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Polar ecology is the relationship between plants and animals in a polar environment. Polar environments are in the Arctic and Antarctic regions. Arctic regions are in the Northern Hemisphere , and it contains land and the islands that surrounds it.
A snowy landscape of Inari located in Lapland A polar bear with cub. On Earth, the only continent where the ice cap polar climate is predominant is Antarctica. All but a few isolated coastal areas on the island of Greenland also have the ice cap climate. Summits of many high mountains also have ice cap climate due to their high elevation.
Polar meteorology is the study of the atmosphere of Earth's polar regions. Surface temperature inversion is typical of polar environments and leads to the katabatic wind phenomenon. The vertical temperature structure of polar environments tends to be more complex than in mid-latitude or tropical climates.
Lighting design in healthcare environments is a major factor in creating healing situations. Since the design of healthcare environments is said to influence patient's outcomes, yet high costs prevent most hospitals from renovating or rebuilding, changes in lighting becomes a cost-effective way to improve existing environments.
She stated in her nursing notes that nursing "is an act of utilizing the environment of the patient to assist him in his recovery" (Nightingale 1860/1969), [3] that it involves the nurse's initiative to configure environmental settings appropriate for the gradual restoration of the patient's health, and that external factors associated with the patient's surroundings affect life or biologic ...
This phenomenon is now known as Polar Mesospheric Clouds. The general seasonal characteristics of polar mesospheric clouds are well established from the five years of continuous SME data. Over that period, data for four cloud ‘seasons’ in the north, and five 'seasons' in the south were recorded.
Polar seas is a collective term for the Arctic Ocean (about 4-5 percent of Earth's oceans) and the southern part of the Southern Ocean (south of Antarctic Convergence, about 10 percent of Earth's oceans). In the coldest years, sea ice can cover around 13 percent of the Earth's total surface at its maximum, but out of phase in the two hemispheres.
Animals found in the extreme polar environments depend on the high bacterial production as a food source, despite the slow turnover of DOM. [25] The microbial production of ammonium in nitrate-rich Antarctic waters may provide the necessary reductants for nitrogen fixation, increasing primary productivity of light-limited phytoplankton. [ 25 ]