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ALGAE Division CHLOROPHYTA Division HETEROKONTOPHYTA Division RHODOPHYTA.

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Presentation on theme: "ALGAE Division CHLOROPHYTA Division HETEROKONTOPHYTA Division RHODOPHYTA."— Presentation transcript:

1 ALGAE Division CHLOROPHYTA Division HETEROKONTOPHYTA Division RHODOPHYTA

2 DIVISION CHLOROPHYTA CLASS CHLOROPHYCEAE All shades of green Chlorophyll A + B They are often tolerant of difficult conditions: –Pollution –Reduced salinity Commonly we can find : -In upper half of intertidal regions –In brakish water –On beaches subjest to freshwater run-off –Growing on pier piles –In splash-zone rock pools

3 DIVISION HETEROKONTOPHYTA CLASS PHAEOPHYCEAE Brown algae Chlorophyll + fucoxanthin All are multicellular They are several species on rocky shores In shallow sublittoral situation; few species can tolerate reduced salinities or higher temperatures.

4 DIVISION RHODOPHYTA CLASS RHODOPHYCEAE Red algae Chlorophyll + phycoeritrin + phycocyanin (red pigment) (blue pigment) The colour of different species is very variable They are the most tolerant of reduced light conditions; They can survive in deeper water than other types of plant Many red seaweeds are intolerant of drying out or reduced salinities. –Appear in permanent rock pools. –Very damp areas under larger plants –Sublittoral situations

5 LOWER INTERTIDAL ZONE DIVISION HETEROKONTOPHYTA CLASS PHAEOPHYCEAE Bifurcaria bifurcata Cystoseira tamariscifolia Sargassum muticum Colpomenia peregrina

6 LOWER INTERTIDAL ZONE DIVISION RHODOPHYTA CLASS RHODOPHYCEAE Plocamium cartilagineum Asparagopsis armata Halopithys incurva Gelidium sesquipedale Chondrus crispus Jania rubens Corallina officinalis Lithophyllum incrustans Gelidium attenuatum

7 LOWER INTERTIDAL ZONE DIVISION CHLOROPHYTA CLASS CODIACEAE Codium adhaerens CLASS ULVACEAE Ulva rigida

8 MID INTERTIDAL ZONE DIVISION HETEROKONTOPHYTA CLASS PHAEOPHYCEAE Ralfsia verrucosa

9 MID INTERTIDAL ZONE DIVISION RHODOPHYTA CLASS RHODOPHYCEAE Hildebrandia prototypus

10 Middle Intertidal Zone DIVISION CHLOROPHYTA CLASS CHLOROPHYCEAE Enteromorpha intestinalis

11 Upper Intertidal Zone Blidingia minima (green) Pelvetia canaliculata (brown) Porphyra linearis (red)

12 Lichens MID INTERTIDAL ZONE Lichina pygmaea SUPRATIDAL ZONE Verrucaria maura


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