Low Beta Diversity of Ambrosia Beetles (Coleoptera: Curculionidae: Scolytinae and Platypodinae) in Lowland Rainforests of Papua New Guinea

Low Beta Diversity of Ambrosia Beetles (Coleoptera: Curculionidae: Scolytinae and Platypodinae) in Lowland Rainforests of Papua New Guinea

We assessed the effect of geographical distance on insect species turnover in a situation where other major environmental factors, including host plant species, altitude, and climate, were constant. We sampled ambrosia beetles (Coleoptera, Curculionidae: Scolytinae and Platypodinae) from four tree s...

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Bibliographische Detailangaben
Veröffentlicht in:Oikos. - Nordic Society Oikos, 1949. - 117(2008), 2, Seite 214-222
1. Verfasser: Hulcr, Jiri (VerfasserIn)
Weitere Verfasser: Novotny, Vojtech, Maurer, Brian A., Cognato, Anthony I.
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2008
Zugriff auf das übergeordnete Werk:Oikos
Schlagworte:Biological sciences Applied sciences Physical sciences
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245 1 0 |a Low Beta Diversity of Ambrosia Beetles (Coleoptera: Curculionidae: Scolytinae and Platypodinae) in Lowland Rainforests of Papua New Guinea 
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520 |a We assessed the effect of geographical distance on insect species turnover in a situation where other major environmental factors, including host plant species, altitude, and climate, were constant. We sampled ambrosia beetles (Coleoptera, Curculionidae: Scolytinae and Platypodinae) from four tree species: Artocarpus altilis, Ficus nodosa, Leea indica and orientalis, at three sites forming a 1000 km transect in lowland rainforests of northern Papua New Guinea. A standardized volume of wood from trunk, branches and twigs was sampled for ambrosia beetles from three individuals of the four tree species at each site. Each tree was killed standing and left exposed to beetle colonization for 20 days prior to sampling. We obtained 12 751 individuals from 84 morphospecies of ambrosia beetles. We surveyed most of the local species richness at each site, predicted by Chao 2 species richness estimates. The similarity of ambrosia beetle communities, estimated by Chao-Sorensen index, was not correlated with their geographical distance. Likelihood analysis and Q-mode analysis using Monte Carlo-generated null distribution of beedes among sites supported the hypothesis that the assemblages of ambrosia beedes at different sites are drawn from the same species pool, regardless of their geographical distance. Tree part (trunk, branch, or twig) was more important predictor of the composition of ambrosia beetle communities than was the host species or geographical location. All three variables, however, explained only a small portion of variability in ambrosia assemblages. The distribution of ambrosia beetles among tree parts, tree species and study sites was mosdy random, suggesting limited importance of host specificity or dispersal limitation. 
540 |a Copyright 2008 Oikos 
650 4 |a Biological sciences  |x Biology  |x Zoology  |x Animals  |x Invertebrates  |x Arthropods  |x Insects  |x Beetles  |x Ambrosia beetles 
650 4 |a Biological sciences  |x Biology  |x Biological taxonomies  |x Species 
650 4 |a Biological sciences  |x Ecology  |x Animal ecology  |x Insect ecology  |x Insect communities 
650 4 |a Biological sciences  |x Ecology  |x Population ecology  |x Synecology  |x Biocenosis  |x Plant communities  |x Forests  |x Rain forests  |x Tropical rain forests 
650 4 |a Applied sciences  |x Food science  |x Foodstuffs  |x Food  |x Supernatural foods  |x Ambrosia 
650 4 |a Biological sciences  |x Ecology  |x Population ecology  |x Synecology  |x Biodiversity  |x Species diversity 
650 4 |a Physical sciences  |x Earth sciences  |x Geography  |x Geomorphology  |x Topography  |x Lowlands 
650 4 |a Physical sciences  |x Earth sciences  |x Geography 
650 4 |a Biological sciences  |x Biology  |x Zoology  |x Animals  |x Invertebrates  |x Arthropods  |x Insects  |x Beetles 
650 4 |a Biological sciences  |x Biology  |x Botany  |x Dendrology  |x Trees 
650 4 |a Biological sciences  |x Biology  |x Zoology  |x Animals  |x Invertebrates  |x Arthropods  |x Insects  |x Beetles  |x Ambrosia beetles 
650 4 |a Biological sciences  |x Biology  |x Biological taxonomies  |x Species 
650 4 |a Biological sciences  |x Ecology  |x Animal ecology  |x Insect ecology  |x Insect communities 
650 4 |a Biological sciences  |x Ecology  |x Population ecology  |x Synecology  |x Biocenosis  |x Plant communities  |x Forests  |x Rain forests  |x Tropical rain forests 
650 4 |a Applied sciences  |x Food science  |x Foodstuffs  |x Food  |x Supernatural foods  |x Ambrosia 
650 4 |a Biological sciences  |x Ecology  |x Population ecology  |x Synecology  |x Biodiversity  |x Species diversity 
650 4 |a Physical sciences  |x Earth sciences  |x Geography  |x Geomorphology  |x Topography  |x Lowlands 
650 4 |a Physical sciences  |x Earth sciences  |x Geography 
650 4 |a Biological sciences  |x Biology  |x Zoology  |x Animals  |x Invertebrates  |x Arthropods  |x Insects  |x Beetles 
650 4 |a Biological sciences  |x Biology  |x Botany  |x Dendrology  |x Trees 
655 4 |a research-article 
700 1 |a Novotny, Vojtech  |e verfasserin  |4 aut 
700 1 |a Maurer, Brian A.  |e verfasserin  |4 aut 
700 1 |a Cognato, Anthony I.  |e verfasserin  |4 aut 
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