Floristic surveys of aquatic macrophytes in reservoirs in the Agreste zone of Pernambuco State, Brazil

Xavier, Leonardo Rafael Chaves Coelho; Araújo, Talita Oliveira de; Nascimento, Paula Regina Fortunato do; Pereira, Sônia Maria Barreto

doi:10.1590/s0100-84042012000400004

Cited by 6 publications

(5 citation statements)

References 16 publications

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“…Este fato pode estar relacionado a presença de sistemas subterrâneos formados por rizomas e tubérculos. Isso garante maior vantagem em relação a outras espécies na propagação vegetativa e ocupação de ambientes no período da redução da coluna d'água, além da dispersão de suas sementes que ocorrem principalmente pelo vento (França et al, 2003;Matias et al, 2003;Silva & Carniello, 2007;Pivari et al, 2008;Barros, 2009;Xavier et al, 2012).…”

Section: Resultsunclassified

“…As plantas aquáticas são importantes componentes estruturais de áreas úmidas, pois são os principais produtores de matéria orgânica, o que possibilita o estabelecimento de diversas formas de vida nos ambientes aquáticos (Scremin-Dias et al, 1999;Bove et al, 2003). Cabe destacar a grande quantidade de estudos direcionados aos fatores ecológicos, padrões espaciais e temporais de macrófitas aquáticas no Brasil (Esteves & Camargo, 1986;Esteves, 1998;Horne & Goldman, 1994;Bianchini-JR. et al, 2002;Camargo, 2003;Lacoul & Freedman, 2006;Araújo et al, 2012;Alahuhta et al, 2012;Havel et al, 2015;Grimaldo et al, 2016;Asefa et al, 2017;Janes et al, 2017); diferentemente da quantidade de estudos que tratam da composição florística.…”

Section: Introductionunclassified

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Macrófitas Aquáticas Da Coleção Do Herbário Do Maranhão (Mar) = Aquatic Macrophytes of the Collection of Herbarium of Maranhão (Mar)

Arouche

Costa

Rabelo

et al. 2021

Bol. Lab. Hidrobiol.

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Os estudos de macrófitas aquáticas têm contribuído para compreensão estrutural e funcional deste grupo de plantas nos ambientes em questão. Mesmo com a importância dessas pesquisas para a conservação da biodiversidade e dos recursos hídricos, os estudos básicos sobre macrófitas ainda são insuficientes diante da dimensão e do grande número de ecossistemas aquáticos no Brasil. Quando falamos do Maranhão esses estudos são ainda mais escassos tendo em vista que a nossa rede hídrica é composta por 12 bacias hidrográficas que corresponde a aproximadamente 60% do território do Estado. Com intuito de atender essa demanda e conhecer a diversidade de espécies e suas distribuições nos ecossistemas maranhenses, foi feito um levantamento das macrófitas aquáticas registradas no acervo do Herbário Maranhão (MAR), complementado com os dados do SpeciesLink. A lista gerada segue a proposta de classificação do APG IV (2016) incluindo informações como: voucher, local de coleta e formas de vida. Foi listado um total de 40 espécies, distribuídas em 28 gêneros e 18 famílias. As famílias mais numerosas foram Cyperaceae e Onagraceae (5 espécies cada), Araceae e Pontederiaceae (4 spp.) e Alismataceae, Lentibulariaceae e Poaceae (3 spp.). Em relação às formas biológicas, 35% são plantas emergentes, 25% anfíbias; 20% flutuantes livres e 20% flutuantes fixas. O material foi registrado em 19 municípios do Estado e entre as primeiras coletas e outros registros houve um hiato de coleta por 20 anos, o que reforça a falta de dados para a área e a necessidade de maior esforço amostral para o Estado do Maranhão.ABSTRACTStudies of aquatic macrophytes have contributed to the conservation of biodiversity and water resources. However, basic research on macrophytes are still insufficient given the size and large number of aquatic ecosystems in Brazil. Regarding Maranhão, such studies are even scarcer in view of our water network composed of 12 hydrographic basins that correspond to approximately 60% of the territory of Maranhão State. Thus, the objective of the study was to know the diversity and distribution of macrophyte species in the ecosystems of Maranhão registered at the Herbarium in Maranhão (MAR). For this, surveys were carried out in the collection of Herbarium MAR complemented with data from the SpeciesLink databank, and included information such as voucher, collection site and life forms. The survey included 40 species were listed, distributed into 28 genera and 18 families. The most numerous families were Cyperaceae and Onagraceae (5 species, each),Araceae and Pontederiaceae (4 species, each), and Alismataceae, Lentibulariaceae and Poaceae (3 species, each). Regarding biological forms, 35% are emergent, 25% amphibious; 20% free floatingand 20% rooted floating plants. The material was registered in 19 municipalities of the Maranhão State. Among the first collections and recent records there was a collection gap for 20 years, that highlights the need for more sampling effort for Maranhão state.

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Section: Resultsunclassified

Section: Introductionunclassified

Macrófitas Aquáticas Da Coleção Do Herbário Do Maranhão (Mar) = Aquatic Macrophytes of the Collection of Herbarium of Maranhão (Mar)

Arouche

Costa

Rabelo

et al. 2021

Bol. Lab. Hidrobiol.

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“…The notable presence of synanthropic species is associated with the fact that many aquatic environments are close to anthropogenic environments, such as cities, areas of animal husbandry, generally linked to pastures, which may have favored a high number of species of Cyperaceae, Poaceae, Asteraceae and Fabaceae (Henry-Silva, Moura & Dantas, 2010;Xavier, Araújo, Nascimento & Pereira, 2012;Pivari, Viana & Leite, 2013;Machado-Filho, Couto, Bezerra & Melo, 2015;Sabino, Araújo, Cotarelli, Siqueira-Filho & Campelo, 2015).…”

Section: Resultsmentioning

confidence: 99%

The Plants associated with aquatic and marshy environments in the state of Paraíba, northeastern Brazil

et al. 2021

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We present a list of aquatic and wetland plant species from the state of Paraíba, Brazil, based on the collections deposited in national and international herbaria. We identified 290 species belonging to 61 families. The checklist includes habit, localities of the collections in the state of Paraíba, and geographic distribution of each species. The amphibious habit was the most prevalent and the Sertão (semiarid inland region) was the region with the greatest collection effort. New occurrences have been registered for the state (14 species). Although our data reveal a high plant richness, we relate this richness to increased field expeditions.

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“…The most frequently encountered species of CF (E. crassipes, S. auriculata, N. indica and P. stratiotes) are cited as invasive or very frequent in several aquatic ecosystems of Brazil (Ferreira et al 2011;Amaral et al 2008;Pereira et al 2012;Moura-Júnior et al 2015), especially those with high trophic degree (Pott & Pott 2000;Pompêo 2017). Two species endemics to Brazil, exclusive of a state and cited by only one consulted papers (Eriocaulon aquatile and Stachytarpheta bicolor), are on the Red List of species threatened with extinction of the International Union for Conservation of Nature -IUCN (IUCN 2017).…”

Section: Discussionmentioning

confidence: 99%

An update on the knowledge of aquatic macrophytes in Northeast Brazil

Júnior

Cotarelli

2019

Rodriguésia

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We updated the first checklist of aquatic macrophytes from Northeast Brazil (First Flora), which included data collected up to 2010, with a new checklist based on data from works published between 2011 and 2017 (New Flora). Together, these checklists record 637 species of 89 families, with an emphasis on strictly amphibious or emergent species, with 392 and 115 species, respectively. We found differences in observed richness between New Flora and First Flora, with an increase of 106 species in the New Flora. The rarefaction curve shows that a considerable increase in collection effort is necessary to determine the aquatic flora of the studied region. From the compiled data, we suggest new perspectives for floristic inventories of aquatic macrophytes, highlighting the prioritization of poorly studied areas; the exploration of ecological information of the species (e.g., endemism, rarity, threat of extinction or invasive potential); and the promotion of projects on a regional scale.

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Floristic surveys of aquatic macrophytes in reservoirs in the Agreste zone of Pernambuco State, Brazil

Cited by 6 publications

References 16 publications

Macrófitas Aquáticas Da Coleção Do Herbário Do Maranhão (Mar) = Aquatic Macrophytes of the Collection of Herbarium of Maranhão (Mar)

Macrófitas Aquáticas Da Coleção Do Herbário Do Maranhão (Mar) = Aquatic Macrophytes of the Collection of Herbarium of Maranhão (Mar)

The Plants associated with aquatic and marshy environments in the state of Paraíba, northeastern Brazil

An update on the knowledge of aquatic macrophytes in Northeast Brazil

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