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  • 1.
    Sattler, Cornelia
    et al.
    UFZ Helmholtz Ctr Environm Res, Germany.
    Schrader, Julian
    Univ Göttingen, Germany.
    Farkas, Viktor Matyas
    Christian A Ibrechts Univ, Germany.
    Settele, Josef
    UFZ Helmholtz Ctr Environm Res, Germany;German Ctr Integrat Biodivers Res Halle Jena, Germany.
    Franzén, Markus
    Linnaeus University, Faculty of Health and Life Sciences, Department of Biology and Environmental Science. UFZ Helmholtz Ctr Environm Res, Germany.
    Pesticide diversity in rice growing areas of Northern Vietnam2018In: Paddy and Water Environment, ISSN 1611-2490, E-ISSN 1611-2504, Vol. 16, no 2, p. 339-352Article in journal (Refereed)
    Abstract [en]

    Pesticide use in developing countries increases rapidly. In many regions, we miss knowledge of how frequently pesticides are applied and which active ingredients are used. We present a new cost-efficient and rapid assessment method of recording pesticides diversity in rice-dominated landscapes and present some evidence of the misuse of active ingredients in our study regions. We investigated 17 rice fields in two regions of Northern Vietnam in 2014 and 2015. At each region, we explore the abundance of pesticides used with three methods including (1) the novel approach of collecting pesticide packages close to our target rice fields, (2) observations of farmers spraying pesticides in the surrounding and (3) interviewing local farmers. By collecting pesticide packages, we found 811 packages containing 74 different active ingredients. On average, 19 active ingredients (ranging from four to 40 active ingredients) were applied with an average content of 275.3 g of active ingredients per site. Insecticide packages (39%) were most abundant followed by those of fungicides (31%), herbicides (16%) and other active ingredients (14%). On all sites, active ingredients banned in the European Union were applied by the farmers. Collecting pesticide packages proved to be an efficient and rapidly implemented method to obtain some baseline information about pesticide application (for Northern Vietnam). We suspect that improved agricultural extension services could contribute to good agricultural practices in pest management. Generally, better information and education for local farmers for appropriate use of pesticides seem a necessity.

  • 2.
    Schrader, Julian
    et al.
    University of Goettingen, Germany.
    Franzén, Markus
    Linnaeus University, Faculty of Health and Life Sciences, Department of Biology and Environmental Science. UFZ-Helmholtz-Centre for Environmental Research, Germany.
    Sattler, Cornelia
    UFZ-Helmholtz-Centre for Environmental Research, Germany.
    Ferderer, Paul
    University of Osnabrueck, Germany.
    Wetsphal, Catrin
    University of Goettingen, Germany.
    Woody habitats promote pollinators and complexity of plant–pollinator interactions in homegardens located in rice terraces of the Philippine Cordilleras2018In: Paddy and Water Environment, ISSN 1611-2490, E-ISSN 1611-2504, Vol. 16, no 2, p. 253-263Article in journal (Refereed)
    Abstract [en]

    Bees are important pollinators of wild plants and crops, but little is known about bee habitat requirements and pollinator management in tropical mountainous agricultural regions. Here, smallholder farmers produce fruits and vegetables in homegardens that depend upon or benefit from bee pollination. We hypothesized that abundance and richness of wild and domesticated bees and the complexity of plant–pollinator interactions are higher in homegardens surrounded by woody habitats than in homegardens found farther from woodlands. Bees were sampled in 20 homegardens in the rice terraces of the Philippine Cordilleras. We used linear mixed effect models to analyse effects of woody habitats around homegardens on bee richness and abundance. Based on pooled observations for each garden category, we built pollinator–plant interactions networks to illustrate shifts in interaction frequencies. We recorded 354 bee individuals of 13 wild and one domesticated bee species (Apis cerana). Wild bee richness was significantly higher in homegardens surrounded by woody habitats. Bee abundance increased significantly with increasing flower cover. Wild bees visited cultivated plants significantly more often than domesticated bees. Six vegetable species and 76% of all flower visits on cultivated plants in total were performed by wild bees and three plant species and 24% by domesticated bees. Pollinator–plant networks were more complex in homegardens surrounded by woody habitats. We conclude that woody habitats increase abundance and richness of wild and domesticated bees. Increasing availability of floral resources also promotes bee abundance. In order to promote pollination services in the landscape mosaic of smallholder rice farms, woody habitats and forest fragments together with numerous floral resources should be protected and restored.

  • 3.
    Settele, Josef
    et al.
    UFZ Helmholtz Ctr Environm Res, Germany;Univ Philippines, Philippines.;German Ctr Integrat Biodivers Res iDiv, Germany.
    Heong, Kong Luen
    Zhejiang Univ, Peoples Republic of China.
    Kuehn, Ingolf
    UFZ Helmholtz Ctr Environm Res, Germany;German Ctr Integrat Biodivers Res iDiv, Germany;Martin Luther Univ Halle Wittenberg, Germany.
    Klotz, Stefan
    UFZ Helmholtz Ctr Environm Res, Germany;German Ctr Integrat Biodivers Res iDiv, Germany.
    Spangenberg, Joachim H.
    UFZ Helmholtz Ctr Environm Res, Germany;Sustainable Europe Res Inst SERI Germany EV, Germany.
    Arida, Gertrudo
    Philippine Rice Res Inst, Philippines.
    Beaurepaire, Alexis
    Martin Luther Univ Halle Wittenberg, Germany.
    Beck, Silke
    UFZ Helmholtz Ctr Environm Res, Germany.
    Bergmeier, Erwin
    Georg August Univ Göttingen, Germany.
    Burkhard, Benjamin
    Univ Kiel, Germany;Leibniz Univ Hannover, Germany;Leibniz Ctr Agr Landscape Res ZALF, Germany.
    Brandl, Roland
    Philipps Univ Marburg, Germany.
    Bustamante, Jesus Victor
    LEGATO Off, Philippines.
    Butler, Adam
    Biomath & Stat Scotland, UK.
    Cabbigat, Jimmy
    LEGATO Off, Philippines.
    Le, Xuan Canh
    Catindig, Josie Lynn A.
    IRRI, Philippines.
    Ho, Van Chien
    Le, Quoc Cuong
    Dang, Kinh Bac
    Escalada, Monina
    Visayas State Univ, Philippines.
    Dominik, Christophe
    UFZ Helmholtz Ctr Environm Res, Germany.
    Franzén, Markus
    Linnaeus University, Faculty of Health and Life Sciences, Department of Biology and Environmental Science. UFZ Helmholtz Ctr Environm Res, Germany.
    Fried, Oliver
    Georg August Univ Göttingen, Germany.
    Goerg, Christoph
    Univ Nat Resources & Life Sci Vienna, Austria.
    Grescho, Volker
    UFZ Helmholtz Ctr Environm Res, Germany;German Ctr Integrat Biodivers Res iDiv, Germany;OLANIS GmbH, Germany.
    Grossmann, Sabine
    UFZ Helmholtz Ctr Environm Res, Germany.
    Gurr, Geoff M.
    Fujian Agr & Forestry Univ, Peoples Republic of China;Charles Sturt Univ, Australia.
    Hadi, Buyung A. R.
    IRRI, Philippines.
    Le, Huu Hai
    Harpke, Alexander
    UFZ Helmholtz Ctr Environm Res, Germany.
    Hass, Annika L.
    Univ Göttingen, Germany.
    Hirneisen, Norbert
    Sci & Commun, Germany.
    Horgan, Finbarr G.
    Univ Technol Sydney, Australia;Trop Ecosyst Res Network, Sri Lanka.
    Hotes, Stefan
    Univ Philippines, Philippines;Philipps Univ Marburg, Germany.
    Isoda, Yuzuru
    Tohoku Univ, Japan.
    Jahn, Reinhold
    Martin Luther Univ Halle Wittenberg, Germany.
    Kettle, Helen
    Biomath & Stat Scotland, UK.
    Klotzbuecher, Anika
    UFZ Helmholtz Ctr Environm Res, Germany;Martin Luther Univ Halle Wittenberg, Germany.
    Klotzbuecher, Thimo
    Martin Luther Univ Halle Wittenberg, Germany.
    Langerwisch, Fanny
    Potsdam Inst Climate Impact Res PIK, Germany.
    Loke, Wai-Hong
    CABI Southeast & East Asia, Malaysia.
    Lin, Yu-Pin
    Natl Taiwan Univ, Taiwan.
    Lu, Zhongxian
    Zhejiang Acad Agr Sci, Peoples Republic of China.
    Lum, Keng-Yeang
    CABI Southeast & East Asia, Malaysia.
    Magcale-Macandog, Damasa B.
    Marion, Glenn
    Biomath & Stat Scotland, UK.
    Marquez, Leonardo
    Philippine Rice Res Inst, Philippines.
    Mueller, Felix
    Univ Kiel, Germany.
    Nguyen, Hung Manh
    Nguyen, Quynh Anh
    Nguyen, Van Sinh
    Ott, Juergen
    UFZ Helmholtz Ctr Environm Res, Germany;LUPO GmbH, Germany.
    Penev, Lyubomir
    Pensoft Publishers Ltd, Bulgaria;Bulgarian Acad Sci, Bulgaria.
    Pham, Hong Thai
    Radermacher, Nico
    Georg August Univ Göttingen, Germany.
    Rodriguez-Labajos, Beatriz
    Univ Autonoma Barcelona, Spain.
    Sann, Christina
    Georg August Univ Göttingen, Germany.
    Sattler, Cornelia
    UFZ Helmholtz Ctr Environm Res, Germany.
    Schaedler, Martin
    UFZ Helmholtz Ctr Environm Res, Germany;German Ctr Integrat Biodivers Res iDiv, Germany.
    Scheu, Stefan
    Georg August Univ Göttingen, Germany.
    Schmidt, Anja
    UFZ Helmholtz Ctr Environm Res, Germany.
    Schrader, Julian
    Univ Göttingen, Germany.
    Schweiger, Oliver
    UFZ Helmholtz Ctr Environm Res, Germany.
    Seppelt, Ralf
    German Ctr Integrat Biodivers Res iDiv, Germany;UFZ Helmholtz Ctr Environm Res, Germany.
    Soitong, Kukiat
    Rice Dept, Thailand.
    Stoev, Pavel
    Pensoft Publishers Ltd, Bulgaria;Bulgarian Acad Sci, Bulgaria.
    Stoll-Kleemann, Susanne
    Ernst Moritz Arndt Univ Greifswald, Germany.
    Tekken, Vera
    Ernst Moritz Arndt Univ Greifswald, Germany;Leibniz Inst Agr Engn & Bioecon, Germany.
    Thonicke, Kirsten
    Potsdam Inst Climate Impact Res PIK, Germany.
    Tilliger, Bianca
    Univ Autonoma Barcelona, Spain.
    Tobias, Kai
    Tech Univ Kaiserslautern, Germany.
    Trisyono, Y. Andi
    Univ Gadjah Mada, Indonesia.
    Dao, Thanh Truong
    Tscharntke, Teja
    Univ Göttingen, Germany.
    Le, Quang Tuan
    Tuerke, Manfred
    German Ctr Integrat Biodivers Res iDiv, Germany;Tech Univ Munich, Germany;Univ Leipzig, Germany.
    Vaclavik, Tomas
    UFZ Helmholtz Ctr Environm Res, Germany;Palacky Univ Olomouc, Czech Republic.
    Vetterlein, Doris
    UFZ Helmholtz Ctr Environm Res, Germany;Martin Luther Univ Halle Wittenberg, Germany.
    Villareal, Sylvia 'Bong'
    Vu, Kim Chi
    Vu, Quynh
    Weisser, Wolfgang W.
    Tech Univ Munich, Germany.
    Westphal, Catrin
    Univ Göttingen, Germany.
    Zhu, Zengrong
    Zhejiang Univ, Peoples Republic of China.
    Wiemers, Martin
    UFZ Helmholtz Ctr Environm Res, Germany.
    Rice ecosystem services in South-east Asia2018In: Paddy and Water Environment, ISSN 1611-2490, E-ISSN 1611-2504, Vol. 16, no 2, p. 211-224Article in journal (Other academic)
1 - 3 of 3
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