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	Provedor de dados Acta Botanica (3) Autor Carvalho,Marcelo de Araujo (3) Freitas,Aline Gonçalves de (2) Gonçalves-Esteves,Vania (2) Mendonça,Claudia Barbieri Ferreira (2) Fonseca-Silva,Fernanda Mara (1) Ribeiro,Sérvio Pontes (1) Toledo,Mauro Bevilacqua de (1) Mais... Palavra-chave Campos Basin (2) Paleovegetation (2) Holocene (1) Late Pleistocene (1) Non-pollen palynomorphs (1) Paleoecology (1) Palynology (1) Parque Estadual do Rio Doce (PERD) (1) Pollen analysis (1) Pollen descriptions (1) Quaternary (1) South America (1) Spores (1) Mais... Tipo do documento Info:eu-repo/semantics/article (3) Ano 2019 (1) 2015 (1) 2013 (1) País Brazil (3) Idioma Inglês (3)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 3 Primeira ... 1 ... Última Bryophyte and pteridophyte spores and other palynomorphs in quaternary marine sediments from Campos Basin, southeastern Brazil: Core BU-91-GL-05 Acta Botanica Freitas,Aline Gonçalves de; Carvalho,Marcelo de Araujo; Toledo,Mauro Bevilacqua de; Mendonça,Claudia Barbieri Ferreira; Gonçalves-Esteves,Vania. This paper presents morphological descriptions and ecological data of cryptogam spores and other non-pollen palynomorphs from Quaternary sediments of Campos Basin, Rio de Janeiro, SE Brazil. The ages were derived from biostratigraphy of planktonic foraminifers and two radiocarbon dates, and suggest that sediment deposition started in the last 140,000 years BP. Thirty different types of palynomorphs were identified, described, and photographed: two bryophyte spores (sensu lato); 21 pteridophyte spores; four freshwater microalgae; onePseudoschizaea; and two microfungi. Some of the identified spores (Sphagnum, Blechnum, Cyatheaceae, Dennstaedtiaceae, Lycopodiella, Microgramma, Polypodium, Acrostichum, Pityrogramma, and Lygodium) are related to the modern... Tipo: Info:eu-repo/semantics/article Palavras-chave: Campos Basin; Late Pleistocene; Non-pollen palynomorphs; Paleoecology; Spores. Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062015000200161 Palynological evidence of vegetation change during the last 10,000 years in the mid-valley of the Rio Doce, Brazil Acta Botanica Fonseca-Silva,Fernanda Mara; Carvalho,Marcelo de Araujo; Ribeiro,Sérvio Pontes. ABSTRACT In order to reconstruct the vegetation history of the last 10.000 years, palynological analyses were carried out using 17 sedimentary samples of a core drilled in Parque Estadual do Rio Doce (PERD-MG). Twenty-one species of fern spores, 52 species of pollen grains and six species of fungi were identified. Phase 1 (10.375 - 9.350 cal. years BP) is characterized by a low concentration and diversity of pollen grains and is thus interpreted as a fluvial system with the presence of coarse-grained sediments. Phase 2 (9.062 - 8.195 cal. Years BP) is interpreted as a transition from a fluvial to lacustrine environment. Phase 3 (7.905 - 4.785 cal years BP) is characterized by increased trend of palynomorph concentration, highlighted by a high abundance and... Tipo: Info:eu-repo/semantics/article Palavras-chave: Holocene; Paleovegetation; Parque Estadual do Rio Doce (PERD); Pollen analysis; South America. Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062019000100029 Pollen grains in quaternary sediments from the Campos Basin, state of Rio de Janeiro, Brazil: Core BU-91-GL-05 Acta Botanica Freitas,Aline Gonçalves de; Carvalho,Marcelo de Araujo; Mendonça,Claudia Barbieri Ferreira; Gonçalves-Esteves,Vania. Here, we describe pollen grains extracted from a Pleistocene-Holocene sediment core (BU-91-GL-05; 22°48'45"S; 41°54'13"W) taken from the Albacora Slope (22°48'45"S; 41°54'13"W), located in the Campos Basin of the northern region of the state of Rio de Janeiro, Brazil. The analysis resulted in the identification and morphological description of 46 types of pollen: one of a gymnosperm genus (Podocarpus); and 45 of angiosperm taxa across 27 families-one family of monocotyledons (Poaceae) and 26 families (30 types) of dicotyledons. The most common angiosperm families were Amaranthaceae (Chenopodium, Amaranthus and Gomphrena); Fabaceae (Fabaceae type, Bauhinia, Inga and Canavalia); Malpighiaceae (Tetrapteris, Heteropteris and Peixotoa); Malvaceae (Sida,... Tipo: Info:eu-repo/semantics/article Palavras-chave: Palynology; Pollen descriptions; Paleovegetation; Quaternary; Campos Basin. Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062013000400016 Registros recuperados: 3 Primeira ... 1 ... Última

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