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NorthCoast's Regional Information
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NATURE
Sea,
land, river ECONOMY
Regional PLACE
Books+ PEOPLES
Community ------------------ I tried
following spat fall on the smaller boulder last year – but area too chaotic –
was both moved and cleaned off by predators |
Anemone is
left hanging --- breccia levels move up & down |
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Stability in chaos Contrasting BouldersThe larger one
is ‘stable’ but the one with blue arrow is moved around by strong waves The latter
showed active spat settling in early August (see below for
details) – while the
‘stable’ one shows none – How do the spat choose one and not the other? Are
the ‘avoiding’ ‘predator’ on the more ‘stable’ boulder |

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Anemones may
be ‘left overs’ from last year But small
brown dots left drew my attention |
Above is the
actively settling one and below is closer look |
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The limpets
(2 kinds?) are this years Different
spat sizes interpreted as differing settling dates Here 1-6 |
Here is
virtual magnification --- at least 6 different sizes (ages?) of Chthalmus
barnacle – Nothe the beak on the Semibalanus (1st year?) |
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Created by LG on
AUG 21/2005
Last updated on Sunday, August 21, 2005