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Diatom motility and nuclear alterations are affected by sediment elutriates of agricultural streams
(Academic Press Inc Elsevier Science, 2020-12-01)
Diatoms respond to toxicants in lotic systems, and they are commonly considered to be sensitive indicators in environmental safety assessment. In addition to the structural characteristics of the algal populations, recent ...
Efeitos de rejeitos de mineração de ferro sobre a diatomoflora perifítica na bacia do Rio Doce – MG
(Universidade Federal de Minas GeraisBrasilICB - DEPARTAMENTO DE BIOLOGIA GERALPrograma de Pós-Graduação em Ecologia, Conservacao e Manejo da Vida SilvestreUFMG, 2020-10-09)
The Fundão tailings dam spill, occurred in the municipality of Mariana in Minas Gerais state (SE, Brazil), released approximately 39 million cubic meters of iron ore mine tailings in the Doce river basin. The discharged ...
Capitulum compartmentalization in Leucheria (Nassauvieae): Insights into the evolution of Asteraceae inflorescence
(International Association for Plant Taxonomy, 2020-08)
An unusual feature occurs in the capitula of Leucheria (Nassauvieae, Asteraceae), some phyllaries of the involucre are twisted and/or rotated. The different spatial orientations of these phyllaries, called here paleaceous ...
Rol de PALEA1 en la evolución de la flor de las gramíneas
(Universidad Nacional del Litoral, 2019-10)