Conservation Bio Main Points 9-19-07

Conservation Bio Main Points 9-19-07 - Conservation Bio...

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

View Full Document Right Arrow Icon
Conservation Bio Main Points 9-19-07 Concept of biodiversity hotspots o About 44% of all vascular plants and 45% of all vertebrate species occupy about 1.4%of land surface on Earth Madagascar o Lots of endemics-only found in Madagascar o 93% of mammals o 58% of birds o 96% of reptiles o 99% of amphibians o All 651 species of snails o 90% of the 13-15,000 species of plants o Many new species discovered in Madagascar in last 15 years, 22 new mammals, 40 new species of fish, 40 butterflies, 150 reptiles, 800 ants History of Madagascar o Split from Africa 160 mya o More recently connected to India o Humans arrived 2000 years ago o 17-18 million people, doubling every 20-25 years o Very poor o Faces habitat destruction, fragmentation, 1-2% of forest lost annually, 17% of native habitat is left o Fossa: Cross between a puma and otter, feisty tree climber. Top predator o Slash and burn destruction of forest, soil erosion: Red stuff is runoff Lemurs- “ghost” in Latin o Oldest lineage of primate, older than monkeys and apes
Background image of page 1

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

View Full DocumentRight Arrow Icon
o
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 04/17/2008 for the course E&EB 115 taught by Professor Jeffreypowellmartawells during the Fall '07 term at Yale.

Page1 / 3

Conservation Bio Main Points 9-19-07 - Conservation Bio...

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