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Environmental Science

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APES Chapter 10 Terms

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biodiversity hotspots an idea first proposed in 1988 by environmental scientist Norman Myers. These ?ecological arks? are areas especially rich in plant species that are found nowhere else and are in great danger of extinction. deforestation the temporary or permanent removal of large expanses of forest for agriculture, settlements, or other uses. ecological restoration the process of repairing damage caused by humans to the biodiversity and dynamics of natural ecosystems. old-growth forest an uncut or regenerated primary forest that has not been seriously disturbed by human activities or natural disasters for 200 years or more. overgrazing occurs when too many animals graze for too long and exceed the carrying capacity of a rangeland area.

Biodiversity

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http://www.conservation.org/where/priority_areas/hotspots/asia-pacific/Mountains-of-Southwest-China/Pages/biodiversity.aspx Geographic boundaries from mountains and valleys create "mini-hotspots" with distinct populations PLANTS: Arguably the most botanically rich temperate area in the world Roughly 12,000 plant species (40% of all plant species in China) From website: "About 3,500 species (29 percent) and at least 20 genera are endemic, including about 100 endemic ferns and 20 endemic gymnosperms. Two plant families are endemic to the hotspot: the Circaeasteraceae and the monotypic Acanthochlamydaceae." More than a quarter of the world's rhododendron species represented in the forests, about 230 species Some of these rhododendrons can grow to over 20 meters tall

over population

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Overpopulation: The World's Problem by Vince Busam English 12 Period 2 Bradburn 11 December, 1995 The world's population will soon reach a level where there will not be enough resources to sustain life as we know it. Growth must be checked to avoid this catastrophe. Many environmental, social, and economic problems either stem from or are increased in magnitude by the overpopulation problem. With an exponentially increasing population, the problems created by overpopulation grow correspondingly. To ensure population stability not only in the increasingly wealthy third-world areas, but also in the industrialized areas, countries and individuals must work together to achieve zero population growth.

Living in the Environment 16th Edition Chapter Review and Vocabulary

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Living in the Environment : Concepts, Connections and Solutions Miller and Spoolman 16th Edition Practice Questions: Chapters 1-25 2009 - 2010

Vocabulary

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Environmental Science Vocabulary ? Living Things in the Environment & Populations organism - a living thing habitat - an environment that provides the things an organism needs to live. biotic factor - a living part of an organism?s habitat. i.e. grass, plants, seeds, fruit, worms, bacteria, other animals abiotic factor - a non-living part of an organisms habitat. i.e. water, sunlight, oxygen, temperature, soil photosynthesis - the process in which plants use water along with sunlight and carbon dioxide to make their own food. species - a group of organisms that are physically similar and can produce offspring. population - all the members of one species in a particular area. The ?count? of one species in an area.

System Measurement

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Energy and Climate Change Systems of Measurement: * USCS: (formerly the British System) The system used in the U.S. consisting of feet, pounds, and seconds. ?*The Metric System: meters, kilograms, and seconds. ?* Fundamental Units: length, mass, and time. System Length Mass Time SI (mks) Meter Kilogram Second SI(cgs) Centimeter Gram Second USCS (fps) Foot Slug Second Work and Energy System Force = Mass x Acceleration SI (mks) Newton Kg m/s^2 SI (cgs) Dyne Gram Cm/s^2 USCS (fps) Lb Slug Ft/s^2 *Work: force multiplied by the distance through which the force acts. The Newton *(N) The SI unit of force. 1 N = 0.225 lbs The Joule (J) Amount of work done by a force of one newton acting through a distance of one meter.

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