Gaia Theory


Gaia Theory is a compelling new way of understanding life on our planet. The theory asserts that living organisms and their inorganic surroundings have evolved together as a single living system that greatly affects the chemistry and conditions of Earth’s surface.

Ecological Footprint

Your ecological foot print is the impact of a person or community on the environment, expressed as the amount of land required to sustain their use of natural resources, their lifestyle.


Calculate your Ecological Footprint here

Hydrologic Cycle


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Carbon Cycle

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Nitrogen Cycle

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Succession

First succession



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Food Webs

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Ecotones


An ecotone is a border zone, where ecological systems meet and mingle, sometimes forming a new and different community of species.

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Organization of levels

Individual : one member of species
Population: all members of species in an area
Community: all populations of organisms in area
Ecosystem: living community & it’s physical env. functioning together as an independent system
Biome: a major regional community, that is characterized by the plant life and climate (desert)
Biosphere: the portion of the earth where life exists

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Resources

Visit our Library for a list of recommended books, videos, articles, and websites.
http://www.esa.org/esablog/about/ecotone-explained/