Studies are being conducted for transect surveys and mark-recapture to assess long term relative abundance

The Marine Mammal and Sea Turtle Survey, conducted by the Conservation Ecology Branch at the Northeast Fisheries Science Center, develops abundance and distribution models that incorporate environmental factors to better understand how protected species such as whales, dolphins, and sea turtles use our waters. The program coordinates the data collection and analysis efforts of NOAA Fisheries Northeast and Southeast Science Centers and the U.S. Fish and Wildlife Service Division of Migratory Birds. Through these efforts, we are providing enhanced data to managers and supporting conservation initiatives.

The objectives of this project are to use novel satellite tracking methods to provide improved estimation of threats at foraging areas and along migration routes for oceanic stage sea turtles in the Northeast Distant Region of the Atlantic Ocean (NED) and to characterize the in-water habitats used by small, oceanic stage loggerheads (Caretta caretta) so that we better understand the features that likely define their nursery habitats and the potential risks and hazards to the smallest life stages of sea turtle. To accomplish these objectives, our strategy included collaborating with cooperative fishermen in the NED to capture and satellite tag small (30 cm length) loggerhead sea turtles. Using novel satellite telemetry techniques, we were to identify the fine-scale habitat selection, movements, and dispersal of small oceanic loggerheads in the NED.

A survey was conducted in 2013 by NOAA Fisheries Mississippi Labs and the Institute for Marine Mammal Studies (IMMS) to collect data on angler fishing practices and sea turtle interactions. The survey was conducted as a pilot project from June-September at six different access points that were selected based on prior history of incidental captures and location so that surveys were conducted in all three coastal counties. Participating anglers were asked general questions about fishing practices such as typical fishing times and locations, and type of hook and bait used. They were also asked if they had caught or observed the capture of a sea turtle in the last 12 months and the outcome of the capture.

SWFSC is developing tools for estimation of limit reference points for marine turtles. These tools are being applied initially to estimate a limit reference point for western Pacific leatherback turtles off the U.S. west coast.

From 1998 to 2005 data was collected on the nesting demographics of sea turtles using beaches within the Barrow, Lowendal, Montebello (B-L-M) island complex on the North West Shelf of Western Australia to investigate the impacts of industrial activities (oil and gas onshore and offshore facility based artificial lighting) on sea turtle behaviour.

The primary goal of the Turtle Ecology program is to assess and monitor sea turtle populations in the Greater Atlantic Region in order to support scientific resource management needs and species recovery goals, as mandated through the Endangered Species Act and other federal statutes. Our research approach provides infrastructure, data streams, and data products through partnership with a wide array of organizations.

The primary goal of the Turtle Ecology program is to assess and monitor sea turtle populations in the Greater Atlantic Region in order to support scientific resource management needs and species recovery goals, as mandated through the Endangered Species Act and other federal statutes. Our research approach provides infrastructure, data streams, and data products through partnership with a wide array of organizations.

To survey immature sea turtles that inhabit the Ten Thousand Islands. Program funding came from South Florida Ecosystem Restoration. This project provided base-line data on the distribution and abundance of threatened and endangered sea turtles prior to the proposed redirection of Everglades fresh water flow. Tagging data are located on hard copy and electronic versions on CD. They are not posted on the host server. A condensed version of these data was also submitted to the Cooperative Marine Turtle Tagging Data Base (CMTTP) administered by the University of Florida, Gainesville, FL.

This data set contains sea turtle length and weight measurements, sex ratios, species composition, capture and release locations, tagging information, and information on biological samples collected for loggerhead, green, and Kemp's Ridley sea turtle populations in the coastal waters of North Carolina. Sea turtles were double-tagged with Inconel Style 681 tags (National Band and Tag Company, Newport, Kentucky, USA) applied to the trailing edge of each rear flipper. Beginning in 1995, all turtles were additionally tagged with 125 kHz unencrypted Passive Integrated Transponder (PIT) tags (Destron-Fearing Corp., South St. Paul, Minnesota, USA), injected subcutaneously above the second-most proximal scale of the trailing margin of the left front flipper to ensure identification of the turtle in the event that both Inconel tags were lost. SCL and CCL (notch-to-tip and notch-to-notch) along with SCW and CCW were measured and recorded to the nearest 0.1 cm. Blood samples were collected from the dorsal cervical sinus of the turtle, and skin samples were collected from the trailing edge of the rear flippers. Scute scrapings were collected from the edge of the carapace