford
Scheduling notes forlab sessions:
1. No labs duringregular meetingtimes this week;
2. Field trip to Pt. Defiance Zoo & Aquarium on Sunday 6 April;
3. Next week’s sessions will meet in rm 107 FSH.
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Hints for success
1. SHOW UP!
Courtesy of Kristin Laidre
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Hints for success
1. SHOW UP!
2. Take the reading and writing assignments seriously.
Courtesy of Kristin Laidre
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Hints for success
1. SHOW UP at lecture!
2. Take the reading and writing assignments seriously.
3. View the field trips as opportunities, not as obligations.
Courtesy of Kristin Laidre
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Hints for success
1. SHOW UP at lecture!
2. Take the reading and writing assignments seriously.
3. View the field trips as opportunities, not as obligations.
4. Work together to prepare for exams.
Courtesy of Kristin Laidre
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Hints for success
1. SHOW UP at lecture!
2. Take the reading and writing assignments seriously.
3. View the field trips as opportunities, not as obligations.
4. Work together to prepare for exams.
5. Talk to the instructional staff and participate in E-Post.
Courtesy ofKristin Laidre
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“Birds, bats, and butterflies” –the problem of generalizing about marine mammals
Peter LaTourrette
Text reading reference: Sections 1.1 & 1.2
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“Birds, bats, and butterflies” –the problem of generalizing about marine mammals
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Streamlining
Text reading reference: Sections 3.1 & 3.2
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Streamlining
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Streamlining in marine mammals
Optimal shape for minimization of drag:
Length of body =3x to 7x maximum diameter(ideal is thought to be 4.5x)
All whale artwork shown in this lecture courtesy of Uko Gorter Illustrations and the American Cetacean Society
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Other consistent features relating to drag reduction
Loss or modification of rear limbs:
Loss:
Cetaceans (whales, dolphins, & porpoises)
Sirenians (manatees and dugongs)
Modification:
Pinnipeds (seals, sea lions, fur seals, and walrus)
Sea otters
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Other consistent features relating to drag reduction
Loss or modification of pelage (fur):
Loss:
CetaceansSirenians
Reduction:
SealsSea Lions
Modification:
Sea ottersFur sealsPolar bears
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Modificiation of cranial morphology;Simplification of dentition
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Modificiation of cranial morphology;Simplification of dentition
Forward expansion of
maxilla, mandibles, and related bones
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Modificiation of cranial morphology;Simplification of dentition
Forward prolongation of
maxilla, mandibles, and related bones
Simplification and reduction of
dentition
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Modificiation of cranial morphology;Simplification of dentition
Forward prolongation of
maxilla, mandibles, and related bones
Simplification and reduction of
dentition
Modification of cranial
morphology
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Modificiation of cranial morphology;Simplification of dentition
Forward prolongation of
maxilla, mandibles, and related bones
Simplification and reduction of
dentition
Modification of cranial
morphology
Incorporation of posterior
mandible into acoustic reception
systems
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Elaboration of thermoregulatory morphology
Kristin Laidre
Courtesy of Kristin Laidre
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Elaboration and modification of sensory capabilities
Amanda Bradford
Courtesy of Kristin Laidre