A type of climate characterized by insufficient moisture to support appreciable plant life. It is a climate of extreme aridity, usually of extreme heat, and of negligible rainfall. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)
A republic in southern Africa, between NAMIBIA and ZAMBIA. It was formerly called Bechuanaland. Its capital is Gaborone. The Kalahari Desert is in the west and southwest.
Any significant change in measures of climate (such as temperature, precipitation, or wind) lasting for an extended period (decades or longer). It may result from natural factors such as changes in the sun's intensity, natural processes within the climate system such as changes in ocean circulation, or human activities.
The geographical area of Africa comprising ANGOLA; BOTSWANA; LESOTHO; MALAWI; MOZAMBIQUE; NAMIBIA; SOUTH AFRICA; SWAZILAND; ZAMBIA; and ZIMBABWE.
Conferences, conventions or formal meetings usually attended by delegates representing a special field of interest.
Eating an excess amount of food in a short period of time, as seen in the disorder of BULIMIA NERVOSA. It is caused by an abnormal craving for food, or insatiable hunger also known as "ox hunger".
The longterm manifestations of WEATHER. (McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)
The unconsolidated mineral or organic matter on the surface of the earth that serves as a natural medium for the growth of land plants.
The presence of bacteria, viruses, and fungi in the soil. This term is not restricted to pathogenic organisms.
The cycle by which the element carbon is exchanged between organic matter and the earth's physical environment.
The gaseous envelope surrounding a planet or similar body. (From Random House Unabridged Dictionary, 2d ed)
A climate characterized by COLD TEMPERATURE for a majority of the time during the year.
Earth or other matter in fine, dry particles. (Random House Unabridged Dictionary, 2d ed)
The wounding of the body or body parts by branding, cutting, piercing (BODY PIERCING), or TATTOOING as a cultural practice or expression of creativity or identity.
The geographic area of the southwestern region of the United States. The states usually included in this region are Arizona, California, Colorado, Nevada, New Mexico, Texas, and Utah.
Using an INTERNET based personal journal which may consist of reflections, comments, and often hyperlinks.
A functional system which includes the organisms of a natural community together with their environment. (McGraw Hill Dictionary of Scientific and Technical Terms, 4th ed)
The protection, preservation, restoration, and rational use of all resources in the total environment.
The ceasing of existence of a species or taxonomic groups of organisms.
The pattern of any process, or the interrelationship of phenomena, which affects growth or change within a population.
A genus (and common name) in the AGAVACEAE family. It is known for SAPONINS in the root that are used in SOAPS.
The state of being retired from one's position or occupation.
The design, completion, and filing of forms with the insurer.
Increase in the temperature of the atmosphere near the Earth's surface and in the troposphere, which can contribute to changes in global climate patterns.