GEOL 150Lg Lecture Notes - Lecture 11: Ocean Acidification, Himalayas, Keystone Species
Document Summary
Africa: 72-250 million ppl will experience water stress after a 1 degree temp increase. Impact of an extreme 4*c warming, mass migrations north because the southern hemisphere is too hot. Adaption to climate change in the natural world. - biomes are very specific to the ecosystem to which they are associated. - it"s the interplay between species which make the ecosystem work. The most significant changes will be far northern latitudes, parts of asia, and the sub. Casestudy 1: freshwater resources (most important impact climate change is having today) 90% of our fresh water comes from the ground. 20% of people living today do not have access to fresh drinking water. Climate models prject 25% reduction in sierra snow pack by the year 2050. A mega drought- larger than any of the historical droughts that have occurred in recent history (lasting 2 decades or longer) Unique environment (big rainforest located near the equator) undergoing a great deal of human impact.
