Predator-Prey Interactions

Models of predation need to consider predator effect on prey populations, and prey effects on predator population.

Also need to consider the time spent searching, subduing and consuming prey

TLS Online TPP Program

#Id: 1868

#Unit 10. Ecological Principles

Apparent competition- Two species do not compete for the same resource but they do share at least one natural enemy.

TLS Online TPP Program

#Id: 1869

#Unit 10. Ecological Principles

Intraspecific competition should be more severe than interspecific competition, since resource overlap is greater.

TLS Online TPP Program

#Id: 1870

#Unit 10. Ecological Principles

The strength of interspecific competition is greater between more closely related species or species in similar guilds.

TLS Online TPP Program

#Id: 1871

#Unit 10. Ecological Principles

The strength of interspecific competition increases with decreased resources.

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#Id: 1872

#Unit 10. Ecological Principles

α12 - Per capita competitive effect on species 1 of species 2.

TLS Online TPP Program

#Id: 1873

#Unit 10. Ecological Principles

α12<1 Individuals of species 2 have less inhibitory effect on individuals of species 1 than individuals of species 1 have on others of their own species.