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Biology

Utah State University

Utah Space Grant Consortium

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Full-Text Articles in Life Sciences

Characterization Of Halophyte Rhizosphere Microbiomes At Great Salt Lake, Utah, Haley K. Nate May 2021

Characterization Of Halophyte Rhizosphere Microbiomes At Great Salt Lake, Utah, Haley K. Nate

Utah Space Grant Consortium

The saline soils comprising the shoreline of Great Salt Lake, Utah (GSL) provide a unique habitat for both halophytes (salt-tolerant plants) and the microorganisms that inhabit their rhizosphere. While plant diversity has been well documented at GSL, little is known about the microbial diversity in the rhizosphere. Here we present preliminary data characterizing the halophyte rhizosphere microbiome at two GSL locations; the more saline North Arm near the artwork, Robert Smithson's Spiral Jetty (SJ), and the less saline South Arm on Antelope Island (Al). The rhizosphere of several plants along the shoreline at both SJ and Al locations was sampled. …


Identification Of Haloarchaea In Gypsum From Great Salt Lake, Zhantao Du May 2021

Identification Of Haloarchaea In Gypsum From Great Salt Lake, Zhantao Du

Utah Space Grant Consortium

Gypsum (CaSO4·2H2O) is a common precipitate at Great Salt Lake (GSL). On Earth, gypsum is formed in hypersaline environments, in minerals left behind when water evaporates. In the Autumn, as the water cools, mineral precipitation is favored since solubility is lowered. In this process, newly formed gypsum will trap microorganisms in fluid and clay inclusions. This study is to cultivate haloarchaea preserved in gypsum, and identify the species using PCR technique.


Connecting Land Cover To Benthic Cover Within The Watershed: Quantifying Impacts Of Terrigenous Sediment On Coral Reef Health And Morphology Using Remote Sensing And Machine Learning, L. Kalai Ellis May 2021

Connecting Land Cover To Benthic Cover Within The Watershed: Quantifying Impacts Of Terrigenous Sediment On Coral Reef Health And Morphology Using Remote Sensing And Machine Learning, L. Kalai Ellis

Utah Space Grant Consortium

Erosion, with associated sedimentation of reefs and loss of habitat for marine and coastal species, is one of the most pressing environmental challenges in Hawaii. Identifying hotspots of soil erosion guides management on land, but limited work has been done connecting land cover to coral reef health and morphology. Current reef survey methods overgeneralize the spatial variation of benthic cover and this has been reflected in incorrect Geographic Information System (GIS) layers of the reef. We propose a novel and more holistic approach to improve accuracy by connecting sedimentation from source to sink using Unmanned Aerial Vehicles (UAVs), Unmanned Surface …