PENNATE DIATOMS (BACILLARIOPHYCEAE) FLORA FROM TWO TROPICAL ESTUARIES IN PERNAMBUCO STATE, BRAZIL

Flora de diatomáceas penadas (Bacillariophyceae) de dois estuários tropicais no Estado de Pernambuco, Brasil

Autores/as

  • Ariadne Nascimento Moura Professor at Graduate Program in Botany, Universidade Federal Rural de Pernambuco
  • Anamaria Silva Diniz PhD student at Graduate Program in Botany, Universidade Federal Rural de Pernambuco
  • Cihelio Alves Amorim PhD student at Graduate Program in Botany, Universidade Federal Rural de Pernambuco
  • Jhullyrson Osman Ferreira Brito Master’s degree student at Graduate Program in Botany, Universidade Federal Rural de Pernambuco
  • Raylane Ribeiro Anunciação Master’s degree student at Graduate Program in Botany, Universidade Federal Rural de Pernambuco
  • Silvano Lima Nascimento Filho PhD student at Graduate Program in Botany, Universidade Federal Rural de Pernambuco
  • Watson Arantes Gama Jr Professor at Graduate Program in Botany, Universidade Federal Rural de Pernambuco

DOI:

https://doi.org/10.36517/acmar.v58i1.80755

Resumen

Pennate diatoms' taxonomic composition in many estuaries and coastal areas worldwide remains unknown. To better understand the biodiversity of planktonic pennate diatoms (Bacillariophyceae) in Northeast Brazil, we conducted a floristic survey in two tropical estuaries in Pernambuco state. Fifty-one species were identified, with Naviculales and Bacillariales being the most representative orders. Gyrosigma subtile was reported for the first time in Brazil; besides, eleven species are new records for Northeast Brazil, and one is for Pernambuco. For the first time, the genera Cymatoneis, Pinnunavis, and Staurophora are described for Northeast Brazil. The results of the work expand the information on the richness of pennate diatoms for tropical estuaries in Northeastern Brazil, presenting descriptions, comments, and illustrations using optical and scanning electron microscopy of the taxa identified in the estuaries of the Botafogo and Paripe rivers - PE.

Keywords: Atlantic Ocean. Floristic survey. New records. Bacillariophyta. Phytoplankton.

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Publicado

2025-06-23

Cómo citar

Nascimento Moura, A., Silva Diniz, A., Alves Amorim, C. ., Osman Ferreira Brito, J. ., Ribeiro Anunciação, R. ., Lima Nascimento Filho, S. ., & Arantes Gama Jr, W. (2025). PENNATE DIATOMS (BACILLARIOPHYCEAE) FLORA FROM TWO TROPICAL ESTUARIES IN PERNAMBUCO STATE, BRAZIL: Flora de diatomáceas penadas (Bacillariophyceae) de dois estuários tropicais no Estado de Pernambuco, Brasil. Arquivos De Ciências Do Mar, 58(1). https://doi.org/10.36517/acmar.v58i1.80755

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