Sandy beach habitat & community

I. Conditions

• A. Wave action

Effects of wave

energy on shoreline grade and material

Fig. 11.25

I. Conditions

• A. Wave action

• B. Lack of a firm substrate

Additionof

sandbarsto existingbeaches

I. Conditions

• A. Wave action

• B. Lack of a firm substrate

• C. Water availability

I. Conditions

• A. Wave action

• B. Lack of a firm substrate

• C. Water availability

• D. Temperature

I. Conditions

• A. Wave action

• B. Lack of a firm substrate

• C. Water availability

• D. Temperature

• E. Infauna

II. Zonation and communities of sandy beach habitat

II. Zonation and communities of sandy beach habitat

• A. Upper beach

II. Zonation and communities of sandy beach habitat

• A. Upper beach

–1. Conditions

II. Zonation and communities of sandy beach habitat

• A. Upper beach

–1. Conditions

–2. Organisms

Ghost crab

Beach hoppers and sand fleas

II. Zonation and communities of sandy beach habitat

• A. Upper beach

• B. Strand line

Surf zone egg cases

Moon snail egg collar

II. Zonation and communities of sandy beach habitat

• A. Upper beach

• B. Strand line

• C. Intertidal

II. Zonation and communities of sandy beach habitat

• A. Upper beach

• B. Strand line

• C. Intertidal

–1. Conditions

II. Zonation and communities of sandy beach habitat

• C. Intertidal

–1. Conditions

–2. Interstitial community

Some members of the interstitial community

II. Zonation and communities of sandy beach habitat

• A. Upper beach

• B. Strand line

• C. Intertidal

–1. Conditions

–2. Interstitial community

–3. Macroscopic community

Mole crabs - Emertia

Mole crab anatomy

Sandy beach burrowers

Shore birds feeding on infauna - Fig 12.12

Horseshoe crabs mating

II. Zonation and communities of sandy beach habitat

• A. Upper beach

• B. Strand line

• C. Intertidal

• D. Lower beach

II. Zonation and communities of sandy beach habitat

• A. Upper beach

• B. Strand line

• C. Intertidal

• D. Lower beach

–1. Conditions

II. Zonation and communities of sandy beach habitat

• A. Upper beach

• B. Strand line

• C. Intertidal

• D. Lower beach

–1. Conditions

–2. Organisms

III. Dune zonation & communities• A. Primary dune

Dune formation

Primary dune

III. Dune zonation & communities• A. Primary dune

• B. Swale

III. Dune zonation & communities• A. Primary dune

• B. Swale

• C. Secondary dune

Secondary dune

III. Dune zonation & communities• A. Primary dune

• B. Swale

• C. Secondary dune

• D. Maritime forest

Maritime forest