(a.) Northern; pertaining to the north, or to the north wind; as, a boreal bird; a boreal blast.
Example Sentences:
(1) The Polar Psychology Project brings together three organizations from Canada and Argentina to study human adaptation to the boreal and austral circumpolar environments.
(2) Mosquito-borne arboviruses are prevalent throughout subarctic regions of Canada and Alaska, principally in the boreal forest extending between latitudes 53 and 66 degrees N, but they have been identified in tundra regions as far north as 70 degrees N. All mosquito-borne agents have been bunyaviruses, comprising principally the snowshoe hare subtype of California encephalitis (CE) virus, but also Northway virus.
(3) Antifreeze production is seasonal in boreal species and is often initiated by environmental cues other than low temperature, particularly short day lengths.
(4) This trend is only like to deepen as heat extremes in central Europe grow stronger, while the boreal forests of Scandinavia experience less snow, river ice, and an increasing risk of winter storms and pest infestations.
(5) In the Atlantic, Boreal and Steppic (southern Moldova, Ukraine, Russia and western Kazakhstan in Europe), no forest ecosystems were found to be well-tended, although 80% of such habitats across Europe were also judged unfavourably.
(6) The effect of the accidental oil spill (250 tons) in a boreal archipelago (Gulf of Bothnia, Vaasa, Finland) on xenobiotic metabolism of local perch (Perca fluviatilis) was monitored for 1.5 years.
(7) When this became apparent, a comprehensive radioecological research programme was initiated in order to study the behaviour of radiocaesium in boreal and alpine ecosystems, with emphasis on food-chains leading to exposure of species used for human consumption, i.e., reindeer and freshwater fish.
(8) Ultimately, the occupation of the Western Hemisphere was a direct result of boreal cultural adaptations in the Old World.
(9) The high northern latitudes are warming more rapidly than other parts of the Earth, with climate models predicting a northward shift of Arctic vegetation that will see the boreal biome (coniferous forest across North America and Eurasia) migrate into what is currently tundra (treeless plains of the Arctic).
(10) But the ‘Boreal’ (Norway, Finland and the Baltics) and ‘Atlantic’ (UK, Western France, Denmark and Benelux countries) emerge as danger spots for biodiversity.
(11) Among the Cree-Ojibwa Indians in the subarctic boreal forest of northern Manitoba and Ontario, a high prevalence of clinical gallbladder disease (18.5% among women aged 20-64) was observed.
(12) The morphology of the optical part of the Enallagma boreale Selys compound eye remains unchanged during its post-embryonic development.
(13) Six strains of Jamestown Canyon virus in the California serogroup were isolated from three species of boreal Aedes in the Aedes communis group of the subgenus Ochlerotatus.
(14) Between 2011 and 2013 fires in the boreal forests of Canada and Russia accounted for almost a quarter of global forest losses.
(15) Strongholds include the boreal forests of northern Canada, Australia’s deserts and western woodlands, some lowland forests in Asia and parts of central Africa.
(16) Infections were restricted to alpine and montane regions in southwestern Alberta (97%) as well as boreal uplands of the Cypress Hills in southeastern Alberta (3%).
(17) Surrounded by boreal forest, it is one of the most spectacularly beautiful regions in Canada.
(18) If global warming is leading to more fires in boreal forests, which in turn leads to more emissions from those forests, which in turn leads to more climate change.
(19) Boreal forests are one of the world’s great carbon sinks.
(20) It would only feed the expansion of strip mining the boreal forests and wetlands for tar sands crude.
Meridional
Definition:
(a.) Of or pertaining to the meridian.
(a.) Having a southern aspect; southern; southerly.
Example Sentences:
(1) Preload (the diastolic diameter of the left ventricle) was within normal limits, while afterload (end-systolic meridional wall stress) was significantly decreased in the acromegalic group.
(2) When a meridional-size lens is used to provide magnification in the horizonal meridan for one eye the resulting stereopsis distortion is readily accounted for in the terms of the binocular disparity caused by changed angular relations.
(3) Acuity for the direction of drift for these stimuli is of the same order of precision as orientation acuity for static or drifting gratings, and exhibits a meridional anisotropy that favours the principal meridians.
(4) Intraoperative end-systolic meridional and circumferential stresses fell significantly in patients with aortic stenosis but remained unchanged in those with aortic regurgitation.
(5) Amblyopia was due to anisometropia in 24 cases (50%), strabismus in 9 cases (18.7%), high astigmatism (meridional) in 7 cases (14.5%) and other causes or a combination of factors in 8 cases (16.7%).
(6) On the optical diffraction patterns from isolated I-disks the meridional reflections measuring 38.5, 19.2, 12.8 nm are present.
(7) Contrast (modulation) sensitivities for gratings of various spatial frequencies and orientations have been determined for meridional amblyopes.
(8) Left ventricular end-systolic meridional wall stress (Ses) was then calculated.
(9) We conclude that the meridional anisotropy of orientation discrimination, which favours the vertical and horizontal is a result, in part, of the influence of non-visual mechanisms.
(10) From these data, meridional stress at end systole was calculated and stress-dimension and stress-shortening relations were derived; measurements of metabolic parameters were made simultaneously.
(11) The intensity changes observed in the low-angle meridional X-ray reflections from rat tail tendon, similarly treated, also can be explained by the presence of these bulky complexes.
(12) X-ray diffraction indicated that the original cross-beta peptide conformation remained unchanged; however, sulfate binding did produce an intense approximately 65 A meridional reflection not recorded with control peptides.
(13) Nevertheless, these features together with the behaviour of the equatorial reflections and the meridional region of the third myosin layer line indicate that a sizeable fraction of the crossbridges may become axially disposed with an actin based periodicity.
(14) The internal surface of the pars plicata and the anterior pars plana was characterized by regular meridional ridges and grooves in the younger age group but was irregular in older age group.
(15) LV pressure, meridional wall stress (sigman), wall thickness (h), and radius (R) were measured in each patient throughout the cardiac cycle.
(16) These connections are mediated by the tips of the meridional muscle.
(17) The term meridional amblyopia (MA) defines an amblyopia in one meridian, orthogonally to which the visual acuity is normal.
(18) Integral widths of the 14.3-nm meridional reflection measured along the meridian and of the equatorial 1,1 reflection remained almost constant during tension development, while that of the 1,0 reflection tended to decrease.
(19) Histological examination of the lens epithelium revealed that a marked disorganization of the meridional rows is associated with the opacity.
(20) The structural study reveals an asymmetric pseudo-octahedral N3O3 metal coordination sphere with meridional stereochemistry.