Abstract booklet - gtÃƒÂ¶ Ã¢Â€Â“ Society for Tropical Ecology

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ABSTRACTS ORAL PRESENTATION | MONDAY 21 FEBRUARY 201121Montag 21 February 201112:00 Keynote speech: Anne Magurran p 2214:25 Keynote speech: Konrad Fiedler p 23MONDAY15:15 Parallel SessionsAndean Hall H III p 24African Savannas Hall IV p 3418:00 End of sessions18:30 Welcome reception at City Hall „Römer“Status and future of tropical biodiversity | Frankfurt, 21 - 24 February 2011gtögtö
22 PLENARY KEYNOTE | HALL H IIIPLENARY KEYNOTE | HALL H III 23Keynote speaker: Anne MagurranChair: Bruno StreitKeynote speaker: Konrad FiedlerChair: Pia ParolinMONDAY 12:00 Hall H IIICHALLENGES AND OPPORTUNITIES IN TROPICAL BIODIVERSITYASSESSMENTAnne Magurran, University of St Andrews, St Andrews, UK,aem1@st-and.ac.ukEver since Bates, Wallace and Darwin it has been clear that tropical systemssupport immense biological diversity. However quantifying and understandingthat biological diversity can be daunting. Here, with particular emphasis onfreshwater fish communities, I attempt to identify tractable questions in tropicalbiodiversity and consider how these approaches might shed light on both theprocesses that underpin this diversity and effective conservation policies thatwill help conserve it.DISSECTING INSECT MEGADIVERSITY:EVIDENCE FROM A TROPICAL MONTANE HOTSPOT REGIONKonrad Fiedler, Department of Animal Biodiversity, University ofVienna, Vienna, AustriaTropical rainforest communities harbour insect communities that, by allstandards, deserve to be termed mega-diverse. During the past decade, tropicalmountains have been recognized to often give home to more species-richfaunas than lowland forests. Much of this mega-diversity is found in herbivorousinsects and their parasitoids, and these groups of organisms play key roles asparadigms to extrapolate global terrestrial species numbers. I here use dataon nocturnal Lepidoptera, a basically herbivorous insect clade, from a globalbiodiversity hotspot, the eastern equatorial Andes, to examine their diversityalong various ecological and evolutionary dimensions. High species richness atvery local scales is one key component. Strong species turnover along elevational,topographical and succession gradients contributes significantly to the largediversity at landscape levels. High host plant specificity and co-evolutionarydynamics are important, as are extensions in feeding habits beyond classicalherbivory. Quantitative inventories aided by DNA barcoding, morphologicalstudies and niche characterizations of species continue to extend documentedrichness even in cases where recent studies had suggested an asymptoticcoverage of the fauna. As a result, regional and global estimates of speciesnumbers will have to be substantially revised. Molecular phylogenetic analysesreveal, however, that in evolutionary terms much of this diversity is older thanexpected. This points to the prominent role of tectonic and/or climatic eventsand the accumulation of biotic interaction partners, whereas the importance ofglacial climate oscillations may need to be critically re-visited.MONDAY 14:25 Hall H IIIgtöSociety for Tropical Ecology | Gesellschaft für Tropenökologie e.V. Status and future of tropical biodiversity | Frankfurt, 21 - 24 February 2011gtö
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244 NOTESNOTES245. . . . . . . . .
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248 GENERAL INFORMATIONGENERAL INFO
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252 INDEX PARTICIPANTSINDEX PARTICI
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260CONFERENCE VENUE - CAMPUS BOCKEN
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Abstract booklet - gtÃƒÂ¶ Ã¢Â€Â“ Society for Tropical Ecology

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