Glider-Based Estimates of Meso-Zooplankton Biomass Density: a Fisheries Case Study on Antarctic Krill (Euphausia superba) around the Northern Antarctic Peninsula.
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Reiss, Christian S.
Cossio, Anthony M.
Cutter, George R.
Watters, George M.
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We compare estimates of krill density derived from gliders to those from contemporaneous and previous ship-based surveys. Our comparisons cover several temporal and spatial scales within two strata around the northern Antarctic Peninsula (off Cape Shirreff on the north side of Livingston Island and in the Bransfield Strait). Our objective is to explore the feasibility of using gliders to supplement or replace vessel-based surveys of fishery resources. We deployed two long-duration Slocum G3 gliders manufactured by Teledyne Webb Research (TWR), each equipped with a suite of oceanographic sensors and a three-frequency (38, 67.5, and 125 kHz, each single-beam) Acoustic Zooplankton Fish Profiler. We used the acoustic data collected by these gliders to estimate biomass densities (g⋅m–2) of Antarctic krill (Euphausia superba). The two gliders were, respectively, deployed for 82 and 88 days from mid-December 2018 through mid-March 2019. Off Cape Shirreff, glider-based densities estimated from.....
JournalFrontiers in Marine Science
Sustainable Development Goals (SDG)14.A
Essential Ocean Variables (EOV)Zooplankton biomass and diversity
Maturity LevelTRL 9 Actual system "mission proven" through successful mission operations (ground or space)
Best Practice TypeManual (incl. handbook, guide, cookbook etc)
Standard Operating Procedure
Spatial CoverageAntarctic Peninsula
CitationReiss, C.S., Cossio, A.M., Walsh, J., Cutter, G.R. and Watters, G.M. (2021) Glider-Based Estimates of Meso-Zooplankton Biomass Density: A Fisheries Case Study on Antarctic Krill (Euphausia superba) around the Northern Antarctic Peninsula. Frontiers in Marine Science, 8:604043, 18pp. DOI: 10.3389/fmars.2021.604043
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