The Ghost Shrimp at MacKerricher


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Some species our group observed in the tide pools and the surrounding area.


Anemones under the water.

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A crab found hiding inside a small cave.

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Two pictures of snails living on a shell. The top snail on the left is partially out of his shell.

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This starfish was found in a tide pool near the open water.

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This large starfish was hiding under a rock in the middle of the tide pools.

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Can you see the fish?

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There it is!

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Data

Our group used the measuring tape to observe how many species lived in a meter². The data is formatted similar to the EcoWarrior group (thanks for the idea Frieda, Lori, and Kristy). This data is from two different samples. The question was how many species could we identify in a meter². After we answered the question we migrated to different areas of the tide pools to see what species lived throughout. Over by the caves we found many crabs that we identified at either Dungeness Crab or Red Cancer Crabs. Out on the edge of the tide pools towards the ocean we found a few Aggregate Anemone, several limpets attached to rocks, an Ostrich Plume, and many abandoned Sea Mussel shells.

Organism

Sample 1 Meter²

Sample 2 Meter²

Average Per Meter²

green anemone
10
4
7
snail species
5
17
11
rock cod fish
0
1
.5
crab species
6
8
7
leather star
1
0
.5
plate limpet
1
1
1