Subjects: *AQUATIC habitats; *WETLAND conservation; *DRAGONFLIESGREAT Cypress Swamp (Del. & Md.); INDIANA
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Subjects: TURTLE behavior; AQUATIC habitats; NEST buildingMALAYSIAMALAYSIAMALAYSIAReport Available
Subjects: OASES; AQUATIC habitats; SOUZA, ValeriaCHIHUAHUAN Desert; MEXICOMEXICOMEXICOReport Available
Subjects: HABITATS; MARSHES; AQUATIC plants
Subjects: *SPONGES (Invertebrates); *AQUATIC habitatsLAKE Baikal (Russia)
Subjects: TUTTLE Marsh (Mich.); WETLANDS; AQUATIC habitatsGREAT Lakes (North America); MICHIGANMICHIGANMICHIGANReport Available; UNITED StatesUNITED StatesUNITED StatesReport Available
Subjects: NORTH American river otter; OTTERS; SOIL conservationHUMBOLDT River (Nev.); NEVADANEVADANEVADAReport Available; UNITED StatesUNITED StatesUNITED StatesReport Available
Subjects: SALMON; BEARS; ECOLOGY
Subjects: FOSSIL rhinoceroses; PERISSODACTYLA; AQUATIC ecologyNORTH America
Subjects: NORTH American river otter; ESTUARINE ecology; FISHERS