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Tropical Open Ocean

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on 13 February 2015

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Transcript of Tropical Open Ocean

By Michael and Evan
Tropical Oceans
What is a Tropical Biome?
Human

Threats
Overfishing
Almost 90% of the Ocean's natural predators have been removed
Nets catch unwanted animals, that are thrown back into the ocean
Bottom trawling disturbs ecosystems
Trash/Plastic
Climate Change
Overfishing
Human
Threats
Trash/Plastic
Thrown away plastic bags are mistaken as jellyfish
Fish, sharks and birds eat trash, which rips apart their digestive system
Human

Threats
Zooplankton: Organisms that move with the ocean currents, and inhabit the upper layers of the water column, and moderate the ocean's salinity
Zooplankton are...
The foundation of many food chains
Eaten by fish, birds, whales, etc.
The Tropical biome...
Is the worlds largest biome
Is found in the band between the Tropic of Cancer and the Tropic of Capricorn
Receive a lot of insolation
Oxygen and nutrient rich
Has crystal clear waters
Has warm water
Humpback Whales:

Omnivores, eating plankton, krill, and algae
Propel themselves using tail fin
Eat plankton
Use waters as breeding grounds
Links

http://wwf.panda.org/about_our_earth/blue_planet/problems/climate_change/
http://wwf.panda.org/about_our_earth/blue_planet/problems/
http://www.wilderutopia.com/sustainability/plastic-ocean-deep-sea-garbage-endangers-marine-ecosystem/
http://www.brighthub.com/environment/science-environmental/articles/120181.aspx
http://www.waterencyclopedia.com/Oc-Po/Oceans-Tropical.html
http://animals.nationalgeographic.com/animals/mammals/humpback-whale/
http://oceanlink.info/biodiversity/seaweeds/Chlorophyta.html
http://www.onegreenplanet.org/animalsandnature/10-alarming-facts-about-overfishing/
Climate Change
Ice-caps are melting
Global temperature is increasing by 0.7°C each year
The Ocean is expanding at approximately one inch per year
Greenhouse gas influx
Acidic Oceans
Bottlenose Dolphins
Highly intelligent mammals
In family of toothed whales
Eat fish, squid and shrimp
Use echolocation to communicate
They live in groups, ranging from 5-500
Division Chlorophyta, Green Algae
Photosynthetic
Absorb red light
Contain chlorophyll, helping them produce their own food through photosynthesis
Grow and live in salt-water
Provide food for many organisms including fish and mollusks
Doug the Dugong
Dave the Dugong
Full transcript