What a tide pool keeps when the sea retreats
A tide pool holds seawater when the shore empties, then becomes a changing habitat shaped by light, weather, rock and the lives inside it.
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Coastal ecology
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Why a seagrass meadow needs clear water
Seagrass leaves must collect enough light beneath the surface to support the whole plant. Cloudy water, algae, and fine sediment on the leaves change that light budget, while a healthy meadow can help steady the sediment around it.
The mud beneath a salt marsh
A marsh gathers sediment from the tide and builds soil with roots. Measuring the new layer alone can miss whether the ground itself is gaining height.