“Benthic Polychaetes As Bioindicators of Organic Matter in the Intertidal Zone of Santa Clara Island (Gulf of Guayaquil Exterior)”. Revista Científica Ciencias Naturales y Ambientales 7, no. 1 (December 18, 2013): 16. Accessed December 5, 2025. https://revistas.ug.edu.ec/index.php/cna/article/view/1695.