Climate change in the North Atlantic: Selection and local adaptation on the rocky shore
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Transcript of Climate change in the North Atlantic: Selection and local adaptation on the rocky shore
Climate changeSelection and local adaptation on the rocky shore
Jüterbock A. Coyer J.A. Kollias S.Olsen J.L. Fernandes J. Hoarau G.
1st Joint Congress on Evolutionary Biology,Ottawa 2012
Jüterbock et al. (UiN, RUG) Climate change Evolution Ottawa 2012 1 / 14
Introduction
Human impact on marine ecosystems
IC
[Halpern et al., 2010; Science]
Jüterbock et al. (UiN, RUG) Climate change Evolution Ottawa 2012 2 / 14
Introduction
Recent warming in the North Atlantic
Shift of the 15℃ isotherm
330 km north1985 2000
[McMahon & Hays, 2006; Global Change Biol.]
Jüterbock et al. (UiN, RUG) Climate change Evolution Ottawa 2012 3 / 14
Introduction
Main objective
Climate change impact on
North Atlantic rocky shores?
Jüterbock et al. (UiN, RUG) Climate change Evolution Ottawa 2012 4 / 14
Introduction
Fucus serratus, habitat-provisioning
on North Atlantic rocky shores2200
IPCC scenario (A1B) projection
2000
thermal range (10℃ summer to 15℃ winter isotherm)current distribution
[Fredriksen et al., 2005; Mar. Biol. Res.],algal frond: [Køie et al., 2001; Der große Kosmos Strandführer].
Jüterbock et al. (UiN, RUG) Climate change Evolution Ottawa 2012 5 / 14
Introduction
Fucus serratus, habitat-provisioning
on North Atlantic rocky shores2200
IPCC scenario (A1B) projection
2000
thermal range (10℃ summer to 15℃ winter isotherm)current distribution
[Fredriksen et al., 2005; Mar. Biol. Res.],algal frond: [Køie et al., 2001; Der große Kosmos Strandführer].
Jüterbock et al. (UiN, RUG) Climate change Evolution Ottawa 2012 5 / 14
Introduction
Recent changes in southern edge
populations of F. serratus
1999
Jüterbock et al. (UiN, RUG) Climate change Evolution Ottawa 2012 6 / 14
Introduction
Recent changes in southern edge
populations of F. serratus
1999
2010
90% abundance decline
Reduced reproductivecapacity[Viejo et al., 2011; Ecography]
Jüterbock et al. (UiN, RUG) Climate change Evolution Ottawa 2012 6 / 14
Introduction
Recent changes in southern edge
populations of F. serratus
1999
2010
90% abundance decline
Reduced reproductivecapacity[Viejo et al., 2011; Ecography]
Jüterbock et al. (UiN, RUG) Climate change Evolution Ottawa 2012 6 / 14
Objectives
Specific aims
Local adaptation?
Climate change beyond thermal tolerance?
Jüterbock et al. (UiN, RUG) Climate change Evolution Ottawa 2012 7 / 14
Objectives
Specific aims
Local adaptation?
Climate change beyond thermal tolerance?
Jüterbock et al. (UiN, RUG) Climate change Evolution Ottawa 2012 7 / 14
Objectives
Specific aims
Local adaptation?
Climate change beyond thermal tolerance?
Jüterbock et al. (UiN, RUG) Climate change Evolution Ottawa 2012 7 / 14
Heat-stress experiments
Sampling sites of
algae in 2011
Norway
Denmark
FranceSpain
Jüterbock et al. (UiN, RUG) Climate change Evolution Ottawa 2012 8 / 14
Heat-stress experiments
Experimental setupAcclimatization for >4 weeks
9℃16:8 h light:dark cycle
Jüterbock et al. (UiN, RUG) Climate change Evolution Ottawa 2012 9 / 14
Heat-stress experiments
Experimental setupCommon-garden heat-stress experiments
Heat-stress
> 6 ind./pop.
20℃–36℃1h Stress 24h Recovery
T (°C)
Time
Measurements
Photosynthetic response: FluorometerChange in performance
Transcriptomic response: real-time PCR
HSP70 Repair: Protein refolding, degradation
HSP90 Repair: Protein refolding, degradation
sHSP Protection: protein stabilization
Jüterbock et al. (UiN, RUG) Climate change Evolution Ottawa 2012 9 / 14
Heat-stress experiments
Experimental setupCommon-garden heat-stress experiments
Heat-stress
> 6 ind./pop.
20℃–36℃1h Stress 24h Recovery
T (°C)
Time
Measurements
Photosynthetic response: FluorometerChange in performance
Transcriptomic response: real-time PCR
HSP70 Repair: Protein refolding, degradation
HSP90 Repair: Protein refolding, degradation
sHSP Protection: protein stabilization
Jüterbock et al. (UiN, RUG) Climate change Evolution Ottawa 2012 9 / 14
Heat-stress experiments
Experimental setupCommon-garden heat-stress experiments
Heat-stress
> 6 ind./pop.
20℃–36℃1h Stress 24h Recovery
T (°C)
Time
Measurements
Photosynthetic response: FluorometerChange in performance
Transcriptomic response: real-time PCR
HSP70 Repair: Protein refolding, degradation
HSP90 Repair: Protein refolding, degradation
sHSP Protection: protein stabilization
Jüterbock et al. (UiN, RUG) Climate change Evolution Ottawa 2012 9 / 14
Heat-stress experiments
Photosynthetic response
0 4 8 12 16 20 24 28 32 36 ℃
Tested temperature range
Norway
Denmark
France
Spain
stress without recoverystress with recovery
Jüterbock et al. (UiN, RUG) Climate change Evolution Ottawa 2012 10 / 14
Heat-stress experiments
Photosynthetic response
0 4 8 12 16 20 24 28 32 36 ℃
Tested temperature range
Norway
Denmark
France
Spain
stress without recoverystress with recovery
Local adaptation
Jüterbock et al. (UiN, RUG) Climate change Evolution Ottawa 2012 10 / 14
Heat-stress experiments
Photosynthetic response
0 4 8 12 16 20 24 28 32 36 ℃
Tested temperature range
Thermal range in 2000Norway
Denmark
France
Spain
stress without recoverystress with recovery
Local adaptation
sst meansst range
Jüterbock et al. (UiN, RUG) Climate change Evolution Ottawa 2012 10 / 14
Heat-stress experiments
Photosynthetic response
0 4 8 12 16 20 24 28 32 36 ℃
Tested temperature range
Thermal range in 2000Norway
Denmark
France
Spain
stress without recoverystress with recovery
Local adaptation
broadest thermal range highest tolerance limit
sst meansst range
Jüterbock et al. (UiN, RUG) Climate change Evolution Ottawa 2012 10 / 14
Heat-stress experiments
Photosynthetic response
0 4 8 12 16 20 24 28 32 36 ℃
Tested temperature range
Norway
Denmark
France
Spain
stress without recoverystress with recovery
Thermal range in 2200
sst meansst range
Jüterbock et al. (UiN, RUG) Climate change Evolution Ottawa 2012 10 / 14
Heat-stress experiments
Photosynthetic response
0 4 8 12 16 20 24 28 32 36 ℃
Tested temperature range
Norway
Denmark
France
Spain
stress without recoverystress with recovery
Thermal range in 2200Stress
sst meansst range
Jüterbock et al. (UiN, RUG) Climate change Evolution Ottawa 2012 10 / 14
Heat-stress experiments
Photosynthetic response
0 4 8 12 16 20 24 28 32 36 ℃
Tested temperature range
Norway
Denmark
France
Spain
stress without recoverystress with recovery
Thermal range in 2200Stress
Stress limit reached at the southern range
sst meansst range
Jüterbock et al. (UiN, RUG) Climate change Evolution Ottawa 2012 10 / 14
Heat-stress experiments
Transcriptomic responseHSP expression at 28℃
NorwayFranceSpain
HSP 70
HSP 90
sHSP
* *
*: p 6 0.05
Jüterbock et al. (UiN, RUG) Climate change Evolution Ottawa 2012 11 / 14
Heat-stress experiments
Transcriptomic responseHSP expression at 28℃
NorwayFranceSpain
HSP 70
HSP 90
sHSP
* *
*: p 6 0.05
Jüterbock et al. (UiN, RUG) Climate change Evolution Ottawa 2012 11 / 14
Heat-stress experiments
Transcriptomic responseHSP expression at 28℃
NorwayFranceSpain
HSP 70
HSP 90
sHSP
* *
*: p 6 0.05
Jüterbock et al. (UiN, RUG) Climate change Evolution Ottawa 2012 11 / 14
Heat-stress experiments
Transcriptomic responseHSP expression at 28℃
NorwayFranceSpain
HSP 70
HSP 90
sHSP
* *
*: p 6 0.05
Spain: Adaptation toheat-stress?contradicts
[Pearson et al., 2009; Jour. Ecol.]
Jüterbock et al. (UiN, RUG) Climate change Evolution Ottawa 2012 11 / 14
Conclusions
Conclusions
Final outcome
Local adaptation?Yes. Photosynthetic response: related to temperaturevariabilityNo. Transcriptomic response: Local adaptation in Spain
Climate change beyond thermal tolerance?Yes. Photosynthetic response: at the southern range.
Jüterbock et al. (UiN, RUG) Climate change Evolution Ottawa 2012 12 / 14
Conclusions
Conclusions
Final outcome
Local adaptation?Yes. Photosynthetic response: related to temperaturevariabilityNo. Transcriptomic response: Local adaptation in Spain
Climate change beyond thermal tolerance?Yes. Photosynthetic response: at the southern range.
Jüterbock et al. (UiN, RUG) Climate change Evolution Ottawa 2012 12 / 14
Conclusions
Conclusions
Final outcome
Local adaptation?Yes. Photosynthetic response: related to temperaturevariabilityNo. Transcriptomic response: Local adaptation in Spain
Climate change beyond thermal tolerance?Yes. Photosynthetic response: at the southern range.
Jüterbock et al. (UiN, RUG) Climate change Evolution Ottawa 2012 12 / 14
Conclusions
Conclusions
Final outcome
Local adaptation?Yes. Photosynthetic response: related to temperaturevariabilityNo. Transcriptomic response: Local adaptation in Spain
Climate change beyond thermal tolerance?Yes. Photosynthetic response: at the southern range.
Jüterbock et al. (UiN, RUG) Climate change Evolution Ottawa 2012 12 / 14
Conclusions
Conclusions
Final outcome
Local adaptation?Yes. Photosynthetic response: related to temperaturevariabilityNo. Transcriptomic response: Local adaptation in Spain
Climate change beyond thermal tolerance?Yes. Photosynthetic response: at the southern range.
Future plans
Long-term heatwave experiment
Whole-transcriptome response
Jüterbock et al. (UiN, RUG) Climate change Evolution Ottawa 2012 12 / 14
Conclusions
Overall conclusion
Climate change driven
ecosystem shift?
Jüterbock et al. (UiN, RUG) Climate change Evolution Ottawa 2012 13 / 14
Conclusions
Acknowledgments
Irina SmolinaMark PowellRenate Fretheim KarlsenHeidi Klæboe Nilsen
Randi Restad SjøvikFrans AllmendingenTor Ove DypingBjørnar Eggen
Kaspar KlaudiussenSteinar JohnsonMorten Krogstad
Jüterbock et al. (UiN, RUG) Climate change Evolution Ottawa 2012 14 / 14
Appendix
5 Appendix
Jüterbock et al. (UiN, RUG) Climate change Evolution Ottawa 2012 1 / 6
Appendix
References I
Fredriksen, S.; Christie, H.; Saethre, B.A. (2005)Species richness in macroalgae and macrofaunaassemblages on Fucus serratus L. (Phaeophyceae)and Zostera marina L. (Angiospermae) in Skagerrak,Norway.Marine Biology Research 1(1):2–19.
Halpern, B.S.; Walbridge, S.; Selkoe, K.A.; Kappel,C.V.; Micheli, F.; D’Agrosa, C.; Bruno, J.F.; Casey,K.S.; Ebert, C.; Fox, H.E. and others (2010)A global map of human impact on marine ecosystemsScience 319(5856):948–952.
Jüterbock et al. (UiN, RUG) Climate change Evolution Ottawa 2012 2 / 6
Appendix
References II
Hoarau, G.; Coyer, J.A.; Veldsink, J.H.; Stam, W.T.;Olsen, J.L. (2007)Glacial refugia and recolonization pathways in thebrown seaweed Fucus serratus
Molecular Ecology 16(17):3606–3616.
Køie, M.; Kristiansen, A.; Weitemeyer, S. (2001)Der große Kosmos Strandführer.Kosmos.
Jüterbock et al. (UiN, RUG) Climate change Evolution Ottawa 2012 3 / 6
Appendix
References III
McMahon, C.R. & Hays, G.C. (2006)Thermal niche, large-scale movements andimplications of climate change for a criticallyendangered marine vertebrate.Global Change Biology 12(7):1330–1338.
Pearson, G.A.; Lago-Leston, A.; Mota, C. (2009)Frayed at the edges: selective pressure and adaptiveresponse to abiotic stressors are mismatched in lowdiversity edge populations.Journal of Ecology 97(3):450–462.
Jüterbock et al. (UiN, RUG) Climate change Evolution Ottawa 2012 4 / 6
Appendix
References IV
Phillips, S.J.; Anderson, R.P.; Schapire, R.E. (2006)Maximum entropy modeling of species geographicdistributions.Ecological Modelling190(3-4):231–259.
Tyberghein, L.; Verbruggen, H.; Pauly, K.; Troupin,C.; Mineur, F.; De Clerck, O. (2011)Bio-ORACLE: a global environmental dataset formarine species distribution modelling.Global Ecology and Biogeography.
Jüterbock et al. (UiN, RUG) Climate change Evolution Ottawa 2012 5 / 6
Appendix
References V
Viejo, R.M.; Martínez, B.; Arrontes, J.; Astudillo, C.;Hernández, L. (2011)Reproductive patterns in central and marginalpopulations of a large brown seaweed: drasticchanges at the southern range limit.Ecography 34(1):75–84.
Jüterbock et al. (UiN, RUG) Climate change Evolution Ottawa 2012 6 / 6