Ecosystem (Rocky Shore) Rocky pool. Rocky Shore habitat

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<ul><li> Slide 1 </li> <li> Ecosystem (Rocky Shore) Rocky pool </li> <li> Slide 2 </li> <li> Rocky Shore habitat </li> <li> Slide 3 </li> <li> Zonation </li> <li> Slide 4 </li> <li> Upper Shore Periwinkle algae </li> <li> Slide 5 </li> <li> Middle Shore Barnacle Stalked barnacle Chiton </li> <li> Slide 6 </li> <li> Lower Shore Brown Algae Sea Anemones Sea urchin Goby fish </li> <li> Slide 7 </li> <li> Physical Factors Tidal movement Wave Action Substrate </li> <li> Slide 8 </li> <li> Formation of tide </li> <li> Slide 9 </li> <li> Tidal movement Desiccation Difficulty in gas exchange (gill) High temperature Salinity fluctuation (river, rain, rock pool) rock pool Illumination </li> <li> Slide 10 </li> <li> Rock pool Time Tide in Tide out Temperature salinity </li> <li> Slide 11 </li> <li> Wave Action Wind speed and direction Slope of shore or whether sheltered Effect Buffeting action (tearing ) Washing away Sprays water to upper tide </li> <li> Slide 12 </li> <li> Substrate Soft substratum as muddy and sandy shore Hard surface for attaching Crack for shelter </li> <li> Slide 13 </li> <li> Adaptation Against desiccation, wave and salinity Retreat to sheltered areas Protective cover Internal gill Strong adhesive power (byssus threads, muscular food) Flattened body Red pigment in algae for deep water illumination </li> <li> Slide 14 </li> <li> Cone shaped limpets </li> <li> Slide 15 </li> <li> Up shore Green algae Low shore Brown algae </li> <li> Slide 16 </li> <li> Shell, muscular food </li> <li> Slide 17 </li> <li> Slide 18 </li> <li> Inter-relationship in organisms Predation Competition Commensalism Mutualism Parasitism </li> <li> Slide 19 </li> <li> Food Web. 1 = Detritus, 2 = plankton, 3 = benthic algae, 4 = acorn barnacles, 5 = Mytilus edulis (mussels), 6 = Pollicieps, 7= chitons, 8 = limpets, 9 = Tegula, 10 = Littorina, 11 = Thais, 12 = Pisaster, 13 = Leptasterias. (Diagram from Begon, Harper et al 1990) </li> <li> Slide 20 </li> <li> Other predator </li> <li> Slide 21 </li> <li> Related web site Rocky Shore Plants and Animals http://www.tip.net.au/~sef/amanda/rsdeszon.htm http://www.tip.net.au/~sef/amanda/rsdeszon.htm Intertidal Habitat: Rocky Shores http://darter.ocps.k12.fl.us/classroom/klenk/Rocky.htm Intertidal Organisms http://redbaron.bishops.ntc.nf.ca/wells/fieldtrp/survey.htm Intertidal Zone: Rocky California coast http://www.branson.org/www.branson.org/depts/science/m arbio/Intertidal_Intro.html http://www.branson.org/www.branson.org/depts/science/m arbio/Intertidal_Intro.html </li> <li> Slide 22 </li> <li> Marine biologist </li> </ul>

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