Credits to Peter Sripinyo, Kevin Kazules and Paul Kemp
• Bio 102 Field trip images
• You will see only a handful of the 1000 or so species
Intertidal and coastal communities
• Rocky intertidal • Sandy beaches • Mudflats • Estuaries • Salt marshes • Mangroves • Lagoons
Characteristics • Physical
– Submersion/Exposure : desiccation • Seek shelter in cracks and ledges • Close up
– Waves : crush and tear • Mussel byssal threads, kelp holdfast, muscular foot, flexible flat structures
– Temperature Extremes: direct sunlight, air exposure – Climate Change
• Biological – Space: bulldozing, rapid growth – Competition: intra and inter – Predation – Mutualism – Invasive species
• Chemical – Salinity changes
• Evaporation • rainfall
– Pollution, Nutrients, Runoffs