{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

BioDiversity Study Guide

BioDiversity Study Guide - • Human factors relating to...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
BI O PL 2400 G REEN W ORLD / B LUE P LANET —BIODIVERSITY Lecture 1 Loss of Biodiversity Global extinction rate is estimated to be 10,000 times higher than it was before human existence - 2-200 species a day become extinct Species facing premature extinction: 34% of fish, 25% amphibians, 24% mammals, 20% reptiles, 14% plants In the USA, 33% of plant & animal species are vulnerable to extinction Ex: orchid species native to USA, Pitcher Plant native to Southern USA
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: • Human factors relating to decreased biodiversity • Habitat loss & degradation • Invasive species • Hunting, poaching, overfishing • Sale of exotic species (animal & plants) • Pollution • Climate change • Effect of Human Activity on Biodiversity • 40-50% of the Earth’s surface has been taken over, disturbed or degraded...
View Full Document

{[ snackBarMessage ]}

Ask a homework question - tutors are online