Ecology: We are all connected and interdependent Bonus #3 due 4/30/08

Species in a N. Am. forest

Ecological Interconnections

CB 54.2 Interconnections

CB Predator-Prey interactions

CB Carrying Capacity exponential growth stationary phase

CB Human Population Growth

CB What limits Carrying Capacity?… exponential growth stationary phase

Space …Availability of resources.

CB 54.2 Availability of resources and removal of waste limits carrying capacity

CB Energy is lost in each consumer

CB Less consumers than producers

CB Energy is lost as it is consumed: where does it go?

CB only a small percent of energy is stored in organism

Space …Availability of resources.

CB Nitrogen cycle 80% in air

CB 5.16 Nitrogen as part of amino acids NNN

CB Nitrogen cycle 80% in air

CB Ecosystems on Earth: resources are not evenly distributed

CB Number of bird species: Areas of higher and lower biodiversity reflect available resources

CB Rainforest clear cutting

Human impacts: Pollution in Gulf of Mexico from Mississippi river

CB Reducing consumption of resources can increase carrying capacity: Human impact as consumers

CB Carbon cycle

CB CO 2 levels in Hawaii and average global temp.

Effects of global climate change are already visible om/graph/env_co2_emi- environment-co2- emissions

Polar bears need ice to hunt

Sea Ice

Without sea ice, polar bears will go extinct

Bonus #3 due 4/30/08