Enemy-mediated apparent competition: empirical patterns and the evidence

• Published in: Oikos Vol. 88; no. 2; pp. 380 - 394
• Main Authors: Chaneton, Enrique J., Bonsall, Michael B.
• Format: Journal Article
• Language: English
• Published: Copenhagen Munksgaard International Publishers 01.02.2000; Munksgaard International Publishers, Ltd; Blackwell
• Subjects: Animal and plant ecology; Animal, plant and microbial ecology; Biological and medical sciences; Ecological competition; Ecology; Economic competition; Fundamental and applied biological sciences. Psychology; General aspects; Herbivores; Interspecific competition; Natural enemies; Phytophagous insects; Predation; Synecology; Trophic relationships; Freshwater environment; Terrestrial environment; Prey; Predator prey relation; Host parasite relation; Plant; Animal plant relation; Browsing; Interspecific competition; Predation

Apparent competition arises when two victim species negatively affect each other (-, -) by enhancing the equilibrium density or changing the foraging behaviour of a shared natural enemy. Shared enemies can also mediate non-reciprocal (-, 0) indirect effects, i.e. indirect amensalism, whenever one pr...