Rain forest promotes trophic interactions and diversity of trap-nesting Hymenoptera in adjacent agroforestry

The Journal of Animal Ecology
Alexandra-Maria KleinTeja Tscharntke

Abstract

1. Human alteration of natural ecosystems to agroecosystems continues to accelerate in tropical countries. The resulting world-wide decline of rain forest causes a mosaic landscape, comprising simple and complex agroecosystems and patchily distributed rain forest fragments of different quality. Landscape context and agricultural management can be expected to affect both species diversity and ecosystem services by trophic interactions. 2. In Central Sulawesi, Indonesia, 24 agroforestry systems, differing in the distance to the nearest natural forest (0-1415 m), light intensity (37.5-899.6 W/m(-2)) and number of vascular plant species (7-40 species) were studied. Ten standardized trap nests for bees and wasps, made from reed and knotweed internodes, were exposed in each study site. Occupied nests were collected every month, over a period totalling 15 months. 3. A total of 13,617 brood cells were reared to produce adults of 14 trap-nesting species and 25 natural enemy species, which were mostly parasitoids. The total number of species was affected negatively by increasing distance from forest and increased with light intensity of agroforestry systems. The parasitoids in particular appeared to benefit from nearby forests. Over a 50...Continue Reading

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Citations

Nov 20, 2009·Oecologia·Dorthe VeddelerAlexandra-Maria Klein
Mar 16, 2007·Proceedings of the National Academy of Sciences of the United States of America·Ingolf Steffan-DewenterTeja Tscharntke
Oct 19, 2011·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Jane K HillKeith C Hamer
Jan 29, 2010·Conservation Biology : the Journal of the Society for Conservation Biology·Leigh C MoorheadPeter Bichier
Jul 6, 2014·PloS One·Michael StaabAlexandra-Maria Klein
Oct 1, 2010·Environmental Entomology·Aldo De La Mora, Stacy M Philpott
Mar 28, 2009·Ecological Applications : a Publication of the Ecological Society of America·Andrea HolzschuhTeja Tscharntke
Sep 22, 2009·Conservation Biology : the Journal of the Society for Conservation Biology·D H B BisseleuaS Vidal
Aug 24, 2007·The Journal of Animal Ecology·Matthias AlbrechtChristine B Müller
Jun 29, 2011·Ecology Letters·Rebecca Chaplin-KramerClaire Kremen
Apr 13, 2013·Biological Reviews of the Cambridge Philosophical Society·Gorm ShackelfordSteven M Sait
Aug 28, 2015·Environmental Entomology·Aldo De la MoraStacy M Philpott
Oct 8, 2017·Nature Communications·Phillip P A StaniczenkoFelix Reed-Tsochas
Nov 26, 2015·Ecological Applications : a Publication of the Ecological Society of America·Sergio OsorioJordi Bosch

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