Copepod fecal pellet production and vertical flux, as well as vertical distributions of copepods, fecal pellets and the heterotrophic dinoflagellate Noctiluca scintillans were monitored in an upwelling plume off the coast of Brazil during 5 d in austral spring. Less than half (20 to 45%) of the pellets produced in the overlying water column reached sediment traps positioned at 30 to 60 m depth,...

On July 27, 1999, the first author found a unilaterally winged adult glowworm in a park in the city of Mainz. Except for the wings on the left side, the specimen exhibited female characteristics that extended to external sexual appendages, the lantern and the gonads. The internal organization showed some remarkable differences between right (wingless) and left (winged) side. The right ovary con...

In the U.S, the two major toxic syndromes caused by harmful algal blooms (HABs) that are found along the entire west coast are paralytic shellfish poisoning (PSP) and domoic acid poisoning (DAP), also known as amnesic shellfish poisoning (ASP). Certain species of phytoplankton from the genus Pseudo-nitzschia, and the genus Alexandrium are concentrated by filter-feeding shellfish and finfish whi...