Chapter 7 Humans & Global Change

anthrome
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Terms in this set (15)
anthrome
globally significant ecological region created by long-term interactions between humans and ecosystems
ecological footprint
total amount of functioning ecosystem needed both to provide the resources a human population uses and to absorb the wastes that population generates
climate change
measurable long-term changes in averages of temperature, clouds, winds, precipitation, and the frequency of extreme weather events such as floods, major storms, and heat waves
global warming
increase in the average temperatures on Earth
deforestation
the cutting down and clearing away of trees and forests
Monoculture
farming strategy in which large fields are planted with a single crop, year after year
invasive species
a non-indigenous or non-native species that threatens ecosystems, habitats, or other species
pollutant
harmful material that can enter the biosphere through the land, air, or water
ozone layer
atmospheric layer in which ozone gas is relatively concentrated; protects life on Earth from harmful ultraviolet rays in sunlight
smog
gray-brown haze formed by a mixture of chemicals
Bio magnificationThe increasing concentration of a substance, such as a toxic chemical, in the tissues of organisms at successively higher levels in a food chain.renewable resourceA natural resource that can be replaced at the same rate at which the resource is consumedNon-renewable resourcesa resource that cannot be reused or replaced easily (ex. gems, iron, copper, fossil fuels)resiliencethe ability to recover after a disturbance; the ability to deal with change and move onsustainable developmentusing resources in ways that preserve ecosystem services