Tag Archives: tideline

Neaps and Springs: high highs, low highs, and high or low lows.

During the biggest Spring tides of the year, often in September, the height of the water in the Solway Firth might change by almost 10 metres – that’s nearly 33 feet – during the course of one tidal cycle. And … Continue reading

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Hunting for ‘guggies’, and finding ‘canoes’, on the Galloway shore

We went to the Scottish side of the Solway Firth to hunt for a boring mollusc. Or, rather more accurately, for the empty shells of a marine snail, Natica monilifera, known variously as the Necklace Shell, the beaded Nerite, or … Continue reading

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The balance sheet between blue and green

‘A thin blue line’. Of policemen edging a protest march? The blue halo of Earth’s fragile atmosphere as seen from space? No – in this case, a blue line that Robert Alcock painted along a sea-wall in Bilbao in 2011, … Continue reading

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Dune walk (with one diversion)

My guided shore-walks are ‘vertical’, from the bottom to the top of the shore – we usually spend a lot of time looking at the animals near the low water mark, with diversions on the way back to see the … Continue reading

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Boring molluscs and bevelled edges

Dog-whelks, Nucella lapillus, were clustered on the mid-shore rocks in late April; singles, twos and threes, they were apparently uninterested in the barnacles beneath their feet, but were there to socialise or, more specifically, to meet partners of the opposite … Continue reading

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Tidelines

At its highest point on the shore, the turning tide writes a description of the day. Tidelines are historical records: of the lives of plants and animals, and of their deaths; of weather – storms and floods – local and … Continue reading

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