Dataset Information

New species of Anthurium Schott (Araceae) from the Kokoi Euja Natural Traditional Reserve of the Pacific coast, Cauca Department, Colombia.

ABSTRACT: The Kõkõi Eujã Natural Traditional Reserve was created in 2019 to protect the golden poison frog (Phyllobates terribilis Myers, Daly & Malkin, 1978) in the Cauca Department of Colombia. As part of the biodiversity inventory of the reserve a new species of Anthurium with scandent habit was discovered. The new species is endemic to Colombia and it is more similar to A. caldodsonii Croat, A. boekei Croat, and A. scandens (Aubl.) Engl., but differs by having widely lanceolate leaves with acuminate apex, cuneate base, and acrodromous venation with three pairs of basal veins.

SUBMITTER: Sanchez-Taborda JA

PROVIDER: S-EPMC7455573 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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Publications

New species of Anthurium Schott (Araceae) from the Kõkõi Eujã Natural Traditional Reserve of the Pacific coast, Cauca Department, Colombia.

Sánchez-Taborda Jhon A JA Llano-Almario Martin M Zuluaga-Tróchez Alejandro A

PhytoKeys 20200821

The Kõkõi Eujã Natural Traditional Reserve was created in 2019 to protect the golden poison frog (Phyllobates terribilis Myers, Daly & Malkin, 1978) in the Cauca Department of Colombia. As part of the biodiversity inventory of the reserve a new species of Anthurium with scandent habit was discovered. The new species is endemic to Colombia and it is more similar to A. caldodsonii Croat, A. boekei Croat, and A. scandens (Aubl.) Engl., but differs by having widely ...[more]

PMID: 32913409

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Project description:Gold mining is one of the major problems of contamination of hydric resources in Colombia, this practice generates a high impact on water quality due to the accumulation of waste during its process. In this study water quality was evaluated in five natural stream beds corresponding to four streams with gold mining operations and one in the Cauca River, taking samples before the water inlet and after the outlet in each operation in the streams of Dios Te Dé, Tamboral, Piedra Imán, and Lorenzo affected by artisanal gold mining labor, which drain into the Salvajina Reservoir on the Cauca River in the municipality of Suárez Cauca, Colombia. Characterization of water bodies in the streams was carried out applying contamination indices of Colombia. The IDEAM protocol was used as guide to monitor the water currents. Samples were taken in 15 stations in the natural stream beds with operations and a sampling station on the Cauca River after the reservoir in these lotic ecosystems, during three periods; two from 2018 and one from 2019. The range of the contamination indices according to the environmental variables were considered. Results show that the contaminants associated with TSS, TUR, and Hg are high in the sampling stations in the output of the operations and the sampling stations of the streams with influence on the operations (T3, T4, I2, I3, D2, and D5). The water quality score according to the ICA IDEAM index varied between acceptable and regular in the different sampling stations. However the Hg concentration in sampling station C1 of the Cauca River is due to contributions from the operations in the amalgamation process. This requires strategic interventions by the communities, miners, operation owners, and control organisms as the Regional Autonomous Corporation of Cauca (CRC) and the Ministry of Environment and Sustainable Development (MADS) to minimize the negative impacts on the hydric resource and ecosystemic services associated with this resource.

Project description:BackgroundMalaria remains endemic in several countries of South America with low to moderate transmission intensity. Regional human migration through underserved endemic areas may be responsible for significant parasite dispersion making the disease resilient to interventions. Thus, the genetic characterization of malarial parasites is an important tool to assess how endemic areas may connect via the movement of infected individuals. Here, four sites in geographically separated areas reporting 80% of the malaria morbidity in Colombia were studied. The sites are located on an imaginary transect line of 1,500 km from the northwest to the south Pacific Coast of Colombia with a minimal distance of 500 km between populations that display noticeable ethnic, economic, epidemiological, and ecological differences.Methodology/principal findingsA total of 624 Plasmodium vivax samples from the four populations were genotyped by using eight microsatellite loci. Although a strong geographic structure was expected between these populations, only moderate evidence of genetic differentiation was observed using a suite of population genetic analyses. High genetic diversity, shared alleles, and low linkage disequilibrium were also found in these P. vivax populations providing no evidence for a bottleneck or clonal expansions as expected from recent reductions in the transmission that could have been the result of scaling up interventions or environmental changes. These patterns are consistent with a disease that is not only endemic in each site but also imply that there is gene flow among these populations across 1,500 km.Conclusion /significanceThe observed patterns in P. vivax are consistent with a "corridor" where connected endemic areas can sustain a high level of genetic diversity locally and can restore parasite-subdivided populations via migration of infected individuals even after local interventions achieved a substantial reduction of clinical cases. The consequences of these findings in terms of control and elimination are discussed.

Dataset Information

New species of Anthurium Schott (Araceae) from the Kokoi Euja Natural Traditional Reserve of the Pacific coast, Cauca Department, Colombia.

Publications

New species of <i>Anthurium</i> Schott (Araceae) from the Kõkõi Eujã Natural Traditional Reserve of the Pacific coast, Cauca Department, Colombia.

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