2019
DOI: 10.4236/oalib.1105156
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Are the Alien Species of Melastomataceae and Bombacoideae a Potential Risk for Brazilian Cerrado?

Abstract: The cultivation of species in urban areas for landscaping or consumption has increased in cities surrounded by Cerrado, putting in risk the local flora. Thus, the objective of this paper was to describe seed germination and seedling emergence of five urban cultivated species of Melastomataceae and Bombacoideae and compare them with Cerrado native species to evaluate if they offer any risk to local vegetation. The seeds were collected in the urban area of Uberlândia, within the Brazilian Cerrado. We calculated … Show more

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Cited by 4 publications
(4 citation statements)
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“…Only diaspores having low values of germinability and high values of characters involved in time, uniformity, synchronization and uncertainty of germination should be related to some type of dormancy (Ranal, Santana, & Schiavini, 2010). To make it clear, we can use as a reference a recent report that showed the risks of Melastomataceae and Bombacaceae becoming alien to the Cerrado Biome based on a comparison of germination measurements of 36 species from 18 Families (Mendes‐Rodrigues, Oliveira, Marinho, Romero, & Ranal, 2019). This is the most complete paper using the germination measurements studied here of Cerrado species, and it demonstrates that diaspores in this biome present a wide range of values related to germinability (from 5% for Enterolobium contortisiliquum [Vell.]…”
Section: Discussionmentioning
confidence: 99%
“…Only diaspores having low values of germinability and high values of characters involved in time, uniformity, synchronization and uncertainty of germination should be related to some type of dormancy (Ranal, Santana, & Schiavini, 2010). To make it clear, we can use as a reference a recent report that showed the risks of Melastomataceae and Bombacaceae becoming alien to the Cerrado Biome based on a comparison of germination measurements of 36 species from 18 Families (Mendes‐Rodrigues, Oliveira, Marinho, Romero, & Ranal, 2019). This is the most complete paper using the germination measurements studied here of Cerrado species, and it demonstrates that diaspores in this biome present a wide range of values related to germinability (from 5% for Enterolobium contortisiliquum [Vell.]…”
Section: Discussionmentioning
confidence: 99%
“…As plântulas conseguem se adaptar facilmente a áreas degradadas ou em regeneração. Portanto, a elevada presença de espécies de Miconia é um biomarcador do grau de perturbação ambiental da área (MENDES-RODRIGUES;CAETANO et al 2013;.…”
Section: Introductionunclassified
“…Neste cenário, plântulas da espécie terão um período de tempo neste período de estiagem tem maior risco a sobrevidaLUDEWIG et al 2014;LANNES et al 2020). Em espécies de ambientes secos é comum a menor homogeneidade no tempo de germinação em comparação com espécies de ambientes mais úmidos, o que destoa dos resultados de coeficiente de variação do tempo (19,4% ≤ ≤ 23,6%) aqui reportados(LUDEWIG et al 2014;RANAL et al 2016).Os padrões para o sucesso da dominância são respostas fisiológicas ou adaptativas ao ambiente invadido(MEYER 1998;MENDES-RODRIGUES et al 2019). Em savanas neotropicais, sementes de gramíneas africanas (invasora) mesmo tendo uma menor dispersão, possuem padrão temporal distinto daqueles utilizados por sementes de gramíneas nativas, o que favorece o estabelecimento da gramínea africana nas savanas neotropicais (XAVIER et al diferente do cerrado, as veredas são ambientes com uma maior saturação) e isso pode ter influenciado na germinabilidade dos indivíduos de vereda, pois a espécie pode ter restrições quanto a quantidade de água disponível no solo para iniciar o processo germinativo.…”
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