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  • All fields: Aquaculture
(85 results)



Display: 20

    • Atlantic salmon smolts

    • Aquaculture; Anadromous species; Endangered species; Fishes; Fisheries management;
    • Atlantic salmon spend the first two years of life in the fresh water habitats of their native stream (occasionally three, depending upon food availability). At two years of age, the fish undergo the process of smoltification, resulting in changes...
    • Archaeological site and sign

    • Aquaculture; Aquatic environments; Aquatic plants; Banks; Coastal environments; Coastal zone management; Cultural resources; Environments (Natural); Erosion; Historic sites; Marine environments; Plants; Public access; Recreation sites; Resource...
    • Beautiful untouched coastline punctuated by Archaeological sign the foreground.
    • Alligator warning sign

    • Aquaculture; Aquatic environments; Aquatic plants; Biodiversity; Environments (Natural); Plants; Ponds; Trees; Vegetation; Reptiles; Signs; Wildlife refuges;
    • A reminder not to get eaten is always helpful when viewing beautiful wetlands.
    • Wetland area with algae

    • Aquaculture; Aquatic environments; Aquatic plants; Biodiversity; Environments (Natural); Plants; Ponds; Trees; Vegetation; Wildlife refuges;
    • Various wetland vegetation including algae.
    • Phragmites again!

    • Aquaculture; Aquatic environments; Aquatic plants; Biological control; Ecosystem recovery; Employees (USFWS); Environmental quality; Foliage; Habitat conservation; Habitat fragmentation; Habitat restoration; Invasive species; Resource management;...
    • Alligator River National Wildlife Refuge employee inspects a patch of phragmites, an invasive species on the refuge.
    • Electrofishing day

    • Aquaculture; Aquatic environments; Banks; Biologists (USFWS); Coastal zone management; Emblems; Employees (USFWS); Equipment; Fishes; Fishing; Fisheries management; Freshwater fishes; Marine environments; Marine ecology; Personnel; Plants;...
    • U.S. Fish and Wildlife Service employees catching fish using electrofishing practice.
    • U.S. Fish and Wildlife Service employee holds fish

    • Aquaculture; Aquatic environments; Banks; Biologists (USFWS); Coastal zone management; Emblems; Employees (USFWS); Equipment; Fishes; Fishing; Fisheries management; Freshwater fishes; Marine environments; Marine ecology; Personnel; Plants;...
    • U.S. Fish and Wildlife Service examines fish closely.
    • More where that came from

    • Aquaculture; Aquatic environments; Banks; Biologists (USFWS); Coastal zone management; Emblems; Employees (USFWS); Equipment; Fishes; Fishing; Fisheries management; Freshwater fishes; Marine environments; Marine ecology; Personnel; Plants;...
    • U.S. Fish and Wildlife Service employee holds up samples of the fish captured for study.
    • Habitat suitability index models: flathead catfish (Pylodictis olivaris)

    • Aquaculture; Aquatic environments; Fishes; Fisheries management; Habitat conservation
    • The habitat use information and Habitat Suitability Index (HSI) models presented in this document are intended for use in impact assessment and habitat management activities. Literature concerning the habitat requirements and preferences of...
    • Stream

    • Aquaculture; Fish hatcheries; Scenics;
    • White Sulphur Springs National Fish Hatchery provides recreational fishing opportunities, recovering fish, mussels and other wildlife and their habitats, and promoting awareness and appreciation of our cultural and natural resources for the benefit...
    • Habitat suitability index models: muskellunge (Esox masquinongy)

    • Aquaculture; Fishes; Aquatic environments; Habitat conservation; Biologists (USFWS);
    • The muskellunge (Esox masquinongy) was recognized as a distinct species relatively late, and its nomenclature is varied and confused (Crossman 1986). Currently, only one species of muskellunge is recognized, with a variety of strains (Crossman...
    • Fisheries of the former Japanese mandated Islands - Part III

    • Aquaculture; Fishes; Fisheries management;
    • U.S. Fish and Wildlife Service, fishery leaflet 273, part III, summary and recommendations. Fundamental knowledge of the fisheries is almost non-existent. Basic knowledge can be obtained only by fishery experts working over a period of years.
    • Float your cares away

    • Aquatic plants; Aquatic environments; Adults; Aquaculture; Banks; Children; Foliage; Forests; Leisure activities; Plants; Public access; Recreation; Recreation sites; Rivers and streams; Scenics; Visitor services; Water sports; Wildlife refuges;...
    • Families find floating down the river exciting and fun.
    • Aquatic trail of laughter and fun

    • Aquatic plants; Aquatic environments; Adults; Aquaculture; Banks; Children; Foliage; Forests; Leisure activities; Plants; Public access; Recreation; Recreation sites; Rivers and streams; Scenics; Visitor services; Water sports; Wildlife refuges;...
    • A lucky group of people enjoying a canoe tour of the refuge. One of the wonderful offerings of Alligator River national Wildlife Refuge.
    • Miles of smiles

    • Aquatic plants; Aquatic environments; Adults; Aquaculture; Banks; Children; Foliage; Forests; Leisure activities; Plants; Public access; Recreation; Recreation sites; Rivers and streams; Scenics; Visitor services; Water sports; Wildlife refuges;...
    • A father and daughter share a splendid bonding experience on the water. An adventure they will always remember.

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