Ph. D. candidate of Universit of Habanna Dr. en Biología, Universidad Central del Ecuador* Supervisors: Vicente Berovides Alvares, Carlos A. Mancina, Luis Albuja Viteri*, and Oswaldo Baez Tobar*
Background Efforts to alleviate the negative effects of oil spills in the Ecuadorian Amazon inclu... more Background Efforts to alleviate the negative effects of oil spills in the Ecuadorian Amazon include remediation activities such as cleaning, reshaping, and revegetation of polluted areas. However, studies of the diversity of biological communities in these hydrocarbon-degraded ecosystems have never been carried out. Here, we evaluated the diversity of dung beetles on remediated soil ecosystems (Agricultural Soils and Sensitive Ecosystems) and on non-contaminated soils (Natural Forests and Palm Plantations). Methodology The study was conducted in Sucumbíos and Orellana provinces, in the Ecuadorian Amazon at four sampling sites per ecosystem type (a total of 16 sites). At each sampling site, six pitfall traps remained active for 120 consecutive h per month for 1 year. Results We collected 37 species and 7,506 individuals of dung beetles. We observed significant differences in mean species abundance, richness, and diversity between non-contaminated soil ecosystems and remediated soil e...
Figure 2. Predictive habitat model using Maxent (AUC value = 0.987), based on 31 specimens with a... more Figure 2. Predictive habitat model using Maxent (AUC value = 0.987), based on 31 specimens with accurate collection sites (black circles) and the new record of Platyrrhinus chocoensis.The shadow under the predictive model corresponds to home range extension before our record. The star represents the new southernmost record reported in this communication.
Figure 1. Frontal (A) and lateral (B) views of a live specimen of Platyrrhinus chocoensis collect... more Figure 1. Frontal (A) and lateral (B) views of a live specimen of Platyrrhinus chocoensis collected byWEPR and RAB in San Antonio Farm (voucher number MIZI2012397). (Table 1). Based on the P. chocoensis vouchers deposited Choco-Darien ecoregion were originally settled in the in MECN, QCAZ, TTU, and on our record, we propose that Esmeraldas, Manabí, Santo Domingo de los Tsáchilas, Los the new species distribution extends to Santo Domingo Rios, Western Pichincha and Eastern Guayas Provinces de los Tsáchilas province (Fig. 2). Furthermore, according (CEPF, 2005), so a record of endemic Chocoan species to Burneo & Tirira (2014), it may extend to the Los Rios was to be expected in any locality of these provinces. In Province and may reach the lowland moist forests of the fact, Burneo & Tirira (2014) predicted the potential south- Los Guayas Province, considering the similar ecological ern extent in the distribution of P. chocoensis before the characteristics of these forests. present rep...
We report the first record of the Choco broad-nosed bat (Plathyrrhinus chocoensis Alberico & Vela... more We report the first record of the Choco broad-nosed bat (Plathyrrhinus chocoensis Alberico & Velazco, 1991) in Santo Domingo de los Tsáchilas province in northwestern Ecuador. This voucher specimen represents the southernmost record of the species and expands its distribution ca. 120 km south. The animal was caught at a farm, specifically in a live fence consisting of several tree species. Preservation of bat species occurring in agricultural landscapes requires local policies and environmental education.
... Mendes Pontes, AR 1997. Habitat partitioning among primates in Maracá Island, Romaira, Northe... more ... Mendes Pontes, AR 1997. Habitat partitioning among primates in Maracá Island, Romaira, Northern Brazilian Amazonia. ... Composición social y costumbres alimenticias del mono araña oriental (Ateles belzebuth belzebuth) en el Parque Nacional Yasuní, Ecuador. ...
Considerando los escasos estudios cientificos realizados sobre la quiropterofauna sobreviviente e... more Considerando los escasos estudios cientificos realizados sobre la quiropterofauna sobreviviente en agrosistemas, se realizo un estudio para conocer la diversidad de murcielagos presentes en dos tipos de cultivos de dos fincas localizadas en dos provincias de la costa ecuatoriana (Pichincha y Santo Domingo de los Tsachilas). La fase de campo se condujo por un lapso de 5 meses en cada finca dando un esfuerzo total de capturas de 2 275 horas red, los animales fueron monitoreados en monocultivos (cercas vivas monoespecificas, pastizales y cacao) y en policultivos (palma con banano, cacao con banano y cercas poliespecificas). Se calcularon indices de diversidad biologica (abundancia, riqueza, Shannon, reciproco de Simpsons, alpha y Hill) de los tipos de cultivo por finca y globales de las dos fincas. Los analisis estadisticos demostraron una similitud en la composicion quiropterologica entre las dos fincas pero diferencias significativas entre tipos de cultivos, siendo la diversificacion...
Background Efforts to alleviate the negative effects of oil spills in the Ecuadorian Amazon inclu... more Background Efforts to alleviate the negative effects of oil spills in the Ecuadorian Amazon include remediation activities such as cleaning, reshaping, and revegetation of polluted areas. However, studies of the diversity of biological communities in these hydrocarbon-degraded ecosystems have never been carried out. Here, we evaluated the diversity of dung beetles on remediated soil ecosystems (Agricultural Soils and Sensitive Ecosystems) and on non-contaminated soils (Natural Forests and Palm Plantations). Methodology The study was conducted in Sucumbíos and Orellana provinces, in the Ecuadorian Amazon at four sampling sites per ecosystem type (a total of 16 sites). At each sampling site, six pitfall traps remained active for 120 consecutive h per month for 1 year. Results We collected 37 species and 7,506 individuals of dung beetles. We observed significant differences in mean species abundance, richness, and diversity between non-contaminated soil ecosystems and remediated soil e...
Figure 2. Predictive habitat model using Maxent (AUC value = 0.987), based on 31 specimens with a... more Figure 2. Predictive habitat model using Maxent (AUC value = 0.987), based on 31 specimens with accurate collection sites (black circles) and the new record of Platyrrhinus chocoensis.The shadow under the predictive model corresponds to home range extension before our record. The star represents the new southernmost record reported in this communication.
Figure 1. Frontal (A) and lateral (B) views of a live specimen of Platyrrhinus chocoensis collect... more Figure 1. Frontal (A) and lateral (B) views of a live specimen of Platyrrhinus chocoensis collected byWEPR and RAB in San Antonio Farm (voucher number MIZI2012397). (Table 1). Based on the P. chocoensis vouchers deposited Choco-Darien ecoregion were originally settled in the in MECN, QCAZ, TTU, and on our record, we propose that Esmeraldas, Manabí, Santo Domingo de los Tsáchilas, Los the new species distribution extends to Santo Domingo Rios, Western Pichincha and Eastern Guayas Provinces de los Tsáchilas province (Fig. 2). Furthermore, according (CEPF, 2005), so a record of endemic Chocoan species to Burneo & Tirira (2014), it may extend to the Los Rios was to be expected in any locality of these provinces. In Province and may reach the lowland moist forests of the fact, Burneo & Tirira (2014) predicted the potential south- Los Guayas Province, considering the similar ecological ern extent in the distribution of P. chocoensis before the characteristics of these forests. present rep...
We report the first record of the Choco broad-nosed bat (Plathyrrhinus chocoensis Alberico & Vela... more We report the first record of the Choco broad-nosed bat (Plathyrrhinus chocoensis Alberico & Velazco, 1991) in Santo Domingo de los Tsáchilas province in northwestern Ecuador. This voucher specimen represents the southernmost record of the species and expands its distribution ca. 120 km south. The animal was caught at a farm, specifically in a live fence consisting of several tree species. Preservation of bat species occurring in agricultural landscapes requires local policies and environmental education.
... Mendes Pontes, AR 1997. Habitat partitioning among primates in Maracá Island, Romaira, Northe... more ... Mendes Pontes, AR 1997. Habitat partitioning among primates in Maracá Island, Romaira, Northern Brazilian Amazonia. ... Composición social y costumbres alimenticias del mono araña oriental (Ateles belzebuth belzebuth) en el Parque Nacional Yasuní, Ecuador. ...
Considerando los escasos estudios cientificos realizados sobre la quiropterofauna sobreviviente e... more Considerando los escasos estudios cientificos realizados sobre la quiropterofauna sobreviviente en agrosistemas, se realizo un estudio para conocer la diversidad de murcielagos presentes en dos tipos de cultivos de dos fincas localizadas en dos provincias de la costa ecuatoriana (Pichincha y Santo Domingo de los Tsachilas). La fase de campo se condujo por un lapso de 5 meses en cada finca dando un esfuerzo total de capturas de 2 275 horas red, los animales fueron monitoreados en monocultivos (cercas vivas monoespecificas, pastizales y cacao) y en policultivos (palma con banano, cacao con banano y cercas poliespecificas). Se calcularon indices de diversidad biologica (abundancia, riqueza, Shannon, reciproco de Simpsons, alpha y Hill) de los tipos de cultivo por finca y globales de las dos fincas. Los analisis estadisticos demostraron una similitud en la composicion quiropterologica entre las dos fincas pero diferencias significativas entre tipos de cultivos, siendo la diversificacion...
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