Results 261 to 270 of about 137,418 (291)

Native generalist herbivores promote invasion of a chemically defended seaweed via refuge‐mediated apparent competition

Ecology Letters, 2013
Refuge-mediated apparent competition was recently suggested as a mechanism that enables plant invasions. The refuge characteristics of introduced plants are predicted to enhance impacts of generalist herbivores on native competitors and thereby result in
Swantje Enge, Henrik Pavia
exaly   +1 more source

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Understanding intraspecific and apparent competition

2022
AbstractInterspecific competition shares the same dependence on consumer–resource interactions as intraspecific competition and apparent competition. These two related interactions are the subject of this chapter. Both interactions are present in most, if not all, systems in which interspecific competition occurs.
openaire   +1 more source

The Role of Lethal Control in Managing the Effects of Apparent Competition on Endangered Prey Species

Wildlife Society Bulletin, 2006
Apparent competition is the process by which one prey species may indirectly cause the decline in another species by sustaining a common predator. I argue apparent competition caused Sierra Nevada bighorn sheep (Ovis canadensis californiana) and Channel ...
Luke Gibson
exaly   +2 more sources

Refuge-mediated apparent competition in a tallgrass prairie?

, 2019
The refuge-mediated apparent competition hypothesis (RMACH) posits that a plant species can indirectly reduce growth of competitors, and thus invade, by providing refuge for herbivores of more palatable surrounding plants.
Fowler, Jessica R
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Evaluating apparent competition in limiting the recovery of an endangered ungulate

Oecologia, 2012
Predation can disproportionately affect endangered prey populations when generalist predators are numerically linked to more abundant primary prey. Apparent competition, the term for this phenomenon, has been increasingly implicated in the declines of endangered prey populations.
Heather E, Johnson, Mark, Hebblewhite, Thomas R, Stephenson, David W, German, Becky M, Pierce, Vernon C, Bleich   +5 more
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Invasion by the Variegated Leafhopper and Biotic Interactions: Parasitism, Competition, and Apparent Competition

Ecology, 1990
In 1980 the variegated leafhopper (VLH), Erythroneura variabilis, invaded California's San Joaquin Valley, and has since rapidly increased in numbers to become a major pest in vineyards. Correlated with the invasion by VLH are declining populations of congeneric grape leafhopper (GLH), E. elegantula.
W. H. Settle, L. T. Wilson
openaire   +1 more source

Apparent Competition between Two Aphid Species

The Journal of Animal Ecology, 1997
1. The population dynamics of colonies of nettle aphids (Microlophium carnosum Buckton) were studied on potted nettle plants placed beside plots of grass on some of which outbreaks of grass aphids (Rhopalosiphum padi L.) had been induced by fertilizer application. 2.
C. B. Muller, H. C. J. Godfray
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Predation, apparent competition, and the structure of prey communities

Theoretical Population Biology, 1977
Abstract It is argued that alternate prey species in the diet of a food-limited generalist predator should reduce each other's equilibrial abundances, whether or not they directly compete. Such indirect, interspecific interactions are labeled apparent competition . Two examples are discussed in which an observed pattern of habitat segregation was at
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Emergence asynchrony between herbivores leads to apparent competition in the field

Ecology, 2011
It has been established that herbivore populations can be structured by apparent competition, even if they do not compete directly for resources. But we lack evidence on the mechanisms behind such indirect competition. This study shows that temporal asynchronies in emergence time lead to apparent competition via shared natural enemies in a leafminer ...
Eleanor J, Blitzer, Stephen C, Welter
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Species Introduction and Replacement among Mosquitoes: Interspecific Resource Competition or Apparent Competition?

Ecology, 1998
Mechanisms by which an introduced container-dwelling mosquito, Aedes albopictus, may cause declines in a resident container-dwelling mosquito, Aedes aegypti, in South Florida were tested using a combination of field experiments and field observations.
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