CHP 2 Biodiversity crisis 11

CHP 2 Biodiversity crisis 11 - CHP-2 March 30, 2011...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon

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

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

Unformatted text preview: CHP-2 March 30, 2011 Woodruff - Biodiversity crisis 1 2011 Case Studies Sign up on https://sections.ucsd.edu today A01 MON 3:00p WLH 2208 Ethics A02 MON 4:00p WLH 2208 Ecotourism A09 Tu 09:00a WLH 2114 National Parks A10 Tu 4:00p U413-1 Marine A03 WED 5:00p WLH 2209 Food A04 WED 6:00p WLH 2209 Climate A05 Th 2:00p SOLIS 111 Zoos A06 Th 3:00p SOLIS 111 Zoos A07 FRI 12:00p HSS 2152 Marine A08 FRI 1:00p HSS 2152 Media CONSERVATION & THE HUMAN PREDICAMENT Exam I Friday April 22 30% Case Study Report Wed May 20 20% Exam 2 Friday May 25 30% Final exam Monday June 6 10% TEXTBOOKS PRICE CENTER BOOKSTORE Primack Primer of Conservation Biology 4th Edn. SECTIONS/CASE STUDIES Sign up on https:// sections.ucsd.edu today Sections start next Monday. Section paperback books are on sale at bookstore. Buy only the one relevant to your Case Study. Tonight: Screening of lm Home 6-7:30pm Center 212 One species has irrupted on the planet A species that seeks to control nature Uses 40% of global NPP State of the World: Forests, wetlands, mangroves all half gone grasslands 70% degraded Lakes acidied, water contaminated Oceans polluted, overharvested, turning sour. Coral reefs 40% degraded Atmosphere warming ~3 o C Ecosystem services threatened Biodiversity Crisis: onset of 6 th great mass extinction 2010 the year of the tiger: more in captivity than in the wild; Parts are worth $10,000 in China Giant panda: Symbol of World Wildlife Fund (WWF), ~1,000 left African elephants: from 10 million to 0.5 million in last 200 yrs Dodo: Mauritius 1662 Passenger pigeon 1914 Pleistocene megafauna Conservation: Management of human use of the biosphere and biodiversity so that it may yield greatest sustainable benet to present generations while maintaining its potential to meet needs & aspirations of future generations Conservation is positive Preservation & maintenance Sustainable utilization Restoration & enhancement Conservation biology as a eld of scholarship has its roots here in Solis Hall in October 1978 CHP-2 March 30, 2011 Woodruff - Biodiversity crisis 2 Conservation of biodiversity has direct material and spiritual beneFts or continued habitation of planet As a buffer against our worst excesses or future biological evolution Biophilia Does it matter if we lose a few [or many] species? HOW MANY SPECIES ARE THERE? 1.8 million species are named Probably 10 million on earth today (maybe 30M) One estimate based on tropical forest canopy beetles: 950 beetle species found by fogging 19 conspeciFc trees in Panama. 80% of species were new to science. reshwater Fsh S. America 40 % still unknown Thailand 30 % still unknown BIODIVERSITY SPECIES Viruses 1,000 Bacteria & Archaea 5,000 ungi 69,000 Algae 27,000 Protists 31,000 Molluscs 50,000 Plants 250,000 Insects 751,000 Other Arthropods 123,000 Chordates 59,000 Mammals 5,500 Birds 10,000 Reptiles 8,000 Amphibians 6,000...
View Full Document

Page1 / 8

CHP 2 Biodiversity crisis 11 - CHP-2 March 30, 2011...

This preview shows document pages 1 - 3. Sign up to view the full document.

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