Teja Tscharntke

Summary

Country: Germany

Publications

  1. ncbi request reprint Habitat modification alters the structure of tropical host-parasitoid food webs
    Jason M Tylianakis
    Agroecology, Georg August University, Waldweg 26, Goettingen D 37073, Germany
    Nature 445:202-5. 2007
  2. doi request reprint Landscape moderation of biodiversity patterns and processes - eight hypotheses
    Teja Tscharntke
    Agroecology, Department of Crop Sciences, Georg August University, Grisebachstrasse 6, 37077 Gottingen, Germany
    Biol Rev Camb Philos Soc 87:661-85. 2012
  3. ncbi request reprint Landscape constraints on functional diversity of birds and insects in tropical agroecosystems
    Teja Tscharntke
    Agroecology, University of Gottingen, Georg August Universitat, Waldweg 26, D 37073 Gottingen, Germany
    Ecology 89:944-51. 2008
  4. ncbi request reprint Plant-insect interactions in fragmented landscapes
    Teja Tscharntke
    Agroecology, University of Gottingen, Germany
    Annu Rev Entomol 49:405-30. 2004
  5. ncbi request reprint Caveats to quantifying ecosystem services: fruit abortion blurs benefits from crop pollination
    Merijn M Bos
    Agroecology, University of Goettingen, Waldweg 26, Goettingen D 37073, Germany
    Ecol Appl 17:1841-9. 2007
  6. pmc Expansion of mass-flowering crops leads to transient pollinator dilution and reduced wild plant pollination
    Andrea Holzschuh
    Agroecology, Department of Crop Sciences, Georg August University, Grisebachstr 6, 37077 Gottingen, Germany
    Proc Biol Sci 278:3444-51. 2011
  7. ncbi request reprint Alpha and beta diversity of plants and animals along a tropical land-use gradient
    Michael Kessler
    Albrecht von Haller Institute of Plant Sciences, University of Gottingen, 37073 Gottingen, Germany
    Ecol Appl 19:2142-56. 2009
  8. pmc Crop-noncrop spillover: arable fields affect trophic interactions on wild plants in surrounding habitats
    David J Gladbach
    Agroecology, Department of Crop Science, Georg August University Gottingen, Gottingen, Germany
    Oecologia 166:433-41. 2011
  9. ncbi request reprint The relationship between agricultural intensification and biological control: experimental tests across Europe
    Carsten Thies
    Department of Crop Science, Agroecology, Georg August University, Waldweg 26, 37073 Gottingen, Germany
    Ecol Appl 21:2187-96. 2011
  10. pmc Agricultural intensification and cereal aphid-parasitoid-hyperparasitoid food webs: network complexity, temporal variability and parasitism rates
    Vesna Gagic
    Agroecology, Department of Crop Science, Georg August University, Grisebachstrasse 6, 37077, Gottingen, Germany
    Oecologia 170:1099-109. 2012

Detail Information

Publications41

  1. ncbi request reprint Habitat modification alters the structure of tropical host-parasitoid food webs
    Jason M Tylianakis
    Agroecology, Georg August University, Waldweg 26, Goettingen D 37073, Germany
    Nature 445:202-5. 2007
    ..Altered interaction structure therefore represents an insidious and functionally important hidden effect of habitat modification by humans...
  2. doi request reprint Landscape moderation of biodiversity patterns and processes - eight hypotheses
    Teja Tscharntke
    Agroecology, Department of Crop Sciences, Georg August University, Grisebachstrasse 6, 37077 Gottingen, Germany
    Biol Rev Camb Philos Soc 87:661-85. 2012
    ..Shifting our research focus from local to landscape-moderated effects on biodiversity will be critical to developing solutions for future biodiversity and ecosystem service management...
  3. ncbi request reprint Landscape constraints on functional diversity of birds and insects in tropical agroecosystems
    Teja Tscharntke
    Agroecology, University of Gottingen, Georg August Universitat, Waldweg 26, D 37073 Gottingen, Germany
    Ecology 89:944-51. 2008
    ..This is important for data-based management of tropical human-dominated landscapes sustaining the capacity of communities to reorganize after disturbance and to ensure ecological functioning...
  4. ncbi request reprint Plant-insect interactions in fragmented landscapes
    Teja Tscharntke
    Agroecology, University of Gottingen, Germany
    Annu Rev Entomol 49:405-30. 2004
    ..In some cases theory is far ahead of empirical research. We call for more population data on large spatial and temporal scales to better understand plant-insect populations across fragmented landscapes...
  5. ncbi request reprint Caveats to quantifying ecosystem services: fruit abortion blurs benefits from crop pollination
    Merijn M Bos
    Agroecology, University of Goettingen, Waldweg 26, Goettingen D 37073, Germany
    Ecol Appl 17:1841-9. 2007
    ....
  6. pmc Expansion of mass-flowering crops leads to transient pollinator dilution and reduced wild plant pollination
    Andrea Holzschuh
    Agroecology, Department of Crop Sciences, Georg August University, Grisebachstr 6, 37077 Gottingen, Germany
    Proc Biol Sci 278:3444-51. 2011
    ....
  7. ncbi request reprint Alpha and beta diversity of plants and animals along a tropical land-use gradient
    Michael Kessler
    Albrecht von Haller Institute of Plant Sciences, University of Gottingen, 37073 Gottingen, Germany
    Ecol Appl 19:2142-56. 2009
    ..Thus, conservation plans on a landscape scale need to put more emphasis on the high heterogeneity of agroforests and the overarching role of beta diversity shaping overall diversity patterns...
  8. pmc Crop-noncrop spillover: arable fields affect trophic interactions on wild plants in surrounding habitats
    David J Gladbach
    Agroecology, Department of Crop Science, Georg August University Gottingen, Gottingen, Germany
    Oecologia 166:433-41. 2011
    ..In conclusion, we showed that spillover from cropland affects parasitism rates on related wild plants outside cropland, which has not been shown so far, but can be expected to be a widespread effect shaping noncrop food webs...
  9. ncbi request reprint The relationship between agricultural intensification and biological control: experimental tests across Europe
    Carsten Thies
    Department of Crop Science, Agroecology, Georg August University, Waldweg 26, 37073 Gottingen, Germany
    Ecol Appl 21:2187-96. 2011
    ..This shows a changing role of species group identity in diverse enemy communities and a need to consider region-specific landscape management...
  10. pmc Agricultural intensification and cereal aphid-parasitoid-hyperparasitoid food webs: network complexity, temporal variability and parasitism rates
    Vesna Gagic
    Agroecology, Department of Crop Science, Georg August University, Grisebachstrasse 6, 37077, Gottingen, Germany
    Oecologia 170:1099-109. 2012
    ..In conclusion, intensified agriculture can support diverse albeit highly variable parasitoid-host communities, but ecosystem functioning might not be easy to predict from observed changes in community structure and composition...
  11. pmc Combining high biodiversity with high yields in tropical agroforests
    Yann Clough
    Agroecology, Department of Crop Sciences, Institute of Geography, Cartography, Geographic Information System, Georg August Universitat Gottingen, D 37077 Gottingen, Germany
    Proc Natl Acad Sci U S A 108:8311-6. 2011
    ....
  12. ncbi request reprint Diversity, ecosystem function, and stability of parasitoid-host interactions across a tropical habitat gradient
    Jason M Tylianakis
    Agroecology, Georg August University, Waldweg 26, Göttingen D 37073, Germany
    Ecology 87:3047-57. 2006
    ..We also show that pooling data over long time periods, as in previous studies, can blur the effect of diversity on parasitism rates, and the appropriate spatiotemporal scale of study must be considered...
  13. ncbi request reprint Rain forest promotes trophic interactions and diversity of trap-nesting Hymenoptera in adjacent agroforestry
    Alexandra Maria Klein
    Department of Agroecology, University of Gottingen, Waldweg 26, D 37073 Gottingen, Germany
    J Anim Ecol 75:315-23. 2006
    ....
  14. pmc Tradeoffs between income, biodiversity, and ecosystem functioning during tropical rainforest conversion and agroforestry intensification
    Ingolf Steffan-Dewenter
    Department of Agroecology, Georg August Universitat Gottingen, Waldweg 26, 37073 Gottingen, Germany
    Proc Natl Acad Sci U S A 104:4973-8. 2007
    ..Certification schemes for shade-grown crops may provide a market-based mechanism to slow down current intensification trends...
  15. pmc Sapling herbivory, invertebrate herbivores and predators across a natural tree diversity gradient in Germany's largest connected deciduous forest
    Stephanie Sobek
    Agroecology, Department of Crop Science, University of Gottingen, Waldweg 26, 37073 Gottingen, Germany
    Oecologia 160:279-88. 2009
    ..Hence, herbivory on beech appeared to be mediated bottom-up by resource concentration in the sampled forest stands, as well as regulated top-down through biocontrol by natural enemies...
  16. pmc Functional group diversity of bee pollinators increases crop yield
    Patrick Hoehn
    Agroecology, University of Gottingen, Waldweg 26, 37073 Gottingen, Germany
    Proc Biol Sci 275:2283-91. 2008
    ....
  17. pmc Importance of pollinators in changing landscapes for world crops
    Alexandra Maria Klein
    Agroecology, University of Gottingen, Waldweg 26, 37073 Gottingen, Germany
    Proc Biol Sci 274:303-13. 2007
    ..Case studies for nine crops on four continents revealed that agricultural intensification jeopardizes wild bee communities and their stabilizing effect on pollination services at the landscape scale...
  18. ncbi request reprint Beta diversity at different spatial scales: plant communities in organic and conventional agriculture
    Doreen Gabriel
    Agroecology, University of Gottingen, Germany
    Ecol Appl 16:2011-21. 2006
    ....
  19. doi request reprint Multitrophic effects of experimental changes in plant diversity on cavity-nesting bees, wasps, and their parasitoids
    Anne Ebeling
    Department of Crop Sciences, Griesebachstr 6, 37077, Gottingen, Germany
    Oecologia 169:453-65. 2012
    ..The positive relationship between plant diversity and the community similarity of higher trophic levels indicates a community-stabilising effect of high plant diversity...
  20. ncbi request reprint Spillover edge effects: the dispersal of agriculturally subsidized insect natural enemies into adjacent natural habitats
    Tatyana A Rand
    Agroecology, University of Gottingen, Waldweg 26, 37073 Gottingen, Germany
    Ecol Lett 9:603-14. 2006
    ..More empirical work examining the prevalence and significance of such natural enemy spillover will be critical to a broader understanding of fragmentation impacts on insect predator-prey interactions...
  21. doi request reprint How do landscape composition and configuration, organic farming and fallow strips affect the diversity of bees, wasps and their parasitoids?
    Andrea Holzschuh
    Agroecology, Georg August University, Waldweg 26, D 37073 Gottingen, Germany
    J Anim Ecol 79:491-500. 2010
    ..Thus, we conclude that high proportions of conventionally managed and large crop fields threaten pollination and biological control services at a landscape scale...
  22. pmc Food web structure and biocontrol in a four-trophic level system across a landscape complexity gradient
    Vesna Gagic
    Department of Crop Science, Agroecology, Georg August University, Grisebachstrasse 6, 37077 Gottingen, Germany
    Proc Biol Sci 278:2946-53. 2011
    ..In conclusion, landscape complexity appeared to foster higher parasitism rates, but simpler food webs, thereby casting doubt on the general importance of food web complexity for ecosystem functioning...
  23. ncbi request reprint Grass strip corridors in agricultural landscapes enhance nest-site colonization by solitary wasps
    Andrea Holzschuh
    Agroecology, Georg August University, Waldweg 26, D 37073 Gottingen, Germany
    Ecol Appl 19:123-32. 2009
    ....
  24. ncbi request reprint Bee diversity effects on pollination depend on functional complementarity and niche shifts
    Jochen Fründ
    Agroecology, Department of Crop Sciences, Georg August University Gottingen, Grisebachstrasse 3, 37077 Gottingen, Germany
    Ecology 94:2042-54. 2013
    ....
  25. pmc Organic farming favours insect-pollinated over non-insect pollinated forbs in meadows and wheat fields
    Péter Batáry
    Agroecology, Georg August University, Gottingen, Germany
    PLoS ONE 8:e54818. 2013
    ....
  26. pmc Landscape-moderated biodiversity effects of agri-environmental management: a meta-analysis
    Péter Batáry
    Department of Agroecology, Georg August University, Griesebachstrasse 6, 37077 Gottingen, Germany
    Proc Biol Sci 278:1894-902. 2011
    ..Therefore, we conclude that AEM should be adapted to landscape structure and the species groups at which they are targeted...
  27. ncbi request reprint Agricultural intensification and biodiversity partitioning in European landscapes comparing plants, carabids, and birds
    Andreas Flohre
    Agroecology, Department of Crop Science, Georg August University, Waldweg 26, 37073 Gottingen, Germany
    Ecol Appl 21:1772-81. 2011
    ..In conclusion, a more detailed understanding of AI effects on diversity patterns of various taxa and at multiple spatial scales would contribute to more efficient agri-environmental schemes in agroecosystems...
  28. pmc The landscape context of cereal aphid-parasitoid interactions
    Carsten Thies
    Department of Agroecology, Georg August University Gottingen, Waldweg 26, 37073 Gottingen, Germany
    Proc Biol Sci 272:203-10. 2005
    ..Hence, the higher trophic level populations appeared to be determined by smaller landscape sectors owing to dispersal limitation, showing the 'functional spatial scale' for species-specific landscape management...
  29. pmc Bee pollination improves crop quality, shelf life and commercial value
    Björn K Klatt
    Agroecology, Department of Crop Sciences, University of Gottingen, Grisebachstrasse 6, 37077 Gottingen, Germany, Centre for Environmental and Climate Research, University of Lund, Solvegatan 37, 22362 Lund, Sweden, Department of Animal Ecology and Tropical Biology Zoology III, Biocenter, Am Hubland, University of Wurzburg, 97074 Wurzburg, Germany, Quality of Plant Products, Department of Crop Sciences, Carl Sprengel Weg 1, 37075 Gottingen, Germany
    Proc Biol Sci 281:20132440. 2014
    ..Thus, our comprehensive findings should be transferable to a wide range of crops and demonstrate bee pollination to be a hitherto underestimated but vital and economically important determinant of fruit quality. ..
  30. doi request reprint Linné's floral clock is slow without pollinators--flower closure and plant-pollinator interaction webs
    Jochen Fründ
    Agroecology, Department of Crop Sciences, Georg August University Gottingen, Grisebachstr 6, 37077 Gottingen, Germany
    Ecol Lett 14:896-904. 2011
    ..Our results show for the first time that pollination induces rapid flower closure on the community level. This causes imprecision in Linné's floral clock with far-reaching consequences for plant-pollinator interactions...
  31. ncbi request reprint Bumblebees experience landscapes at different spatial scales: possible implications for coexistence
    Catrin Westphal
    Department of Agroecology, University of Gottingen, Waldweg 26, 37073, Gottingen, Germany
    Oecologia 149:289-300. 2006
    ..We conclude that coexistence in bumblebee communities could potentially be mediated by species-specific differences in the spatial resource utilisation patterns, which should be considered in conservation schemes...
  32. ncbi request reprint Effects of habitat fragmentation on the genetic structure of the monophagous butterfly Polyommatus coridon along its northern range margin
    Jochen Krauss
    Agroecology, University of Gottingen, Waldweg 26, D 37073 Gottingen, Germany
    Mol Ecol 13:311-20. 2004
    ..This might be explained by (i). an increasing habitat fragmentation towards the edge of the distribution range and/or (ii). a general reduction of genetic variability towards the northern edge of its distribution...
  33. ncbi request reprint Local species immigration, extinction, and turnover of butterflies in relation to habitat area and habitat isolation
    Jochen Krauss
    Agroecology, University of Gottingen, Waldweg 26, 37073 Gottingen, Germany
    Oecologia 137:591-602. 2003
    ..Habitat isolation appears to be less important, as butterflies can cope with the habitat mosaic in our study region...
  34. ncbi request reprint Effects of below- and above-ground herbivores on plant growth, flower visitation and seed set
    Katja Poveda
    Agroecology, Gottingen University, Waldweg 26, 37073, Gottingen, Germany
    Oecologia 135:601-5. 2003
    ....
  35. pmc Fruit set of highland coffee increases with the diversity of pollinating bees
    Alexandra Maria Klein
    Agroecology, University of Gottingen, Waldweg 26, D 37073 Gottingen, Germany
    Proc Biol Sci 270:955-61. 2003
    ..Conservation of rainforest adjacent to adequately managed agroforestry systems could improve the yields of farmers...
  36. doi request reprint Bottom-up effects of plant diversity on multitrophic interactions in a biodiversity experiment
    Christoph Scherber
    Georg August University Gottingen, Department of Crop Sciences, Agroecology, Grisebachstrasse 6, 37077 Gottingen, Germany
    Nature 468:553-6. 2010
    ..Effects on higher trophic levels are indirectly mediated through bottom-up trophic cascades...
  37. pmc Relative importance of predators and parasitoids for cereal aphid control
    Martin H Schmidt
    Department of Agroecology, Georg August University, Waldweg 26, D 37073 Gottingen, Germany
    Proc Biol Sci 270:1905-9. 2003
    ..In conclusion, a more detailed knowledge of the mechanisms of natural pest control would help to develop environmentally sound crop management with reduced pesticide applications...
  38. doi request reprint Gene flow and genetic diversity in cultivated and wild cacao (Theobroma cacao) in Bolivia
    Claudia Chumacero de Schawe
    Agroecology, Department of Crop Sciences, Georg August University Gottingen, Germany
    Am J Bot 100:2271-9. 2013
    ..To study the pollen flow of cacao, we estimated the degree of self-pollination and pollen dispersal distances as well as gene flow between wild and cultivated cacao (Theobroma cacao L.)...
  39. pmc Interaction complexity matters: disentangling services and disservices of ant communities driving yield in tropical agroecosystems
    Arno Wielgoss
    Agroecology, Department of Crop Sciences, University of Gottingen, Grisebachstrasse 6, Göttingen 37077, Germany, Department of Animal Ecology and Tropical Biology Zoology III, Biocenter, University of Wurzburg, Am Hubland, Würzburg 97074, Germany, Department of Agriculture, Klabat University, Airmadidi No 1, Manado 95371, Indonesia, Faculty of Agriculture, University of Tadulako, Palu 94118, Indonesia, Centre for Environmental and Climate Research, Lund University, Solvegatan 37, Lund 223 62, Sweden
    Proc Biol Sci 281:20132144. 2014
    ..Species traits and ant community structure affect services and disservices for agriculture in surprisingly complex ways, with species-rich and even communities promoting highest yield. ..
  40. doi request reprint Response diversity of wild bees to overwintering temperatures
    Jochen Fründ
    Agroecology, Department of Crop Sciences, Georg August University of Gottingen, Gottingen, Germany
    Oecologia 173:1639-48. 2013
    ..Taken together, wild bee diversity provides response diversity to climate change, which may be the basis for an insurance effect...
  41. pmc Flower volatiles, crop varieties and bee responses
    Björn K Klatt
    Agroecology, University of Gottingen, Gottingen, Germany
    PLoS ONE 8:e72724. 2013
    ..Since quality and quantity of marketable fruits depend on optimal pollination, a better understanding of the role of flower volatiles in crop production is required and should be considered more closely in crop-variety breeding. ..