EESC 101 Ch 11 Forests || with Complete Solutions.
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EESC 101 Ch 11 Forests
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EESC 101 Ch 11 Forests
1) What are forests:
2) They cover ___% of earth's landmass and are home to ___% of earth's terrestrial life and ___% of its green, photosynthesizing leaves. correct answers 1) Forests are biomes dominated by trees. (High rainfall)
2) They currently cover about 30% of the planet's landmass but, t...
EESC 101 Ch 11 Forests || with Complete Solutions.
1) What are forests:
2) They cover ___% of earth's landmass and are home to ___% of earth's terrestrial life and ___
% of its green, photosynthesizing leaves. correct answers 1) Forests are biomes dominated by
trees. (High rainfall)
2) They currently cover about 30% of the planet's landmass but, thanks to their sheer
concentration of biodiversity, are home to more than 50% of Earth's terrestrial life and more than
60% of its green, photosynthesizing leaves.
Boreal Forests:
1) What defines them? (3)
2) What are they characterized by? (2) correct answers boreal forests: Coniferous forests found at
high latitudes and altitudes characterized by low temperatures and low annual precipitation.
Temperate Forests:
1) Where are they found? (3)
2) What may it include? correct answers temperate forests: 1) Found in areas with four seasons
and a moderate climate, receive 750-1500 millimetres of precipitation per year,
2) and may include conifers and/or hardwood deciduous trees (lose their leaves in the winter).
Tropical Forests: correct answers tropical forests: Found in equatorial areas with warm
temperatures year-round and high rainfall; some have distinct wet and dry seasons but none has a
winter season.
soils are thin and acidic, organic material is quickly used
4 layers of forest correct answers Most forests consist of four distinct layers.
1) Emergent Layer
2) Canopy
3) understory layer
4) forest floor
Conopy correct answers canopy: Upper layer of a forest formed where the crowns (tops) of the
majority of the tallest trees meet.
emergent correct answers emergent: The region where a tree that is taller than the canopy trees
rises above the canopy layer.
understory correct answers understory: The smaller trees, shrubs, and saplings that live in the
shade of the forest canopy.
forest floor correct answers forest floor: The lowest level of the forest, containing herbaceous
plants, fungi, leaf litter, and soil.
, stormwater runoff correct answers stormwater runoff: Water from precipitation that flows over
the surface of the land.
How much carbon does the forest store? correct answers forests as a whole store more carbon in
their biomass, litter, and soil than all the carbon in the atmosphere, making this biome one of the
world's largest carbon sinks
Carbon sinks? correct answers carbon sinks: Places such as forests, ocean sediments, and soil,
where accumulated carbon does not readily reenter the carbon cycle.
How has deforestation changed?
-rate
-net increase/decrease correct answers global deforestation has slowed considerably, from 9
million hectares (ha) per year in the 1990s down to 5.2 million ha in the year 2000, but the planet
still has a net loss of forested land every year.
3 causes of deforestation: correct answers 3 causes of deforestation: The harvesting of forests for
wood and wood products, the conversion of forests into agricultural land, and urbanization.
Where does deforestation occur at the greatest rate? correct answers deforestation occurs at a
greater rate in developing countries like Haiti,
In Canada, ___% of forests are privately owned and ___% publicly owned.
Provincial and Territorial correct answers In Canada, 7% of forests are privately owned, and
93% publicly owned.
Provincial/territorial governments manage 83% of public forests, while the federal government
has management jurisdiction over the other 17%.
sustainable forest management: correct answers sustainable forest management: a forest
management approach that blends ecosystem conservation with economic and social purposes.
National Forest Strategy: correct answers National Forest Strategy: Canada's plan to incorporate
economic, social, and ecological principles into forest management.
Maximum sustainable yeild correct answers maximum sustainable yield (MSY): Harvesting as
much as is sustainably possible for the greatest economic benefit.
In 1992, Canada comitted to "sustainable forest management", this means recognizing the
______________. correct answers In 1992, Canada committed to "sustainable forest
management" as part of a National Forest Strategy. This approach recognizes the non-timber
values of forests
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