- umbrella effect
- 伞效应
Atmospheric Sciences (English-Chinese) dictionary. 2014.
umbrella effect
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Umbrella effect — An umbrella effect is the protection extended by the presence of an umbrella species to other species in the same habitat. The umbrella species is often either a flagship species whose conservation benefits other species [Sherman, 2002, 280.] or… … Wikipedia
Umbrella species — are species selected for making conservation related decisions. Species conservation can be subjective because it is hard to determine the status of many species. With millions of species of concern, the identification of selected keystone… … Wikipedia
Umbrella insurance — refers to a liability insurance policy that protects the assets and future income of the policyholder above and beyond the standard limits on their primary policies. It is distinguished from excess insurance in that excess coverage goes into… … Wikipedia
umbrella contract — This term is often used in the context of casual workers. An umbrella contract of employment describes an over arching contract which may be implied by conduct of the parties where there would otherwise be gaps between individual employment… … Law dictionary
umbrella tree — n. ☆ 1. an American magnolia (Magnolia tripetala) with clusters of long leaves at the ends of the branches, foul smelling white flowers, and reddish fruit 2. any of a number of other trees or shrubs whose leaves are umbrella shaped or grow with… … English World dictionary
Umbrella fund — An umbrella fund is an investment term used to describe a collective investment scheme which is a single legal entity but has several distinct sub funds which in effect are traded as individual investment funds. This type of arrangement… … Wikipedia
Effect of Hurricane Katrina on Tulane University — As a result of Hurricane Katrina and its effects on New Orleans, Tulane University was closed for the second time in its history mdash;the first being during the American Civil War. The university closed for four months during Katrina, as… … Wikipedia
umbrella species — /ʌmˈbrɛlə spisiz/ (say um breluh speeseez) noun Ecology a species chosen to be the subject of particular conservation efforts because the protection of that species will also have the effect of giving protection to co occurring species in the… …
Western Gray Squirrel — Taxobox name b = Western Gray Squirrel status = LC status system = iucn2.3 image width = 225px regnum = Animalia phylum = Chordata classis = Mammalia ordo = Rodentia familia = Sciuridae genus = Sciurus subgenus = Hesperosciurus subgenus authority … Wikipedia
Insect biodiversity — accounts for a large proportion of all biodiversity on the planet, with over 1,000,000 insect species described.AgricultureIn agricultural ecosystems, biodiversity is instrumentally important not only for the production of food, but for other… … Wikipedia
Jack Baker (activist) — Jack Baker (born Richard John Baker, 1942) is an early LGBT activist in the state of Minnesota. He is known for being a founding officer of the first LGBT student group in America and the first openly gay person elected as student body president… … Wikipedia
