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GEOGRAPHY AND SOIL
NORTHWESTERN
CONIFEROUS FOREST
• It is located on the pacific coast of northwestern
United States and Canada.
• Its from northern California to Alaska.
• It has rocky acidic soils.
BY : NICOLE, SARAH, KELLODI, MASON
BIOTIC FACTORS
• Dominant plants: Douglas fir, Sitka spruce, western
hemlock and redwood.
BIOTIC FACTORS
• Dominant animals: Bears, elk, deer, beavers, owls,
bobcats and weasels.
Bears
Douglas fir
Western Hemlock
Sitka Spruce
Redwood
BIOTIC FACTORS
• Food web:
Owl
Elk
Bobcat
Deer
Weasels
BIOTIC FACTORS
• Competition: Spruce, pine and cedar compete for
space and sunlight.
• Mutualism: occurs in our biome when the bear, in
some cases helps disperse (spread) the seeds. And,
in return the plants feed the bear.
• Parasitism: Moss and mistle toe take shelter and
nutrients from trees and but give nothing in return.
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ABIOTIC FACTORS
CLIMATOGRAM
• Mild temperature, lots of precipitation during the
fall, winter and spring.
• Average precipitation ranges from 50-200” per year.
• Summers are relatively cool and dry
• Rocky acidic soil
Average Annual Temperature
Of Beaverlodge, Alberta, Canada
WHAT IS UNIQUE ABOUT THE
NORTHWESTERN CONIFEROUS FOREST
• The Northern Coniferous Forest gets 300 to 900 millimeters of
rain a year.
• Some of the trees produce needles and cones that stay on
the trees all year round.
• The Russian term for the coniferous forest is Taiga.
• It may be the worlds largest land biome.
• Coniferous means coming from the cone or cone bearing.
• One of the longest living tree on Earth is the Giant Sequoia.
They are more than 3000 years old and still growing.
• Depending on the season the bobcat will change its coat to
camouflage itself.
• Cones produced by the conifer trees are the main source of
food in the coniferous forest.
HUMAN IMPACT
• Deforestation
• Acid Rain
• Global Warming
RESOURCES
• Levine, M. Prentice hall biology. (p. 103). Prentice Hall.
- Abiotic factors, dominant plant, dominant animals,
geographic distribution.
• Conway , L. (n.d.). Biotic/abiotic factors of coniferous forest. Retrieved
from
http://www.google.ca/url?sa=t&rct=j&q=&esrc=s&frm=1&source=w
eb&cd=1&ved=0CCkQFjAA&url=http://media.wix.com/ugd/4d8ecf
_7243712a3cf250de1502c588ad9e9f99.pptx?dn=Coniferous%2BFore
st.ppt&xei=3JhxUqTHEOmwyQHk4IHwBg&usg=AFQjCNH6npRWXj6Z5
Shaty74avx1GP41kg
- Mutualism and parasitism (biotic factors)
• 6-Gun Annie. (5 years ago). Two examples of interspecific competition in the
coniferous forest?. Retrieved from
http://answers.yahoo.com/question/index?qid=20090305212917AArpVyd
- Competition (biotic factors)
• The coniferous forest facts. (((n.d.))). Retrieved from
http://kellyspage11.tripod.com/id1.html
- Unique facts about the coniferous forest.
• The coniferous forest. (2011). Retrieved from
http://biomesprojectjason.webs.com/
- The human impact on the coniferous forest.
Average Annual Precipitation
Of Beaverlodge, Alberta, Canada
RESOURCES
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http://www.birds.cornell.edu/bfl/speciesaccts/varth r.html
- Map
http://www.treeinabox.com/Douglas-Fir.html
- Douglas fir
http://www.pacificu.edu/treeguide/details.cfm?id=
- Sitka spruce
http://www.for.gov.bc.ca/hfd/library/documents/tr
- Western hemlock
http://en.wikipedia.org/wiki/Sequoioideae
- Redwood
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eebook/westernhemlock.htm
http://nrs.wsu.edu/Research/Bear-Center/media.html
- Bears
http://eofdreams.com/elk.html
- Elk
http://www.fcps.edu/islandcreekes/ecology/white-tailed_deer.htm
- Deer
http://www.aktifmag.com/owls-about-that-10-owl-facts-things/
- Owl
http://www.wild-life-rehab.com/Education-Bobcat.htm
- Bobcat
http://my.telegraph.co.uk/boanerges/boanerges/4067401/A_Boogle_of_weasels/
- Weasel
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RESOURCES
• http://www.vtaide.com/png/taiga.htm
- Food web
• http://www.intellicast.com/National/Precipitation/
• http://prezi.com/zvbn5u-zy9jq/northwestern-coniferousforest/
- Precipitaion
• http://ammoniabmp.colostate.edu/link%20pages/i
mpacts%20of%20ammonia.html
- Rocky, acidic soil
• https://sites.google.com/site/bradspencersconifero
usforest/climatogram
- Climatograms
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