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Diurnal activity of soil-surface arthropods in agroecosystems: Design for an inexpensive time-sorting pitfall trap
Institution:1. Office of Agriculture, Bureau for Science and Technology, Agency for International Development, Washington, DC 20523, U.S.A.;2. Department of Entomology and Institute of Ecology, University of Georgia, Athens, GA 30602, U.S.A.;1. Department of Decision Science for Sustainable Society, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan;2. CTI Engineering Co., Ltd., 2-4-12, Daimyo, Chuo-ku, Fukuoka, 810-0041, Japan;3. Goto City Government,1-1, Fukue, Goto City, Nagasaki, 853-0007, Japan;1. The Key Laboratory of Bionic Engineering (Ministry of Education of China), Jilin University, Changchun 130025, China;2. The College of Biological and Agricultural Engineering, Jilin University, Changchun 130025, China;3. The School of Engineering, Huzhou University, Huzhou 313000, China;4. The College of Engineering Technique, Jilin Agriculture University, Changchun 130118, China;1. Laboratorio de Entomología Aplicada, Departamento de Zoología, Facultad de Ciencias Naturales y Oceanográficas, Universidad de Concepción, Barrio Universitario s/n, Casilla 160-C Concepción, Chile;2. Núcleo Milenio INVASAL, Concepción, Chile;3. Laboratorio de Entomología, Departamento de Producción Vegetal, Facultad de Agronomía, Universidad de Concepción, Av. Vicente Méndez 595, Casilla 537 Chillán, Chile;4. Laboratoire de Lutte Biologique, Département des Sciences Biologiques, Université du Québec à Montréal, 141 Avenue du Président-Kennedy, Montréal, QC H2X 1Y4, Canada;1. Plant Protection Institute, Centre for Agricultural Research, Hungarian Academy of Sciences, 15 Herman Ottó Str., Budapest, H-1022, Hungary;2. Institute of Ecology and Botany, Centre for Ecological Research, Hungarian Academy of Sciences, 2-4 Alkotmány Str., Vácrátót, H-2163, Hungary;1. A.N. Severtsov Institute of Ecology and Evolution, Leninsky prospekt 33, Moscow, 119071, Russia;2. Joint Russian-Vietnamese Tropical Center, Street 3 Thang 2, Q10, Ho Chi Minh City, Vietnam
Abstract:The design for an inexpensive time-sorting pitfall trap is presented. The basis of the mechanism is a rotary stepping solenoid powered by lantern batteries. Traps were utilized to sample soil-surface arthropods at 2-h intervals for five 24-h periods in 1983. One trap was placed in a conventional tillage (CT) agroecosystem and one in a no-tillage (NT) agroecosystem. Soil arthropod surface activity was greatest in CT on 19 July during the dawn and dusk periods and during dusk on 27 June.
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