X
Search Filters
Format Format
Subjects Subjects
Subjects Subjects
X
Sort by Item Count (A-Z)
Filter by Count
animals (5) 5
male (4) 4
bird diseases - epidemiology (3) 3
birds (3) 3
ducks (3) 3
female (3) 3
american black duck (2) 2
anas platyrhynchos (2) 2
anas rubripes (2) 2
animals, wild (2) 2
aythya valisineria (2) 2
bird diseases - microbiology (2) 2
canvasback (2) 2
ecological energetics (2) 2
energy-expenditure (2) 2
gallisepticum (2) 2
infections (2) 2
lung - microbiology (2) 2
mallard (2) 2
marine & freshwater biology (2) 2
mississippi river (2) 2
mycoplasma - isolation & purification (2) 2
mycoplasma anatis (2) 2
mycoplasma infections - epidemiology (2) 2
mycoplasma infections - veterinary (2) 2
mycoplasmas (2) 2
plant sciences (2) 2
prevalence (2) 2
survey (2) 2
taxidermic mounts (2) 2
trachea - microbiology (2) 2
united states - epidemiology (2) 2
vallisneria americana (2) 2
veterinary sciences (2) 2
waterfowl (2) 2
wild ducks (2) 2
zoology (2) 2
aerial locomotion (1) 1
air temperature (1) 1
air-temperature (1) 1
analysis (1) 1
anas strepera (1) 1
antibodies, bacterial - blood (1) 1
appraisal (1) 1
aquatic birds (1) 1
aquatic macrophytes (1) 1
aquatic plants (1) 1
assay (1) 1
atlantic states (1) 1
atrophy - veterinary (1) 1
avian mycoplasmas (1) 1
banks (1) 1
behavior (1) 1
biology (1) 1
boating (1) 1
boats (1) 1
body temperature (1) 1
body temperature regulation (1) 1
calibration (1) 1
carrier state - microbiology (1) 1
carrier state - veterinary (1) 1
cell count (1) 1
deer (1) 1
dependence (1) 1
discriminant analysis (1) 1
diving (1) 1
ducklings (1) 1
ducks - microbiology (1) 1
ducks - physiology (1) 1
ejaculation (1) 1
electric potential (1) 1
electricity (1) 1
elisa (1) 1
endangered species (1) 1
enzyme-linked immunosorbent assay (1) 1
enzyme-linked immunosorbent assay - veterinary (1) 1
fisheries (1) 1
fishes (1) 1
flight time (1) 1
flocks (1) 1
food (1) 1
freshwater ecology (1) 1
gadwall (1) 1
germination (1) 1
growth (1) 1
habitat (1) 1
heaters (1) 1
hydrocharitaceae (1) 1
hypertrophy - veterinary (1) 1
identification (1) 1
infertility, male - diagnosis (1) 1
infertility, male - veterinary (1) 1
instrumentation (1) 1
irradiance (1) 1
k de plant sciences (1) 1
k pi marine & freshwater biology (1) 1
lake (1) 1
lakes (1) 1
larval (1) 1
light (1) 1
more...
Language Language
Publication Date Publication Date
Click on a bar to filter by decade
Slide to change publication date range


Journal of Applied Ichthyology, ISSN 0175-8659, 04/2011, Volume 27, Issue 2, pp. 462 - 469
Summary Intensive management of the Missouri and Mississippi Rivers has resulted in dramatic changes to the river systems and their biota. These changes have... 
RECRUITMENT | FISHERIES | SCAPHIRHYNCHUS-PLATORYNCHUS | BEHAVIOR | MARINE & FRESHWATER BIOLOGY | MISSISSIPPI RIVER | POPULATIONS | PATTERNS | THREATENED FISHES | LOWER MISSOURI RIVER | LARVAL | FOOD | Rivers | Endangered species | Fishes | Analysis
Journal Article
Aquatic Botany, ISSN 0304-3770, 1997, Volume 58, Issue 1, pp. 1 - 9
Number, total biomass, and individual mass of winter buds of Vallisneria americana was significantly related to the depth of the 1% of surface irradiance (Z)... 
Irradiance | Growth | Wild celery | Vallisneria americana | Mississippi River | Winterbuds | K DE PLANT SCIENCES | wild celery | SUBMERSED AQUATIC MACROPHYTES | LIGHT | K PI MARINE & FRESHWATER BIOLOGY | PLANT SCIENCES | winterbuds | MARINE & FRESHWATER BIOLOGY | TIDAL POTOMAC RIVER | irradiance | growth
Journal Article
Resource Publication - US Fish & Wildlife Service, 1992, Volume 188
Journal Article
J. Wildl. Manage., 41(3), 360-373, (1977), 01/1977
Physiological condition of breeding female American eiders (Somateria mollissima dresseri) was studied on islands in Penobscot Bay, Maine, from 1973 to 1975.... 
Journal Article
Fish & Wildlife Technical Report - US Fish & Wildlife Service, 1988, Volume 19
Journal Article
Wildlife Society Bulletin (1973-2006), ISSN 0091-7648, 10/1985, Volume 13, Issue 3, pp. 290 - 296
Journal Article
Canadian Journal of Botany, ISSN 0008-4026, 12/1995, Volume 73, Issue 12, pp. 1966 - 1973
Vallisneria americana declined in backwaters of the Upper Mississippi River, U.S.A., after a drought in 1988. To determine whether viable seeds of V. americana... 
germination | HYDROCHARITACEAE | seeds | light response | BANKS | aquatic macrophytes | LAKE | NAJAS-MARINA L | PLANT SCIENCES
Journal Article
Journal of Wildlife Diseases, ISSN 0090-3558, 04/1978, Volume 14, Issue 2, pp. 254 - 258
Outbreaks of avian cholera (Pasteurella multocida) occur frequently in common eiders (Somateria mollissima dresseri) in Maine during early summer. Studies over... 
Pasteurella Infections - microbiology | Maine | Carrier State - microbiology | Bird Diseases - epidemiology | Birds | Male | Ducks | Pasteurella Infections - veterinary | Carrier State - veterinary | Animals | Pasteurella Infections - epidemiology | Female | Bird Diseases - microbiology | Pasteurella - isolation & purification
Journal Article
Journal of Thermal Biology, ISSN 0306-4565, 2001, Volume 26, Issue 6, pp. 595 - 604
Journal Article
No results were found for your search.

Cannot display more than 1000 results, please narrow the terms of your search.