Table 13.1
A review of studies that tested for Janzen–Connell effects
(either distance dependence, density dependence or both) for
different developmental
stages of plant species in various habitats, countries, andfield stations around the world. Evidence was categorized as eitherexperimental, observational or both.HabitatCountryField siteTested fordensity-,distance-dependencyor both# speciesstudied% of speciesthat showeddistance-dependencyconsistentwith theJ–C hypothesis% of speciesthat showeddensity-dependencyconsistentwith theJ–C hypothesisType ofevidenceDevelopmentalstageCitationLowlandseasonalMexicoLos TuxtlasDensity1N/ASurvivorship:small plants:0% ;largerplants: 100%.Fecundity:100%ObservationalWoody plants>0.3 cm dbhAlvarez-Bullya(1994)Terra firmeforestPanamaBCIBoth8100% (1 of 1)>75% (24)ExperimentalSeeds andseedlingsAugspurgerand Kelly(1984)Terra firmeforestPanamaBCIBoth1100% (18)100% (23)ExperimentalSeeds andseedlingsAugspurgerand Kitajima(1992)Terra firmeforestPanamaBCIBoth1100%N/AObservationalSeedlingsAugspurger(1983)Terra firmeforestPanamaBCIDistance989%N/AObservationalSeedlingsAugspurger(1984)Terra firmeforestBelizeChiquibulForestreserveDensity1N/A100%ExperimentalandobservationalSeedlingsBellet al.(2006)Terra firmeforestIndonesiaDipterocarpforestDistance450%N/AObservationalSeedlingsBlundellandPeart (1998)Terra firmeforestBelizeBladen NatureReserveDistance1100% for unburied,0% for buriedseedsN/AExperimentalSeeds andseedlingsBrewer andWebb (2001)Lowlandseasonal (2 )MexicoLos TuxtlasBoth1100% (20)0%ExperimentalSeedsBurkey (1994)Terra firmeforestPeruCocha CashuBoth2Seeds: 50%;seedlings: 50%(19)Seeds: 50%;Seedlings: 0%ExperimentalandobservationalSeeds andseedlingsCintra (1997)Terra firmeforestCosta RicaLa SelvaBoth1100%100%ObservationalSeedlingsClark andClark (1984)Terra firmeforestPanamaBCIDistance8019% (16)N/AObservationalWoody plants>1cmdbhConditet al.(1992)