Characterization of the zoning of the rocky coast of the Barra do Una Sustainable Development Reserve Adriana Freitas de Oliveira Pinheiro, Álvaro Luiz Diogo Reigada, Walter Barrella Barrella

Abstract

Rocky shores are found in a large area of ​​the Brazilian coast and are of great ecological and economic importance. The fauna and flora present in consolidated substrates of intertidal rocky shores are composed of sessile, sedentary and motile organisms that are distributed in horizontally arranged zones, where each species is more abundant within the zones with the best survival conditions. The objective of the study was to identify and distribute the species that inhabit the rocky shore zones on Barra do Una beach, carried out in the Barra do Una Sustainable Development Reserve, in the municipality of Peruíbe, in the state of São Paulo. The survey of the species was qualitative and was carried out through observation of photos and videos for later identification. The sampling was carried out following a vertical profile from the supralittoral towards the infralittoral to record the species in the zones, at low tide. When checking the results, it was found that the analyzed coast has a limited variety of organisms, identifying the main ones as Perna perna, Stramonita haemastoma, Phragmatopoma lapidosa and Ulva sp. It is clear that there is not a great diversity of organisms, especially in the area where there is no direct influence of the waves. However, this area of ​​the coast accommodates organisms adapted to survive environmental inconsistencies.