BEACH CHANGES AROUND MISAWA FISHING HARBOR AND FUTURE SHORE PROTECTION

Macroinfauna of Wainui Beach, Gisborne - impact of beach protection structures

Shore protection by oblique seabed bars

Shore protection by small seabed bars was once considered possible because seafloor undulations strongly reflect surface waves of twice the wavelength by the so-called Bragg resonance mechanism. The idea, however, proved “unreliable” when Yu & Mei (J. Fluid Mech., vol. 404, 2000, pp. 251-268) showed that a patch of longshore seabed bars adjacent to a reflective shore could result in larger wave...

Sun protection by families at the beach.

BACKGROUND During the last decade, results of surveys of adults showed an increase in sun protection knowledge, a slight decline in the attitude that having a tan was healthy, widespread sunscreen use as the principal method of solar protection, and an increase in sunburning. METHODS During the summer of 1996, observers recorded the sun protection activities of 352 family groups as they arriv...

Solar protection of children at the beach.

BACKGROUND Excessive sun exposure during childhood has been associated with subsequent development of skin cancers. Children have been advised to avoid sun exposure, use protective clothing, and apply sunscreen lotions, but how completely these recommendations are followed has not been studied. OBJECTIVE To determine the extent of sun protection among children visiting lake beaches, the metho...

Tuna Longline Fishing around West and Central Pacific Seamounts

BACKGROUND Seamounts have been identified as aggregating locations for pelagic biodiversity including tuna; however the topography and prevailing oceanography differ between seamounts and not all are important for tuna. Although a relatively common feature in oceanic ecosystems, little information is available that identifies those that are biologically important. Improved knowledge offers oppo...