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30 Cards in this Set
- Front
- Back
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Digested
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Molecular bonds broken
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Forests
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An ecosystem with a high density of trees & occupies around 31% of earth’s land surface
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Forests Biomes
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Dominant plant type and vegetation differ due to soil and climate
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Boreal – big %
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Which forest biome occupies the biggest percentage?
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Soil Structure
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Composed of sands, silts, or clays bound together with organic matter
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Uses plants to decontaminate
Different strategies Based on basic water movement |
What are 3 characteristics of Phytoremediation?
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Deforestation
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Clearing and loss of forests
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Primary forest
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Few natural trees left
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Secondary forest
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Regrowth
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Concession
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Right to extract a resource
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(WRI) World resource institute
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Promotes secondary forest harvest & Protects primary and conserved areas?
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Private lands
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Where does most timber harvesting occur?
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Clear-cutting
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All trees are cut at once?
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Plantations
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Monoculture of trees (like timber)
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Roadless Rule
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31% of forests off limits
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Wildland-urban interface
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residential development on forest edges
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Prescribed Burns
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Intentional burns under carefully controlled conditions
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Salvage logging
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removal of dead trees after disturbance
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Edge Effects
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organisms that thrive near the edge of habitats may be vulnerable
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Renewable Resource
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Source that is consumed at a sustainable rate
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Hotspots
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Areas targeted for timber harvest of the countries primary forest in developing nations
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Loss of biodiversity
Worsen climate change |
What are 2 impacts that deforestation causes?
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Germination
Suppress invasive species Suppress bigger fires |
What are 3 fire benefits?
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Design
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Type of fragmentation in which proximity to other fragments and corridors help
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Medicine
Dye Fiber Food from forest organisms Fuel Construction Paper |
What are 7 characteristics of how forests have market value?
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Improves movement of gas, water, nutrients
Holds them too Prevents flooding |
What are 3 characteristics of how forests help soil?
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Promotes specialist
Indicates habitat stability Rich biodiversity |
What are 3 characteristics of how Ecological Complexity benefits forests?
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Core area+ Buffer Zone+ Transitional Zone
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What are 3 components of the biosphere reserves?
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Forest Stewardship Council
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Sustainable Forest Certification was granted by?
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Clear-cut
Selection system |
In harvesting timber, what are 2 strategies for diversity?
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