NF-13-06L1 Mapping Essential Fish Habitat in the Southeast US (EK60). Unknown

Cruise NF-12-04-SERA (Sanctuary Regional Development and Assessment) (EK60). 1)Ship based mapping and characterization of benthic habitats in the waters around Gray’s Reef National Marine Sanctuary. Collected data will need to include backscatter.2)Continuation of invertebrate recruitment investigation in Gray’s Reef. This project will include diving to assess the colonization and succession of invertebrates to a natural substrate. 3)Continue investigations to quantify variation in space and time of the abundance ofschooling prey and mid-water predators at mid-shelf reefs: this involves conducting survey lines using the EK-60 survey system. 4)Continue collecting data on the abundance,diversity and distribution of both fishes and invertebrates both in side and outside the proposed Research Area in Gray’s Reef.This will require divers to conduct visual fis hcensuses along transects and take pictures of quadrats to assess invertebrate fauna. 5)Gray’s Reef would like to explore the possibility of conducting night dives aboard its own diving vessels provided that this does not present theNancy Fostercrew with unduestaffing/overtime issues and would be worked out in advance of conducting operations.

NF-14-03 Gray's Reef National Marine Sanctuary Southeast Regional Ecosystem (EK60)

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Cruise NF-12-05-SBNMS (Stellwagen Bank National Marine Sanctuary) (EK60). The project will place synchronous motion, acoustic recording tags on humpback and fin whales, while concurrently measuring prey field size, shape and composition. The goal is to understand water column use by endangered whales and how prey patch characteristics influence whale behavior as a way to recommend mitigation measures related to collisions between endangere d whales and commercial ships and/or fishing gear. Additionally, whale acoustic data collected will allow us to evaluate the efficacy of passive acoustic monitoring for these species by age and reproductive class.

NF-12-02-CSC BEAMS program (EK60). The primary scientific goal of the cruise is to continue to gather multibeam sonar data along the continental shelf edge off South Carolina in the vicinity of Habitat Areas of Particular Concern and Marine Protected Areas. This work contributes to the characterization of the extent, range and variety of seafloor/benthic habitats along the continental shelf-edge. .

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The objectives of this project are to 1) collect high resolution multibeam and fisheries acoustic data in depths approximately 10 to 1000 meters so as to continue to characterize seafloor habitats and fish biomass hotpots in priority areas in the SE US Atlantic Waters (Outer Continental Shelf) including hardbottom seafloor habitats, sand shoals and ridges, and Ocean Dredge Material Disposal Sites (ODMDS, US Environmental Protection Agency), 2) validate seafloor habitat types using drop cameras from small boats, and 3) conduct ecological assessments of ODMDS and adjacent hardbottom habitats to determine habitat value. In addition, this project will include piggy-back objective: 1) evaluate a new unmanned surface vehicle (USV) for use in extending capabilities for seafloor mapping by NOAA survey, researchers and partners.