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Dr Alan Channing

Hot spring environments and ecosystems through time
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Equisetum and Carex spp. growing at the margin of a small hot spring apron


It looks dry - but below the gravel of sinter chips the sediment is wet. Dense stand of plants between the spring vent and the gravel in the foreground is dominated by Equisetum palustris plus Carex nigra with less common Equisetum arvense.


Living Equisetum stobili and fossil Equisetum fragments in sinter chips.


Margin of the same wetland area where recent inundation by hot spring waters is forming a sinter crust between the stems of sparse Carex maritima.