ECOLOGY OF THE SEASHORE 1 lecture resources Bringing ecology to life ECOLOGY OF THE SEASHORE A complete seashore sampling and quantification course on CD-ROM. PowerPoint presentations showing the species you are likely to find and the techniques you need. LECTURE 2 ZONATION OF ORGANISMS ON THE ROCKY SHORE Photography, text & design by Dr James Merryweather

2 THE ROCKY SHORE

Above & below the high tide line Submerged only at high tide, or never 3 Upper Shore THE ROCKY SHORE Above & below the high tide line Submerged only at high tide, or never

Between high and low tide lines Alternately submerged & exposed 4 Middle Shore Upper Shore THE ROCKY SHORE Between high and low tide lines Alternately submerged & exposed

THE ROCKY SHORE Lower Shore Middle Shore Upper Shore 5 Lower Shore Middle Shore Upper Shore THE ROCKY SHORE Above & below the low tide line Exposed at low tide, or always submerged

Above & below the high tide line Submerged only at high tide, or never 6 Upper Shore THE ROCKY SHORE Above & below the high tide line Submerged only at high tide, or never

Between high and low tide lines Alternately submerged & exposed 7 Upper Shore Middle Shore THE ROCKY SHORE Between high and low tide lines Alternately submerged & exposed

THE ROCKY SHORE Upper Shore Middle Shore Lower Shore 8 Upper Shore Middle Shore Lower Shore THE ROCKY SHORE Above & below the low tide line Exposed at low tide, or always submerged

9 ZONATION of organisms THE ROCKY SHORE

11 Upper Shore ZONATION Upper Shore

12 Plants ZONATION Upper Shore

13 Plants Lichens and Plants ZONATION Upper Shore

14 Plants Lichens and Plants Seaweeds and Lichens ZONATION Upper Shore

Insects and Crustaceans 15 Plants Lichens and Plants Insects and Crustaceans Seaweeds and Lichens ZONATION Upper Shore

16 Middle Shore ZONATION Middle Shore

17 Brown Seaweeds ZONATION Middle Shore

Green and Brown Seaweeds 18 Brown Seaweeds Green and Brown Seaweeds ZONATION Middle Shore

ZONATION Middle Shore Brown Seaweeds 19 Brown Seaweeds Crabs, Periwinkles, Worms, Barnacles, Mussels etc. Green and Brown Seaweeds ZONATION Middle Shore

20 Lower Shore ZONATION Lower Shore

21 Brown, Green and Red Seaweeds ZONATION Lower Shore

22 Kelp beds Brown, Green and Red Seaweeds ZONATION Lower Shore

ZONATION Lower Shore Great diversity of animals in many phyla 23 Great diversity of animals in many phyla Kelp beds Brown, Green and Red Seaweeds ZONATION Lower Shore

Zonation is illustrated by barnacles and many mobile 24 Zonation is illustrated by barnacles and many mobile animals, as well as by firmly fixed seaweeds and lichens