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	Provedor de dados Boletín de la Sociedad (1) BABT (1) Autor Bini,Luis Maurício (1) Camargo,Antonio Fernando Monteiro (1) Kita,Kazue Kawakita (1) Sala,Silvia Estela (1) Santinelli,Norma Herminia (1) Sastre,Alicia Viviana (1) Souza,Maria Conceição de (1) Thomaz,Sidinei Magela (1) Uyua,Noelia Mariel (1) Mais... Palavra-chave Nuisance species (2) Aquatic macrophytes (1) Diatoms (1) Didymo (1) Egeria densa (1) Egeria najas (1) Itaipu reservoir (1) Morphometry (1) Patagonia (1) Mais... Tipo do documento Info:eu-repo/semantics/article (2) Ano 2016 (1) 1999 (1) País Argentina (1) Brazil (1) Idioma Inglês (2)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 2 Primeira ... 1 ... Última Valve morphology of Didymosphenia geminata (Bacillariophyceae) in Chubut province, Argentina Boletín de la Sociedad Uyua,Noelia Mariel; Santinelli,Norma Herminia; Sastre,Alicia Viviana; Sala,Silvia Estela. Didymosphenia was recently found in Patagonia forming massive proliferations. In Argentina the species scattered in a short time to five provinces. Here, we analyse morphologic and morphometric data of specimens collected at Chubut Province, Argentina, and we compare them with other species of this genus reported from different regions of the world. Materials were collected in two basins during 2010- 2012. Samples analyzed with LM and SEM showed inter and intrapopulation variation in morphometric characteristics and in some valve structures such as spines. The studied material corresponds in valve outline and morphology to D. geminata ssp geminata Metzeltin & Lange-Bertalot. Our materials also resemble a group of species: D. clavaherculis, D.... Tipo: Info:eu-repo/semantics/article Palavras-chave: Diatoms; Didymo; Patagonia; Morphometry; Nuisance species. Ano: 2016 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S1851-23722016000100002 Aquatic macrophytes of Itaipu Reservoir, Brazil: survey of species and ecological considerations BABT Thomaz,Sidinei Magela; Bini,Luis Maurício; Souza,Maria Conceição de; Kita,Kazue Kawakita; Camargo,Antonio Fernando Monteiro. In a survey of the aquatic macrophytes of the Itaipu Reservoir, we identified 62 taxa in 25 families and 42 genera. The highest number taxa was observed for the emergent macrophytes (40 taxa). Reduced fluctuation in water level, increased light penetration, and sediment enrichment by nutrients and organic matter following the formation of the reservoir favored the appearance of a species-rich community of submerged macrophytes (23% of the taxa identified). The aquatic macrophytes were found mainly near the mouths of the main tributaries of the reservoir, in shallow area of depth less than 2 meters. In addition to the shallow depth, the greater nutrient input from the tributaries and relative protection from wind explained this distribution. Among the... Tipo: Info:eu-repo/semantics/article Palavras-chave: Nuisance species; Aquatic macrophytes; Itaipu reservoir; Egeria najas; Egeria densa. Ano: 1999 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89131999000100003 Registros recuperados: 2 Primeira ... 1 ... Última

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