|
| a tributary of Drift Creek (1) | a tributary of Elk Creek (1) | a tributary of Mill Creek (1) |
| a tributary of Steamboat Creek (2) | a tributary of the Little River (2) | a tributary of the lower Umpqua River (1) |
| a tributary of the Nestucca River (1) | a tributary of the North Fork of the Alsea River (1) | a tributary of the North Umpqua River (5) |
| a tributary of the Siletz River (2) | a tributary of the South Umpqua River (1) | a tributary of the West Fork of the Smith River (2) |
| Abbey Creek (1) | Abbott Creek (2) | Aberdeen (Wa.) (1) |
| abundance (205) | Abyssal plains (2) | Acanthocephala spp. (1) |
| acanthocephalans (3) | Acartia clausi (2) | Acartia longiremis (1) |
| Acartia species (13) | Accretion (15) | Achanthes species (2) |
| Achnanthidium minutissimum (1) | Acker Fire (1) | Acoustics (6) |
| Acroneuria pacifica (1) | Adams Creek (1) | Adams Riffle (1) |
| Adaptation (1) | aerial photographs (2) | aerial photography (9) |
| Aeromonas salmonicida (3) | Aeromonas spp. (1) | Aestabdella species (1) |
| Africa (9) | Agapetus bifidus (1) | Agate Beach (47) |
| Agbada Formation (1) | age composition (103) | aging (1) |
| agricultural (1) | agriculture (100) | Agriculture, Alsea Bay, Chetco River, Columbia River estuary, Coos Bay, Coquille River estuary, estuarine dynamics, general ecosystem description, habitats, human impacts, hydrology, land ownership, land use, logging, Necanicum River estuary, Nehalem Ri (1) |
| Agriculture, Alsea Bay, estuarine dynamics, habitats, human impacts, hydrology, land ownership, land use, logging, mathematical modeling, Netarts Bay, Salmon River, Siletz Bay, Siuslaw River, Tillamook Bay, Umpqua River, Yaquina River (1) | agriculture, climate, climate change, coastal hazards, demographics, depleted populations, economics, fish, human impact, invasive species, phenology, precipitation, temperature, terrestrial vegetation, water temperature, wildlife (1) | agriculture, pesticides, sediments, water pollution, water quality, water temperature (1) |
| Ahnkuti Site (1) | air temperature (19) | air temperature data (4) |
| Alabama (1) | Alaria marginata (1) | Alaska (128) |
| Alaska, Alsea River, Argentina, Chile, Chinook salmon = Oncorhynchus tshawtscha, Elk River, hatchery salmonids, McKenzie River, morphology, otoliths, Siletz River, Sixes River, wild salmonids, Willamette River (1) | Alaskan bay shrimp = Crangon alaskensis (1) | Albumen prints. (1) |
| Alder (3) | Alder Brook (2) | Alder Brook (Salmon) (7) |
| Alder Creek (2) | Alder Creek (Nestucca River) (3) | Alder Springs Acres (1) |
| Alderia modesta (2) | algae (49) | algae, bacteria, dissolved oxygen, eutrophication, general, habitats, pH data, sediments, water pollution, water quality, water temperature (1) |
| algal species (21) | Alkalic rocks (4) | Alkalinity (3) |
| Alkylphenols (1) | Alsea (4) | Alsea (Or.) (2) |
| Alsea Basin (23) | Alsea Basin, hydrology, land ownership, land use, demographics, conservation (1) | Alsea Bay (408) |
| Alsea Bay Boat Landing (1) | Alsea Bay Bridge (3) | Alsea Bay Bridgehead (1) |
| Alsea Bay Estuary (3) | Alsea Bay Spit (3) | Alsea Bay, Alsea Spit, coastal hazards, earthquakes, maps, tsunamis (1) |
| Alsea Bay, aquatic invertebrates, Coos Bay, Coquille River estuary, crustaceans, El Niño, European green crab = Carcinus maenas, introduced species, Nehalem Bay, Netarts Bay, Pacific Decadal Oscillation, population count, Tillamook Bay, Yaquina Bay (2) | Alsea Bay, Bayshore, Waldport Bridge Flat, Seawall Beach, North Flat, Subtidal Channels, gaper clam = Tresus capax, Cockle clam = Clinocardium nuttallii, Softshell clam = Mya arenaria, Purple varnish clam = Nuttallia obscurata, recreational fisheries – (1) | Alsea Bay, Beaver Creek, Depoe Bay, hazardous waste, natural resource management, Necanicum Bay, Nehalem Bay, Netarts Bay, oil spills, Ona Beach, pollution, Salmon River, Sand Lake, Siletz Bay, Tillamook Bay, Yachats River, Yaquina Bay (1) |
| Alsea Bay, Chetco River estuary, Columbia River estuary, Coos Bay, Coquille River estuary, Devil’s Lake, Depoe Bay, Little Creek, Beaver Creek, Rock Creek, Big Creek, Yachats River, Tenmile Creek, Siltcoos River, Tahkenitch Creek, Necanicum River estuar (1) | Alsea Bay, Chetco River, Coos Bay, Coquille River, Depoe Bay, Nehalem Bay, Nestucca River, Netarts Bay, Salmon River, Sand Lake, Siletz Bay, Siuslaw River, Sixes River, Tillamook Bay, Umpqua River, Yaquina Bay, land use, environmental law and policy, (1) | Alsea Bay, Coquille River Estuary, Nehalem Bay, Netarts Bay, Salmon River Estuary, Tillamook Bay, Youngs Bay, climate change, sea level, salt marsh, sediments, organic carbon (1) |
| Alsea Bay, human impacts, climate, habitats, land use, maps, salinity, sea level, wetlands, wetland vegetation, zonal distribution (2) | Alsea Bay, human impacts, climate, habitats, land use, salinity, sea level, wetlands, wetland vegetation, zonal distribution (1) | Alsea Bay, Nehalem Bay, Yaquina Bay, eelgrass = Zostera marina. rockfish = Sebastes spp., black rockfish = Sebastes melanops, feeding behavior, growth, habitats, juvenile fishes, life history information, otoliths, theses (1) |
| Alsea Bay, Netarts Bay, Siletz Bay, Yaquina Bay, Pacific harbor seal = Phoca vitulina richardii, diet, feeding behavior, geographic distribution, habitats, oceanography (1) | Alsea Estuary (6) | Alsea Fish Hatchery (25) |
| Alsea Formation (3) | Alsea Hatchery (2) | Alsea Indians (3) |
| Alsea Oyster Company (1) | Alsea Rive (1) | Alsea River (436) |
| Alsea River Basin (104) | Alsea River Basin, Alsea River, North Fork Alsea River, South Fork Alsea River, navigation, human impacts, history, hydrography, transportation (1) | Alsea River Basin, Alsea Watershed Study Revisited, glyphosate, aminomethylphosphoric acid (AMPA), imazapyr, sulfometuron methyl (SMM), metsulfuron methyl (MSM), herbicides, logging, natural resource management, Needle Branch, water quality, (1) |
| Alsea River Basin, Alsea Watershed Study, climate change, Deer Creek, Flynn Creek, human impacts, hydrology, logging, natural resource management, Needle Branch, streamflow, terrestrial vegetation, water quality, water temperature (1) | Alsea River Basin, Alsea Watershed Study, Coho salmon = Oncorhynchus kisutch, Cutthroat trout = Oncorhynchus clarki, Drift Creek, Flynn Creek, human impacts, logging, Needle Branch, terrestrial vegetation, water quality, water temperature (1) | Alsea River Basin, Alsea Watershed Study, Deer Creek, Drift Creek, Flynn Creek, Calapooya Creek, Hinkle Creek, Hinkle Creek Study, human impacts, hydrology, logging, Needle Branch, sediment data, terrestrial vegetation, Umpqua River Basin, water quality (1) |
| Alsea River Basin, Alsea Watershed Study, Deer Creek, Flynn Creek, geology, Hinkle Creek Study, human impacts, logging, Needle Branch, North Fork Hinkle Creek, South Fork Hinkle Creek, Trask River, Umpqua River Basin, water temperature (1) | Alsea River Basin, Alsea Watershed Study, Deer Creek, Flynn Creek, human impacts, logging, natural resource management, Needle Branch, sediment data, sediments, terrestrial vegetation, water quality, water temperature (1) | Alsea River Basin, Alsea Watershed Study, Drift Creek, Flynn Creek, H. J. Andrews Experimental Forest, geology, hydrology, mathematical modeling, Needle Branch, sediments, Tyee Formation, (2) |
| Alsea River Basin, Alsea Watershed Study, Flynn Creek, human impacts, logging, natural resource management, Needle Branch, terrestrial vegetation, water quality, water temperature (1) | Alsea River Basin, Big Elk Creek (Yaquina), carbon, Douglas fir = Pseudotsuga menziesii, ecosystem health, food webs, habitats, Lake Creek (Siuslaw), Lobster Creek (Alsea), Lower Alsea River, nitrogen, Red alder = Alnus rubra, Siuslaw River, terrestrial (1) | Alsea River estuary (252) |
| Alsea River estuary, Beaver Creek estuary, biological, Chetco River estuary, Columbia River estuary, community ecology, Coos River estuary, Coquille River estuary, ecological succession, environmental policy and law, general ecosystem description, human (1) | Alsea River Fish Hatchery (2) | Alsea River headwaters (1) |
| Alsea River, Canal Creek, Oregon Hatchery Research Center, Coho salmon = Oncorhynchus kisutch, juvenile fish, hydrology, habitats, large woody debris, streamflow, mathematical modeling, (1) | Alsea River, canneries, Chinook salmon = Oncorhynchus tshawytscha, Chum salmon = Oncorhynchus keta, Coho salmon = Oncorhynchus kisutch, commercial fisheries - salmon, (3) | Alsea River, canneries, Chinook salmon = Oncorhynchus tshawytscha, Chum salmon = Oncorhynchus keta, Coho salmon = Oncorhynchus kisutch, commercial fisheries - salmon, Coos Bay, Coquille River, Nehalem River, Nestucca River, (1) |
| Alsea River, Drift Creek, coastal hazards, geology, paleosciences, sediments, landslides, logging, human impacts, theses (1) | Alsea River, North Fork Alsea River, Lint Creek, Crooked Creek, Alsea Fish Hatchery, Steelhead trout = Oncorhynchus mykiss, developmental stages, life history information, physiology, photoperiod, water temperature, endocrinology (1) | Alsea River, Siletz River, Chinook salmon = Oncorhynchus tshawytscha, Salmon fever fluke = Nanophyetus salmincola, Furunculosis = Aeromonas salmonicida, Columnaris = Flavobacterium columnare, juvenile fish, parasites, bacteria, mortality (1) |
| Alsea Rvier (3) | Alsea Salmon Hatchery (9) | Alsea Silver Landing (1) |
| Alsea Spit (16) | Alsea Sub-Basin (1) | Alsea Trout Hatchery (3) |
| Alsea Valley Alliance (1) | Alsea Watershed Study (68) | American beachgrass = Ammophila breviligulata (1) |
| American beaver = Castor canadensis (4) | American bullfrog = Rana catesbeiana (1) | American Coot = Fulica Americana (2) |
| American coot=Fulica americana (1) | American crow = Corvus brachyrhynchos (1) | American crow=Corvus brachyrhynchos (2) |
| American dipper = Cinclus mexicanus (3) | American dune grass = Leymus mollis (1) | American dunegrass = Leymus mollis (1) |
| American lobster = Homarus americanus (2) | American lobster=Homarus americanus (3) | American marten =Mares Americana (1) |
| American shad = Alosa sapidissima (6) | American Shrew-mole = Neurotrichus gibbsii (1) | American wigeon = Anas Americana (3) |
| ammonia (7) | ammonium (4) | amphibia (2) |
| amphibians (20) | Amphibians, birds, fish, invertebrates, mammals, reptiles, depleted populations, endangered species, geographic distribution, natural resource management, spatial distribution, (1) | amphipods (45) |
| Amphissa columbiana (1) | Amphora coffeaeformis (1) | Amphora spp. (1) |
| Anabaena spp. (1) | Anabaena spp. = blue-green algae (1) | Anadromous (3) |
| Anadromous Inc. (1) | Analcime (1) | anatomy (2) |
| Ancient murrelet = Synthliboramphus antiquus (1) | Anderson Creek (2) | Andesite (70) |
| Angiosperms (2) | Angustassiminea californica (1) | anilene (1) |
| Anisakis simplex (1) | Anisogammarus and Corophium (Amphipoda) (2) | Annelid worms (1) |
| annelids (13) | Anodonta spp. (2) | anoxia (1) |
| Antarctica (5) | Anthony green heron=Butorides virescens anthonyi (1) | anthropology (31) |
| antimony (1) | Apple Creek (4) | Apple Creek Campground (1) |
| Apple Fire (1) | Applegate Creek (2) | Applegate River (2) |
| aquaculture (277) | aquaculture, (1) | aquaculture, bivalves, Coos Bay, molluscs, Netarts Bay, Pacific oyster = Crassostrea gigas, shellfish, South Slough, Tillamook Bay, Umpqua River estuary, Yaquina Bay (1) |
| aquatic ecosystems (3) | aquatic insects (9) | Aquatic invertebrate (1) |
| aquatic invertebrates (545) | aquatic invertebrates, (1) | aquatic mammals (7) |
| aquatic plants (3) | aquatic vegetation (194) | aquatic worms (1) |
| Aqueduct (1) | archeology (81) | Archie Creek (1) |
| Arctic beaches (1) | Arctic Circle (3) | Arctic hiatella = Hiatella arctica (4) |
| Arcturus formation (1) | Argentina (1) | Argue Creek (1) |
| Arizona (5) | Arkansas (9) | Arnold Creek (1) |
| Arrow goby = Clevelandia ios (4) | Arrow goby=Clevelandia ios (1) | Arroyo Hondo Formation (1) |
| arsenic (14) | arthropods (3) | Ash (5) |
| Ash Creek (2) | Ash flows (1) | Ashur Creek (1) |
| Asia (2) | Asian clam = Corbicula fluminea (1) | Asian clams = Corbicula fluminea (2) |
| Asian mud shrimp Upogebia major (1) | Assiminea parasitologica (1) | Asterionella species (1) |
| Astoria (3) | Astoria (Or.) (6) | Astoria (Or.), Garibaldi (Or.), Netarts Bay, Nehalem Bay, Siletz Bay, Newport (Or.), Depoe Bay, Alsea Bay, Florence (Or.), Winchester Bay, Charleston (Or.), Bandon, (Or.), economics, natural resource management, mathematical modeling, commercial fisheri (1) |
| Astoria (Or.), Seaside (Or.), Cannon Beach (Or.) (1) | Astoria Formation (1) | Atherinops affinis (oregonia) (1) |
| Atlantic salmon = Salmo salar (1) | Atylus tridens (1) | Austa (Or.) (1) |
| Austin (Or.) (1) | Austin Cr. (1) | Austin Creek (3) |
| Australia (8) | Austria (2) | Autolytus varius (1) |
| Axtel Creek (1) | Axtel Creek (Yachats) (1) | Ayer’s Lake (1) |
| Azalea (Or.) (3) | | |
