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Title: Biome Project


1
Biome Project
  • Desert, Chaparral, Tropical Rainforest, Savanna
  • By Mark, Andrew, Rosanna, and Mike

2
The Desert
3
Deserts
  • Deserts are found in every continent and cover
    almost one fifth of Earth's land surface area.
    there are four different types of deserts. There
    is the Hot and Dry Deserts, Semiarid Deserts,
    Coastal Deserts and Cold Deserts.
  • Hot and Dry Deserts are found in North America,
    southern Asia, Cental America, South America, Afri
    ca and Australia.
  • Semiarid Deserts are found in North America,
    Greenland, Russia, Europe and northern Asia.
  • Coastal Deserts are found in North America,
    Greenland, Russia and Europe.
  • Cold Deserts are found at the two poles. The
    biggest is Antarctica and the second is the
    Arctic. 
  •  

4
Temperature
  • There are four major types of deserts.
  • Hot and Dry
  • Average 20-25 C(Summer), Maximum 43.5-49 C,
    Minimum -18 C
  • Semiarid
  • Average 21-27 C(Summer), Maximum 38 C,
    Minimum 10 C
  • Coastal
  • Average 13-24 C(Summer), Maximum 35 C,
    Minimum -4 C
  • Cold
  • Average 21-26 C(Summer)/ -2 - 4 C(Winter)

5
Precipitation
  • Hot and Dry Deserts
  • Atacama receives the least rainfall at less than
    1.5 cm of annual rainfall, the Inland Sahara has
    around 1.5 cm of annual rainfall but some
    North American Deserts can have around 28 cm of
    annual rainfall.
  • Semiarid Deserts
  • Average precipitation at around 2-4 cm annually. 
  • Coastal Deserts
  • Average precipitation at around 8-13 cm annually.
  • Cold Deserts
  • Average precipitation around 15-26 cm annually.

6
Latitude
  • Deserts are found at all latitudes so the range
    would be 0 N to 0 S. an individual desert has
    the average latitude range of 15-28. Contrary to
    what many people believe deserts are not a direct
    result of heavy sunlight. But an extremely low
    amount of precipitation. Looking at a physical
    map of the world it is apparent that deserts are
    not necessarily located at the equator. 

7
My Impression
  • Deserts always seem to have a connotation of
    desolation and death. A stereotypical image of a
    desert includes tumbleweeds and the skull of some
    animal with antlers. But the deserts of the world
    are teeming with life and the conditions of a
    desert seem almost other worldly.

8
Plants
  • Saguaro Cactus
  • The Saguaro Cactus has smooth and waxy skin that
     is covered with spines. The spines grow on the
    ribs of the cactus. The Saguaro Cactus thrives in
    the dry and hot climates of deserts. The Saguaro
    Cactus grows in the desert because it requires
    little water. Its spines help keep cool, gather
    rainfall and redirect winds.
  •  

9
 
  •  
  • Palo Verde
  • The Palo Verde is a shrub or small tree that has
    green bark with thorns on its trunk. The bark is
    green because it contains chlorophyll which
    allows the plant to still continue photosynthesis 
    without its leaves. The Palo Verde has roots that
    run very deep in order to access water in the
    ground. The plant can also shed branches in
    events of severe drought.

10
Animals
  • Desert Tortoise
  • The Desert Tortoise is found in the Mojave and
    Sonoran Deserts of Southern California. the
    turtles has digging and burrowing abilities and
    will hide in these burrows to escape heat or
    cold. The Desert Tortoise lives in the
    desert because it is accustomed to the plants and
    climate. if the tortoise eats anything unfamiliar
    it takes around 4 months for their digestive
    tracts to get used to it.

11
 
  • Desert Kangaroo Rat
  • The Desert Kangaroo has hind legs that resemble
    an actual Kangaroo, and the little rodent
    moves like a Kangaroo too. the rat burrows and
    created tunnels where they live. the Desert
    Kangaroo Rat has adapted tot he low amounts of
    water by gaining most of its water from its food.
    they kick sand at things to see if they're alive
    and they have cheek pouches that can store food
    for up to four weeks. it lives in the
    desert because its fur has adapted
    the brownish color, its adaptations allow it to
    store water and it needs dry dirt and sand to dig
    into. 

12
Abiotic Factors
  • Temperature
  • Deserts are known for high temperatures but in
    the night the heat escapes back into the
    atmosphere. The huge temperature ranges of day to
    night force its species to adapt to both. 
  • Water
  • The desert is a very dry biome.
    It's annual precipitation is minimum and the
    desert temperatures evaporate 
  • any remaining water on the surface. The lack of
    water forces its species to develop ways of
    storage and conservation.

13
Disturbances
  • Let's say there is a volcanic eruption and it
    covers the a certain desert. All life would be
    temporarily destroyed, immediately following the
    eruption. However, once the soot and ash has
    cooled down secondary succession would begin. the
    plants would thrive well in the ash because it's
    not a huge variation from the type of ground the
    plants are already in. And the addition of
    nutrients from volcanic ash would also
    be beneficial to desert plants. the animals on
    the other hand would be all killed, but if their
    are eggs buried deep beneath the ground or some
    animals that are burrowed perhaps they could
    survive. and the various bird species would be
    fine too, they can fly away during the eruption. 

14
Chaparral
15
Climate and Location
  • Average TemperatureTemperatures are subtropical
    with the cold ocean influence. The climate is
    characterized by a cool wet winter, and hot dry
    summers. California is one of the five places
    where plants like this grow. Temperature usually
    between 10 and 40 degrees Celsius.
  • Rainfall totals under 10 inches per year so
    drought is often an issue. This property of
    chaparral actually qualifies it as a desert.
  • Hold more than 20 of the earths plant diversity.
    In latitude range about 53 to 65 degrees North in
    the coastal range but the mountain range is at 32
    to 60 degrees north.

16
Impressions
  • The chaparral Biome, although the plants which
    grow there are not very exotic, it has a very
    temperate climate with little rainfall. Because
    it is sub tropical with a cold ocean influence,
    temperatures never reach unbarable extremes. Its
    little rainfall and nice weather make it a good
    vacation spot, but it would not be a great place
    to live. Life there is very mundane, especially
    in the plants. There are also natural desturbance
    dangers, which constantly threaten its
    inhabitants. Wildfires are common because there
    is less then 10 inches of rainfall per yeaar,
    thus the plants that live there are acclimated to
    this amount of precipitation, which makes them
    dry, and scrubby. It catches on fire very easily.

17
Plant Species
  • Artemisia California Artemisia California or
    California Sage Brush is an aromatic plant about
    2-4 feet in height. Its leaves have a scent that
    can be used as an insect repellant. The brush
    prospers on steep coastal slopes, and rocky
    ridgetops, where it can be exposed to extreme
    drought.. The drought characteristic of Chaparral
    from direct sunlight, and little rainfall causes
    it to loose its leaves. The brush typically
    prevents other vegetation from growing in
    proximity. A plant with dark green, aromatic,
    triangular leaves.
  • Black Sage The Black Sage plant has a black,
    aromatic, triangular leaf. It is very susceptible
    to dry climate, which is why it is the only stuff
    that can grow in Chaparral.

18
  • Oceanlight.com
  • Larnerseeds.com

19
Animal Species
  • Butterflies Between 150 and 200 hundred
    butterfly species live in rely on chaparrals
    scrubby, Mediteranean like palnts to complete
    their life cycle. To have a complete life cycle,
    these endangered species need a cornucopia of
    things to eat, and recources to raise their
    young. The Mission Blue Butterfly specifically
    relies on scrubby plants like buckwheat, golden
    aster and wild hyacinth. Lupine is crucial to
    their reproduction for it is where female lay
    their eggs. The offspring can then eat the lupine
    leaves as well. Since the Mission Blue
    butterflies have been confined to just a few
    costal sage sites and are becoming endangered,
    for they can live anywhere else.
  • Merriams Kangaroo Rat The kangaroo rat has
    specific adaptations to life in a dry climate
    such as Chaparral. Its life is made possible by
    its specialized kidneys, which allows it to
    process the seeds that are found in the Chaparral
    Biome. They eat Mesquite beans, green vegitation,
    and some insects. They live in underground
    burrows. They have puches for carrying seeds.

20
  • Calacademy.com
  • Oceanoasis.org

21
Abiotic Factors
  • Drought Drought in Chaparral is actually so
    severe that it can be classified as a desert. It
    is impressive that Chaparral has so many plants
    and animal species that are so accustomed to
    living in areas with so little water. Everything
    has adaptaitions to resist the drought. Plants
    have small leaves to reduce moisture loss, and
    animals, can get there water from unusual
    sources.Life in Chaparral with respect to drought
    is unlike life in any other Biome.
  • Fire Fire is so common in Chaparall that it is
    actually important in plants natural life cycle.
    They actually need fire to germinate. Re-growth
    after a fire is typically very quick.

22
Natural Disater
  • Fires are very common in the chaparral Biome, and
    in fact any species that is not resilient to fire
    probably will not be able to live there. Even
    though fire destroys virtually everything above
    the ground, the plants are designed so that the
    seeds, roots, and tubers are unharmed. In fact in
    many of these plants extreme heats from fire
    assist in the process of germination, for the
    seeds drop after a fire comes. The regrowth or
    succession after a fire can be summed up in two
    main processes, the reseeders, and the
    resprouters?eseeders produce new plants from the
    seeds that get dispersed through the soil, while
    resprouters grow from roots that weren? affected
    by the fire. Regrowth in Chaparral begins quickly
    even without any rain, starting with crown
    sprouters. After the first rain, seeds begin to
    germinate and succeed the crown sprouters.

23
Tropical Rainforest
24
Where Can It be Found?
  • The tropical rain forest can be found within 28
    degrees north or south of the equator in three
    major geographical areas around the world
  • Central America in the the Amazon river basin.
  • Africa - Zaire basin, with a small area in West
    Africa also eastern Madagascar.
  • Indo-Malaysia - west coast of India, Assam,
    Southeast Asia, New Guinea and Queensland,
    Australia.

25
Characteristic Climate
  • The temperature in a rain forest rarely gets
    higher than 93F or drops below 68F
  • Typical precipitation can range from125 cm to
    660 cm yearly
  • It rains nearly a quarter of the time, but since
    the majority gets blocked by the large areas of
    canopy, only a portion can reach the soil.

26
Characteristic Climate
  • Has a rainy, cool summer but a warm spring.
  • The air is oppresively humid and sticky because
    the environment is hot and wet (Imagine living in
    a steam room)
  • The average humidity is from 70 to 90

27
Humidity
  • The moisture of the rainforest from rainfall,
    constant cloud cover, and transpiration (water
    loss through leaves), creates intense local
    humidity.
  • High humidity of air traps warmth and helps
    temperature remain stable all year long which
    allows most rainforest trees to be
    evergreenkeeping their leaves all year and never
    dropping all their leaves in any one season

28
Soil
  • Soil in the tropical rainforests is very nutrient
    poor. The topsoil is only one to two inches (2.5
    to 5 centimeters) deep
  • Plants store the nutrients in themselves rather
    than getting them from the soil
  • Heavy rain washes minerals out of the soils,
    leaving them acidic and nutrient poor.

29
Plant Species Bougainvillea
  • Bougainvillea prefers a tropical climate because
    it likes to cling and grab onto other plants to
    reach the sunlight.
  • It can tolerate semi-shaded areas and it can also
    tolerate full sun, but it tends to climb upward
    towards the sun
  • It doesnt like swampy soil which is not common
    in tropical forest because water drains fast in
    tropical forest

30
Plant SpeciesDurian Tree
  • It grows in lowland rainforests, and is native to
    Borneo, Indonesia and Malaysia
  • Scientists think it is one of the first plants to
    rely on animals to disperse its seed.
  • It is dependent on a small nocturnal bat, called
    the Dawn Bat, for its pollination. Without the
    bat the durian cannot fruit

31
Animal Species Dawn Bat
  • The Dawn Bat is a small Southeast Asian
    rainforest bat which lives in the mangrove and
    lowland forests
  • Dawn Bats roost in limestone caves and are only
    active at night
  • Main pollinators of many rain forest trees
  • Their favorite flowers are from the Durian trees
    whose flowers are large and waxy and only bloom
    at night

32
Animal SpeciesHarpy eagle
  • It lives in the tropical lowland rainforests of
    Central and South America, southern Brazil and
    the northernmost parts of Argentina
  • It hunts about 19 species of medium sized and
    large mammals that live in trees
  • It hunts by sitting quietly and listening for
    prey for long periods of time in the canopy of
    the forest, then pouncing on their prey in short
    bursts of speed
  • Harpy eagles need large tracts of forest to hunt
    in.

33
Recovery From Forest Fire
  • If a big forest fire destroys all the vegetation
    in the forest, the soil will remain intact
    although not rich.
  • Secondary succession occurs
  • The earliest plants to recolonize are mainly
    herbaceous plants whose seeds are carried to bare
    soil by wind and animals.
  • The earliest herbaceous plants make the soil
    fertile and suitable for later larger plants
  • Larger plants settle in and compete with earlier
    species
  • Eventually Large plants dominate the area and the
    nutrient level of soil lowers again

34
Savanna
35
Climate and Location
  • Temperature range 20? - 30? C
  • Annual precipitation 100-150 cm rain
  • Latitude African Savanna between latitude 15?
    North and 30? South

36
Impresions
  • The savanna is large, open grassland scattered
    with trees. The savanna is warm year round, the
    temperature varying slightly between its long dry
    winter and its shorter wet summer. The savanna is
    home to a number of large herbivores and the
    large predators that eat them, as well as some
    smaller species.

37
Plants
  • Senegal Gum Acacia found in the African grassland
    savanna. The Senegal gum acacia grows only in the
    savanna because it grows best in sandy soil and
    requires 12-15 inches of rain a year, it would
    not be able to survive in a place that was wetter
    or dryer than the savanna.
  • 2. Elephant Grass is found along lake and river
    beds in the savanna. It requires the richer soil
    of the lake and river beds and is killed by a
    light frost, making the warm savanna a perfect
    place for this plant to grow.

bidorbuy.co.za
Hear.org
38
Animals Lion
  • Lions are one of the main predators of the
    savanna. Lions ecological niche includes medium
    to large game as food, small amounts of water,
    and open space in which they are able to hunt as
    a group. Lions live in the savanna because the
    savanna is a large open space in which many large
    game animals live. Other biomes do not have
    either the open space necessary for group hunting
    or lack large prey animals.

39
Animals Bush Elephant
  • .

The Savanna or Bush Elephant is another species
found in the savanna. The savanna elephant is a
herbivore that eats grasses, fruits, tree leaves,
bark, shrubs and vines. (Savanna Animals, Blue
Planet) They require lots of food and they
require bodies of water to drink and to help keep
them cool. They live in the savanna because the
large expanses of grassy land provide the huge
quantities of food they need as well as small
bodies of water, however spread out they may be.
The large amounts of open land allow elephants
are able to travel to new pastures and new water
as they consume the resources in a certain area.
40
Abiotic Characteristics
  • The warm temperatures and seasonal rainfall are
    two aboitic factors that characterize the
    savanna. The year round warm temperature sets the
    savanna apart from biomes to the north and south
    which experience a more dramatic change in
    temperature during the year. The seasonal rain
    sets the savanna apart from other biomes that are
    warm year round, such as the rainforest. The
    temperature and rain fall set the savanna apart
    from other biomes, as well as shaping the
    ecosystems that will flourish in such a climate.
    These two factors, more than the other abiotic
    factors of the savanna, dictate which plants will
    and will not survive, the plants in turn ensure
    the survival of some animal species and the
    inability for others to survive on the savanna.

41
disaster
  • Fire is a common occurrence in the savanna,
    caused by dry grasses and lightening many of the
    plants of the savanna have adapted to the
    conditions and are fire resistant. After such a
    fire the succession of plant re-growth, excluding
    the plants not harmed in the fire, would begin
    with the small grasses. The grasses would be
    followed by larger grass plants and shrubs, and
    then finally by trees.

42
Sources
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43
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44
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  • http//www.blueplanetbiomes.org/desert_animal_page
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45
Image Sources
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46
Image Sources continued
  • zambiatourism.com
  • currencewiki.wikispaces.com
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