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Knauer A, Naef C, Albrecht M. Pesticide hazard, floral resource availability and natural enemies interactively drive the fitness of bee species depending on their crop fidelity. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 922:171058. [PMID: 38378056 DOI: 10.1016/j.scitotenv.2024.171058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 12/20/2023] [Accepted: 02/15/2024] [Indexed: 02/22/2024]
Affiliation(s)
- Anina Knauer
- Agroecology and Environment, Agroscope, Zürich, Switzerland.
| | - Carmen Naef
- Agroecology and Environment, Agroscope, Zürich, Switzerland
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Misiewicz A, Mikołajczyk Ł, Bednarska AJ. Floral resources,energetic value and pesticide residues in provisions collected by Osmia bicornis along a gradient of oilseed rape coverage. Sci Rep 2023; 13:13372. [PMID: 37591888 PMCID: PMC10435552 DOI: 10.1038/s41598-023-39950-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Accepted: 08/02/2023] [Indexed: 08/19/2023] Open
Abstract
Pollinators in agricultural landscapes are facing global decline and the main pressures include food scarcity and pesticide usage. Intensive agricultural landscapes may provide important food resources for wild pollinators via mass flowering crops. However, these are monofloral, short-term, and may contain pesticide residues. We explored how the landscape composition with a different proportion of oilseed rape (6-65%) around Osmia bicornis nests affects floral diversity, contamination with pesticides, and energetic value of provisions collected by this species of wild bees as food for their offspring. Altogether, the bees collected pollen from 28 plant taxa (6-15 per nest) and provisions were dominated by Brassica napus (6.0-54.2%, median 44.4%, 12 nests), Quercus sp. (1.2-19.4%, median 5.2%, 12 nests), Ranunculus sp. (0.4-42.7%, median 4.7%, 12 nests), Poaceae (1.2-59.9%, median 5.8%, 11 nests) and Acer sp. (0.6-42%, median 18.0%, 8 nests). Residues of 12 pesticides were found in provisions, with acetamiprid, azoxystrobin, boscalid, and dimethoate being the most frequently detected at concentrations up to 1.2, 198.4, 16.9 and 17.8 ng/g (median 0.3, 10.6, 11.3, 4.4 ng/g), respectively. Floral diversity and energetic value of provisions, but not the Pesticide Risk Index depended on landscape structure. Moreover, pollen diversity decreased, and energetic value increased with landscape diversity. Thus, even a structurally simple landscape may provide diverse food for O. bicornis if the nest is located close to a single but resource-diverse patch. Both B. napus and non-crop pollen were correlated with pesticide concentrations.
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Affiliation(s)
- Anna Misiewicz
- Institute of Nature Conservation, Polish Academy of Sciences, A. Mickiewicza 33, 31-120, Kraków, Poland.
| | - Łukasz Mikołajczyk
- Institute of Nature Conservation, Polish Academy of Sciences, A. Mickiewicza 33, 31-120, Kraków, Poland
- Institute of Environmental Sciences, Jagiellonian University, Gronostajowa 7, 30-387, Kraków, Poland
| | - Agnieszka J Bednarska
- Institute of Nature Conservation, Polish Academy of Sciences, A. Mickiewicza 33, 31-120, Kraków, Poland
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Floral resource distribution and fitness consequences for two solitary bee species in agricultural landscapes. Basic Appl Ecol 2022. [DOI: 10.1016/j.baae.2022.09.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Bednarska AJ, Mikołajczyk Ł, Ziółkowska E, Kocjan K, Wnęk A, Mokkapati JS, Teper D, Kaczyński P, Łozowicka B, Śliwińska R, Laskowski R. Effects of agricultural landscape structure, insecticide residues, and pollen diversity on the life-history traits of the red mason bee Osmia bicornis. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 809:151142. [PMID: 34688758 DOI: 10.1016/j.scitotenv.2021.151142] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 10/02/2021] [Accepted: 10/18/2021] [Indexed: 06/13/2023]
Abstract
Agricultural landscapes have changed substantially in recent decades, shifting from the dominance of small fields (S) with diverse cropping systems toward large-scale monoculture (L), where landscape heterogeneity disappears. In this study, artificial nests of the red mason bee, Osmia bicornis, were placed in S and L landscape types on the perimeter of oilseed rape fields representing different oilseed rape coverages (ORC, % land cover). The local landscape structure around each nest was characterised within a 100, 200, 500, and 1000 m radius using ORC and 14 landscape characteristics, which were then reduced by non-metric multidimensional scaling (nMDS) to two axes: nMDS1 characterised the dataset primarily according to land fragmentation and the main crop, whereas nMDS2 captured the prevalence of more natural areas in the landscape. Pollen diversity and insecticide risk levels in the pollen provisions collected by the bees were analysed, and their dependence on the landscape structure was tested. Thereafter, the effects of pollen diversity, insecticide risk, and landscape structure on the life-history traits of bees and their sensitivity to topically applied Dursban 480 EC were determined. Pollen taxa richness in a single nest ranged from 3 to 12, and 34 pesticides were detected in the pollen at concentrations of up to 320 ng/g for desmedipham. The O. bicornis foraging range was relatively large, indicating that the landscape structure within a radius of ~1000 m around the nest is important for this species. Pollen diversity in the studied areas was of minor importance for bee performance, but the ORC or landscape structure significantly affected the life-history traits of the bees. Contamination of pollen with insecticides affected the bees by decreasing the mass of newly emerged adults but their sensitivity to Dursban 480 EC was not related to environmental variables.
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Affiliation(s)
- Agnieszka J Bednarska
- Institute of Nature Conservation, Polish Academy of Sciences, A. Mickiewicza 33, 31-120 Kraków, Poland.
| | - Łukasz Mikołajczyk
- Institute of Environmental Sciences, Jagiellonian University, Gronostajowa 7, 30-387 Kraków, Poland
| | - Elżbieta Ziółkowska
- Institute of Environmental Sciences, Jagiellonian University, Gronostajowa 7, 30-387 Kraków, Poland
| | - Karolina Kocjan
- Institute of Environmental Sciences, Jagiellonian University, Gronostajowa 7, 30-387 Kraków, Poland
| | - Agnieszka Wnęk
- Institute of Environmental Sciences, Jagiellonian University, Gronostajowa 7, 30-387 Kraków, Poland
| | - Jaya Sravanthi Mokkapati
- Institute of Environmental Sciences, Jagiellonian University, Gronostajowa 7, 30-387 Kraków, Poland
| | - Dariusz Teper
- Research Institute of Horticulture, Apiculture Division, Kazimierska 2, 24-100 Puławy, Poland
| | - Piotr Kaczyński
- Institute of Plant Protection, National Research Institute, Laboratory of Food and Feed Safety, Chełmońskiego 22, 15-195 Białystok, Poland
| | - Bożena Łozowicka
- Institute of Plant Protection, National Research Institute, Laboratory of Food and Feed Safety, Chełmońskiego 22, 15-195 Białystok, Poland
| | - Renata Śliwińska
- Institute of Environmental Sciences, Jagiellonian University, Gronostajowa 7, 30-387 Kraków, Poland
| | - Ryszard Laskowski
- Institute of Environmental Sciences, Jagiellonian University, Gronostajowa 7, 30-387 Kraków, Poland
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5
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Landscapes with high amounts of mass-flowering fruit crops reduce the reproduction of two solitary bees. Basic Appl Ecol 2021. [DOI: 10.1016/j.baae.2021.07.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Lajos K, Demeter I, Mák R, Balog A, Sárospataki M. Preliminary assessment of cavity-nesting Hymenopterans in a low-intensity agricultural landscape in Transylvania. Ecol Evol 2021; 11:11903-11914. [PMID: 34522349 PMCID: PMC8427617 DOI: 10.1002/ece3.7956] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 05/18/2021] [Accepted: 07/13/2021] [Indexed: 11/30/2022] Open
Abstract
In this study, our aim was to assess several traits of cavity-nesting Hymenopteran taxa in a low-intensity agricultural landscape in Transylvania. The study took place between May and August 2018 at eight study sites in the hilly mountainous central part of Romania, where the majority of the landscape is used for extensive farming or forestry. During the processing of the trap nest material, we recorded several traits regarding the nests of different cavity-nesting Hymenopteran taxa and the spider prey found inside the nests of the spider-hunting representatives of these taxa. We also evaluated the relationship between the edge density and proportion of low-intensity agricultural areas surrounding the study sites and some of these traits. The majority of nests were built by the solitary wasp genus Trypoxylon, followed by the solitary wasp taxa Dipogon and Eumeninae. Solitary bees were much less common, with Hylaeus being the most abundant genus. In the nests of Trypoxylon, we mostly found spider prey from the family of Araneidae, followed by specimens from the families of Linyphiidae and Theridiidae. In the nests of Dipogon, we predominantly encountered spider prey from the family of Thomisidae. We found significant effects of low-intensity agricultural areas for the genera of Auplopus, Megachile, Osmia, and the Thomisid prey of Dipogon. We also found that the spider prey of Trypoxylon was significantly more diverse at study sites with higher proportions of low-intensity agricultural areas. Our results indicate that solitary bees seem to be more abundant in areas, where the influence of human activities is stronger, while solitary wasps seem to rather avoid these areas. Therefore, we suggest that future studies not only should put more effort into sampling in low-intensity agricultural landscapes but also focus more on solitary wasp taxa, when sampling such an area.
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Affiliation(s)
- Károly Lajos
- Department of Zoology and EcologyHungarian University of Agriculture and Life SciencesGödöllőHungary
| | - Imre Demeter
- Department of Zoology and EcologyHungarian University of Agriculture and Life SciencesGödöllőHungary
| | - Róbert Mák
- Department of Zoology and EcologyHungarian University of Agriculture and Life SciencesGödöllőHungary
| | - Adalbert Balog
- Department of HorticultureFaculty of Technical and Human ScienceSapientia Hungarian University of TransylvaniaTirgu‐MuresRomania
| | - Miklós Sárospataki
- Department of Zoology and EcologyHungarian University of Agriculture and Life SciencesGödöllőHungary
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Pollination in Agroecosystems: A Review of the Conceptual Framework with a View to Sound Monitoring. LAND 2021. [DOI: 10.3390/land10050540] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
The pollination ecology in agroecosystems tackles a landscape in which plants and pollinators need to adjust, or be adjusted, to human intervention. A valid, widely applied approach is to regard pollination as a link between specific plants and their pollinators. However, recent evidence has added landscape features for a wider ecological perspective. Are we going in the right direction? Are existing methods providing pollinator monitoring tools suitable for understanding agroecosystems? In Italy, we needed to address these questions to respond to government pressure to implement pollinator monitoring in agroecosystems. We therefore surveyed the literature, grouped methods and findings, and evaluated approaches. We selected studies that may contain directions and tools directly linked to pollinators and agroecosystems. Our analysis revealed four main paths that must come together at some point: (i) the research question perspective, (ii) the advances of landscape analysis, (iii) the role of vegetation, and (iv) the gaps in our knowledge of pollinators taxonomy and behavior. An important conclusion is that the pollinator scale is alarmingly disregarded. Debate continues about what features to include in pollinator monitoring and the appropriate level of detail: we suggest that the pollinator scale should be the main driver.
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Thomson DM, Page ML. The importance of competition between insect pollinators in the Anthropocene. CURRENT OPINION IN INSECT SCIENCE 2020; 38:55-62. [PMID: 32145696 DOI: 10.1016/j.cois.2019.11.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 11/11/2019] [Accepted: 11/19/2019] [Indexed: 05/08/2023]
Abstract
Resource competition likely plays an important role in some insect pollinator declines and in shaping effects of environmental change on pollination services. Past research supports that competition for floral resources affects bee foragers, but mostly with observational evidence and rarely linking foraging with population change. An increasing number of studies ask whether resources limit pollinator populations, using field measurements of reproductive success, time series and models. Findings generally support positive effects of floral resources, but also highlight the potential importance of nest site availability and parasitism. In parallel, recent experiments strengthen evidence that competition reduces access to floral resources. Developing common currencies for quantifying floral resources and integrating analyses of multiple limiting factors will further strengthen our understanding of competitive interactions and their effects in the Anthropocene.
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Affiliation(s)
- Diane M Thomson
- W.M. Keck Science Department, The Claremont Colleges, 925 N. Mills Avenue, Claremont, CA 91711, United States.
| | - Maureen L Page
- Department of Entomology and Nematology, University of California, Davis, CA 95616, United States
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Łoś A, Skórka P, Strachecka A, Winiarczyk S, Adaszek Ł, Winiarczyk M, Wolski D. The associations among the breeding performance of Osmia bicornis L. (Hymenoptera: Megachilidae), burden of pathogens and nest parasites along urbanisation gradient. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 710:135520. [PMID: 31780170 DOI: 10.1016/j.scitotenv.2019.135520] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2019] [Revised: 11/11/2019] [Accepted: 11/12/2019] [Indexed: 06/10/2023]
Abstract
Urban environments may negatively affect the development of organisms. In host-pathogen/parasite systems, this impact may lead to increased manifestations of pathogens that decrease the success of their hosts in urban environments compared to rural ones. We tested this hypothesis in the solitary bee Osmia bicornis L. We estimated the development of bees, their reproductive success and the manifestation of different pathogens and nest parasites along an urbanisation gradient. We conducted the experiment in an urbanisation gradient in sites representing three environments: urban, suburban and rural. First, we analysed the manifestation of bacterial and fungal microorganisms in pollen loads, within dried/mummified individuals, on the surface of cocoons and on the surface of diapausing adult individuals by using the MALDI-TOF MS technique. We also verified genetic samples from diapausing individuals for the presence of the parasitic Nosema apis (Zandler, 1909) and N. ceranae (Fries et al., 1996) species. Finally, we assessed the level of reproductive success and manifestations of brood parasites. Not any biological material from the nests was infected by pathogenic microorganisms. This result indicates that the nests are not a reservoir of the pathogenic bacteria and that O. bicornis offspring are not a source or vectors of these pathogens to the surrounding environment and indirectly to other bee species. In urban sites, there was a lower number of parasites than in suburban and rural environments. The presence of parasites was negatively correlated with the reproductive success and may be a limiting factor for O. bicornis populations. We also found that urban sites had the highest indices of reproductive success and the lowest number of breeding failures compared to suburban and rural sites. Moreover, bacterial and fungal transmission is not a serious threat in the studied region.
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Affiliation(s)
- Aleksandra Łoś
- Institute of Nature Conservation, Polish Academy of Sciences, al. Mickiewicza 33, 31-120 Kraków, Poland.
| | - Piotr Skórka
- Institute of Nature Conservation, Polish Academy of Sciences, al. Mickiewicza 33, 31-120 Kraków, Poland.
| | - Aneta Strachecka
- Institute of Biological Basis of Animal Production, Faculty of Biology, Animal Sciences and Bioeconomy, University of Life Sciences in Lublin, ul. Akademicka 13, 20-950 Lublin, Poland.
| | - Stanisław Winiarczyk
- Department of Epizootiology and Clinic of Infectious Diseases, Faculty of Veterinary Medicine, University of Life Sciences in Lublin, ul. Głęboka 30, 20-612 Lublin, Poland.
| | - Łukasz Adaszek
- Department of Epizootiology and Clinic of Infectious Diseases, Faculty of Veterinary Medicine, University of Life Sciences in Lublin, ul. Głęboka 30, 20-612 Lublin, Poland
| | - Mateusz Winiarczyk
- Department of Vitreoretinal Surgery, Medical University of Lublin, ul. Chmielna 1, 20-079 Lublin, Poland.
| | - Dariusz Wolski
- Department of Animal Physiology, Faculty of Veterinary Medicine, University of Life Sciences, ul. Akademicka 12, 20-033 Lublin, Poland
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Uhl P, Brühl CA. The Impact of Pesticides on Flower-Visiting Insects: A Review with Regard to European Risk Assessment. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2019; 38:2355-2370. [PMID: 31408220 DOI: 10.1002/etc.4572] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Revised: 05/22/2019] [Accepted: 08/08/2019] [Indexed: 05/28/2023]
Abstract
Flower-visiting insects (FVIs) are an ecologically diverse group of mobile, flying species that should be protected from pesticide effects according to European policy. However, there is an ongoing decline of FVI species, partly caused by agricultural pesticide applications. Therefore, the risk assessment framework needs to be improved. We synthesized the peer-reviewed literature on FVI groups and their ecology, habitat, exposure to pesticides, and subsequent effects. The results show that FVIs are far more diverse than previously thought. Their habitat, the entire agricultural landscape, is potentially contaminated with pesticides through multiple pathways. Pesticide exposure of FVIs at environmentally realistic levels can cause population-relevant adverse effects. This knowledge was used to critically evaluate the European regulatory framework of exposure and effect assessment. The current risk assessment should be amended to incorporate specific ecological properties of FVIs, that is, traits. We present data-driven tools to improve future risk assessments by making use of trait information. There are major knowledge gaps concerning the general investigation of groups other than bees, the collection of comprehensive data on FVI groups and their ecology, linking habitat to FVI exposure, and study of previously neglected complex population effects. This is necessary to improve our understanding of FVIs and facilitate the development of a more protective FVI risk assessment. Environ Toxicol Chem 2019;38:2355-2370. © 2019 The Authors. Environmental Toxicology and Chemistry published by Wiley Periodicals, Inc. on behalf of SETAC.
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Affiliation(s)
- Philipp Uhl
- iES Landau, Institute for Environmental Sciences, University of Koblenz-Landau, Landau, Germany
| | - Carsten A Brühl
- iES Landau, Institute for Environmental Sciences, University of Koblenz-Landau, Landau, Germany
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Bertrand C, Eckerter PW, Ammann L, Entling MH, Gobet E, Herzog F, Mestre L, Tinner W, Albrecht M. Seasonal shifts and complementary use of pollen sources by two bees, a lacewing and a ladybeetle species in European agricultural landscapes. J Appl Ecol 2019. [DOI: 10.1111/1365-2664.13483] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Colette Bertrand
- Agroecology and Environment Agroscope Zürich Switzerland
- UMR 1402 ECOSYS INRA, AgroParisTech, Université Paris‐Saclay Versailles France
| | - Philipp W. Eckerter
- Institute for Environmental Sciences University of Koblenz‐Landau Landau (Pfalz) Germany
| | - Lolita Ammann
- Agroecology and Environment Agroscope Zürich Switzerland
| | - Martin H. Entling
- Institute for Environmental Sciences University of Koblenz‐Landau Landau (Pfalz) Germany
| | - Erika Gobet
- Institute of Plant Sciences and Oeschger Centre for Climate Change Research University of Bern Bern Switzerland
| | - Felix Herzog
- Agroecology and Environment Agroscope Zürich Switzerland
| | - Laia Mestre
- Institute for Environmental Sciences University of Koblenz‐Landau Landau (Pfalz) Germany
| | - Willy Tinner
- Institute of Plant Sciences and Oeschger Centre for Climate Change Research University of Bern Bern Switzerland
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Buhk C, Oppermann R, Schanowski A, Bleil R, Lüdemann J, Maus C. Flower strip networks offer promising long term effects on pollinator species richness in intensively cultivated agricultural areas. BMC Ecol 2018; 18:55. [PMID: 30514253 PMCID: PMC6280486 DOI: 10.1186/s12898-018-0210-z] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2018] [Accepted: 11/23/2018] [Indexed: 12/28/2022] Open
Abstract
Background Intensively cultivated agricultural landscapes often suffer from substantial pollinator losses, which may be leading to decreasing pollination services for crops and wild flowering plants. Conservation measures that are easy to implement and accepted by farmers are needed to halt a further loss of pollinators in large areas under intensive agricultural management. Here we report the results of a replicated long-term study involving networks of mostly perennial flower strips covering 10% of a conventionally managed agricultural landscape in southwestern Germany. Results We demonstrate the considerable success of these measures for wild bee and butterfly species richness over an observation period of 5 years. Overall species richness of bees and butterflies but also the numbers of specialist bee species clearly increased in the ecological enhancement areas as compared to the control areas without ecological enhancement measures. A three to five-fold increase in species richness was found after more than 2 years of enhancement of the areas with flower strips. Oligolectic bee species increased significantly only after the third year. Conclusions In our long-term field experiment we used a large variety of seed mixtures and temporal variation in seeding time, ensured continuity of the flower-strips by using perennial seed mixtures and distributed the measures over c. 10% of the landscape. This led to an increase in pollinator abundance, suggesting that these measures may be instrumental for the successful support of pollinators. These measures may ensure the availability of a network of diverse habitats and foraging resources for pollinators throughout the year, as well as nesting sites for many species. The measures are applied in-field and are suitable for application in areas under intensive agriculture. We propose that flower strip networks should be implemented much more in the upcoming CAP (common agricultural policy) reform in the European Union and promoted more by advisory services for farmers. Electronic supplementary material The online version of this article (10.1186/s12898-018-0210-z) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Constanze Buhk
- Institute of Agroecology and Biodiversity (IFAB), Böcklinstr. 27, 68163, Mannheim, Germany. .,Institute for Environmental Sciences, University Koblenz-Landau, 76829, Landau, Germany.
| | - Rainer Oppermann
- Institute of Agroecology and Biodiversity (IFAB), Böcklinstr. 27, 68163, Mannheim, Germany
| | - Arno Schanowski
- Institut für Landschaftsökologie und Naturschutz (ILN), Sandbachstr. 2, 77815, Bühl, Germany
| | - Richard Bleil
- Institute of Agroecology and Biodiversity (IFAB), Böcklinstr. 27, 68163, Mannheim, Germany
| | - Julian Lüdemann
- Institute of Agroecology and Biodiversity (IFAB), Böcklinstr. 27, 68163, Mannheim, Germany
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