National Marine Fisheries Service

23 items:

Data Summary Report: ShoreZone Mapping in Kotzebue Sound This project used previously collected ShoreZone imagery to map nearly 1,600 km of coastline between Wales and Kotzebue. With additional mapping supported by the Arctic LCC and National Park Service, this effort completed the Kotzebue Sound shoreline, which now has been included in the state-wide ShoreZone dataset. The complete ShoreZone dataset for the region was used to conduct a coastal hazards analysis and create maps that identify areas undergoing rapid coastal erosion and areas that are sensitive to inundation by storm surge and sea level rise Categories: Data; Tags: BEACHES, BEACHES, COASTAL AREAS, COASTAL AREAS, COASTAL LANDFORMS, All tags...
The influence of nutrients from carcasses of sea lamprey (Petromyzon marinus) on larval growth and spawner abundance Migrations of anadromous sea lamprey (Petromyzon marinus) from marine ecosystems serve as vectors of nutrients into freshwater food webs. Larval sea lamprey reside in streams for 6–8 years as deposit feeders before metamorphosing into juveniles and migrating to the ocean. Previous work has shown that carcass nutrients, which result from the death of adult lamprey after spawning, increase stream productivity and are consumed by larvae. This may increase larval growth rates and enhance earlier metamorphosis. We examined the sensitivity of life-history parameters and influence of nutrients from carcasses of sea lamprey on the age and growth of larval conspecifics with a deterministic stock-recruitment model. We hypothesized... Categories: Publication; Types: Citation; Tags: Fishery Bulletin
Map of Study Area: ShoreZone Mapping in Bristol Bay This project used existing ShoreZone coastal imagery to map 719 km of shoreline in Bristol Bay, from Cape Constantine to Cape Newenham. This section of coastline is an extremely important herring spawning area and an important component of the Bristol Bay fisheries. Intertidal and nearshore vegetation, on which herring spawn, was catalogued as part of the mapping and, along with shore types, coastal substrate, and coastal biota, added to the state-wide ShoreZone dataset. Categories: Data; Tags: COASTAL HABITAT, COASTAL HABITAT, COASTAL LANDFORMS, COASTAL LANDFORMS, DATA DELIVERY, All tags...
Coastal Vulnerability Indices Information This project used previously collected ShoreZone imagery to map nearly 1,600 km of coastline between Wales and Kotzebue. With additional mapping supported by the Arctic LCC and National Park Service, this effort completed the Kotzebue Sound shoreline, which now has been included in the state-wide ShoreZone dataset. The complete ShoreZone dataset for the region was used to conduct a coastal hazards analysis and create maps that identify areas undergoing rapid coastal erosion and areas that are sensitive to inundation by storm surge and sea level rise. Categories: Data; Tags: BEACHES, BEACHES, COASTAL AREAS, COASTAL AREAS, COASTAL LANDFORMS, All tags...
Bristol Bay Vulnerability Report This project used existing ShoreZone coastal imagery to map 719 km of shoreline in Bristol Bay, from Cape Constantine to Cape Newenham. This section of coastline is an extremely important herring spawning area and an important component of the Bristol Bay fisheries. Intertidal and nearshore vegetation, on which herring spawn, was catalogued as part of the mapping and, along with shore types, coastal substrate, and coastal biota, added to the state-wide ShoreZone dataset. Categories: Data; Tags: COASTAL HABITAT, COASTAL HABITAT, COASTAL LANDFORMS, COASTAL LANDFORMS, DATA DELIVERY, All tags...

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