Download e-book for kindle: A Dictionary of Ecology (Oxford Paperback Reference) by Michael Allaby

By Michael Allaby

ISBN-10: 0192800787

ISBN-13: 9780192800787

From acid rain, CFC's, and the greenhouse impression to the food-chain and the gene financial institution, Oxford's completely revised Dictionary of Ecology, moment version offers 5,000 updated entries on all features of ecology and the environmental sciences. providing direct entry to the main actual and up to date details on hand, the dictionary covers an enormous diversity of matters, from plant and animal body structure, animal habit, evolution, environmental pollutants, and conservation to climatology, meteorology, geomorphology, and oceanography. The Dictionary of Ecology, moment variation, has been absolutely up to date to include advancements during this swiftly evolving box, relatively within the parts of molecular ecology, conservation, and the administration of habitats. additionally integrated are biographical notes on eminent ecologists and different scientists, in addition to necessary cross-references that make this quantity a useful reference software for college students, execs, and an individual with an curiosity within the wildlife and our surroundings.

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The equatorial easterlies, the prevailing westerlies over middle latitudes, and the *trade winds). diurnal 1. During daytime (as opposed to nocturnal), as applied to events that occur only during daylight hours or to species that are active only in daylight. 2. At daily intervals, as applied to such daily rhythms as the normal pattern of waking and sleeping, leaf or flower opening and closing, or the characteristic rise and fall of temperature associated with the hours of light and darkness. See also CIRCADIAN RHYTHM.

E. unsaturated) air cools when rising adiabatically through the atmosphere as a result of the utilization of energy in expansion. 8ºC/km. See also INSTABILITY; SATURATED ADIABATIC LAPSE RATE; and STABILITY. Dryas Part of the characteristic threefold late-glacial sequence of climatic change and associated deposits following the last (*Devensian) ice advance and prior to the onset of the markedly warmer conditions of the current (*Flandrian) *interglacial. g. tree birches. The colder Dryas phases mark times of cold.

Duricrust A weathered soil deposit, found especially in subtropical environments, which may ultimately develop into a hardened mass. A range of types occurs, each distinguished by a dominant mineral. Ferricrete and alcrete are dominated by sesquioxides of iron and aluminium respectively, silcrete by silica, and *caliche (calcrete) by calcium carbonate. See also DURIPAN. du Rietz. Gustaf Einar (1895-1967) A Swedish ecologist, who, in 1934, became professor of plant ecology at the Univer < previous page < previous page page_132 page_133 next page > next page > Page 133 sity of Uppsala.

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