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Effects of Climate Change on the Beluga Whale
21
Transcript
- Increased shipping traffic
- Noise Pollution
- Interfere with communication
- Competition
- New species will be able to colonise the same area
- Out compete for food?
How increased climate change affects the Arctic Ocean and the demographics of the Delphinapterus leucas (Beluga Whale)?
- 1.5 Tonnes
- Very Sociable
- Bulbous forehead
- "The canary of the sea"
- Eat a variety of fish
How can climate change affect the food web of the Beluga Whale?
Primary Effects on the Beluga Whale
- Phytoplankton
- Algae mats
- Fish: Arctic Cod
- Mercury traveling up trophic levels
- Increased CO2
- Shrinking Ice
- Reduced area to take refuge
- Hide from predators
- Ice Entrapment
- Could become more susceptible
- Already contribute to natural mortality
- Increased Frequency?
NOAA 2010
Conclusion
Secondary Effects on the Beluga Whale
- Sea ice decline
- Indicator species for climate change in marine mammals
- Primary and Secondary effects
- Ocean acidification
- Sea Level rise
Effects of Climate Change on the Arctic Ocean
IPCC 2007
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