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Full-Text Articles in Physical Sciences and Mathematics

Moses Lake Algae Monitoring Project 2018 Final Report, Robin A. Matthews, Joan Pickens, Eric J. Lawrence Jan 2019

Moses Lake Algae Monitoring Project 2018 Final Report, Robin A. Matthews, Joan Pickens, Eric J. Lawrence

Moses Lake

Moses Lake is a shallow, hypereutrophic lake in Grant County, Washington (Carroll and Cusimano, 2001), with a surface area of 6,800 acres (27.5 km2 ), total volume of 130,000 acre-ft (160.4 × 106 m3), average depth of 19 ft. (5.8 m), and maximum depth of 38 ft. (11.6 m; Dion, et al., 1976). The lake is situated adjacent to the city of Moses Lake and drains into Crab Creek, a tributary of Columbia River. The lake is a popular recreational destination for fishing, boating, swimming, and camping.

Moses Lake develops nuisance blooms of cyanobacteria during the summer and fall. The …


Using Bayesian Networks To Predict Risk To Estuary Water Quality And Patterns Of Benthic Environmental Dna In Queensland, Scarlett E. Graham, Anthony A. Chariton, Wayne G. Landis Jan 2019

Using Bayesian Networks To Predict Risk To Estuary Water Quality And Patterns Of Benthic Environmental Dna In Queensland, Scarlett E. Graham, Anthony A. Chariton, Wayne G. Landis

Institute of Environmental Toxicology & Chemistry Publications

Predictive modeling can inform natural resource management by representing stressor-response pathways in a logical way and quantifying the effects on selected endpoints. This study demonstrates a risk assessment model using the Bayesian network-relative risk model (BNRRM) approach to predict water quality and; for the first time, eukaryote environmental DNA (eDNA) data as a measure of benthic community structure. Environmental DNA sampling is a technique for biodiversity measurements that involves extracting DNA from environmental samples, amplicon sequencing a targeted gene, in this case the 18s rDNA gene which targets eukaryotes, and matching the sequences to organisms. Using a network of probability …