Abstract:Foi realizado o inventário dos musgos em diferentes ecossistemas da Ilha Trambioca, município de Barcarena, PA. Foram encontradas 40 espécies, pertencentes a 20 gêneros e 13 famílias. As famílias com maior número de espécies foram Calymperaceae (12 spp.), Sematophyllaceae (6 spp.) e Leucobryaceae (5 spp.), as quais destacaram-se também quanto ao número de indivíduos. As espécies mais comuns foram Sematophyllum subsimplex (Hedw.) Mitt, Calymperes erosum Müll. Hal., Pilosium chlorophyllum (Hornsch.) Müll. Hal., … Show more
“…The intermediate classes collectively accounted for 289 occurrences and were represented by four frequent species (6.5%), six constant species (9.7%) and ten infrequent species (16.1%). The predominance of rare species and the abundance of a few species in a site has been documented in tropical forests, for nonvascular plants (Santos & Lisboa 2003Souza & Lisboa 2005;Silva & Pôrto 2007;Alvarenga & Lisboa 2009;Ilkiu-Borges et al 2009) and vascular plants (Gotelli & Simberloff 1987;Collins & Glenn 1990;Rees 1995;Boecken & Shachak 1998;van Rensburg et al 2000).…”
The bryophytes of Gurupi Biological Reserve represent an important component of the biodiversity of the Amazon in the Brazilian state of Maranhão. This study aimed to investigate the richness of bryophytes (Marchantiophyta and Bryophyta) from Gurupi Biological Reserve and compare it with that found in other surveys conducted in Maranhão and in the northeastern part of the state of Pará, because the latter shows similarities with the study area in terms of vegetation, geography, demography, and history of occupation. We recorded 983 occurrences of bryophytes (549 Marchantiophyta and 434 Bryophyta) corresponding to 62 species (43 liverworts and 19 mosses), 39 genera, and 12 families. Of those 62 species, 25 have previously been collected from all regions of Brazil, two are restricted to two regions, and four are restricted to the northern (Amazon) region. The bryophyte species identified within the reserve correspond to 28.9% of the known bryophytes in Maranhão and 31.3% of the known bryophytes in northeastern Pará, the reserve therefore more closely resembling the latter area. The exclusively Amazonian elements found in the reserve underscore their affinity for this biome and their presence in the state of Maranhão. The importance of this conservation area to Maranhão and to the Amazon region of the state is confirmed by the high number of new records for the state (41 species), five of which are also new records for northeastern Brazil.
“…The intermediate classes collectively accounted for 289 occurrences and were represented by four frequent species (6.5%), six constant species (9.7%) and ten infrequent species (16.1%). The predominance of rare species and the abundance of a few species in a site has been documented in tropical forests, for nonvascular plants (Santos & Lisboa 2003Souza & Lisboa 2005;Silva & Pôrto 2007;Alvarenga & Lisboa 2009;Ilkiu-Borges et al 2009) and vascular plants (Gotelli & Simberloff 1987;Collins & Glenn 1990;Rees 1995;Boecken & Shachak 1998;van Rensburg et al 2000).…”
The bryophytes of Gurupi Biological Reserve represent an important component of the biodiversity of the Amazon in the Brazilian state of Maranhão. This study aimed to investigate the richness of bryophytes (Marchantiophyta and Bryophyta) from Gurupi Biological Reserve and compare it with that found in other surveys conducted in Maranhão and in the northeastern part of the state of Pará, because the latter shows similarities with the study area in terms of vegetation, geography, demography, and history of occupation. We recorded 983 occurrences of bryophytes (549 Marchantiophyta and 434 Bryophyta) corresponding to 62 species (43 liverworts and 19 mosses), 39 genera, and 12 families. Of those 62 species, 25 have previously been collected from all regions of Brazil, two are restricted to two regions, and four are restricted to the northern (Amazon) region. The bryophyte species identified within the reserve correspond to 28.9% of the known bryophytes in Maranhão and 31.3% of the known bryophytes in northeastern Pará, the reserve therefore more closely resembling the latter area. The exclusively Amazonian elements found in the reserve underscore their affinity for this biome and their presence in the state of Maranhão. The importance of this conservation area to Maranhão and to the Amazon region of the state is confirmed by the high number of new records for the state (41 species), five of which are also new records for northeastern Brazil.
“…Entre os trabalhos realizados em ilhas no Brasil estão dois realizados na Ilha de Fernando de Noronha, PE (Gepp 1891, Vital et al 1991): um em Trindade e Arquipélago de Martins Vaz, RJ (Yano 1998); dois na Ilha de Maracá, RR (Milliken & Ratter 1989, Yano 1992; dois no RJ, na Ilha Grande e Reserva Ecológica de Rio das Pedras (Oliveira-e-Silva & Yano 2000, Oliveira-e-Silva et al 2002; seis trabalhos realizados em nove ilhas costeiras ou continentais no Estado de São Paulo (Yano 1990, Visnadi & Vital 2001, Yano et al 2003, Joyce et al 2006, Peralta & Yano 2008, Yano & Peralta 2008a); e sete realizados em quatro ilhas no Estado do Pará (Lisboa & Maciel 1994, Lisboa et al 1998, 1999, IlkiuBorges et al 2004, Souza & Lisboa 2005.…”
Section: Introductionunclassified
“…Na Ilha de Germoplasma (ilha fluvial artificial), identificaram 25 espécies (13 hepáticas e 12 musgos) e na Ilha de Algodoal-Maiandeua (ilha marinha), Ilkiu-Borges et al (2009) obtiveram um total de 14 espécies (8 hepáticas e 6 musgos). Na Ilha de Trambioca (ilha fluvial), foram estudados somente os musgos (40 espécies), por Souza & Lisboa (2005).…”
-(Bryoflora (Bryophyta and Marchantiophyta) of Combu Island, Belém, Pará State, Brazil). There are a few studies on bryophytes from Brazilian Islands. Most of these studies are concentrated in the States of São Paulo and Pará. From the latter state, the Islands of Marajó, Germoplasma (in the Tucuruí dam reservoir), Algodoal-Maiandeua, and Trambioca were previously. However, considering the insular region of Belém municipality by itself, there are 39 Islands, including Combu Island, which is under environmental protection. It is formed essentially by várzea forest, one of the main types of floodplain Amazonian forests. The aim of this study was to investigate the bryoflora of Combu Island, Belém, Pará State, through species richness and record numbers of mosses and liverworts, by supplying data about the ecology and geographic distribution of the species in Brazil, besides the morphological and taxonomical comments, when necessary. The collections were carried out in 17 plots of 10 × 10 m, being nine in high várzea and eight in low várzea. In total, 72 species were identified (27 mosses and 45 liverworts). Lejeuneaceae was the most representative family with 41 species. Higher species richness and record number ware observed in high várzea.
“…Diversos levantamentos vêm sendo realizados na região amazônica, sendo a maioria deles incluídos no Projeto Briófitas do Estado do Pará, o qual dispõe de informações sobre vários municípios deste Estado que, entre outros, podem ser encontradas em: Lisboa (1993;, Lisboa & Ilkiu-Borges (1997a;, Lisboa & Nazaré (1997;2002), Lisboa et al (1999), Lisboa & Ilkiu-Borges (2001), Ilkiu-Borges & Lisboa (2002a;c;d;, Santos & Lisboa (2003), Osakada & Lisboa (2004), Lisboa & Santos (2005a;, Souza & Lisboa (2005). Nesses trabalhos observa-se sempre registros de novas ocorrências para o Estado do Pará, e em alguns deles até para a Amazônia e Brasil, fato já previsto em Lisboa (1994) onde ressaltou que à medida que fossem realizados mais trabalhos de coletas, novos registros seriam encontrados.…”
São apresentadas no presente trabalho oito hepáticas referidas pela primeira vez para o Estado do Pará, sendo cinco delas novas referências também para a região Norte do país. Todas são provenientes da Estação Científica Ferreira Penna (ECFPn) (1º42'30"S e 51º31'45"W), localizada na Floresta Nacional de Caxiuanã (Flona Caxiuanã, Amazônia Oriental). São elas Ceratolejeunea desciscens (Sande-Lac.) Schiffn., Colura greig-smittii Jovet-Ast, Lejeunea raddiana Lindenb. Gottsche, Rectolejeunea emarginuliflora (Gottsche) A. Evans, Arachniopsis monodactyla (Spruce) R.M. Schust., Plagiochila aerea Tayl., Plagiochila gymnocalycina (Lehm. & Lindenb.) Lindenb. e Plagiochila martiana (Nees) Lindenb. São fornecidos comentários taxonômicos relevantes e ilustrações das espécies.
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