TY - JOUR T1 - Use of geographic information systems (GIS) to identify adequate sites for cultivation of the seaweed Gracilaria birdiae in Rio Grande do Norte, Northeastern Brazil JO - Revista Brasileira de Farmacognosia A1 - Sousa, Flavo E. S. de A1 - Moura, Euriel A. A1 - Marinho-Soriano, Eliane SN - 0102-695X UL - 10.1590/S0102-695X2012005000087 VL - 22 Y1 - 2012 PB - Brasil ER -