Graduate Thesis Or Dissertation
 

Design of an automated system for imaging and sorting soil mesofauna

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https://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/73666677s

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  • Identification and population counts of soil mesofauna can be an important tool for soil ecologists to determine the soil biodiversity. Information provided from population counts can give insight to soil ecologists about the effects of human land use, monitoring soil and water health, benefits of soil biodiversity in agriculture, and the impact of global climate change. The process of performing population counts, which includes classifying and sorting specimens, is very time consuming because of the large diversity and quantities of specimens in soil samples. A mechanical system was designed and developed to automate this process. The system features automated imaging, a pair of linear stages for automated positioning, and a six-axis robot with a pipette end effector for sorting. Images acquired with the system will be used by pattern recognition software to classify specimens from a soil sample. The final system was successful in creating high quality images of 19 species of soil mesofauna and sorting them.
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