conservation implications of global climate change & economics and conservation mon. april. 18
TRANSCRIPT
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Conservation Implications of Global Climate Change
&Economics and Conservation
Mon. April. 18
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The Effects of an Increase in Average
Temperature and Increase
in Temperature
VarianceNote effects of an increase in variance on both hot and cold sides – even with less certainty about a given temperature increase.
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Biological Evidence – Change in Kelp Forest Composition in
Monterey Bay
http://www.scubascotty.com/images/Underwater/PB100183_Kelp_Forest_sm.jpg
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Phenology of Biological Events
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Meta-analysis of Data Relating to the Effects of Climate
Change on Biological Systems
What is a meta-analysis? Why are they important in the case of climate change (and other cases)?(i.e., what is a common critique of gloom and doom data?)
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Checkerspot Butterfly Range Changes and Local Extinctions
http://floralore.com/fauna/butterflies/euphydryasEditha.jpg
Grey triangles are extinct populations, black triangles are new populations. Notice where the extinctions primarily occur. Could there be other causes?
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Over-wintering Range
Extension in a Skipper
http://www.cirrusimage.com/Skippers/sachem_skipper_female_3.jpg
Why is the "over-wintering" part significant? What happened previously?
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Range Shifts (x, y and z)
http://www.plantweb.co.za/Plant_Pictures/Vexatorella/Vexatorella_amoena/thumbnails/Vexatorella_amoena.jpg.jpg
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Mitigation and Adaptation
Mitigation -- limiting severity by stabilizing or reducing greenhouse gas emission.
Adaptation -- actions to reduce the harm that occurs secondary to climate change (independent of mitigation)
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Mitigation
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Adaptation & Management
Resistance (?)
Resilience
• Corridors
• Protected areas under different climate change scenarios (next slide)
• Species translocations
• Identification and protection of refugia
Transformation
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Considerations for Reserves
Near loss of species and its range in two reserves as climate shifts
Change in locations of range
Range decrease in one reserve and extension into a new area.
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What About Corridors, Relocation, & Introductions?
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Projected Richness
Decrease in the
AmericasWhat are the likely causes of these changes?
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Economics and Conservation
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Ecological Economics
Why do we study this topic in a biology course – and especially spend at least 5% of this course on this topic?
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Utility
Utility – a measure of what an individual perceives as well-being.
What are wealth and money and what is their relationships to utility?
Do wealth and money accurately reflect utility?
What is the nature of trade and "satisfaction?"
What is the notion of "substitute good" in regard to utility?
Will this (substitute good) be the same for everyone?
http://www.library.hbs.edu/hc/collections/kress/kress_img/adam_smith2.jpg