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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) |