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  1. AU="Georg K.S. Andersson"
  2. AU="Jeannel, Gaël-François"
  3. AU="Stuart Woods"
  4. AU="Shchegolev, A."
  5. AU="Nadeau, Pierre-Louis"
  6. AU="Gordon, David E A"
  7. AU="Shahid Mahmood"
  8. AU="Rosenblatt, Karin"
  9. AU="Dasgupta, Suvankar"
  10. AU=Nguyen Sylvain AU=Nguyen Sylvain

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  1. Artikel ; Online: Editorial

    Georg K. S. Andersson / Elena D. Concepción / Juliana Hipólito / Manuel B. Morales / Anna S. Persson

    Frontiers in Ecology and Evolution, Vol

    Habitat Modification and Landscape Fragmentation in Agricultural Ecosystems: Implications for Biodiversity and Landscape Multi-Functionality

    2021  Band 9

    Schlagwörter biodiversity ; ecosystem function ; habitat loss ; fragmentation ; agro-ecosystem ; ecosystem service ; Evolution ; QH359-425 ; Ecology ; QH540-549.5
    Sprache Englisch
    Erscheinungsdatum 2021-12-01T00:00:00Z
    Verlag Frontiers Media S.A.
    Dokumenttyp Artikel ; Online
    Datenquelle BASE - Bielefeld Academic Search Engine (Lebenswissenschaftliche Auswahl)

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  2. Artikel ; Online: Airborne environmental DNA metabarcoding for the monitoring of terrestrial insects—A proof of concept from the field

    Fabian Roger / Hamid R. Ghanavi / Natalie Danielsson / Niklas Wahlberg / Jakob Löndahl / Lars B. Pettersson / Georg K. S. Andersson / Niklas Boke Olén / Yann Clough

    Environmental DNA, Vol 4, Iss 4, Pp 790-

    2022  Band 807

    Abstract: Abstract Biodiversity is in decline due to human‐induced pressures on ecosystems around the world. To be able to counteract this alarming trend, it is paramount to closely monitor biodiversity at global scales. Because this is practically impossible with ...

    Abstract Abstract Biodiversity is in decline due to human‐induced pressures on ecosystems around the world. To be able to counteract this alarming trend, it is paramount to closely monitor biodiversity at global scales. Because this is practically impossible with traditional methods, the last decade has seen a strong push for new solutions. In aquatic ecosystems, the monitoring of species from environmental DNA (eDNA) has emerged as one of the most powerful tools at our disposal, but in terrestrial ecosystems, the power of eDNA for monitoring has so far been hampered by the local scale of the samples. In this study, we report the successful detection of insects from airborne eDNA from samples taken in the field. We compare our results to two traditional insect monitoring methods (1) light traps for moth monitoring and (2) transect walks for the monitoring of butterflies and wild bees. Airborne eDNA metabarcoding revealed DNA from six classes of arthropods, and twelve order of insects—including representatives from the four largest orders: Diptera (flies), Lepidoptera (butterflies and moths), Coleoptera (beetles), and Hymenoptera (bees, wasps, and ants). We did not detect all species observed using traditional methods and suggest further directions for the development of airborne eDNA metabarcoding. We also recovered DNA from nine species of vertebrates, including frogs, birds, and mammals as well as from 12 other phyla. Airborne eDNA has the potential to become a powerful tool for terrestrial biodiversity monitoring, with many impactful applications including the monitoring of pests, invasive, or endangered species and disease vectors.
    Schlagwörter aerosols ; biodiversity ; DNA barcoding ; environmental DNA ; Insecta ; Environmental sciences ; GE1-350 ; Microbial ecology ; QR100-130
    Thema/Rubrik (Code) 333
    Sprache Englisch
    Erscheinungsdatum 2022-07-01T00:00:00Z
    Verlag Wiley
    Dokumenttyp Artikel ; Online
    Datenquelle BASE - Bielefeld Academic Search Engine (Lebenswissenschaftliche Auswahl)

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  3. Artikel: Organic management in apple orchards: Higher impacts on biological control than on pollination

    Porcel, Mario / Georg K. S. Andersson / Joakim Pålsson / Marco Tasin

    Journal of applied ecology. 2018 Nov., v. 55, no. 6

    2018  

    Abstract: Intensive agricultural management negatively affects both natural enemies of pests and pollinators. Such management also has the potential to adversely affect the ecosystem services that these communities confer. Organic management has been proposed as ... ...

    Abstract Intensive agricultural management negatively affects both natural enemies of pests and pollinators. Such management also has the potential to adversely affect the ecosystem services that these communities confer. Organic management has been proposed as an alternative method to mitigate such problems by restoring the services provided by arthropod communities. We evaluated the effect of organic management on two ecosystem services provided by arthropods in apple orchards: pollination and biological control. We used relative decrease in colonies to assess biological control of the major apple aphid pest, and measured pollination through fruit set, number of seeds per apple and pollinator visitation. Additionally, we monitored the organisms responsible for pollination and biological control services and established the impact of pollination on apple quality. Our results show a strong effect of organic management on biological control and on the temporal dynamic of natural enemy–pest interactions. Parameters such as aphid colony suppression, first and repeated occurrence of natural enemies, natural enemy species evenness and natural enemy abundance were significantly higher in organic compared to conventional orchards. Predatory bugs were the natural enemies best‐affected by organic management and played a key role in early predation of aphids preventing colony growth. In this instance, pollination was not influenced by organic management. It is likely due to the temporal scale at which this service is delivered, a scale that differs greatly from biological control, combined with differences in the dispersal capacity of the organisms involved. Fruit weight, calcium, potassium and magnesium content were positively affected by pollination success. Synthesis and applications. We found that organic management in apple orchards preserves the local natural enemy community, and specifically predatory bug populations, essential for early aphid colony suppression. Our results suggest that, in conventional orchards, local management options that decrease or even eliminate pesticide use early in the season would increase the biological control of aphids. This would lead to reduction in apple damage at harvest. Our results on pollination success indicate that the implementation of organic management at orchard scale does not enhance pollination services for apple growers.
    Schlagwörter agricultural management ; Aphis pomi ; apples ; arthropod communities ; biological control ; calcium ; ecosystem services ; fruit set ; fruits ; growers ; magnesium ; Malus domestica ; natural enemies ; orchards ; pesticides ; pests ; pollination ; pollinators ; potassium ; predation ; predatory insects ; seeds
    Sprache Englisch
    Erscheinungsverlauf 2018-11
    Umfang p. 2779-2789.
    Erscheinungsort John Wiley & Sons, Ltd
    Dokumenttyp Artikel
    Anmerkung JOURNAL ARTICLE
    ZDB-ID 410405-5
    ISSN 1365-2664 ; 0021-8901
    ISSN (online) 1365-2664
    ISSN 0021-8901
    DOI 10.1111/1365-2664.13247
    Datenquelle NAL Katalog (AGRICOLA)

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  4. Artikel ; Online: Ignoring Ecosystem-Service Cascades Undermines Policy for Multifunctional Agricultural Landscapes

    Lovisa Nilsson / Georg K. S. Andersson / Klaus Birkhofer / Henrik G. Smith

    Frontiers in Ecology and Evolution, Vol

    2017  Band 5

    Abstract: Over and above food, agricultural landscapes provide citizens with crucial public-good ecosystem services, such as biodiversity conservation, cultural values, recreational opportunities, and food security. Because continuing agricultural intensification ... ...

    Abstract Over and above food, agricultural landscapes provide citizens with crucial public-good ecosystem services, such as biodiversity conservation, cultural values, recreational opportunities, and food security. Because continuing agricultural intensification undermines the ability of landscapes to provide public goods, policies have been implemented to preserve landscape multifunctionality, but with limited success. We suggest that one reason for this lack of success is that the cascading nature of ecosystem services has not been sufficiently addressed. While different definitions of multifunctionality emphasize different parts of the service cascades, we argue that efficient policies targeting multifunctionality simultaneously need to consider ecosystem services along the entire cascade, i.e., both intermediate and final ones. By understanding how multiple final ecosystem services are promoted by single measures with effects on multiple intermediate ecosystem services or by single intermediate ecosystem services with effects on multiple final ecosystem services, measures can be identified that simultaneously benefit private and public goods, allowing the latter to hitchhike on management for the former. Even if such synergistic solutions are less efficient in terms of promoting yields compared to non-synergistic solutions, policies such as payment for ecosystem services to promote them may be cost-efficient since the private benefit reduces the need for public payment. Furthermore, by focusing on the ecosystem service cascade, social-ecological scale-mismatches along the cascade hampering the implementation of synergistic solutions can be identified and targeted by policy. We exemplify our reasoning with the potential benefit to biodiversity conservation from yield-enhancing ecosystem services.
    Schlagwörter multifunctionality ; ecosystem services ; ecosystem-service cascade ; multifunctional agricultural landscapes ; agri-environmental measures ; Evolution ; QH359-425 ; Ecology ; QH540-549.5
    Thema/Rubrik (Code) 710
    Sprache Englisch
    Erscheinungsdatum 2017-09-01T00:00:00Z
    Verlag Frontiers Media S.A.
    Dokumenttyp Artikel ; Online
    Datenquelle BASE - Bielefeld Academic Search Engine (Lebenswissenschaftliche Auswahl)

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  5. Artikel ; Online: Organic farming improves pollination success in strawberries.

    Georg K S Andersson / Maj Rundlöf / Henrik G Smith

    PLoS ONE, Vol 7, Iss 2, p e

    2012  Band 31599

    Abstract: Pollination of insect pollinated crops has been found to be correlated to pollinator abundance and diversity. Since organic farming has the potential to mitigate negative effects of agricultural intensification on biodiversity, it may also benefit crop ... ...

    Abstract Pollination of insect pollinated crops has been found to be correlated to pollinator abundance and diversity. Since organic farming has the potential to mitigate negative effects of agricultural intensification on biodiversity, it may also benefit crop pollination, but direct evidence of this is scant. We evaluated the effect of organic farming on pollination of strawberry plants focusing on (1) if pollination success was higher on organic farms compared to conventional farms, and (2) if there was a time lag from conversion to organic farming until an effect was manifested. We found that pollination success and the proportion of fully pollinated berries were higher on organic compared to conventional farms and this difference was already evident 2-4 years after conversion to organic farming. Our results suggest that conversion to organic farming may rapidly increase pollination success and hence benefit the ecosystem service of crop pollination regarding both yield quantity and quality.
    Schlagwörter Medicine ; R ; Science ; Q
    Sprache Englisch
    Erscheinungsdatum 2012-01-01T00:00:00Z
    Verlag Public Library of Science (PLoS)
    Dokumenttyp Artikel ; Online
    Datenquelle BASE - Bielefeld Academic Search Engine (Lebenswissenschaftliche Auswahl)

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  6. Artikel: The impact of sown flower strips on plant reproductive success in Southern Sweden varies with landscape context

    Herbertsson, Lina / Annelie M. Jönsson / Georg K.S. Andersson / Henrik G. Smith / Johan Ekroos / Kathrin Seibel / Maj Rundlöf / Martin Stjernman / Ola Olsson

    Agriculture, ecosystems & environment. 2018 May 01, v. 259

    2018  

    Abstract: In agricultural landscapes, sown flower strips can benefit pollinators and pollination of nearby plants, but their impact on pollination in the wider landscape is poorly studied. We evaluated effects on reproductive success of field bean (Vicia faba) and ...

    Abstract In agricultural landscapes, sown flower strips can benefit pollinators and pollination of nearby plants, but their impact on pollination in the wider landscape is poorly studied. We evaluated effects on reproductive success of field bean (Vicia faba) and woodland strawberry (Fragaria vesca) using data from two study systems, both including study sites (1 km radius) with (flower strip sites) or without flower strips (control sites). To assess whether flower strips enhance pollination in the wider landscape, we compared the reproductive success between plants growing in field borders (> 160 m to nearest flower strip) at flower strips sites and control sites. We also tested if flower strips reallocate pollination functions in the landscape. We did this by comparing the reproductive success of plants at flower strip sites, growing adjacent to the flower strips with plants growing in a more distant field border at the same site (> 160 m). Finally, we tested if these potential effects depended on the heterogeneity of the landscape. In field borders without an adjacent flower strip, plant reproductive success was unaffected by the presence of a flower strip at the site, and increased with increasing landscape heterogeneity independently of site type (flower strip vs. control). In contrast, adjacent to the flower strips, reproductive success declined with increasing landscape heterogeneity, resulting in a positive net effect of adjacent flower strips in homogeneous landscapes and a negative effect in heterogeneous landscapes. Our results show that while decreasing landscape heterogeneity may impair pollination in homogeneous landscapes, this can be locally mitigated by sowing flower strips. However, in heterogeneous landscapes, flower strips may instead reduce pollination of adjacent plants.
    Schlagwörter agricultural land ; beans ; flowers ; Fragaria vesca ; landscapes ; pollination ; pollinators ; reproductive success ; Vicia faba ; Sweden
    Sprache Englisch
    Erscheinungsverlauf 2018-0501
    Umfang p. 127-134.
    Erscheinungsort Elsevier B.V.
    Dokumenttyp Artikel
    ZDB-ID 602345-9
    ISSN 1873-2305 ; 0167-8809
    ISSN (online) 1873-2305
    ISSN 0167-8809
    DOI 10.1016/j.agee.2018.03.006
    Datenquelle NAL Katalog (AGRICOLA)

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  7. Artikel ; Online: Field-level clothianidin exposure affects bumblebees but generally not their pathogens

    Dimitry Wintermantel / Barbara Locke / Georg K. S. Andersson / Emilia Semberg / Eva Forsgren / Julia Osterman / Thorsten Rahbek Pedersen / Riccardo Bommarco / Henrik G. Smith / Maj Rundlöf / Joachim R. de Miranda

    Nature Communications, Vol 9, Iss 1, Pp 1-

    2018  Band 10

    Abstract: The potential impact of neonicotinoid field exposure on bumblebee microbiota remains unclear. In a landscape—scale study, Wintermantel et al. show that whilst exposure to clothianidin impacts Bombus terrestris performance, it does not affect levels of ... ...

    Abstract The potential impact of neonicotinoid field exposure on bumblebee microbiota remains unclear. In a landscape—scale study, Wintermantel et al. show that whilst exposure to clothianidin impacts Bombus terrestris performance, it does not affect levels of gut bacteria, viruses or intracellular parasites.
    Schlagwörter Science ; Q
    Sprache Englisch
    Erscheinungsdatum 2018-12-01T00:00:00Z
    Verlag Nature Publishing Group
    Dokumenttyp Artikel ; Online
    Datenquelle BASE - Bielefeld Academic Search Engine (Lebenswissenschaftliche Auswahl)

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  8. Artikel ; Online: Field-level clothianidin exposure affects bumblebees but generally not their pathogens

    Dimitry Wintermantel / Barbara Locke / Georg K. S. Andersson / Emilia Semberg / Eva Forsgren / Julia Osterman / Thorsten Rahbek Pedersen / Riccardo Bommarco / Henrik G. Smith / Maj Rundlöf / Joachim R. de Miranda

    Nature Communications, Vol 9, Iss 1, Pp 1-

    2018  Band 10

    Abstract: The potential impact of neonicotinoid field exposure on bumblebee microbiota remains unclear. In a landscape—scale study, Wintermantel et al. show that whilst exposure to clothianidin impacts Bombus terrestris performance, it does not affect levels of ... ...

    Abstract The potential impact of neonicotinoid field exposure on bumblebee microbiota remains unclear. In a landscape—scale study, Wintermantel et al. show that whilst exposure to clothianidin impacts Bombus terrestris performance, it does not affect levels of gut bacteria, viruses or intracellular parasites.
    Schlagwörter Science ; Q
    Sprache Englisch
    Erscheinungsdatum 2018-12-01T00:00:00Z
    Verlag Nature Portfolio
    Dokumenttyp Artikel ; Online
    Datenquelle BASE - Bielefeld Academic Search Engine (Lebenswissenschaftliche Auswahl)

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  9. Artikel: Ecosystem services across the aquatic–terrestrial boundary: Linking ponds to pollination

    Stewart, Rebecca I.A / Björn K. Klatt / Christer Brönmark / Georg K.S. Andersson / Henrik G. Smith / Lars-Anders Hansson / Valentina Zülsdorff

    Gesellschaft für Ökologie Basic and applied ecology. 2017 Feb., v. 18

    2017  

    Abstract: Many small farmland ponds are built for nutrient retention, the conservation of biodiversity or both, yet they are relatively neglected habitats. For example, little is known about the potential for ponds to influence populations of beneficial ... ...

    Abstract Many small farmland ponds are built for nutrient retention, the conservation of biodiversity or both, yet they are relatively neglected habitats. For example, little is known about the potential for ponds to influence populations of beneficial terrestrial insects, deliver ecosystem services across the aquatic–terrestrial boundary and affect crop yield in insect-pollinated cash crops.We assessed whether the presence of a pond affects the abundance of pollinators and the quality and quantity of strawberry yield. We compared the abundance of pollinators and the quality and quantity of strawberries between habitats adjacent to the pond, semi-natural terrestrial habitat and field border without semi-natural vegetation (control habitat).We found significantly higher abundances of syrphids and bees next to ponds compared to control habitats. Also, syrphids were significantly more abundant at pond habitats compared to vegetation habitats and a similar tendency, although not significant, was found for the abundance of bees. The quantity and quality of strawberries was significantly higher near the vegetation and pond habitats compared to the control habitats.Our result supports the theory that the presence of semi-natural habitats, in the agricultural landscape benefits both public interest in biodiversity conservation and farmers’ interest in crop pollination. These benefits may also come from ponds as semi natural habitats. However, further studies are required to disentangle the effect of the pond per se and the effect of the associated terrestrial vegetation.
    Schlagwörter agricultural land ; Apoidea ; biodiversity ; crop yield ; ecosystem services ; farmers ; habitats ; insects ; nutrient retention ; pollination ; pollinators ; ponds ; strawberries ; vegetation
    Sprache Englisch
    Erscheinungsverlauf 2017-02
    Umfang p. 13-20.
    Erscheinungsort Elsevier GmbH
    Dokumenttyp Artikel
    ZDB-ID 2026806-3
    ISSN 1439-1791
    ISSN 1439-1791
    DOI 10.1016/j.baae.2016.09.006
    Datenquelle NAL Katalog (AGRICOLA)

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  10. Artikel: Sown flower strips in southern Sweden increase abundances of wild bees and hoverflies in the wider landscape

    Jönsson, Annelie M / Johan Ekroos / Juliana Dänhardt / Georg K.S. Andersson / Ola Olsson / Henrik G. Smith

    Biological conservation. 2015 Apr., v. 184

    2015  

    Abstract: Pollinator populations have suffered severe declines in many industrialised countries due to reduced floral and nesting resources, brought on by agricultural intensification. One potential method of mitigating these effects is creating flower strips. ... ...

    Abstract Pollinator populations have suffered severe declines in many industrialised countries due to reduced floral and nesting resources, brought on by agricultural intensification. One potential method of mitigating these effects is creating flower strips. Most previous studies have shown higher pollinator abundances in flower strips, but none have been able to demonstrate increased pollinator abundances at larger spatial scales, in the surrounding agricultural landscapes. We assessed local and landscape-wide effects of flower strips on pollinator abundances, using 18 carefully selected study landscapes in southern Sweden, distributed along independent gradients of landscape heterogeneity and farming intensity. We found that flower strips were more attractive than field borders in general to bumblebees, whereas hoverflies were only attracted to flower strips from nearby field borders. Solitary bees declined with increasing distance from flower strips, but only in complex landscapes. As one of the first studies investigating effects of flower strips on pollinators across the wider landscape, we found increased abundance of bumblebees, but not solitary bees, in field borders outside the flower strips in floristically enhanced landscapes as compared with control landscapes. However, we found that higher quality and/or larger total area of flower strips within a farm was important for both bumblebees and solitary bees. Hoverfly abundance was enhanced on farms with flower strips in simple landscapes. Our results demonstrate that flower strips with rewarding plants do not only attract pollinators locally, but in addition have the potential to increase pollinator abundances across entire landscapes, and particularly in landscapes dominated by farmland.
    Schlagwörter Bombus ; Syrphidae ; agricultural land ; farms ; flowers ; industrialization ; intensive farming ; landscapes ; natural resources conservation ; nesting ; pollinators ; solitary bees ; Sweden
    Sprache Englisch
    Erscheinungsverlauf 2015-04
    Umfang p. 51-58.
    Erscheinungsort Elsevier Ltd
    Dokumenttyp Artikel
    ISSN 0006-3207
    DOI 10.1016/j.biocon.2014.12.027
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