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Transcript of Grasslands
non living factors of
Some abiotic factors
of grasslands include:
Soil Animals and their adaptations
in grasslands Grasslands Temperate: Made by Avinash Kewalramani Grassland (Temperate & Tropical) Where are grasslands found? Physical features of grasslands Plants and their common adaptations in grasslands Biotic features of grasslands Sources http://www.mbgnet.net/sets/grasslnd/world.htm (mgc.net, 2002)
http://en.wikipedia.org/wiki/Grassland (Wikimedia Foundation, Inc. , 19 March 2013)
http://www.blueplanetbiomes.org/grasslands.htm (Sam M., 2000)
http://www.hamiltonnature.org/habitats/grasslands/grasslands.htm (Hamilton Naturalists' Club)
http://wiki.answers.com/Q/Where_grasslands_are_found_in_Canada# ( JB0713 ,2 Nov 2012)
http://answers.yahoo.com/question/index?qid=20080606163912AA1ERLw(Elizabeth H, 2008)
http://www.mbgnet.net/bioplants/grass.html (Missouri Botanical Garden, 2009)
http://targetstudy.com/nature/habitats/grasslands/ (February 15, 2013)
Sander, Lionel, Glen Fatkin, and Donald Lucy. BC Science 10. Toronto: McGraw-Hill Ryerson, 2008. Grasses are adapted to hot, dry areas as they have long narrow leaves that reduce loss of water and their roots go deep under the ground so that they can get water even during drought
long root systems prevent grazing animals from pulling roots out of the ground
During a fire, the above parts of the plant burn but the root portions survive to sprout again
Some prairie trees have thick bark to resist fire
Many grasses take advantage of being exposed to windy conditions and are wind pollinated Tropical grasslands are located North and South
of the equator in Africa, South America, and Northern Australia
Temperate grasslands are located farther from the equator such as the U.S. prairies and have both hot summers and harsh winters.
Temperate grasslands once covered much of the interior of North America, and they were common in Eurasia and South America as well. Where in Canada? The term Grasslands found in
Canada is generally referred to
as the temperate grasslands or
the prairies. The prairies are
located in the lower half of
Alberta, Saskatchewan, and
Manitoba. Very little original
grasslands are left today. Bison- they have flat topped teeth and a digestive system made for eating grass.
Ferret- they have strong front legs and sharp claws to help them dig holes to hide from predators.
African painted dogs- they have retractable claws for them to move more silently.
Cape Cobra- they have venom to use when in
need for defense.
Gazelle- they have long strong legs to run fast,
up to 30 mph. Land is mostly flat in both temperate and tropical grassland. Due to the growth and decay of grass roots, the soil is fertile and rich.Tropical grassland is less fertile due to the scarce heavy rain.Since both grasslands have strong winds, it causes soil erosion.Precipitation usually occurs in late spring and early summer, and then succeeded by a long period of dryness.Grass fires is something that occurs quit often in tropical grasslands that have hot temperatures, but less regularly in temperate grasslands. Temperate grassland: Precipitation is
around 25 cm- 100 cm, yearly. Summers
are hot with approximately 30 C, and
winters can get to as low as -10 C.
Tropical grassland: Precipitation is
slightly higher at 50 cm- 130 cm, yearly.
Daily temperatures can span from
20 C to 30 C. Tropical: Biotic factors are the living factors in the
environment. Some biotic features of the grassland include: