- 行业: Government
- Number of terms: 30456
- Number of blossaries: 0
- Company Profile:
NOAA Coral Reef Conservation Program, National Oceanic and Atmospheric Administration, U.S. Department of Commerce
Pertaining to the roof of a structure, e.g. The top of the head or brain.
Industry:Natural environment
Taxa in danger of extinction and whose survival is unlikely if causal factors continue operating. Included are taxa whose numbers have been drastically reduced to a critical level or whole habitats have been so drastically impaired that they are deemed to be in immediate danger of extinction. Also included are those that possibly are already extinct, in so far as they have not been seen in the wild in the past 50 years.
Industry:Natural environment
The female gamete-producing reproductive organ in red algae, consisting of a single cell and its extension, the trichogyne.
Industry:Natural environment
The process of ovum (egg) development in female animals, in which the diploid number of chromosomes is reduced by half to the haploid number in the ovum.
Industry:Natural environment
The way a population naturally reproduces or replenishes itself .
Industry:Natural environment
REEF is a grass-roots, non-profit organization of recreational divers who regularly conduct fish biodiversity and abundance surveys during their dives.
Industry:Natural environment
A class of satellite operated by NOAA, positioned in a nearly stationary orbit over the equator at an altitude of about 22,500 miles. GOES-8 is currently the operational "east" spacecraft at 75 degrees West longitude, while GOES-10 is the "west" spacecraft located at 135 degrees West. GOES-11 is in standby at 110 degrees West.
Industry:Natural environment
A gelatinous material extracted from the walls of some red algae, mainly species of Gelidium and Gracilaria. Agar is used as a support medium, when supplemented by appropriate buffers and/or nutrients and other ingredients, for cultures of microrganisms and tissues, electrophoresis, etc.
Industry:Natural environment
A metal having a specific gravity of 5.0 or greater. Heavy metals are generally toxic to organisms in relatively low concentrations, and tend to accumulate in the food web. Examples include arsenic, cadmium, chromium, lead, and mercury .
Industry:Natural environment
A regional ecotype (a population adapted to a restricted habitat as a result of natural selection within a local environment) .
Industry:Natural environment
