Envir100Lect4W10

Envir100Lect4W10 - Ocean Acidification Sonya Remington...

Info iconThis preview shows pages 1–12. Sign up to view the full content.

View Full Document Right Arrow Icon
Ocean Acidification Sonya Remington [email protected]
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Today’s Talk on Ocean Acidification • The Consequences: What does ocean acidification mean for natural ecosystems and humans? • The Science: Understand why ocean acidification spells trouble for shell-building organisms. • The Solutions: What can we do about this problem?
Background image of page 2
According to the Seattle Times article, ocean acidification is not confined to the deep ocean; this is because of: 1 2 3 4 18% 2% 10% 70% 1. Increased alkalinity 2. Natural upwelling 3. Colder waters 4. Dead plankton
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Organisms that build their shells from calcium carbonate are negatively impacted by ocean acidification due to a decrease in 1 2 3 4 2% 0% 87% 11% 1. Methane dissolution 2. Nitrogen and phosphorous 3. Carbonate ions 4. General happiness
Background image of page 4
The Consequences Marine organisms have trouble forming shells.
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Loss of marine biodiversity • Coral reefs harbor more than 25 % of the ocean’s biodiversity – provide a refuge and feeding ground for countless marine organisms. • > 50 % of all corals reefs are in cold, deep waters – more impacted by ocean acidification
Background image of page 6
Loss of food sources (fish, shellfish, etc) for subsistence food gathering
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Loss of sources of income for local communities, often in developing countries Fishing Ecotourism
Background image of page 8
Decrease in “biological pump” – Removes CO 2 from the atmosphere. Phytoplankton - Forams
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
The Science Chemistry of ocean acidification: Why is ocean acidification occurring? Why does it harm marine organisms? Consequences of chemistry for marine life
Background image of page 10
1 Gt = 10
Background image of page 11

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 12
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 02/13/2010 for the course ENG 189 taught by Professor Welbeck during the Spring '10 term at Eastern Oregon.

Page1 / 39

Envir100Lect4W10 - Ocean Acidification Sonya Remington...

This preview shows document pages 1 - 12. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online