An Opto-Electronic Sensor for Detecting Soil Microarthropods and Estimating Their Size in Field Conditions
AbstractMethods to estimate density of soil-dwelling arthropods efficiently, accurately and continuously are critical for investigating soil biological activity and evaluating soil management practices. Soil-dwelling arthropods are currently monitored manually. This method is invasive, and time- and labor-consuming. Here we describe an infrared opto-electronic sensor for detection of soil microarthropods in the size range of 0.4–10 mm. The sensor is built in a novel microarthropod trap designed for field conditions. It allows automated, on-line, in situ detection and body length estimation of soil microarthropods. In the opto-electronic sensor the light source is an infrared LED. Two plano-convex optical lenses are placed along the virtual optical axis. One lens on the receiver side is placed between the observation space at 0.5–1 times its focal length from the sensor, and another emitter side lens is placed between the observation space and the light source in the same way. This paper describes the setup and operating mechanism of the sensor and the control unit, and through basic tests it demonstrates its potential in automated detection of soil microarthropods. The sensor may be used for monitoring activities, especially for remote observation activities in soil and insect ecology or pest control. View Full-Text
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Gedeon, C.I.; Flórián, N.; Liszli, P.; Hambek-Oláh, B.; Bánszegi, O.; Schellenberger, J.; Dombos, M. An Opto-Electronic Sensor for Detecting Soil Microarthropods and Estimating Their Size in Field Conditions. Sensors 2017, 17, 1757.
Gedeon CI, Flórián N, Liszli P, Hambek-Oláh B, Bánszegi O, Schellenberger J, Dombos M. An Opto-Electronic Sensor for Detecting Soil Microarthropods and Estimating Their Size in Field Conditions. Sensors. 2017; 17(8):1757.Chicago/Turabian Style
Gedeon, Csongor I.; Flórián, Norbert; Liszli, Péter; Hambek-Oláh, Beáta; Bánszegi, Oxána; Schellenberger, Judit; Dombos, Miklós. 2017. "An Opto-Electronic Sensor for Detecting Soil Microarthropods and Estimating Their Size in Field Conditions." Sensors 17, no. 8: 1757.
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