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  • All fields: Mollusks
(57 results)



Display: 20

    • Wilderness marsh

    • Coastal environments; Coastal zone management; Grasses; Habitat conservation; Marine environments; Wildlife refuges; Mollusks;
    • Designated wilderness marsh with oyster beds on the refuge
    • Wilderness marsh

    • Coastal environments; Coastal zone management; Grasses; Habitat conservation; Marine environments; Wildlife refuges; Mollusks;
    • Designated wilderness marsh with oyster beds on the refuge
    • Waterfowl management handbook

    • Wildlife management; Waterfowl; Work of the Service; Wildlife refuges; Wildlife impacts;
    • Waterfowl nutritional needs during the annual cycle and the nutritional values of natural foods and crops are discussed.
    • Walrus Cows and Yearlings on Ice

    • Ice; Mammals; Marine mammals;
    • Walrus cows and yearlings resting on ice. The Walrus lives near relatively shallow water where it spends much of its time looking for benthic bivalve mollusks, its preferred diet. The Walrus is a social animal and spends much of its time on sea...
    • Trail to archeological site

    • Recreation; Artifacts; Historic sites; Wildlife refuges;
    • This ancient feature was initially created by Archaic cultures and completed by Woodland period cultures. Its height was reached by the discarding the shells of their food source - oysters, clams, and other mollusks. over a 6,000 time span. Once...
    • Toxicity of 22 therapeutic compounds to six fishes

    • Document; Freshwater fishes; Mollusks; Biologists (USFWS); Biological control; Fires; Fisheries management;
    • First work: Of 22 therapeutic chemicals (18 parasiticides and 4 oral bacteriostats) tested by bioassays, 16 were toxic to fish and 6 were not. Second work: Bayer 73, a molluscicide sold commercially as Bayluscide, is highly toxic to 18 species of...
    • Surveying For Mussels

    • Surveying; Rivers and streams; Mollusks;
    • Surveying for mussels in drained river, Suncook, NH.
    • Sunflower Starfish

    • Species; Marine Life; Starfish; Wildlife refuges; Alaska Maritime National Wildlife Refuge; Aleutians; Unalaska; Alaska
    • The largest and one of the fastest sea star species in Alaska. Grazes on mollusks and urchins in the intertidal zone. Sea stars have a remarkable ability to regenerate lost parts.
    • Soft-shell clam, Mya arenaria

    • Coastal environments; Fisheries management; Mollusks;
    • Describes the soft-shell clam industry of the Atlantic coast; reviewing past and present economic importance, fishery methods, fishery management programs, and special problems associated with shellfish culture and marketing. Provides a summary of...
    • Sign: "Archeological Site in this Area"

    • Recreation; Artifacts; Historic sites; Wildlife refuges; Signs;
    • This ancient feature was initially created by Archaic cultures and completed by Woodland period cultures. Its height was reached by discarding the shells of their food source - oysters, clams, and other mollusks over a 6,000 time span. Once used as...
    • Shell Mound Archeological Site

    • Recreation; Artifacts; Historic sites; Wildlife refuges; Signs;
    • This ancient feature was initially created by Archaic cultures and completed by Woodland period cultures. Its height was reached by the discarding the shells of their food source - oysters, clams, and other mollusks. over a 6,000 time span. Once...
    • Pink mucket pearlymussel

    • Wildlife; Aquatic animals; Endangered and/or Threatened species; Marine ecology; Mollusks; Rivers and streams;
    • Close-up of endangered mussel from the Ohio River.For more information about endangered mussels visit http://www.fws.gov/midwest/endangered/clams/mussels.html
    • Pink mucket pearlymessel

    • Wildlife; Aquatic animals; Endangered and/or Threatened species; Marine ecology; Mollusks; Rivers and streams;
    • Close-up of endangered species mussel from the Ohio River. For more information about endangered mussels visit http://www.fws.gov/midwest/endangered/clams/mussels.html

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