Exams back, key posted Bonuses Today: What happens near the carrying capacity?

Ecological Interconnections

Fig 52.7 Carrying Capacity stationary phase exponential growth

…Availability of resources. Space

Availability of resources and removal of waste limits carrying capacity Fig 54.1

Energy is lost in each consumer Fig 54.7 Energy is lost in each consumer 1000

Fig 54.14 Carbon cycle

CO2 levels in Hawaii and average global temp. Fig 54.15 CO2 levels in Hawaii and average global temp.

Nitrogen cycle 80% in air Fig 54.16

Nitrogen as part of amino acids Fig 3.2 Nitrogen as part of amino acids N N N

Nitrogen cycle 80% in air Fig 54.16

Ecosystems on Earth: resources are not evenly distributed Fig 50.9 Ecosystems on Earth: resources are not evenly distributed

Ecosystems on Earth: resources are not evenly distributed Fig 54.2 Ecosystems on Earth: resources are not evenly distributed

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

http://www.rainforesteducation.com/FunNGames/canuseethem.htm

Unfortunately there is lots of bad news... FEWER THAN 100 REMAIN EXTINCT FEWER THAN 100 REMAIN

Unfortunately there is lots of bad news... and it is your fault.

Rainforest clear cutting CB 55.15

Dead zone in Gulf of Mexico from Mississippi River Human impacts: Dead zone in Gulf of Mexico from Mississippi River http://blog.nola.com/times-picayune/2007/06/despite_promises_to_fix_it_the.html

How important is competition for resources? Wangari Maathai - Resources and Conflict http://youtube.com/watch?v=dA0qGlnc-30

What happens as populations approach their carrying capacity? Fig 52.7

What happens as populations approach their carrying capacity? Fig 52.7

What happens as populations approach their carrying capacity? Fig 52.7

What happens as populations approach their carrying capacity?

36.4 9 2.3 Fig 52.17 UN Department of Economic and Social Affairs Population Division (2004)

How much of our society is based on continuing population increases? 36.4 9 2.3 UN Department of Economic and Social Affairs Population Division (2004)