Namibian Dolphin Project Intern
Walvis Bay, Namibia
July & August 2012
Julie Coffey
About the project
http://namibiandolphinproject.com
Dr. Simon Elwen
Research fellow, University of
Pretoria
Dr. Tess Gridl...
Benguela ecosystem
● Upwelling of nutrient-
rich Antarctic waters
● One of the most
productive marine
environments in the
...
Species
Heaviside’s dolphins
(Cephalorhynchus heavisidii)
Bottlenose
dolphins (Tursiops
truncatus)
Humpback
whales
(Megapt...
Acoustics
● Study species:
Bottlenose dolphins
● Searching for signature
whistles
● Cross-referencing with
field behaviora...
Photo-ID
● For Heaviside’s dolphins,
bottlenose dolphins, and
any whales
● Use dorsal fins (both
sides) for individual
ide...
Biopsies
● Crossbow for whales,
javelin for dolphins
● Tested fats for heavy
metals, sampled DNA to
identify the individua...
Tourism Impacts
•Feeding wildlife (seals,
pelicans)
•Boat proximity and duration
with cetaceans
•Boat hits
GPS tracking
Conservation Threats
● Oil prospecting
● Shipping and Industry
● Harbor pollution
● Fishery reduction
Birds and RAMSAR
● RAMSAR protected
wetland
● Salt flats created for
mining purposes
● Many birds migrate down
from the Et...
Credits
● Benguela current image: http://www.i-
cool.org/?p=4873
● RAMSAR image: http://www.nnf.org.
na/CETN/ramsar.htm
● ...
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Namibian Dolphin Project Powerpoint

Published on: Mar 3, 2016
Source: www.slideshare.net


Transcripts - Namibian Dolphin Project Powerpoint

  • 1. Namibian Dolphin Project Intern Walvis Bay, Namibia July & August 2012 Julie Coffey
  • 2. About the project http://namibiandolphinproject.com Dr. Simon Elwen Research fellow, University of Pretoria Dr. Tess Gridley Principal investigator for acoustics Nanuuq: 6m trusty research vessel
  • 3. Benguela ecosystem ● Upwelling of nutrient- rich Antarctic waters ● One of the most productive marine environments in the world Walvis Bay, Namibia
  • 4. Species Heaviside’s dolphins (Cephalorhynchus heavisidii) Bottlenose dolphins (Tursiops truncatus) Humpback whales (Megaptera novaeangliae)
  • 5. Acoustics ● Study species: Bottlenose dolphins ● Searching for signature whistles ● Cross-referencing with field behavioral observations
  • 6. Photo-ID ● For Heaviside’s dolphins, bottlenose dolphins, and any whales ● Use dorsal fins (both sides) for individual identification ● Body scarring ● Flukes for whales, paired with dorsal fin photos
  • 7. Biopsies ● Crossbow for whales, javelin for dolphins ● Tested fats for heavy metals, sampled DNA to identify the individual and determine the sex
  • 8. Tourism Impacts •Feeding wildlife (seals, pelicans) •Boat proximity and duration with cetaceans •Boat hits
  • 9. GPS tracking
  • 10. Conservation Threats ● Oil prospecting ● Shipping and Industry ● Harbor pollution ● Fishery reduction
  • 11. Birds and RAMSAR ● RAMSAR protected wetland ● Salt flats created for mining purposes ● Many birds migrate down from the Etosha pan
  • 12. Credits ● Benguela current image: http://www.i- cool.org/?p=4873 ● RAMSAR image: http://www.nnf.org. na/CETN/ramsar.htm ● Whistle image: ● http://www.scielo.br/scielo.php? pid=S0001- 37652004000200030&script=sci_arttext

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