Search Results - "Steffan‐Dewenter, Ingolf"

Landscape-level crop diversity benefits biological pest control by Redlich, Sarah, Martin, Emily A., Steffan-Dewenter, Ingolf

“…1. Landscape-level crop diversification is a promising tool for ecological intensification, whereby biodiversity and ecosystem services are enhanced, and…”
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Pollinator competition and the structure of floral resources by Sponsler, Douglas, Iverson, Aaron, Steffan‐Dewenter, Ingolf

“…The mutualism between plants and pollinators is built upon the trophic ecology of flowers and florivores. Yet the ecology of flowers‐as‐food is left implicit…”
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Foraging distances, habitat preferences and seasonal colony performance of honeybees in Central European forest landscapes by Rutschmann, Benjamin, Kohl, Patrick L., Steffan‐Dewenter, Ingolf

“…Unmanaged forest is considered as native habitat of the Western honeybee Apis mellifera and is assumed to provide important pollen and nectar sources. However,…”
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Honey bee waggle dance communication increases diversity of pollen diets in intensively managed agricultural landscapes by Nürnberger, Fabian, Keller, Alexander, Härtel, Stephan, Steffan‐Dewenter, Ingolf

“…The benefits of honey bee dance communication for colony performance in different resource environments are still not well understood. Here, we test the…”
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Partitioning wild bee and hoverfly contributions to plant–pollinator network structure in fragmented habitats by Jauker, Frank, Jauker, Birgit, Grass, Ingo, Steffan-Dewenter, Ingolf, Wolters, Volkmar

“…The risk of ecosystem function degradation with biodiversity loss has emerged as a major scientific concern in recent years. Possible relationships between…”
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Sustainable landscape, soil and crop management practices enhance biodiversity and yield in conventional cereal systems by Redlich, Sarah, Martin, Emily A., Steffan‐Dewenter, Ingolf, De Frenne, Pieter

“…Input‐driven, modern agriculture is commonly associated with large‐scale threats to biodiversity, the disruption of ecosystem services and long‐term risks to…”
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Pest control potential of adjacent agri‐environment schemes varies with crop type and is shaped by landscape context and within‐field position by Boetzl, Fabian A., Schuele, Maren, Krauss, Jochen, Steffan‐Dewenter, Ingolf, Marini, Lorenzo

“…Increasing natural pest control in agricultural fields is an important aim of ecological intensification. Combined effects of landscape context and local…”
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Agri‐environmental schemes promote ground‐dwelling predators in adjacent oilseed rape fields: Diversity, species traits and distance‐decay functions by Boetzl, Fabian A., Krimmer, Elena, Krauss, Jochen, Steffan‐Dewenter, Ingolf, Lewis, Owen

“…Rising demands for agricultural products and high environmental costs of intensive agriculture reinforce the need for ecological replacements in agricultural…”
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Climate rather than dung resources predict dung beetle abundance and diversity along elevational and land use gradients on Mt. Kilimanjaro by Gebert, Friederike, Steffan‐Dewenter, Ingolf, Moretto, Philippe, Peters, Marcell K.

“…Aim While elevational gradients in species richness constitute some of the best depicted patterns in ecology, there is a large uncertainty concerning the role…”
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Phylogenetic relatedness of food plants reveals highest insect herbivore specialization at intermediate temperatures along a broad climatic gradient by König, Sebastian, Krauss, Jochen, Keller, Alexander, Bofinger, Lukas, Steffan‐Dewenter, Ingolf

“…The composition and richness of herbivore and plant assemblages change along climatic gradients, but knowledge about associated shifts in specialization is…”
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Season and landscape composition affect pollen foraging distances and habitat use of honey bees by Danner, Nadja, Molitor, Anna Maria, Schiele, Susanne, Härtel, Stephan, Steffan-Dewenter, Ingolf

“…Honey bees (Apis mellifera L.) show a large variation in foraging distances and use a broad range of plant species as pollen resources, even in regions with…”
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High rates of nectar depletion in summer grasslands indicate competitive conditions for pollinators by Sponsler, Douglas, Dominik, Christophe, Biegerl, Carolin, Honchar, Hanna, Schweiger, Oliver, Steffan‐Dewenter, Ingolf

“…Competition among pollinators for floral resources is a phenomenon of both basic and applied importance. While competition is difficult to measure directly…”
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Scale-dependent effects of landscape composition and configuration on natural enemy diversity, crop herbivory, and yields by Martin, Emily A., Seo, Bumsuk, Park, Chan-Ryul, Reineking, Björn, Steffan-Dewenter, Ingolf

“…(1) Land-use intensification in agricultural landscapes has led to changes in the way habitats and resources are distributed in space. Pests and their natural…”
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The role of diversity, body size and climate in dung removal: A correlative and experimental approach by Gebert, Friederike, Steffan‐Dewenter, Ingolf, Kronbach, Patrick, Peters, Marcell K.

“…The mechanisms by which climatic changes influence ecosystem functions, that is, by a direct climatic control of ecosystem processes or by modifying richness…”
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Limitation of complementary resources affects colony growth, foraging behavior, and reproduction in bumble bees by Requier, Fabrice, Jowanowitsch, Kim K., Kallnik, Katharina, Steffan-Dewenter, Ingolf

“…Resource availability in agricultural landscapes has been disturbed for many organisms, including pollinator species. Abundance and diversity in flower…”
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Contrasting patterns of richness, abundance, and turnover in mountain bumble bees and their floral hosts by Sponsler, Douglas B., Requier, Fabrice, Kallnik, Katharina, Classen, Alice, Maihoff, Fabienne, Sieger, Johanna, Steffan‐Dewenter, Ingolf

“…Environmental gradients generate and maintain biodiversity on Earth. Mountain slopes are among the most pronounced terrestrial environmental gradients, and the…”
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Morphological traits are linked to the cold performance and distribution of bees along elevational gradients by Peters, Marcell K., Peisker, Jasmin, Steffan-Dewenter, Ingolf, Hoiss, Bernhard

“…Aim: Identifying traits that enhance the success of animals in unhospitable climates helps to understand biogeographical patterns and to predict the…”
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Local and landscape scale woodland cover and diversification of agroecological practices shape butterfly communities in tropical smallholder landscapes by Vogel, Cassandra, Mayer, Vera, Mkandawire, Mwapi, Küstner, Georg, Kerr, Rachel Bezner, Krauss, Jochen, Steffan‐Dewenter, Ingolf

“…The conversion of biodiversity‐rich woodland to farmland and subsequent management has strong, often negative, impacts on biodiversity. In tropical smallholder…”
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Integrating intraspecific variation in community ecology unifies theories on body size shifts along climatic gradients by Classen, Alice, Steffan-Dewenter, Ingolf, Kindeketa, William J., Peters, Marcell K.

“…Summary Physiological and energetic mechanisms have been proposed to constrain body sizes of organisms along climatic gradients; however, these provide…”
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Landscape moderation of biodiversity patterns and processes - eight hypotheses by Tscharntke, Teja, Tylianakis, Jason M, Rand, Tatyana A, Didham, Raphael K, Fahrig, Lenore, Batary, Peter, Bengtsson, Janne, Clough, Yann, Crist, Thomas O, Dormann, Carsten F, Ewers, Robert M, Frund, Jochen, Holt, Robert D, Holzschuh, Andrea, Kleijn, Alexandra M

“…Understanding how landscape characteristics affect biodiversity patterns and ecological processes at local and landscape scales is critical for mitigating…”
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