s A Field Guide to the British Seaweeds - NMBAQC
s A Field Guide to the British Seaweeds - NMBAQC
s A Field Guide to the British Seaweeds - NMBAQC
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Rhodophyta The red algae exhibit a range of colours from dark red <strong>to</strong> black through<br />
<strong>to</strong> shades of pink, purple and brown and take on a variety of morphological forms.<br />
The decomposition of Rhodophyta species results in a change in colour whereby many<br />
cells turn green, <strong>the</strong>y may also be bleached in bright sunlight changing <strong>to</strong> brown or<br />
yellow in colour. Therefore it is necessary <strong>to</strong> use fresh material in order <strong>to</strong> assist with<br />
<strong>the</strong> first line of taxonomic classification and <strong>to</strong> reduce confusion with some<br />
Phaeophyta species. Rhodophyta species are more commonly found on <strong>the</strong> mid <strong>to</strong><br />
lower shore. Page 31<br />
Reduced species list identification guide as required by <strong>the</strong> Water Framework Directive 22