13 views2 pages

Document Summary

What organisms occur where and why they occur there. Only some species are going to exist here certain characteristics of the area. Climate variability huge drought about 10 years ago coupled with beetle infestation killed many animals. Fisherman were reporting these declines a lot of controversy because they were blaming a lot on in land. People were worried about dam construction that blocks their path, sediment and water pollution and catching too many. Looking at patterns of high fish production and low fish production. Start to notice that it is associated with the climate. Differences in productions in alaska up north compared to down south in. This had a lot to do with changes i nsea temperatures. Pacfic decay ossicilation noticed the fish productions so they looked at the climate. Warm phases in the north then cool phases in the north a lot of nutrients. Cool periods with a lot of nutrients therefore a lot of biomass and essentially more.

Get access

Grade+20% off
$8 USD/m$10 USD/m
Billed $96 USD annually
Grade+
Homework Help
Study Guides
Textbook Solutions
Class Notes
Textbook Notes
Booster Class
40 Verified Answers
Class+
$8 USD/m
Billed $96 USD annually
Class+
Homework Help
Study Guides
Textbook Solutions
Class Notes
Textbook Notes
Booster Class
30 Verified Answers

Related Documents

Related Questions