Transcript The World’s Biomes

The World’s Biomes and
Ecological Organization.
Yea!
Background…
• Ecology is the study of living things in their
environment and how they affect each other.
Background…
• Ecological Organization
– Living things can be studied at six different
levels:
• INDIVIDUAL:
– An organism belonging to a particular species.
Background…
• Ecological Organization
• POPULATION:
– A group of organisms of the same species living
together in a specific area.
– The total count of individuals within a group.
Background…
• Ecological Organizations
• COMMUNITY:
– Made up of populations of different species
living together in the same area.
– These organisms usually interact and depend on
each other.
Background…
• Ecological Organizations
• ECOSYSTEM:
– A system in which biotic (living) organisms
interact with each other and their abiotic
(nonliving) environment.
– Abiotic environments include things such as
sunlight, soil, moisture, temperature,and
nutrients.
Background…
• Ecological Organization
• BIOME:
– More on this in a minute….
Background…
• Ecological Organization
• BIOSPHERE:
– The sum of Earth’s biomes.
– The living part of the planet.
– Extends from just above to just below Earth’s
surface.
Biomes
• A group of ecosystems with similar climates
and organisms.
– Ecosystem - All the living and non-living things
that interact in an area
Biomes
• Biomes are the regions of our planet which
are best be defined by their climate, plant
life and animal life.
Biomes
• What is the most important factor in
forming or creating a biome?
– C.D.
Biomes
• Climate!
– Temperature and rainfall determine a biome.
• Why?
– C.D.
– Level sticks
Biomes
• How many Biomes are there?
• Scientists argue on the exact number, or
different types of biomes in existence.
• We are going to lump them into about 9.
Biomes
• Rain Forest Biomes
– A forest that receives more than 2.5 meters (8
feet) of rain each year.
• Tropical
– Warm regions, close to the equator
• Temperate
– Land along the northwest coast of the US
Tropical Rain Forest Biomes
Tropical Rain Forest Biomes
Temperate rainforest Biomes
Temperate Rainforest Biomes
Biomes
• Desert
– An area that receives less than 25cm of rain
each year.
Desert Biome
http://www.explorebiodiversity.com/habitats/desert.html
Desert Biome
http://web.hcsps.sa.edu.au/projects/deserts/projects/group13/index.htm
Biomes
• Grasslands
– An area that receives between 25cm and 75cm
of rain each year.
– The main vegetation is grass or type of grass
plants.
Grassland Biome
http://www.uwsp.edu/gEo/faculty/heywood/GEOG101/aridbiom/index.htm
Grassland Biome
http://www.uwsp.edu/gEo/faculty/ritter/geog101/textbook/biogeography/biomes_grassland.html
Biomes
• Deciduous Forest
– Has at least 50cm of rain each year.
– Forests in which the trees lose their leaves each
year.
– Deciduous means "temporary" or "tending to
fall off" (deriving from the Latin word
decidere, to fall off).
Deciduous Forest Biome
http://www.geography.hunter.cuny.edu/~tbw/wc.notes/15.climates.veg/veg.images/temperate.deciduous.forests/temperate.deciduous.forest.map.jpg
Deciduous Forest Biome
http://earthobservatory.nasa.gov/Experiments/Biome/Images/pictemperate.jpg
Biomes
• Boreal Forest
– Has at least 50cm of rain each year.
– Forests contains Coniferous Trees
• Seeds in cones and leaves shaped as needles
– Winters are very cold.
Boreal Forest Biome
http://biomee.wikispaces.com/file/view/R_tarandus_map.gif/32725896
Boreal Forest Biome
http://images.botany.org/set-01/01-027v.jpg
Biomes
• Tundra
– Extremely cold and very dry
– Most soil exist as permafrost.
• Frozen soil
Tundra Biome
http://questgarden.com/47/43/8/070313183408/images/tundra_location_map001.gif
Tundra Biome
http://www.marietta.edu/~biol/biomes/images/tundra/alaskapipeline1.jpg
Biomes
• Mountains and Ice
– Mountains pass through several “biomes” as
you travel from base to peak
– Ice - well it’s Ice…’Nuff said.
• Penguins and polar bears
Biomes
• Freshwater
– Standing water
• Ponds and lakes
– Flowing water
• Streams and Rivers
Biomes
• Marine
– We have a whole presentation on that.