the american pika: a model species to study biotic responses to climate change
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Philippe Henry, November 21st 2011
The American pika: a model species to study biotic responses to climate change
Philippe HenryNRESi Colloquium SeriesSeptember 27th 2013, UNBC, PG, BC.
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American pika biology & climate change
UBC-O/UofC research in BC Coast Mnts
Applications to Management and future directions
Enough time for questions
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What is a Pika?
A small relative of rabbits and hares:Order lagomorpha
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Two species in North America
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Collared pika
- Postglacial re-colonization occurred South to North
- Not North to south as previously thought
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- Definitive taxonomybased on:
mtDNA
Vocalizations
Morphometrics
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Range retraction- 30% extirpated- 145 m upslope
migration/decade
Drivers of extirpation- Snowpack ~ cold temperature- Summer temperature- Elevation
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EvolutionVolume 63, Issue 11, pages 2848-2863, 3 AUG 2009 DOI: 10.1111/j.1558-5646.2009.00803.xhttp://onlinelibrary.wiley.com/doi/10.1111/j.1558-5646.2009.00803.x/full#f5
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Elevation gradients: The Hill
Henry et al. (2012) Northwest Science
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Noninvasive sampling
Henry & Russello (2011) European Journal of Wildlife Research; Henry et al. (2011) Journal of
Visualized Experiments
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Noninvasive sampling
Henry & Russello (2011) European Journal of Wildlife Research; Henry et al. (2011) Journal of
Visualized Experiments
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Noninvasive sampling…
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Noninvasive sampling…
…in action
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Hair samples = DNA
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Hill LOW Elevation
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Environmental drivers
MAP, PAS, Tmax, Tmin ~
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Mid
High
Environmental drivers Tmax, Tmin, MAP, PAS
Low
~
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Applications to Management
Assisted migration
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First steps …
Banff Monitoring program- Counting hay piles- Hair snares- Remote cameras
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First steps …Banff Monitoring program
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Future direction…Extend sampling and Monitoring program
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3 low elevation(1 site )
3 high elevation(1 site )
normalized cDNA library construction
454 GS FLX Titanium (Génome Québec )~25,000 SNPs identified
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The sea level pikas