Definition and meaning of Type I error:

Type I error - the error of rejecting the null hypothesis when it is true

(Source: US National Oceanic and Atmospheric Administration (NOAA) )

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Definition and meaning of IUCN Categories I-VI:

IUCN Categories I-VI - in the IUCN classification system for protected areas, Categories refer to higher levels of protection: Category I - Strict Nature Reserve/Wilderness Area: protected area managed mainly for science or wilderness protection; Category la - Strict Nature Reserve: protected area managed mainly for science; Category Ib - Wilderness Area: protected area managed mainly for wilderness protection; Category II - National Park: protected area managed mainly for ecosystem protection and recreation; Category 111 - Natural Monument: protected area managed mainly for conservation of specific natural features; Category IV - Habitat/Species Management Area: protected area managed mainly for conservation through management intervention; Category V - Protected Landscape/Seascape: protected area managed mainly for landscape/seascape conservation and recreation; Category VI - Managed Resource Protected Area: protected area managed mainly for the sustainable use of natural ecosystems

(Source: US National Oceanic and Atmospheric Administration (NOAA) )

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Definition and meaning of infrasonic:

infrasonic - sound waves that have a frequency that is lower than what humans can hear (i.e. below about 20 hertz). Some baleen whales and elephants produce infrasounds to communicate over long distances

(Source: US National Oceanic and Atmospheric Administration (NOAA) )

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Definition and meaning of infauna:

infauna - animals that inhabit the sandy or muddy surface layers of the ocean bottom, i.e., those that live buried or dig into the substrate

(Source: US National Oceanic and Atmospheric Administration (NOAA) )

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Definition and meaning of ionizing radiation:

ionizing radiation - high-energy radiation capable of producing ionization in substances through which it passes, i.e., radiation that has enough energy to eject electrons from electrically neutral atoms, leaving behind charged atoms or ions; examples are alpha particles (helium nuclei), beta particles (electrons), neutrons, and gamma rays (high frequency electromagnetic waves, x-rays)

(Source: US National Oceanic and Atmospheric Administration (NOAA) )

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Definition and meaning of insular area:

insular area - a jurisdiction that is neither a part of one of the several States nor a Federal district. This is the current generic term to refer to any commonwealth, freely associated state, possession or territory or Territory and from July 18, 1947, until October 1, 1994, the Trust Territory of the Pacific Islands. Unmodified, it may refer not only to a jurisdiction which is under United States sovereignty but also to one which is not, i.e., a freely associated state or, 1947-94, the Trust Territory of the Pacific Islands or one of the districts of the Trust Territory of the Pacific Islands

(Source: US National Oceanic and Atmospheric Administration (NOAA) )

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Definition and meaning of impact:

impact - a change, caused by external sources, in the chemical, physical (including habitat) or biological quality or condition of a habitat or environment

(Source: US National Oceanic and Atmospheric Administration (NOAA) )

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Definition and meaning of imperforate corals:

imperforate corals - corals which have solid skeletons with no connections between the polyps

(Source: US National Oceanic and Atmospheric Administration (NOAA) )

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Definition and meaning of impermeable:

impermeable - having the property of restricting the passage of substances across a membrane

(Source: US National Oceanic and Atmospheric Administration (NOAA) )

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Definition and meaning of imposex:

imposex - the imposition of male characteristics on female organisms, as caused by some pollutants. For example, a pseudo-hermaphroditic condition in female gastropods (development of a false penis) caused by tributylin (TBT), a biocide used in anti-fouling paints

(Source: US National Oceanic and Atmospheric Administration (NOAA) )

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Definition and meaning of imprimis:

imprimis - in the first place

(Source: US National Oceanic and Atmospheric Administration (NOAA) )

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Definition and meaning of in adnot.:

in adnot. - in an annotation (in adnotatio)

(Source: US National Oceanic and Atmospheric Administration (NOAA) )

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Definition and meaning of in hospite:

in hospite - within the host

(Source: US National Oceanic and Atmospheric Administration (NOAA) )

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Definition and meaning of in litt.:

in litt. - in correspondence or communicated in writing; used for an unpublished source of information (in litteris)

(Source: US National Oceanic and Atmospheric Administration (NOAA) )

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Definition and meaning of in situ:

in situ - in the natural or original position

(Source: US National Oceanic and Atmospheric Administration (NOAA) )

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Definition and meaning of in situ data:

in situ data - measurements made at the actual location of the object or material measured, in contrast to remote sensing

(Source: US National Oceanic and Atmospheric Administration (NOAA) )

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Definition and meaning of ichnotaxon:

ichnotaxon - a taxon based on the fossilized work of an animal, including fossilized trails, burrows, and tubes

(Source: US National Oceanic and Atmospheric Administration (NOAA) )

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Definition and meaning of ichthyo-:

ichthyo- - pertaining to fishes

(Source: US National Oceanic and Atmospheric Administration (NOAA) )

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Definition and meaning of ichthyochory:

ichthyochory - the dispersal of plant seeds or spores by fishes

(Source: US National Oceanic and Atmospheric Administration (NOAA) )

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Definition and meaning of ichthyology:

ichthyology - the scientific study of fishes

(Source: US National Oceanic and Atmospheric Administration (NOAA) )

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