USAP-DC

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Collaborative Research: Remote characterization of microbial mats in Taylor Valley, Antarctica through in situ sampling and spectral validation Short Title: Remote characterization of microbial mats in Taylor Valley Start Date: 2018-04-01 End Date: 2021-03-31 Project Website(s) Remote characterization of microbial mats in Taylor Valley, Antarctica through in situ sampling and spectral validation Description/Abstract This package contains data collected from microbial mat surveys (i.e., percent cover, ash-free dry mass (AFDM), and pigment concentrations – chlorophyll-a, scytonemin, and carotenoids) associated with satellite-derived Normalized Difference Vegetation Index (NDVI) values from the Lake Fryxell Basin of Taylor Valley, located in the McMurdo Dry Valleys of Antarctica. The purpose of this study was to quantitatively compare key microbial mat characteristics to NDVI. Data were collected at seven plot locations within the Canada Glacier Antarctic Specially Protected Area (ASPA) near Canada Stream, as well as alongside Green Creek and McKnight Creek. NDVI values were derived from a WorldView-2 multispectral satellite image taken of the Lake Fryxell Basin on January 19, 2018, while biological ground surveying and sampling were conducted during the 2nd and 4th weeks of January 2018. Personnel Person Role Barrett, John Investigator and contact Power, Sarah Other Salvatore, Mark Investigator Funding Antarctic Organisms and Ecosystems Award # 1744785 AMD - DIF Record(s) USAP-1744785_1 Deployment Deployment Type John E. Barrett field camp Sarah Power field camp Data Management Plan None in the Database Product Level: 0 (raw data) Datasets Repository Title (link) Format(s) Status EDI McMurdo Dry Valleys LTER: Microbial mat biomass and Normalized Difference Vegetation Index (NDVI) values from Lake Fryxell Basin, Antarctica CSV exists Publications Sokol, E. R., Barrett, J. E., Kohler, T. J., McKnight, D. M., Salvatore, M. R., & Stanish, L. F. (2020). Evaluating Alternative Metacommunity Hypotheses for Diatoms in the McMurdo Dry Valleys Using Simulations and Remote Sensing Data. Frontiers in Ecology and Evolution, 8. (doi:10.3389/fevo.2020.521668) Salvatore, M. R., S. R.Borges, J. E. Barrett, S. N. Power, L. F. Stanish, and E. R. Sokol. 2021. Counting carbon: Quantifying biomass in the McMurdo Dry Valleys through orbital and field observations. International Journal of Remote Sensing 42:22, 8597-8623. (DOI: 10.1080/01431161.2021.1981559) Keywords Amd/Us ECOSYSTEM FUNCTIONS Taylor Valley Platforms and Instruments FIELD SURVEYS