High competition with low similarity and low competition with high similarity: exploitative and apparent competition in consumer-resource systems.

摘要: Abstract This article investigates the relationship between similarity of resource capture abilities and amount competition two consumer species that exploit common resources. Most analysis is based on a consumer‐resource model introduced by Robert MacArthur. Contrary to many statements in literature textbooks, measures may decrease as increases be greatest when species' sets rates very low. High with low occur whether measured coefficient near equilibrium or proportional increase population density its competitor removed. However, these differ considerably change opposite directions given similarity. The general conditions required for such counterintuitive relationships are have relative...