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- Janzen–Connell_hypothesis abstract "The Janzen–Connell hypothesis is a widely accepted explanation for the maintenance of tree species biodiversity in tropical rainforests. It was published independently in the early 1970s by Daniel Janzen and Joseph Connell. According to their hypothesis, host-specific herbivores, pathogens, or other natural enemies (often referred to as predators) make the areas near a parent tree (the seed producing tree) inhospitable for the survival of seedlings. These natural enemies are referred to as 'distance-responsive predators' if they kill seeds or seedlings near the parent tree, or 'density-dependent predators' if they kill seeds or seedlings where they are most abundant (which is typically near the parent tree). Such predators can prevent any one species from dominating the landscape, because if that species is too common, there will be few safe places for its seedlings to survive. However, because the predators are host-specific (also called specialists), they will not harm other tree species. As a result, if a species becomes very rare, then more predator-free areas will become available, giving that species' seedlings a competitive advantage. This negative feedback allows the tree species to coexist, and can be classified as a stabilizing mechanism.The Janzen-Connell hypothesis has been called a special case of keystone predation, predator partitioning or the pest pressure hypothesis. The pest pressure hypothesis states that plant diversity is maintained by specialist natural enemies. The Janzen-Connell hypothesis expands on this, by claiming that the natural enemies are not only specialists, but also are distance-responsive or density-responsive.This mechanism has been proposed as promoting diversity of forests as it promotes survival of a number of different plant species within one localized region. While previously thought to explain the high diversity of tropical forests in particular, subsequent research has demonstrated the applicability of the Janzen–Connell hypothesis in temperate settings as well. The Black Cherry is one such example of a temperate forest species whose growth patterns can still be explained by the Janzen–Connell hypothesis.".
- Janzen–Connell_hypothesis wikiPageID "28267409".
- Janzen–Connell_hypothesis wikiPageLength "16460".
- Janzen–Connell_hypothesis wikiPageOutDegree "35".
- Janzen–Connell_hypothesis wikiPageRevisionID "703996145".
- Janzen–Connell_hypothesis wikiPageWikiLink Allelopathy.
- Janzen–Connell_hypothesis wikiPageWikiLink Basic_reproduction_number.
- Janzen–Connell_hypothesis wikiPageWikiLink Biodiversity.
- Janzen–Connell_hypothesis wikiPageWikiLink Canopy_(biology).
- Janzen–Connell_hypothesis wikiPageWikiLink Category:Ecological_theories.
- Janzen–Connell_hypothesis wikiPageWikiLink Category:Ecology.
- Janzen–Connell_hypothesis wikiPageWikiLink Category:Environmental_science.
- Janzen–Connell_hypothesis wikiPageWikiLink Category:Hypotheses.
- Janzen–Connell_hypothesis wikiPageWikiLink Coexistence_theory.
- Janzen–Connell_hypothesis wikiPageWikiLink Daniel_H._Janzen.
- Janzen–Connell_hypothesis wikiPageWikiLink Ecosystem.
- Janzen–Connell_hypothesis wikiPageWikiLink Fecundity.
- Janzen–Connell_hypothesis wikiPageWikiLink Generalist_and_specialist_species.
- Janzen–Connell_hypothesis wikiPageWikiLink Grassland.
- Janzen–Connell_hypothesis wikiPageWikiLink Herbivore.
- Janzen–Connell_hypothesis wikiPageWikiLink Host_(biology).
- Janzen–Connell_hypothesis wikiPageWikiLink Joseph_H._Connell.
- Janzen–Connell_hypothesis wikiPageWikiLink Keystone_species.
- Janzen–Connell_hypothesis wikiPageWikiLink Latitudinal_gradients_in_species_diversity.
- Janzen–Connell_hypothesis wikiPageWikiLink Mathematical_modelling_of_infectious_disease.
- Janzen–Connell_hypothesis wikiPageWikiLink Microorganism.
- Janzen–Connell_hypothesis wikiPageWikiLink Mortality_rate.
- Janzen–Connell_hypothesis wikiPageWikiLink Natural_selection.
- Janzen–Connell_hypothesis wikiPageWikiLink Niche_differentiation.
- Janzen–Connell_hypothesis wikiPageWikiLink Panama.
- Janzen–Connell_hypothesis wikiPageWikiLink Pathogen.
- Janzen–Connell_hypothesis wikiPageWikiLink Predation.
- Janzen–Connell_hypothesis wikiPageWikiLink Queensland.
- Janzen–Connell_hypothesis wikiPageWikiLink Seed.
- Janzen–Connell_hypothesis wikiPageWikiLink Species.
- Janzen–Connell_hypothesis wikiPageWikiLink Temperate_forest.
- Janzen–Connell_hypothesis wikiPageWikiLink The_American_Naturalist.
- Janzen–Connell_hypothesis wikiPageWikiLink Tree.
- Janzen–Connell_hypothesis wikiPageWikiLink Tropical_rainforest.
- Janzen–Connell_hypothesis wikiPageWikiLinkText "Janzen–Connell hypothesis".
- Janzen–Connell_hypothesis wikiPageUsesTemplate Template:=.
- Janzen–Connell_hypothesis wikiPageUsesTemplate Template:Math.
- Janzen–Connell_hypothesis wikiPageUsesTemplate Template:Reflist.
- Janzen–Connell_hypothesis wikiPageUsesTemplate Template:Use_dmy_dates.
- Janzen–Connell_hypothesis subject Category:Ecological_theories.
- Janzen–Connell_hypothesis subject Category:Ecology.
- Janzen–Connell_hypothesis subject Category:Environmental_science.
- Janzen–Connell_hypothesis subject Category:Hypotheses.
- Janzen–Connell_hypothesis type Redirect.
- Janzen–Connell_hypothesis type Science.
- Janzen–Connell_hypothesis type Statement.
- Janzen–Connell_hypothesis type Study.
- Janzen–Connell_hypothesis type Theory.
- Janzen–Connell_hypothesis type Statement.
- Janzen–Connell_hypothesis comment "The Janzen–Connell hypothesis is a widely accepted explanation for the maintenance of tree species biodiversity in tropical rainforests. It was published independently in the early 1970s by Daniel Janzen and Joseph Connell. According to their hypothesis, host-specific herbivores, pathogens, or other natural enemies (often referred to as predators) make the areas near a parent tree (the seed producing tree) inhospitable for the survival of seedlings.".
- Janzen–Connell_hypothesis label "Janzen–Connell hypothesis".
- Janzen–Connell_hypothesis sameAs Q6156215.
- Janzen–Connell_hypothesis sameAs ジャンゼン・コンネル仮説.
- Janzen–Connell_hypothesis sameAs m.0cnz9cc.
- Janzen–Connell_hypothesis sameAs Q6156215.
- Janzen–Connell_hypothesis wasDerivedFrom Janzen–Connell_hypothesis?oldid=703996145.
- Janzen–Connell_hypothesis isPrimaryTopicOf Janzen–Connell_hypothesis.