Option 2 k2 k1 n2 dn2dt 0 which species wins n1 k2 k1

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: ins? N1 K2/ K1 N1 K1 K2/ 2 Option 3 K1/ A) Stable? B) Unstable? K2 K1/ N2 dN2/dt = 0 Option 4 dN2/dt = 0 Stable: True or false? N2 K2 N1 K1 K2/ K2/ N1 K1 WHAT DO THESE GRAPHS TELL US? THE TWO POSSIBLE EQUILIBRIUM OUTCOMES: 1). Coexistence. When there is very little competitive overlap: If both Coexistence. aii are << 1 : species very likely to coexist 2) Competitive Exclusion. If aii is >> 1 for either species, one species Exclusion. will usually outcompete the other 3) Competitive Exclusion. If aii = 1, then the outcome will depend on: Exclusion. a) initial abundance, b) K of each species, and c) chance events a relates to how similar species are to one another.... another... Convince yourself: (recall = a12 and =a21) Coexistence among competitors occurs when: 1. Interspecific competition is weak relative to intraspecific competition. competition 2. Species are more self-limiting than selfothe...
View Full Document

{[ snackBarMessage ]}

Ask a homework question - tutors are online