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Otero MA, Grenat PR, Pollo FE, Baraquet M, Martino AL. Effect on growth and development of common toad (Rhinella arenarum) tadpoles in environment related to fluorite mine. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 904:166936. [PMID: 37690762 DOI: 10.1016/j.scitotenv.2023.166936] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 08/23/2023] [Accepted: 09/07/2023] [Indexed: 09/12/2023]
Abstract
Fluorite mining activities have been scarcely evaluated so far and the potential effect of this activity on larval stages is poorly known. Thus, studies addressing the effect of contaminants present in water bodies on the health of amphibian larvae are crucial information for their conservation and constitute a warning sign of environmental modification. This study aims to evaluate the effects of natural and artificial surface waters associated with a fluorite mine on the early life stages of Rhinella arenarum. Using microcosms, we assessed four sites with different degrees of disturbance by the fluorine mine: Vallecitos stream (undisturbed); Cerros Negros upstream of mining camp (low disturbance); Cerros Negro downstream of mining camp (medium disturbance); Decantation Ponds (high disturbance). For 65 days we measured different endpoints at different periods of tadpole development. The highest mortality of tadpoles was observed in the Decantation Ponds. In the same way, larval body condition was lower at Decantation Ponds throughout the study, due mainly to the lower weight. A significant decrease in growth and development was observed in Cerros Negro downstream of the mining camp and Decantation Ponds. No significant differences in growth, development and mortality were observed for the other two sites. At the metamorphic climax we observe a lower body condition and a reduced recruitment of individuals in Decantation Ponds. This study allowed us to assess the effect on larvae of R. arenarum of fluorite mining wastewater compared with other near-natural sites. Given the potentially negative synergic effects of mixed water pollutants on tadpoles, this study suggests that chronic exposure to fluorite mining water may significantly impact the adult amphibian population structure, thus altering population viability. Therefore, we propose to monitor the correct functioning of the mine and especially of Decantation Ponds to avoid discharges into the natural streams.
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Affiliation(s)
- Manuel A Otero
- Instituto de Ciencias de La Tierra, Biodiversidad y Ambiente (ICBIA), UNRC-CONICET, Argentina; Ecología, Departamento de Ciencias Naturales, Facultad de Ciencias Exactas, Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Ruta Nacional N 36 e Km 601, CP 5800 Río Cuarto, Argentina.
| | - Pablo R Grenat
- Instituto de Ciencias de La Tierra, Biodiversidad y Ambiente (ICBIA), UNRC-CONICET, Argentina; Ecología, Departamento de Ciencias Naturales, Facultad de Ciencias Exactas, Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Ruta Nacional N 36 e Km 601, CP 5800 Río Cuarto, Argentina
| | - Favio E Pollo
- Instituto de Ciencias de La Tierra, Biodiversidad y Ambiente (ICBIA), UNRC-CONICET, Argentina; Ecología, Departamento de Ciencias Naturales, Facultad de Ciencias Exactas, Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Ruta Nacional N 36 e Km 601, CP 5800 Río Cuarto, Argentina
| | - Mariana Baraquet
- Instituto de Ciencias de La Tierra, Biodiversidad y Ambiente (ICBIA), UNRC-CONICET, Argentina; Ecología, Departamento de Ciencias Naturales, Facultad de Ciencias Exactas, Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Ruta Nacional N 36 e Km 601, CP 5800 Río Cuarto, Argentina
| | - Adolfo L Martino
- Instituto de Ciencias de La Tierra, Biodiversidad y Ambiente (ICBIA), UNRC-CONICET, Argentina; Ecología, Departamento de Ciencias Naturales, Facultad de Ciencias Exactas, Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Ruta Nacional N 36 e Km 601, CP 5800 Río Cuarto, Argentina
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Pollo F, Salinas Z, Baraquet M, Otero MA, Grenat PR, Salas N, Martino AL, Sinsch U. Hemoparasites Do Not Affect Life-History Traits and Cellular Immune Response in Treefrog Hosts Boana cordobae. Animals (Basel) 2023; 13:3566. [PMID: 38003183 PMCID: PMC10668743 DOI: 10.3390/ani13223566] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 11/15/2023] [Accepted: 11/17/2023] [Indexed: 11/26/2023] Open
Abstract
We provide the first evidence for hemoparasites in the endemic Cordoba treefrog Boana cordobae. We collected 37 adult frogs at 1200 m a.s.l. in the Comechingones Mountains in the Córdoba province (Argentina). Each individual was sexed, then snout-vent length and body mass were recorded, a toe was collected for skeletochronological age determination, and a slide with a blood smear was prepared for hemoparasite screening, before releasing the frogs in situ. A total of 81% (n = 30) of the frogs were infected by hemogregarines and trypanosomes with a high intensity of infections. Dactylosoma was found for the first time in Argentina. Hemoparasites had no significant effect on the leukocyte profile, which we assessed from the May-Grünwald-Giemsa-stained blood smears. The neutrophils/lymphocytes ratio, indicative of stress, was insignificantly higher (0.06) in parasitized frogs than in parasite-free individuals (0.04). Infected frogs were larger than the controls, but this effect vanished when correcting size data for age. Young frogs (first-breeders) dominated the age distribution of parasite-free individuals, suggesting that infection of frogs takes usually place after sexual maturation. Vectors transmitting hemoparasites to B. cordobae remain to be identified. We demonstrate that moderate to high intensities of hemoparasites do not significantly affect the cellular immune response of B. cordobae, or any of the life-history traits studied, nor did they show any external sign of disease.
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Affiliation(s)
- Favio Pollo
- Ecología, Departamento de Ciencias Naturales, Facultad de Ciencias Exactas, Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Ruta Nacional N° 36–km 601, Río Cuarto X5804BYA, Argentina; (F.P.); (Z.S.); (M.B.); (M.A.O.); (P.R.G.); (N.S.); (A.L.M.)
- Instituto de Ciencias de la Tierra, Biodiversidad y Ambiente, Consejo Nacional de Investigaciones Científicas y Técnicas, Rosario S2000EZ, Argentina
| | - Zulma Salinas
- Ecología, Departamento de Ciencias Naturales, Facultad de Ciencias Exactas, Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Ruta Nacional N° 36–km 601, Río Cuarto X5804BYA, Argentina; (F.P.); (Z.S.); (M.B.); (M.A.O.); (P.R.G.); (N.S.); (A.L.M.)
- Instituto de Ciencias de la Tierra, Biodiversidad y Ambiente, Consejo Nacional de Investigaciones Científicas y Técnicas, Rosario S2000EZ, Argentina
| | - Mariana Baraquet
- Ecología, Departamento de Ciencias Naturales, Facultad de Ciencias Exactas, Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Ruta Nacional N° 36–km 601, Río Cuarto X5804BYA, Argentina; (F.P.); (Z.S.); (M.B.); (M.A.O.); (P.R.G.); (N.S.); (A.L.M.)
- Instituto de Ciencias de la Tierra, Biodiversidad y Ambiente, Consejo Nacional de Investigaciones Científicas y Técnicas, Rosario S2000EZ, Argentina
| | - Manuel A. Otero
- Ecología, Departamento de Ciencias Naturales, Facultad de Ciencias Exactas, Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Ruta Nacional N° 36–km 601, Río Cuarto X5804BYA, Argentina; (F.P.); (Z.S.); (M.B.); (M.A.O.); (P.R.G.); (N.S.); (A.L.M.)
- Instituto de Ciencias de la Tierra, Biodiversidad y Ambiente, Consejo Nacional de Investigaciones Científicas y Técnicas, Rosario S2000EZ, Argentina
| | - Pablo R. Grenat
- Ecología, Departamento de Ciencias Naturales, Facultad de Ciencias Exactas, Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Ruta Nacional N° 36–km 601, Río Cuarto X5804BYA, Argentina; (F.P.); (Z.S.); (M.B.); (M.A.O.); (P.R.G.); (N.S.); (A.L.M.)
- Instituto de Ciencias de la Tierra, Biodiversidad y Ambiente, Consejo Nacional de Investigaciones Científicas y Técnicas, Rosario S2000EZ, Argentina
| | - Nancy Salas
- Ecología, Departamento de Ciencias Naturales, Facultad de Ciencias Exactas, Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Ruta Nacional N° 36–km 601, Río Cuarto X5804BYA, Argentina; (F.P.); (Z.S.); (M.B.); (M.A.O.); (P.R.G.); (N.S.); (A.L.M.)
- Instituto de Ciencias de la Tierra, Biodiversidad y Ambiente, Consejo Nacional de Investigaciones Científicas y Técnicas, Rosario S2000EZ, Argentina
| | - Adolfo L. Martino
- Ecología, Departamento de Ciencias Naturales, Facultad de Ciencias Exactas, Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Ruta Nacional N° 36–km 601, Río Cuarto X5804BYA, Argentina; (F.P.); (Z.S.); (M.B.); (M.A.O.); (P.R.G.); (N.S.); (A.L.M.)
- Instituto de Ciencias de la Tierra, Biodiversidad y Ambiente, Consejo Nacional de Investigaciones Científicas y Técnicas, Rosario S2000EZ, Argentina
| | - Ulrich Sinsch
- Department of Biology, Zoology Group, University of Koblenz, 56070 Koblenz, Germany
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Gonçalves IM, Kloh JS, Ruthsatz K, Figueredo CC, Eterovick PC. Description and shaping factors of diet and feeding ecology of neotropical tadpoles: A case study and a comprehensive review. AUSTRAL ECOL 2023. [DOI: 10.1111/aec.13302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/12/2023]
Affiliation(s)
- Iara Matias Gonçalves
- Programa de Pós‐Graduação em Biologia de Vertebrados Pontifícia Universidade Católica de Minas Gerais Belo Horizonte Brazil
| | - Jéssica Stephanie Kloh
- Programa de Pós‐Graduação em Ecologia Conservação e Manejo da Vida Silvestre da Universidade Federal de Minas Gerais Belo Horizonte Brazil
| | - Katharina Ruthsatz
- Zoologisches Institut – Technische Universität Braunschweig Braunschweig Germany
| | - Cleber Cunha Figueredo
- Programa de Pós‐Graduação em Ecologia Conservação e Manejo da Vida Silvestre da Universidade Federal de Minas Gerais Belo Horizonte Brazil
| | - Paula Cabral Eterovick
- Programa de Pós‐Graduação em Biologia de Vertebrados Pontifícia Universidade Católica de Minas Gerais Belo Horizonte Brazil
- Zoologisches Institut – Technische Universität Braunschweig Braunschweig Germany
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de Mira-Mendes CV, de Almeida CSS, Junqueira RA, Cavalcante KP, Ribeiro SMMS, Mariano R, Dias IR, Solé M, Le Pendu Y. The diet of Macrogenioglottus alipioi Carvalho, 1946 (Anura: Odontophrynidae) tadpoles in Atlantic Forest of southern Bahia, Brazil. STUDIES ON NEOTROPICAL FAUNA AND ENVIRONMENT 2020. [DOI: 10.1080/01650521.2020.1861888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Caio Vinícius de Mira-Mendes
- Programa de Pós-graduação em Sistemas Aquáticos Tropicais, Universidade Estadual de Santa Cruz, Ilhéus, Brazil
- Departamento de Ciências Biológicas, Universidade Estadual de Santa Cruz, Ilhéus, Brazil
| | | | - Rubens Alves Junqueira
- Programa de Pós-graduação em Sistemas Aquáticos Tropicais, Universidade Estadual de Santa Cruz, Ilhéus, Brazil
- Departamento de Ciências Biológicas, Universidade Estadual de Santa Cruz, Ilhéus, Brazil
| | | | - Sylvia Maria Moreira Susini Ribeiro
- Programa de Pós-graduação em Sistemas Aquáticos Tropicais, Universidade Estadual de Santa Cruz, Ilhéus, Brazil
- Departamento de Ciências Biológicas, Universidade Estadual de Santa Cruz, Ilhéus, Brazil
| | - Rodolfo Mariano
- Programa de Pós-graduação em Sistemas Aquáticos Tropicais, Universidade Estadual de Santa Cruz, Ilhéus, Brazil
- Departamento de Ciências Biológicas, Universidade Estadual de Santa Cruz, Ilhéus, Brazil
| | - Iuri Ribeiro Dias
- Departamento de Ciências Biológicas, Universidade Estadual de Santa Cruz, Ilhéus, Brazil
- Programa de Pós-graduação em Zoologia, Universidade Estadual de Santa Cruz, Ilhéus, Brazil
| | - Mirco Solé
- Departamento de Ciências Biológicas, Universidade Estadual de Santa Cruz, Ilhéus, Brazil
- Programa de Pós-graduação em Zoologia, Universidade Estadual de Santa Cruz, Ilhéus, Brazil
- Herpetology Section, Zoologisches Forschungsmuseum Alexander Koenig, Bonn, Germany
| | - Yvonnick Le Pendu
- Programa de Pós-graduação em Sistemas Aquáticos Tropicais, Universidade Estadual de Santa Cruz, Ilhéus, Brazil
- Departamento de Ciências Biológicas, Universidade Estadual de Santa Cruz, Ilhéus, Brazil
- Programa de Pós-graduação em Zoologia, Universidade Estadual de Santa Cruz, Ilhéus, Brazil
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