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EFMS Environment
Vocab from our final unit of the year.
Term | Definition |
---|---|
population | all the organisms of the same species that live in the same area at the same time |
carrying capacity | the largest number of individuals of a given species that Earth’s resources can support and maintain for a long period of time |
desertification | the development of desert-like conditions due to human activities and/or climate change |
urban sprawl | the development of land for houses and other buildings near a city |
deforestation | the removal of large areas of forest for human purposes |
reforestation | process of planting trees to replace trees that have been cut or burned down |
reclamation | a process in which mined land must be recovered with soil and replanted with vegetation |
runoff | the portion of precipitation that moves over land and eventually reaches streams, rivers, lakes, and oceans |
point-source pollution | pollution from a single source that can be identified |
nonpoint-source pollution | pollution from several widespread sources that cannot be traced back to a single location |
global warming | an increase in the average temperature of Earth’s surface |
greenhouse gas | a gas in the atmosphere that absorbs Earth’s outgoing infrared radiation |
sustainability | conserving natural resources in order to maintain ecological balance |
ecology | a branch of biology that studies how organisms interact with their environment |
Earth’s systems (spheres) | atmosphere, geosphere, hydrosphere, biosphere, anthroposphere |
positive feedback loop | a system where once it gets out of balance, continues to get farther away from balanced |
albedo | the amount of incoming sunlight that is reflected |
landfill | a place where trash is buried in the ground |
ecological footprint | compares how many resources people use to how quickly Earth can replace those resources |
Earth overshoot day | the day when we’ve used up more resources than the Earth can replace in one calendar year. (8/2/2017) |