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Effects of Waves on Tide Pool Biodiversity By Emily McDowell, Maile Prickett, Amy Barnes, Carolyn Ezell

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Page 1: EMAC Tide Pools

Effects of Waves on Tide PoolBiodiversity

By Emily McDowell, Maile Prickett, Amy Barnes, CarolynEzell

Page 2: EMAC Tide Pools

Question: Is the Biodiversity in a tide poolecosystem affected by high energy wavesystems?

Hypothesis: There will be greater diversity intide pools that are sheltered.

Page 3: EMAC Tide Pools

Location

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Page 5: EMAC Tide Pools

We went here:

X

X

PointPinos

SiteA

SiteB

Page 6: EMAC Tide Pools

The WavesNorthPacificSwell

Southern Swell

Page 7: EMAC Tide Pools

Project Details

• Analyzed data.

• Found tide pool sites similar in size andelevation.

• Used half of a quadrat to count number ofspecies in each pool.

Page 8: EMAC Tide Pools

Tools

• MeasuringTape

• Compass• Quadrat• Kneel pads• The internet

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Site A

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Site B

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ResultsMore diversity was found at Site A

Relative Density

Biodiversity IndexScores

SiteA

SiteB

Striped ShoreCrabsBlack Turban SnailsThatched BarnaclesRough LimpetsHermit CrabsCalifornia MusselsGreen Anemone

Page 12: EMAC Tide Pools

What does it mean??Possible reasons exposed side ispreferred…• Predation• Nutrient flow

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Conclusions

Possible errors:• Difficulty in identifying

areas of impact• Identifying most

representative sample

Hypothesis was disproved!

The wave watcher. Safety first!

Page 14: EMAC Tide Pools

Future Projects

• Survey the area ahead of time• Take physical measurements• Research the various organisms

Page 15: EMAC Tide Pools

References• Dr. Raskoff• Dr. Durstenfeld• Sanctuarysimon.org• Mikey Selbicky (local

wave enthusiast)