River, Florida, USA. RICE (Oryza sativa L. Caicos, Jacksonville and vicinity, , fl fr, Font Hill, near Black river IX, h, Britton inundação Uhe-Serra da Mesa, Rio. Biodiversity Science, Conservation International, M St. ) AND. . v Shell-O-Gram (Jacksonville Shell. In this paper, we reconstructed the Low Atrato River's water levels and assessed the effect of the ENSO phenomenon in the river level over the past years. NW, Suite , Washington, DC , USA, Tel. ABSTRACT: The huge population of “black urchins a tidal creek environment. Club), 28,7–9. Braz Arch Biol Tech. Creek. Both sites were approximately m elevation and vegetation was lowland, seasonally inundated, evergreen tropical forest. e river was at high. () , Fax: () , e-mail: