Ecology Biomes and Ecosystems. 2 Ecosystems- Matter and Energy.
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Transcript of Ecosystems
![Page 1: Ecosystems](https://reader037.fdocuments.net/reader037/viewer/2022110307/55635e19d8b42ae6088b45da/html5/thumbnails/1.jpg)
ECOSYSTEMSBy: Kathy Turnbull
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According to “The Economy of Nature, 6th Edition” an ecosystem
is
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An assemblage of organisms
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Together with
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Their physical
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And chemical environments.
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So soil
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water
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light
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and nutrients
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as well as any living organism
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are part of the ecosystem
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http://reference.findtarget.com/search/Biocoenosis/
This classification is between a community
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which is only the biotic element in a given
area
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http://chickenshort.blogspot.com/2007/12/concept-for-opening-shot.html
and landscapes
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which are many ecosystems combined
together
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As far as the scale of ecosystems
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they are the smallest of the large scale
classifications
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When studying these ecosystems
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you examine not only organism
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to organism interactions
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but also organism to environment interactions
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The principle source of energy in an ecosystem
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is the energy
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from sunlight
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converted into sugar
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by plants
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and other photosynthetic
organisms
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http://www.marietta.edu/~biol/biomes/ecosystems.htm
This energy is not recycled
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http://earthobservatory.nasa.gov/Features/CarbonCycle/carbon_cycle4.php
in an ecosystem like nutrients
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http://www.pleasanton.k12.ca.us/avhsstudent/47228/bio/Cycles.html
and some other elements are
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http://schoolworkhelper.net/2011/01/energy-movement-in-ecosystems-trophic-energy-pyramid/
As energy goes up the different levels in a
food web
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the less an organism gains in energy
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from eating an organism in the
trophic level before it
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So energy travels
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through an ecosystem
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and exits as heat
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unlike the transfer of water
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and other nutrients
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With water
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and other nutrients
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you have the water cycle
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http://earthobservatory.nasa.gov/Features/CarbonCycle/carbon_cycle4.php
the carbon cycle
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http://www.pleasanton.k12.ca.us/avhsstudent/47228/bio/Cycles.html
the nitrogen cycle
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http://vincejtremante.tripod.com/cycles/phosphours.htm
the phosphorous cycle
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and other cycles specific to particular
nutrients.
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Within these cycles the amount of the
nutrient
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changes in particular organisms
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and location
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but the total amount of the nutrient in the cycle does not change
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All of these variables
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result in many different ecosystems
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throughout
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the world
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The systems of classifying ecosystems
begin with deciding
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whether it is a terrestrial
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or an aquatic ecosystem
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Then the ecosystem is further classified into
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http://earth.rice.edu/mtpe/bio/biosphere/topics/biomes/biomes_map.html
basically the same classifications as
biomes
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forest
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http://weathersavvy.com/Q-Climate_Deserts1.html
desert
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http://www.esa.org/tiee/vol/v5/practice/dalgleish/abstract.html
grasslands
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and mountain for terrestrial ecosystems
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Forest
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http://home.nps.gov/band/naturescience/montane.htm
and grasslands can be further broken down
into
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tropical evergreen
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http://envis.maharashtra.gov.in/envis_data/files/TropicalDryDeciduousForestsofVidarbha.JPG
tropical deciduous
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temperate evergreen
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temperate deciduous
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Taiga. http://bioweb.uwlax.edu/bio203/s2009/nelson_lau4/Picea_glauca_taiga.jpg
taiga
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http://www.cbc.ca/sevenwonders/wonder_prairie_skies.html
prairie
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http://room42.wikispaces.com/Savanna+Climate
and savanna
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The aquatic ecosystems are either
marine
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or freshwater
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The different types of marine ecosystems
are oceanic
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http://glencoe.mcgraw-hill.com/sites/0078802849/student_view0/unit1/chapter3/section3/s
elf-check_quizzes-english.html
profundal
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http://bioweb.uwlax.edu/bio203/s2009/long_nico/
benthic
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intertidal
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http://celebrating200years.noaa.gov/transformations/coastal_research/estuary.html
estuaries
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http://science.kennesaw.edu/~jdirnber/oceanography/LecuturesOceanogr/LecSaltMarsh/LecSaltMarsh.html
salt marshes
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http://www.coralreefinfo.com/
coral reefs
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http://web.uvic.ca/sciweb/photos-hydrothermal-vents.html
and hydro-thermal vents
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The fresh-water ecosystems are lentic
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lotic
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and wetlands
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Now let’s take a photographic journey
through the ecosystem at St. Simon’s Island,
Georgia.
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In conclusion ecosystems
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are a classification involving the abiotic
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and biotic components of an area
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so basically communities
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and their environment
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There are many ecosystems ranging in
size from a field
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to the ocean.
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And ecosystems
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are all around you
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CreditsPictures FromKathy TurnbullVirginia Moorehttp://web.uvic.ca/sciweb/photos-hydrothermal-vents.htmlhttp://www.coralreefinfo.com/http://science.kennesaw.edu/~jdirnber/oceanography/LecuturesOceanogr/LecSaltMarsh/LecSaltMarsh.htmlhttp://celebrating200years.noaa.gov/transformations/coastal_research/estuary.htmlhttp://bioweb.uwlax.edu/bio203/s2009/long_nico/http://glencoe.mcgraw-hill.com/sites/0078802849/student_view0/unit1/chapter3/section3/self-check_quizzes-english.htmlhttp://room42.wikispaces.com/Savanna+Climatehttp://www.cbc.ca/sevenwonders/wonder_prairie_skies.htmlTaiga. http://bioweb.uwlax.edu/bio203/s2009/nelson_lau4/Picea_glauca_taiga.jpghttp://envis.maharashtra.gov.in/envis_data/files/TropicalDryDeciduousForestsofVidarbha.JPGhttp://home.nps.gov/band/naturescience/montane.htmhttp://www.esa.org/tiee/vol/v5/practice/dalgleish/abstract.htmlhttp://weathersavvy.com/Q-Climate_Deserts1.htmlhttp://earth.rice.edu/mtpe/bio/biosphere/topics/biomes/biomes_map.htmlhttp://vincejtremante.tripod.com/cycles/phosphours.htmhttp://www.pleasanton.k12.ca.us/avhsstudent/47228/bio/Cycles.htmlhttp://earthobservatory.nasa.gov/Features/CarbonCycle/carbon_cycle4.phphttp://www.all-water.org/H2O_Images/Water_cycle.pnghttp://schoolworkhelper.net/2011/01/energy-movement-in-ecosystems-trophic-energy-pyramid/http://www.marietta.edu/~biol/biomes/ecosystems.htmhttp://reference.findtarget.com/search/Biocoenosis/Information fromThe Economy of Nature, 6th Edition by Robert E. Ricklefshttp://www.climate.org/topics/ecosystems/index.htmlMusic fromAlvin Ting PlayingBig Bang’s Koe wo Kikasete2PM’s HeartbeatSmr00 PlayingAn original piece2PM’s I Hate You
Without UTik- Tok ftr.Yoon Eun Hye
2AM’s I Was WrongCan’t Let You Go Even If I Die