Early Assessment of Local Adaptation in Juvenile Prairie Grasses - - PowerPoint PPT Presentation

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Early Assessment of Local Adaptation in Juvenile Prairie Grasses Healthy Prairies Project Shelby Flint, Kane Keller, Georgiana May, Ruth Shaw National Native Seed Conference Washington, D.C. 14 February 2017 Prairies & why they matter

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Early Assessment of Local Adaptation in Juvenile Prairie Grasses

Healthy Prairies Project

Shelby Flint, Kane Keller, Georgiana May, Ruth Shaw National Native Seed Conference

Washington, D.C. 14 February 2017

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Prairies & why they matter

Used with permission

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(Some) ecosystem services:

Reduce erosion
Improve water quality
Store carbon
Wildlife, pollinator habitat
Renewable bioenergy
Aesthetic, recreation

Used with permission

Prairies & why they matter

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Used with permission

Wild-harvested seeds

Restoring prairies – locally-adapted seed

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Little bluestem, local environment

How far? Origin Restoration

Restoring prairies – locally-adapted seed

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purple prairie clover

Used by permission

white prairie clover little bluestem thimbleweed Sideoats grama wild bergamot 2014 harvest sites SE SW W NW

Healthy Prairies Project – Scale of local adaptation

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Healthy Prairies Project – Scale of local adaptation

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Healthy Prairies Project – Scale of local adaptation

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purple prairie clover

Used by permission

white prairie clover little bluestem thimbleweed Sideoats grama wild bergamot

Healthy Prairies Project – Scale of local adaptation

2014 harvest sites 2016 evaluation sites SE SW W NW 2015 x-pollination site

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Healthy Prairies Project – Scale of local adaptation

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ORIGIN (region) SW W-Cent NW 2 3 4 5 # of leaves

Region: n/s

EVALUATION SITES

Hypothetical – evidence of local adaptation

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Preliminary results – sideoats grama

Response: # of leaves. GLM, log link

Resid. df Resid. dev dAIC weight

Origin 3458 2349.9 573.8 0.0 Site 3459 1778.0 0.0 0.8 Orig.+ Site 3456 1775.3 3.3 0.2

EVALUATION SITES ORIGIN (region) SW W-Cent NW 2 3 4 5 # of leaves

Origin: n/s

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Preliminary results – sideoats grama

Plant height (cm) 4 6 8 10 12 SW W-Cent NW

Response: Plant height GLM, identity link

Resid. df Resid. dev dAIC weight

Origin 3458 107487 1536.0 0.0 Site 3459 69069 2.9 0.2 Ori.+ Site 3456 68892 0.0 0.7

EVALUATION SITES ORIGIN (region) SW W-Cent NW 2 3 4 5 # of leaves

Origin: n/s Origin: SE < others

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Preliminary results – little bluestem

SW W-Cent NW 4 6 8 10 # of leaves ORIGIN (region)

Response: # of leaves. GLM, log link

Resid. df Resid. dev dAIC weight

Origin 3271 9611.1 3541.4 0 Site 3272 6100.1 28.4 0 Orig.* Site 3263 6017.9 0.0 1

EVALUATION SITES

Origin: SW NW & W-cent. SE

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Preliminary results – little bluestem

SW W-Cent NW 4 6 8 10 # of leaves

Origin: SW NW & W-cent. SE

ORIGIN (region)

Response: Plant height GLM, identity link

Resid. df Resid. dev dAIC weight

Origin 3271 55623 980.4 0.0 Site 3272 41435 14.0 0.0 Ori.+ Site 3269 41182 0.0 0.9

EVALUATION SITES Plant height (cm) 5 7 9 SW W-Cent NW

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Sideoats grama –
no evidence of local adaptation
SE-origin shortest at 2 sites
Little bluestem –
SW, W-cent origin – most leaves, tallest
Long-term experiment –
Local adaptation as lifetime fitness
6 spp. total
Stay tuned…

Summary & next steps

little bluestem sideoats grama

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Healthy Prairies Project partners and funders:

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Healthy Prairies Project – Seed Conservation

harvest sites

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Healthy Prairies Project – Beneficial microbes

Endophytes of native MN prairie Role that microbes play in local adaptation of plants

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Healthy Prairies Project – Adaptive capacity

Genetic variation for fitness in natural populations (little bluestem)

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Healthy Prairies Project partners and funders:

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The preceding presentation was delivered at the This and additional presentations available at http://nativeseed.info

2017 National Native Seed Conference

Washington, D.C. February 13-16, 2017