Week 8 Monday

Question 1

what are forms od competition?

Answer 1

• intraspecific
• interspecific
• resource limiation
  —- interference competition
  —- exploitative competition

Question 2

what is intraspecific competition?

Answer 2

competition between individuals of same species

Question 3

what is interspecific competition?

Answer 3

competition between individuals of two species

Question 4

what is interference competition?

Answer 4

direct aggressive interaction between individuals

Question 5

what is exploitative competition?

Answer 5

competition to secure resources first

Question 6

what is self thinning a form of?

Answer 6

competition

Question 7

what does self thinning do?

Answer 7

as a stand of trees develops, biomass is composed of fewer individuals

Question 8

what is the self thinning rule?

Answer 8

plot of average mass of individual plant with density gives a slope of approximately -3/2

Question 9

what does alpha 1,2 and 2,1 mean?

Answer 9

1,2 is the effect on 1 from 2 and opposite

Question 10

what are the lotka-volterra assumptions?

Answer 10

• homogenous stable environment
• no migration
• competition effects are instantaneous
• stable coexistence requires stable equilibrium
• competition is the only important interactions

Question 11

what to do to test equilibrium

Answer 11

set to 0

Question 12

what is an isocline?

Answer 12

zero population growth