187 Works

Proceedings of the 2014 NOAA economics of protected resources workshop, September 9-11, 2014, La Jolla, California.

Kathryn D. Bisack, Dale E. Squires, Douglas W. Lipton, James Robert Hilger, Daniel S. Holland, Denise H. Johnson, Min-Yang Lee, Rebecca Lent, Daniel Kevin Lew, Gisele Magnusson, Minling Pan, Lew E. Queirolo, Stephen Stohs, Cameron L. Speir, K. Wallmo, &
During a three day workshop held September 9-11, 2014, economists from the National Marine Fisheries Service (NMFS) discussed economic issues related to protected resources (PR). This was the first NMFS workshop focused exclusively on the economics of PR. The primary goal was to initiate the process of identifying national PR social science research needs and best practices. Attendance included economists from NMFS headquarters, the NMFS regional offices and science centers in the Northeast, Southeast, Northwest,...

The prices for for-hire marine fishing trips in the southeastern U.S. collected from websites, 2011-2013.

Information on the prices for for-hire fishing services is needed to understand the economics of the industry. Prices are used along with data on for-hire fishing trip costs and effort to calculate the profitability of the sector. Longer price series can be used to estimate demand and supply relationships for for-hire services that help to predict how trip activity is expected to change with proposed regulations. We can learn a lot about how much different...

The Hawaii-based longline logbook summary report, April-June 2013.

This report summarizes data on fish catch and fishing effort by Hawaii-based longline vessels during the second quarter of 2013 (Q2-2013). Results are based on the date gear was hauled, as reported by vessel operators to the National Marine Fisheries Service in federal logbooks of daily fishing activity. The report covers longline operations for fishing trips completed in the second quarter of 2013 and most, but not all, Q2-2013 data from trips that began late...

The International Sampling Program : continent of origin and biological characteristics of Atlantic salmon collected at West Greenland in 2013.

Timothy Francis Sheehan, Denise Deschamps, Tara R. Trinko Lake, Simon McKelvey, Katie Thomas, Simon Toms, Rasmus Nygaard, Timothy L. King, Martha J. Robertson & Niall Ó. Maoilé́idigh
An Atlantic salmon (Salmo salar) mixed-stock fishery operating from 1 August through 31 October exists off the western coast of Greenland, which primarily harvests one-sea-winter (1SW) North American and European origin salmon destined to return to natal waters as twosea-winter spawning adults. To collect data on the biological characteristics and origin of the harvest necessary for international stock assessment efforts, parties to the North Atlantic Salmon Conservation Organization’s West Greenland Commission agreed to participate in...

2014 assessment update report of the Gulf of Maine Atlantic cod stock.

Michael Collins Palmer
This update of the Gulf of Maine cod stock assessment is a streamlined document that focuses on the primary assessment information required for management. The update incorporates recent commercial and recreational landings and discard data (2012 and 2013) and recent survey information (2012 - 2014 spring surveys; 2012 - 2013 autumn surveys) into the previously approved peer-reviewed model. This report is part of a larger effort to provide more timely information on stock status for...

Pacific Reef Assessment and Monitoring Program. Fish monitoring brief : Pacific Remote Island Areas, 2014.

The purpose of this document is to outline the most recent survey efforts conducted by the Coral Reef Ecosystem Division (CRED) of the NOAA Pacific Islands Fisheries Science Center as part of the long-term monitoring program known as the Pacific Reef Assessment and Monitoring Program (Pacific RAMP). More detailed survey results will be available in a forthcoming annual status report.

PIFSC report on the logbook program for the American Samoa longline fishery, April-June 2013.

The American Samoa longline fishery continues to experience challenging conditions. Catch of the primary target species, albacore tuna has remained at a fairly low level in comparison with long term averages. Catches of many other marketable species were also relatively low during the second quarter of 2013, as they were throughout 2012. However, increasing catches of low-volume-higher-priced species, yellowfin tuna and wahoo, may indicate an adaptation of the fishery to supply local demand through local...

User’s guide to FishGraph

Michael H. Prager, Erik H. Williams, Kyle William Shertzer, &
FishGraph is a set of R functions that generates plots from output of fish stockassessment models. By calling a few FishGraph functions, the user can create hundreds of finished plots rapidly. Plots are displayed on screen and may be saved to files. The plots are suitable for diagnostic use and for inclusion in manuscripts. We developed FishGraph for use during assessment workshops and to ease assembly of assessment reports, and have been using it, in...

A tsunami forecast model for Point Reyes, California.

Michael C. Spillane
This report documents the reference and forecast model development for Point Reyes, California, and its vicinity, comprising much of western Marin County. The Point Reyes headland juts out into the Pacific Ocean and it s lighthouse is a prominent navigation landmark northwest of the entrance to San Francisco Bay. A tide gauge within Drakes Bay, in the lee of the headland, provides observations for model validation from numerous historical tsunamis. While much of the study...

Climatology development for NOAA Coral Reef Watch's 5-km product suite

Scott Fraser Heron, Gang Liu, , , Frank E. Muller-Karger, Maria Vega-Rodriguez, Jacqueline L. De La Cour, Timothy F. R. Burgess, , Eric F. Geiger, Liane S. Guild &
The U.S. National Oceanic and Atmospheric Administration (NOAA) Coral Reef Watch (CRW) program has used a 50-km resolution 'Heritage' analysis of satellite sea surface temperature (SST) observations to monitor coral reef thermal stress for more than 15 years. The most frequently requested upgrade by coral reef managers and scientists has been for increased spatial resolution. The recent operational production of a satellite-based, global SST analysis at 5-km resolution has provided the basis for high-resolution monitoring...

Estimation of marine mammal bycatch mortality in the Gulf of Mexico shrimp otter trawl fishery

Melissa S. Soldevilla, , Elizabeth Scott-Denton &
Bycatch in fishery gear is a leading source of mortality for marine mammals; however annual mortality of marine mammals in the Gulf of Mexico shrimp otter trawl fishery has not been previously estimated. Simple extrapolation of dolphin bycatch rates with respect to the percentage of the fishery covered by NMFS's Observer Program suggests annual bycatch mortality could be substantial. This study estimates annual bycatch mortality of Gulf of Mexico common bottlenose dolphin (Tursiops truncatus) and...

A summary of the Marianas Trench Marine National Monument and Mariana Archipelago Ecosystem Science Implementation Workshop, Saipan, CNMI, May 21-22, 2013

Eric R. Breuer, Risa Grace Oram & Eric Cruz
A 2-day workshop was held in Garapan, Saipan, to gain insight from the Commonwealth of the Northern Mariana Islands (CNMI) and Guam researchers and managers on marine research needs within the Marianas Archipelago for consideration as NOAA Fisheries develops its science and management plans. More than 30 individuals representing a broad spectrum of organizations attended. Following a series of presentations, participants identified key research topics that could be implemented in the next 3 to 5...

Hawaii retail seafood markets : observations from Honolulu (2007-2011)

Justin Hospital & Courtney Beavers
This report provides a summary of retail (consumer-level) fish price data collected from Honolulu seafood markets during the period 2007 to 2011. A small sample (n=7) of local seafood retailers was selected for participation in the data collection and monitoring effort. These included owners, operators, or representatives of local seafood outlets and both local and remotely owned grocery stores and supermarkets. Retailers were visited on a weekly basis and posted price data were collected for...

Smooth sheet bathymetry of Norton Sound

&
We assembled approximately 230,000 U.S. National Ocean Service (NOS) bathymetric soundings from 39 lead-line and single-beam echosounder hydrographic surveys conducted from 1896 to 2005 in Norton Sound, Alaska. These bathymetry data are available from the National Geophysical Data Center (NGDC: http://www.ngdc.noaa.gov), which archives and distributes data that were originally collected by the NOS and others. While various bathymetry data have been downloaded previously from NGDC, compiled, and used for a variety of projects, our effort...

2013 final report on the performance of the northeast multispecies (groundfish) fishery (May 2013 - April 2014)

Tammy Murphy, Andrew W. Kitts, Chad K. Demarest & John Walden
This report provides an evaluation of the economic and social performance of active limited access Northeast groundfish vessels for the 2013 fishing year (May 2013 through April 2014). Table 1 contains a summary of major trends for the fishery for the period 2010 - 2013. The report focuses on trends from 2010 onward and on changes that occurred between 2012 and 2013. An important difference in this year's report from previous reports is that all...

Injury determinations for cetaceans observed interacting with Hawaii and American Samoa longline fisheries during 2007-2011

Amanda L. Bradford & Karin A. Forney
Cetacean interactions (i.e., hookings and entanglements) with the Hawaii and American Samoa longline fisheries observed during 2007 - 2011 were compiled, and the number of cetacean deaths, serious injuries, and non-serious injuries by fishery, species, and management area were assessed. These values form the basis of the mortality and serious injury estimates included in the stock assessment reports of stocks impacted by these fisheries. Injury determinations were made using a revised process for distinguishing serious...

Forty years of research: recovery records of green turtles observed or originally tagged at French Frigate Shoals in the northwestern Hawaiian Islands, 1973-2013

Irene Nurzia Humburg & George H. Balazs
In 1983 the publication of the NOAA Technical Memorandum titled 'Recovery records of adult green turtles observed or originally tagged at French Frigate Shoals, Northwestern Hawaiian Islands' authored by George Balazs included tagging and sighting data for 294 individual turtles witnessed in association with the Hawaiian green turtle's main rookery of French Frigate Shoals (FFS). Herein we bring that report up to date and include some novel ways to present the information gathered in more...

Benefits of an Advanced Quantitative Precipitation Information system : San Francisco Bay area case study

Lynn E. Johnson, Robert Cifelli & Allen B. White
A case study for the San Francisco Bay area provides the context for quantification of the benefits of an Advanced Quantitative Precipitation Information (AQPI) system. An AQPI would dovetail with the current NWS forecast operations to provide incrementally higher resolution monitoring of rainfall events and longer lead time forecasts. Decisions on investments to obtain an operational AQPI system require demonstration that the benefits exceed the costs. Estimation of benefits involves characterization of the spectrum of...

Depth derivation using multispectral WorldView-2 satellite imagery.

Julia S. Ehses &
Despite recent efforts to collect high-resolution multibeam bathymetry data across the Pacific Islands Region, significant gaps exist in the 0–30 m depth range. Achieving bathymetric coverage in these areas is critical for assessing the health of coral reef ecosystems that reside there. Here we use WorldView-2 multispectral satellite imagery and two depth derivation methods (Lyzenga, 2006; Stumpf et al., 2003) that relate spectral radiance values to ground truth depth information to derive depths for shallow-water...

Variability in salt marsh flooding patterns in Galveston Bay, Texas.

Thomas Joseph Minello, Lawrence P. Rozas, Shawn P. Hillen & Juan A. Salas
Tidal flooding of the marsh edge appears to be an important characteristic that affects the value of this habitat for juvenile nekton. We measured elevations and flooding durations of the marsh surface near the edge in 13 (10 natural and three created) Spartina alterniflora marshes in Galveston Bay. Benchmarks and water level recorders were installed near each marsh in 2010, and a professional surveyor measured elevations in NAVD88 by taking static GPS observations at each...

Estimated bycatch of marine mammals and sea turtles in the U.S. Atlantic Pelagic Longline Fleet during 2013.

& Lesley Stokes
The U.S. Atlantic Pelagic Longline fleet operates throughout the northwestern Atlantic Ocean, including along the U.S. coast from the Gulf of Mexico to New England, the waters of the Caribbean, and in international waters of the North Atlantic Ocean. The Atlantic longline fleet is defined as a Category I fishery under the Marine Mammal Protection Act, and it is also the subject of management under the Endangered Species Act due to interactions with leatherback (Dermochelys...

Alaska marine mammal stock assessments, 2014.

& Robyn P. Angliss
On 30 April 1994, Public Law 103-238 was enacted allowing significant changes to provisions within the Marine Mammal Protection Act (MMPA). Interactions between marine mammals and commercial fisheries are addressed under three new sections. This new regime replaced the interim exemption that has regulated fisheries-related incidental takes since 1988. Section 117, Stock Assessments, required the establishment of three regional scientific review groups to advise and report on the status of marine mammal stocks within Alaska...

Catch and bycatch in U.S. Southeast gillnet fisheries, 2014.

, Bethany M. Deacy &
The Southeast Gillnet Observer Program has adapted to the changes of the Florida- Georgia shark gillnet fishery since the program began in 1993 (e.g. Carlson and Bethea 2007 and references therein, Mathers et al. 2014). There are currently about 500 total directed and incidental shark permits issued in the US Atlantic and Gulf of Mexico, while the number of gillnet fishers changes from year to year. Gillnet effort targeting large coastal (LCS) and small coastal...

A comparative assessment of underwater visual survey tools : results of a workshop and user questionnaire.

Mary M. Yoklavich, Jennifer Reynolds & Dirk Rosen
Visual surveys of seafloor habitats and associated organisms are being used more commonly in marine science, and yet researchers and resource managers continue to struggle in choosing among available underwater tools and technologies. In this report, we present the results of a comprehensive questionnaire and corresponding workshop that address the capabilities, limitations, operational considerations, and cost for five mobile, visual tools used in survey mode: remotely operated vehicles (ROV); autonomous underwater vehicles (AUV); human-occupied vehicles...

60th Northeast Regional Stock Assessment Workshop (60th SAW) assessment summary report

The 60th SAW Assessment Summary Report contains summary and detailed technical information on two stock assessments reviewed during June 2-5, 2015 at the Stock Assessment Workshop (SAW) by the 60th Stock Assessment Review Committee (SARC-60): scup (Stenotomus chrysops ) and bluefish ( Pomatomus saltatrix). The SARC-60 consisted of three external, independent reviewers appointed by the Center for Independent Experts [CIE], and an external SARC chairman from the MAFMC SSC. The SARC evaluated whether each Term...

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