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Seasonal changes	Shell Breccia moves in & out
	It wipes slate clean when ‘in’ – thus chance to study re-colonization

Following barnacles and limpet ‘spat fall’ is main idea here – but this page shows seasonal changes in algal cover – barren in Feb – to covered w Acrosiphonia by June – and then mostly ‘burned off’ by August

	Breccia out a little
	11 days later and better angle/ lighting

May --June 2005

Note the triangular rock - - - --	Acrosiphonia colonized lower levels
	Better angle in late June—compare w 22/04 above

AUGUST

As above and right, the Ulva has flourished while Acrosiphonia declined	Spring’s luxuriance now – burned off – Porphyra & most Acrosiphonia gone

Created by LG on Aug20/2005

Last updated on Sunday, August 21, 2005