(a.) Pertaining to water; growing in water; living in, swimming in, or frequenting the margins of waters; as, aquatic plants and fowls.
(n.) An aquatic animal or plant.
(n.) Sports or exercises practiced in or on the water.
Example Sentences:
(1) In a number of bacteriological drinking water analyses, this property was confirmed insofar as aquatic myxobacteria could regularly be demonstrated when inspecting hygienically deficient wells or springs.
(2) While the combined O2 uptake changed by a factor of 2, within the weight range under study, the aquatic O2 uptake changed 8-fold within the same range.
(3) Heavy metals are well known pollutants in the aquatic environment.
(4) In contrast to widespread distribution of PCBs in the environment, PCT residues were seldom found in samples from aquatic environments such as water and sludge and waterfowl and fish, and, if found, the levels of PCTs were so low as to be practically negligible.
(5) Neither the stock cultures nor the aquatic strains were capable of growth in autoclaved river water taken above the sewage outfall at the three temperatures tested.
(6) Hydrotherapy is based on several important bioengineering principles that permit the design and development of aquatic exercise devices, techniques and programs.
(7) Using zoospore capture technique, 361 colonies of aquatic freshwater fungi were recovered from sewage effluents, out of which 341 reached sexual maturity.
(8) Based on this concern, the objectives of this study were to: (1) compile, review, and synthesize literature on the fate, persistence, and environmental concentrations of DFB in both freshwater and saltwater environments; (2) compile, review, and synthesize acute and chronic aquatic toxicity data on DFB effects on freshwater and saltwater organisms; (3) assess possible risk to aquatic biota associated with the use of this insecticide in one specific area (Maryland); and (4) recommend future research based on the data gaps identified from this study.
(9) Monthly mean concentrations of dieldrin in river water and most aquatic organisms were highest in June and July, soon after aldrin had been applied to corn land in the watershed.
(10) Thus, the fern bioassay may be an inexpensive means of detecting both chronic low dose and episodic high dose inputs of mutagenic pollutants into aquatic ecosystems.
(11) Concentration factors of strontium-90 in aquatic organisms and substrates are higher in a dystrophic lake than in the other types.
(12) A minimal kinetic scheme is derived, in which a transient monodentate DNA-platinum(II) adduct is formed in a bimolecular reaction between DNA and aquated platinum(II) compounds.
(13) The substances released by algae in the profundal are taken up by aquatic bacteria which explains the lower release and PER measured.
(14) Eggs contained first-stage larvae in 23-26 days at 25 C. Seven species of aquatic oligochaetes were exposed experimentally to eggs of E. tubifex containing first-stage larvae.
(15) A gas-liquid chromatographic (GLC) method is described for determining residues of Bayer 73 (2-aminoethanol salt of 2',5-dichloro-4'-nitrosalicylanilide) in fish muscle, aquatic invertebrates, mud, and water by analyzing for 2-chloro-4-nitroaniline (CNA), a hydrolysis product of Bayer 73.
(16) The oral communications and posters were divided into five subsections, covering systematics at supraspecific, specific and subspecific levels, evolution, and life cycles of parasites with hosts in both aquatic and terrestrial environments.
(17) Their stabilities were studied in water and the influence of chloride anions, pH, temperature and time was discussed and rate constants of the aquation reactions at different conditions were calculated.
(18) Since sediments from the habitats occupied by the fish in this study have been shown to contain multiple hepatocarcinogens, the findings strengthen cumulative evidence that English sole are useful as indicators of exposure to hepatocarcinogens in aquatic environments.
(19) Aquatic plants are notoriously difficult to study systematically due to convergent evolution and reductionary processes that result in confusing arrays of morphological features.
(20) Tryptic peptide comparisons of 125I-labeled virion proteins showed that five viruses are different from each other, although there was considerable overlap in the peptide maps of the three aquatic viruses, indicting a degree of relatedness.
Otter
Definition:
(n.) Any carnivorous animal of the genus Lutra, and related genera. Several species are described. They have large, flattish heads, short ears, and webbed toes. They are aquatic, and feed on fish. Their fur is soft and valuable. The common otter of Europe is Lutra vulgaris; the American otter is L. Canadensis; other species inhabit South America and Asia.
(n.) The larva of the ghost moth. It is very injurious to hop vines.
(n.) A corruption of Annotto.
Example Sentences:
(1) The value of faecal analysis in assessing metal burdens during surveys of otters is discussed.
(2) Otters and sea eagles, which have made successful returns to waterways in recent years, would suffer as fish stocks dropped, for example.
(3) Leishmaniasis exist in two forms: One like bottom of orient with only skin alteration called leishmaniasis andina (uta for the indians), its propagated in the coast and the andean valleys at 200 m. (amount 1,200 to 3,000); the otter form affects the mycosis, called leishmaniasis americana (espundia for the indians), its it propagates general in the virgin forest.
(4) In the first year (1984) of a reintroduction study, 10 American river otters (Lutra canadensis) from Louisiana were transported to Oklahoma, held for 5 days for clinical evaluation, surgical implantation with intra-abdominal radiotelemetry devices, and then released in Oklahoma.
(5) The other otters have not changed their behavior following Logan’s death, the zoo said.
(6) Clinical and pathological observations of a naturally occurring disease in a British wild otter (Lutra lutra) are reported.
(7) Studies have been made on the peroxidase activity of metmyoglobins in animals from various ecological groups--the horse Equus caballus, cattle Bos taurus, beaver Castor fiber, otter Lutra lutra, mink Mustela vison and dog Canis familiaris.
(8) crescens) was demonstrated as the causative agent in 5 cases of disease-in the badger (Meles meles), the otter (Lutra lutra) and the fox (Vulpes vulpes).
(9) An “unauthorized” pair of pants in an otter enclosure at the Calgary zoo has brought disciplinary action onto two employees, who were blamed for the death of a 12-year-old otter called Logan.
(10) In England, beavers are back on the river Otter , and otters on the river Trent.
(11) Photograph: PR We followed her advice, walking down to the stream in search of terrapins and otters, or through clusters of cork oak trees, their branches hairy with lichen like the ancient trees of a fairytale forest.
(12) Facebook Twitter Pinterest Come spring otters will hunt the vulnerable baby beaver kits.
(13) While we sat on the shore eating our lunch we watched the otter tucking into a butterfish with the same enthusiasm – and completely oblivious to our presence.
(14) In conclusion, before a causal link can be drawn between the status of mink and otter populations and exposure to organochlorine chemicals from the Great Lakes, a large amount of research and data analysis needs to be undertaken.
(15) The classic tale Tarka the Otter was written 90 years ago and my daughter and I thought we’d experience for ourselves some of the places author Henry Williamson brought so vividly to life.
(16) They are incredibly industrious animals and their hard work has benefits for people and wildlife.” There have been sightings of beavers on the Otter for the last decade.
(17) And in November an otter managed a "perilous" three-mile swim to the Farne Islands off the coast of Northumberland for the first time on record.
(18) Keep your eyes peeled for Spawning salmon or sea trout, kingfishers or dippers, or even an otter or a seal in the river.
(19) Clinical evaluation indicated that respiratory tract disease, bacterial and parasitic infections, and inanition may have contributed to the death of these otters.
(20) The origin of major functional shifts from changes in a small fraction of the genome is illustrated by polar bears, sea otters, warblers, vultures, and especially by humans.