In arid conditions, RWC values of less than 50% cause most plants to die

whereas values closer to 100% indicate plants are less affected by drought stress.

TLS Online TPP Program

#Id: 1867

#Unit 10. Ecological Principles

Allelopathy- Asymmetric competition can be observed between plants, where one species produces and secretes chemicals from its roots that inhibit the growth of another species.

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.

TLS Online TPP Program

#Id: 1872

#Unit 10. Ecological Principles

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