Subtidal Communities. Hard Bottom Kelp Forests. Figure 10.22. Subtidal Zone. The part of the continental shelf that is always covered by water from the low tide mark to the shelf break (150m or 490 ft). Subtidal Zone. Temperature varies from place to place due to its shallowness
Seagrass Beds (addressed later)
Several species of kelp-community
fishes sheltering near giant kelp, Macrocystis.
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General structure of a West Coast kelp forest, with a complex
understory of plants beneath the dominant Macrocystis or Nereocystis.
Trophic relationships of some dominant members of a southern California kelp community.
Trophic relationships of the common
members of a New England kelp community.