Conserving California Coast Redwoods Sequoia sempervirens While Preparing for Climate Change

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Conserving California Coast Redwoods (Sequoia
sempervirens) While Preparing for Climate Change

• Team Redwoods are Rad
• (Milli Chennel, Toby Chu, Julia Griffin, Clare
  Shelton)

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Sequoia sempervirens

• Stage Years
• Seedling lt5
• Sapling 5-30
• Pole 30-60
• Small 60-100
• Medium/Large 100-150
• Multilayered 150-2,000
• Associated Tree Species
• Sitka spruce, tan oak, red alder, Douglas fir...
• 193 Animal Species
• Red-legged frog, osprey, ringtail, fisher,
  spotted owl, northern flying squirrel

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Sequoia sempervirens

• Ecosystem Climate
• Temperature Range 16 - 100F
• Winter Precipitation 100 cm
• Coastal fog
• Elevation Sea level - 915 m
• Deep, acidic, alluvial and colluvial soils
• Disturbance
• Fire, flooding, logging
• Rapid succession and regeneration after
  disturbance
• Fire not needed for seed germination
• Dispersal
• ??

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Redwoods in California
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Study Area Redwood Types
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GBM Climate Model
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Present and Future Model
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Future Areas of Suitability
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How do Current Trees Align with Future?
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Areas at Risk and Protected Lands
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Redwoods and Protected Areas
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Ranked Conservation Areas

• Priority Scores
• Present Trees by Type
• Future 10, 20, 30
• Risk of Development
• Conservation Strategies
• Acquire land in priority order where possible
• Conserve land near to already protected areas
• Focus on large areas, not isolated hexagons

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The End

• Questions?