Download - Landscape and Restoration Ecology
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Landscape and
Restoration EcologyChapter 5
APES
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Putting it all together
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Nature in Balance
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Human Disturbance
We are changing natural habitats whichthreatens biodiversity
We are consuming vast amounts of theresources on the planet
We are upsetting the natural balance ofprimary productivity
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So what does that all really mean?
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Page 112 Figure 3.8
Examine the domesticated vs.undomesticated land
Why/How is the label for this figuremisleading?
Are there any biomes that have beenspared? Why?
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Which biome has taken the biggesthit??
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The lucky winner is..
The temperate forests!
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US ECOSYSTEMS
Ecosystem link
Monday: first hour: TRAPPER!
http://images.google.com/imgres?imgurl=http://www.fs.fed.us/land/ecosysmgmt/colorimagemap/ecoreg1_provinces.gif&imgrefurl=http://www.fs.fed.us/colorimagemap/ecoreg1_provinces.html&h=573&w=891&sz=30&hl=en&start=12&tbnid=71r8SWL7tN_GNM:&tbnh=94&tbnw=146&prev=/images%3Fq%3DTEMPERATE%2BFOREST%2B%2BNORTH%2BAMERICA%26svnum%3D10%26hl%3Den%26lr%3D%26rls%3DCNDB,CNDB:2004-30,CNDB:en%26sa%3DNhttp://images.google.com/imgres?imgurl=http://www.fs.fed.us/land/ecosysmgmt/colorimagemap/ecoreg1_provinces.gif&imgrefurl=http://www.fs.fed.us/colorimagemap/ecoreg1_provinces.html&h=573&w=891&sz=30&hl=en&start=12&tbnid=71r8SWL7tN_GNM:&tbnh=94&tbnw=146&prev=/images%3Fq%3DTEMPERATE%2BFOREST%2B%2BNORTH%2BAMERICA%26svnum%3D10%26hl%3Den%26lr%3D%26rls%3DCNDB,CNDB:2004-30,CNDB:en%26sa%3DN -
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WHY?
The soils support our agriculture.
The trees and climate are ideal fo humanoccupation.
You may think the tropics are the best forhumans.but heat brings..
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Other heavily impacted biomes:
Tropical dry forests
Grasslands
Temperate rainforests Islands
Cultivation in these areas leads tosoil loss/erosion! Then biodiversity drops
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Who gets left alone?
Tundra and the arctic
Why?
Its cold
Theres poor soil
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How about the Aquatic BIOMES?
Wetlands:
of Americaswetlands havebeen drained,filled orotherwise
polluted in thelast 250 years.
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Why drain a wetland?
Wetlands Paper: US HISTORY
Spotlight: Horicon marsh
http://water.usgs.gov/nwsum/WSP2425/history.htmlhttp://water.usgs.gov/nwsum/WSP2425/history.html -
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Landscape Ecology
The study
Of the reciprocal effects
Of spatial patternOn ecological processes.
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Important aspects of LandscapeEcology
Landscape ecology considers the impact ofhumans
Traditional ecology kind of ignores them
Patches
Heterogeneity
Time and space
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Patches
Traditionally we look and say: a rainforest!
The Landscape ecologist sees a mosaic ofpatches with distinct soils, topography,climate, and site history.
Those patches are going throughsuccession, folks!
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Landscape Dynamics
A sense of place
How does the land change over time?
EGDE habitat is critical. WHY?
Edges can impair and facilitate themovement of nutrients.
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Edge habitat
Image of Fort Atkinson
Another image
Yet another image
http://maps.google.com/maps?f=q&hl=en&q=fort+atkinson+high+school&sll=42.922902,-88.846689&sspn=0.099556,0.201187&ie=UTF8&t=k&om=0&z=13&ll=42.927771,-88.855534&spn=0.049774,0.100594http://maps.google.com/maps?f=q&hl=en&q=fort+atkinson+high+school&sll=42.922902,-88.846689&sspn=0.099556,0.201187&ie=UTF8&t=k&om=0&z=13&ll=42.927771,-88.855534&spn=0.049774,0.100594http://maps.google.com/maps?f=q&hl=en&q=fort+atkinson+high+school&sll=42.922902,-88.846689&sspn=0.099556,0.201187&ie=UTF8&t=k&om=0&z=13&ll=42.927771,-88.855534&spn=0.049774,0.100594http://maps.google.com/maps?f=q&hl=en&q=fort+atkinson+high+school&sll=42.922902,-88.846689&sspn=0.099556,0.201187&ie=UTF8&t=k&om=0&z=13&ll=42.927771,-88.855534&spn=0.049774,0.100594http://maps.google.com/maps?f=q&hl=en&q=fort+atkinson+high+school&sll=42.922902,-88.846689&sspn=0.099556,0.201187&ie=UTF8&t=k&om=0&z=13&ll=42.927771,-88.855534&spn=0.049774,0.100594http://maps.google.com/maps?f=q&hl=en&q=fort+atkinson+high+school&sll=42.922902,-88.846689&sspn=0.099556,0.201187&ie=UTF8&t=k&om=0&z=13&ll=42.927771,-88.855534&spn=0.049774,0.100594 -
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EDGE
What happens between patches may bemore important then the patchesthemselves.
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FOCUS
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Complex
This type of
Interaction
Requires high mathTo wade thru
The chaos.
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Restoration Ecology
Repairing or restoring ecosystems
DamagedBy humans or mother nature
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Some terms to know:
Restoration
RehabilitationRemediation
Reclamation
Re-creation
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Restoration
To return something to its former condition.
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Rehabilitation
Attempts to rebuild or reestablish elementsof a structure or function in an ecologicalecosystem without necessarily achieving
complete restoration.
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RemediationThe process of
removingchemicalcontaminatesfrom a pollutedarea bybiological orphysicalmethods as afirst step
towardsprotectinghumanecosystemhealth.
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Reclamation
Chemical or physical manipulations carriedout in severely degraded sites such asopen pit mines or large-scale construction.
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Re-creation
Attempts to construct a new biologicalcommunity on a site that is so severalydisturbed that there is virtually nothing
left to restore. Lake Erie site
http://images.google.com/imgres?imgurl=http://www.noaanews.noaa.gov/stories2005/images/lake-erie041505c.jpg&imgrefurl=http://www.noaanews.noaa.gov/stories2005/s2427.htm&h=228&w=300&sz=19&hl=en&start=10&tbnid=TTHQtAaoT8bX6M:&tbnh=88&tbnw=116&prev=/images%3Fq%3Dlake%2Berie%26svnum%3D10%26hl%3Den%26lr%3D%26rls%3DCNDB,CNDB:2004-30,CNDB:en%26sa%3DNhttp://images.google.com/imgres?imgurl=http://www.noaanews.noaa.gov/stories2005/images/lake-erie041505c.jpg&imgrefurl=http://www.noaanews.noaa.gov/stories2005/s2427.htm&h=228&w=300&sz=19&hl=en&start=10&tbnid=TTHQtAaoT8bX6M:&tbnh=88&tbnw=116&prev=/images%3Fq%3Dlake%2Berie%26svnum%3D10%26hl%3Den%26lr%3D%26rls%3DCNDB,CNDB:2004-30,CNDB:en%26sa%3DN -
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U.S. Army Corps of Engineers
How manydam
projectsdo we need?
http://www.usace.army.mil/http://www.usace.army.mil/ -
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Preservation vs. Reservationists
Where should we spend out dollars?
Fix messes, or save gems?
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How Do We Fix Things?
We use tools!
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Tools of Restoration
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Tools of Restoration
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But how far back?
When is it good enough?
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Might this work?
Let Nature Heal Itself?
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Mt. St. Helens after the blast
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Mt. St Helens, 2005
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Authentic vs. Artificial
Where should we spend our funds?
How do we decide?
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Any Questions?