Articles with "dry valleys" as a keyword



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Detection and community-level identification of microbial mats in the McMurdo Dry Valleys using drone-based hyperspectral reflectance imaging

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Published in 2020 at "Antarctic Science"

DOI: 10.1017/s0954102020000243

Abstract: Abstract The reflectance spectroscopic characteristics of cyanobacteria-dominated microbial mats in the McMurdo Dry Valleys (MDVs) were measured using a hyperspectral point spectrometer aboard an unmanned aerial system (remotely piloted aircraft system, unmanned aerial vehicle or… read more here.

Keywords: dry valleys; mcmurdo dry; microbial mats; drone ... See more keywords
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Biotic interactions are an unexpected yet critical control on the complexity of an abiotically driven polar ecosystem

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Published in 2019 at "Communications Biology"

DOI: 10.1038/s42003-018-0274-5

Abstract: Abiotic and biotic factors control ecosystem biodiversity, but their relative contributions remain unclear. The ultraoligotrophic ecosystem of the Antarctic Dry Valleys, a simple yet highly heterogeneous ecosystem, is a natural laboratory well-suited for resolving the… read more here.

Keywords: complexity; biotic interactions; unexpected yet; dry valleys ... See more keywords
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The distribution and relative ecological roles of autotrophic and heterotrophic diazotrophs in the McMurdo Dry Valleys, Antarctica

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Published in 2020 at "FEMS Microbiology Ecology"

DOI: 10.1093/femsec/fiaa010

Abstract: ABSTRACT The McMurdo Dry Valleys (MDV) in Antarctica harbor a diverse assemblage of mat-forming diazotrophic cyanobacteria that play a key role in nitrogen cycling. Prior research showed that heterotrophic diazotrophs also make a substantial contribution… read more here.

Keywords: autotrophic heterotrophic; heterotrophic diazotrophs; dry valleys; mcmurdo dry ... See more keywords