Lec 18 Bild 3 2011

Lec 18 Bild 3 2011 - Reminders: -Field trip extra credit is...

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

View Full Document Right Arrow Icon
Reminders: -Field trip extra credit is DUE by December 1 (the last lecture day) -CAPE open from Monday, 11/21 to 12/5 -Please evaluate this class. Thank you!!! FINAL: is cumulative, study lecture material
Background image of page 1

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

View Full DocumentRight Arrow Icon
BILD 3 Lecture 18 - Conservation I Overview II Biodiversity III Threats to biodiversity IV Easter Island
Background image of page 2
Background image of page 3

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

View Full DocumentRight Arrow Icon
Genetic diversity in a vole population Species diversity in a coastal redwood ecosystem Community and ecosystem diversity across the landscape of an entire region II. Biodiversity Genetic diversity Species diversity Ecosystem diversity Conservation biology is the scientific study of how to preserve the diversity of life
Background image of page 4
Species Diversity For more info on endangered species, see: iucnredlist.org
Background image of page 5

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

View Full DocumentRight Arrow Icon
Ecosystem Diversity
Background image of page 6
Why conserve biodiversity? Do we have the right to destroy biodiversity? Is the loss of biodiversity akin to losing art, music, and cultural diversity Do other organisms have rights? What are the benefits to future generations?
Background image of page 7

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

View Full DocumentRight Arrow Icon
Useful products (bio-prospecting ) for human health Many pharmaceuticals contain substances originally derived from animals, plants, and fungi Morphine, aspirin, penicillin New discoveries no doubt await Cone snail, “stings” with toxic venom source of new painkiller (Ziconotide)
Background image of page 8
Ecosystem services - processes through which natural ecosystems help sustain human life – Purification of air and water – Decomposition of wastes – Cycling of nutrients – Moderation of weather extremes – Pollination – Food and clothing – Flood protection – And many others We get these services for free. How do we place a value on such services? Should we charge for their removal/destruction?
Background image of page 9

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

View Full DocumentRight Arrow Icon
Estimated costs for ruining ecosystem services 50 billion euros (66.75 billion US dollars) worth of biodiversity providing ecosystem services is currently lost each year Land-based ecosystem loss is estimated at 545 billion euros (727.58 billion US dollars) between 2000 and 2010. Annual loss in ecosystem services from biodiversity loss could exceed 14 trillion euros (18.7 trillion dollars) by 2050 From: The Cost of Policy Inaction: The case for not meeting the 2010 biodiversity target
Background image of page 10
Recall the “dead zone” where the Mississippi River empties into the Gulf of Mexico. Nutrient pollution from midwestern farmers has seriously hurt fishing, and has all but destroyed
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 01/16/2012 for the course BILD 3 taught by Professor Wills during the Fall '07 term at UCSD.

Page1 / 37

Lec 18 Bild 3 2011 - Reminders: -Field trip extra credit is...

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