Revisão taxonômica do gênero Peltogyne Vog. (Leguminosae-Caesalpinioideae)

Silva, Marlene Freitas da

doi:10.1590/1809-43921976061s005

Cited by 16 publications

(28 citation statements)

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“…It is possible that in the studied remnant forests, the natural populations of these species underwent local extinction, particularly in the cases of Aspidosperma album and Centrolobium paraensis due to their history of lumbering or because of their own rarity in nature -as in the case of Peltogyne maranhensis, with only two records for the region, one in Belém and another in Mosqueiro Is. (Silva, 1976). On the other hand, Bertholletia excelsa (Brazil nut tree or castanheira), while not recorded in the fragments, was observed around Belém, mainly along the PA-150 highway.…”

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confidence: 89%

The status of conservation of urban forests in eastern Amazonia

et al. 2012

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This study aims to identify the remnant tree flora in six forest fragments in the metropolitan area of Belém and to analyze these fragments in terms of biological conservation, species richness and diversity in the local urban landscape. The fragments and their respective sampling areas were as follows: Amafrutas reserve (15 ha), Trambioca Is. reserve (2 ha), Bosque Rodrigues Alves city park (15 ha), Combu Is. reserve (10 ha), Gunma Park reserve (10 ha) and Mocambo reserve (5 ha). Inventories were built from lineal plots of 250 m 2 and included trees with DBH equal to or greater than 10 cm at a height of 1.3 m above ground. Sixty-nine families and 759 species, of which eight were officially listed as

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confidence: 89%

The status of conservation of urban forests in eastern Amazonia

et al. 2012

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“…In contrast, a valued timber species endemic to rainforests is found on Coiba Island, Peltogyne purpurea ‘purpleheart’ (Fig. 2d), and its distributional pattern is fragmented (Silva, 1976; Salinas & Cárdenas, 2006), in areas that correspond strikingly well to those of the species of Melikerria we describe. Disjunct distributions among Neotropical meliponines occur both at the species level ( Ptilotrigona occidentalis , Meliponini, Fig.…”

Section: Discussionmentioning

confidence: 64%

“…(d) Relictual distribution pattern of Peltogyne purpurea Pittier. From Silva (1976) and Salinas & Cárdenas (2006).…”

Section: Resultsmentioning

confidence: 99%

The Panama microplate, island studies and relictual species of Melipona (Melikerria) (Hymenoptera: Apidae: Meliponini)

Roubik

Camargo

2011

Systematic Entomology

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The endemic stingless honey‐making bee Melipona (Melikerria) insularissp.n. on Coiba and Ranchería Islands in Pacific Panama is described, together with the proposed sister species, M. ambiguasp.n. from northeast Colombia. The Coiba Island group and Panama mainland were surveyed, yielding one meliponine endemic (M. insularissp.n.) and six meliponine genera and species. The poor Coiba fauna of amphibians and birds corresponds to the poor social bee fauna and suggests habitat barriers generally precluded recolonization from the mainland during glacial periods. Many animals became extinct, yet some remain as relicts. Melipona insularissp.n. was isolated on accreted terranes of Coiba rainforest in the Panama microplate. Morphology suggests that M. insularissp.n. is not a direct descendant of the San Blas‐E. Panama endemic Melikerria, M. triplaridis. A phylogenetic hypothesis corroborates disjunct distributions. Rainforest endemics such as Peltogyne purpurea (Fabaceae) and Ptilotrigona occidentalis (Apidae, Meliponini) also occur as relictual, disjunct populations in Central and South America. These may have been isolated before accelerated biotic exchange began 2.4 Ma. Our work supports the geological findings of both a volcanic arc and the San Blas massif providing a substantial bridge for Melikerria from Colombia and Panama in Eocene to Miocene times. We suggest there have been taxon cycles permitting recolonization during glaciations, whereby colonies of M. insularissp.n. were able to recolonize Ranchería, a 250 ha island, 2 km from Coiba. However, rafting colonies nesting in trees, carried on vegetation mats, may have produced founding populations of Melipona in Central America and on oceanic islands such as Coiba.

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“…Se consultó la revisión del género (Silva 1976), la descripción original de la especie (Martínez 1960) e información recientemente publicada de la misma sobre la morfología, biología, distribución y hábitat de P. mexicana (Navarro-Martínez 2001, Navarro-Martínez et al 2002, Juárez-Agis et al 2013Sotuyo 2014.…”

Section: Materiales Y Métodosunclassified

Propuesta de evaluación para asignar tentativamente riesgo de extinción (ETRE): el caso de Peltogyne mexicana (Leguminosae)

et al. 2018

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Background: The rates of extinction evaluations are slow in relation to the magnitude of the problem. In the case of plants, just about 6 % of the species have been evaluated. On the other hand, it has been determined that the extension of the distribution area is a good predictor of the extinction risk.Questions: Is it possible to speed up the estimate of extinction risk of plant species? Can risk estimates that consider only the area of distribution converge with estimates from already established methods?Taxon: Peltogyne mexicanaStudy site: Guerrero, MexicoMethods: The Evaluation to Assign Tentatively Risk of Extinction (ETRE) was implemented comparing the area of occurrence (AOO), calculated with the GeoCat program, of the tropical timber tree Peltogyne mexicana against the AOO of other tropical trees (all Leguminosae) that are recognized with risk of extinction. The Method of Evaluation of Species at Risk (MER) was implemented and the results were compared.Results: With the implementation of the ETRE it was determined that Peltogyne mexicana has a high extinction risk, category that is confirmed with the MER implementation.Discussion: The suitability of the ETRE is based on the fact that several predictors of the risk of extinction are dependent on the size of the distribution area and that the estimate of the distribution area is amply accepted through the AOO. The ETRE is impartial, easily replicable, which can be implemented previously to evaluations more scrupulous, such as the MER. Actions are suggested to alleviate the risk situation of Peltogyne mexicana.

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Revisão taxonômica do gênero Peltogyne Vog. (Leguminosae-Caesalpinioideae)

Cited by 16 publications

References 1 publication

The status of conservation of urban forests in eastern Amazonia

The status of conservation of urban forests in eastern Amazonia

The Panama microplate, island studies and relictual species of Melipona (Melikerria) (Hymenoptera: Apidae: Meliponini)

Propuesta de evaluación para asignar tentativamente riesgo de extinción (ETRE): el caso de Peltogyne mexicana (Leguminosae)

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