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Pinotti JD, Martin ML, Chiappero MB, Andreo V, González-Ittig RE. Combining phylogeography and ecological niche modeling to infer the evolutionary history of the Cordoba vesper mouse (Calomys venustus). Integr Zool 2024; 19:913-928. [PMID: 38287190 DOI: 10.1111/1749-4877.12805] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2024]
Abstract
The evolutionary dynamics of the ecoregions of southern South America and the species that inhabit them have been poorly studied, and few biogeographic hypotheses have been proposed and tested. Quaternary climatic oscillations are among the most important processes that have led to the current distribution of genetic variation in different regions of the world. In this work, we studied the evolutionary history and distribution of the Córdoba vesper mouse (Calomys venustus), a characteristic rodent of the region of which little is known about its natural history. Since the population dynamics of this species are influenced by climatic factors, this rodent is a suitable model to study the effects of Quaternary climatic oscillations in central Argentina. The mitochondrial cytochrome b gene was sequenced to analyze the phylogeography of C. venustus, and ecological niche modeling tools were used to map its potential distributions. The results of these approaches were combined to provide additional spatially explicit information about this species' past. Our results suggest that the Espinal was the area of origin of this species, which expanded demographically and spatially during the last glacial period. A close relationship was found between the Espinal and the Mountain Chaco. These results are consistent with previous studies and emphasize the role of the Espinal in the biogeographic history of southern South America as an area of origin of several species.
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Affiliation(s)
- Juan Diego Pinotti
- Instituto de Diversidad y Ecología Animal (IDEA), CONICET and Universidad Nacional de Córdoba, Argentina
- Instituto de Altos Estudios Espaciales "Mario Gulich" (UNC-CONAE), Falda del Cañete, Córdoba, Argentina
| | - María Laura Martin
- Instituto Nacional de Enfermedades Virales Humanas Dr. Julio I. Maiztegui, Pergamino, Argentina
| | - Marina Beatriz Chiappero
- Instituto de Diversidad y Ecología Animal (IDEA), CONICET and Universidad Nacional de Córdoba, Argentina
- Cátedra de Genética de Poblaciones y Evolución, Facultad de Ciencias Exactas, Físicas y Naturales, UNC, Córdoba, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina
| | - Verónica Andreo
- Instituto de Altos Estudios Espaciales "Mario Gulich" (UNC-CONAE), Falda del Cañete, Córdoba, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina
| | - Raúl Enrique González-Ittig
- Instituto de Diversidad y Ecología Animal (IDEA), CONICET and Universidad Nacional de Córdoba, Argentina
- Cátedra de Genética de Poblaciones y Evolución, Facultad de Ciencias Exactas, Físicas y Naturales, UNC, Córdoba, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina
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Effective dispersal and genetic structure of a small mammal in an intensively managed agricultural landscape: is there any barrier to movement? Evol Ecol 2023. [DOI: 10.1007/s10682-023-10233-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/07/2023]
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3
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Gebrezgiher GB, Makundi RH, Katakweba AAS, Belmain SR, Lyimo CM, Meheretu Y. Arthropod Ectoparasites of Two Rodent Species Occurring in Varied Elevations on Tanzania’s Second Highest Mountain. BIOLOGY 2023; 12:biology12030394. [PMID: 36979086 PMCID: PMC10045264 DOI: 10.3390/biology12030394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Revised: 02/23/2023] [Accepted: 02/24/2023] [Indexed: 03/06/2023]
Abstract
Climate change causes organisms, including species that act as parasite reservoirs and vectors, to shift their distribution to higher altitudes, affecting wildlife infestation patterns. We studied how ectoparasite distributions varied with altitude using two rodent species, Montemys delectorum and Rhabdomys dilectus, at different elevations (1500–3500 m). The ectoparasites infesting the two rodent species were influenced by the host sex, species, and temperature. We expected host density to predict parasite infestation patterns, because hosts in higher densities should have more parasites due to increased contact between individuals. However, temperature, not host density, affected ectoparasite distribution. Since temperatures decrease with elevation, parasite prevalences and abundances were lower at higher elevations, highlighting that the cold conditions at higher elevations limit reproduction and development—this shows that higher elevation zones are ideal for conservation. The rodents and ectoparasite species described in this study have been reported as vectors of diseases of medical and veterinary importance, necessitating precautions. Moreover, Mount Meru is a refuge for a number of endemic and threatened species on the IUCN Red List. Thus, the parasitic infection can also be an additional risk to these critical species as well as biodiversity in general. Therefore, our study lays the groundwork for future wildlife disease surveillance and biodiversity conservation management actions. The study found a previously uncharacterized mite species in the Mesostigmata group that was previously known to be a parasite of honeybees. Further investigations may shed light into the role of this mite species on Mount Meru.
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Affiliation(s)
- Genet B. Gebrezgiher
- African Centre of Excellence for Innovative Rodent Pest Management and Biosensor Technology Development, Sokoine University of Agriculture, Morogoro P.O. Box 3110, Tanzania
- Institute of Pest Management, Sokoine University of Agriculture, Morogoro P.O. Box 3110, Tanzania
- Department of Wildlife Management, Sokoine University of Agriculture, Morogoro P.O. Box 3073, Tanzania
- Department of Biology, Mekelle University, Mekelle P.O. Box 231, Ethiopia
- Correspondence: ; Tel.:+255-710-421-237
| | - Rhodes H. Makundi
- African Centre of Excellence for Innovative Rodent Pest Management and Biosensor Technology Development, Sokoine University of Agriculture, Morogoro P.O. Box 3110, Tanzania
- Institute of Pest Management, Sokoine University of Agriculture, Morogoro P.O. Box 3110, Tanzania
| | - Abdul A. S. Katakweba
- African Centre of Excellence for Innovative Rodent Pest Management and Biosensor Technology Development, Sokoine University of Agriculture, Morogoro P.O. Box 3110, Tanzania
- Institute of Pest Management, Sokoine University of Agriculture, Morogoro P.O. Box 3110, Tanzania
| | - Steven R. Belmain
- Natural Resources Institute, University of Greenwich, Chatham Maritime ME4 4TB, UK
| | - Charles M. Lyimo
- Department of Animal, Aquaculture and Range Sciences, Sokoine University of Agriculture, Morogoro P.O. Box 3004, Tanzania
| | - Yonas Meheretu
- Department of Biology, Mekelle University, Mekelle P.O. Box 231, Ethiopia
- Institute of Mountain Research and Development, Mekelle University, Mekelle P.O. Box 3102, Ethiopia
- Department of Wildlife, Fish and Environmental Studies, Swedish University of Agricultural Sciences, 901 83 Umea, Sweden
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Villarreal A, Zambrano-Cevallos R, Brito J, Burneo SF. Movement and habitat use of three high Andean rodent species (Cricetidae: Sigmodontinae) in Andean páramos of Ecuador. NEOTROPICAL BIODIVERSITY 2022. [DOI: 10.1080/23766808.2022.2132023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Affiliation(s)
- Ariatna Villarreal
- Museo de Zoología, Escuela de Biología, Pontificia Universidad Católica del Ecuador (PUCE), Quito, Ecuador
| | | | - Jorge Brito
- Instituto Nacional de Biodiversidad (INABIO), Quito, Ecuador
| | - Santiago F. Burneo
- Museo de Zoología, Escuela de Biología, Pontificia Universidad Católica del Ecuador (PUCE), Quito, Ecuador
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Galantinho A, Santos S, Eufrázio S, Silva C, Carvalho F, Alpizar-Jara R, Mira A. Effects of roads on small-mammal movements: Opportunities and risks of vegetation management on roadsides. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2022; 316:115272. [PMID: 35580507 DOI: 10.1016/j.jenvman.2022.115272] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2021] [Revised: 05/06/2022] [Accepted: 05/07/2022] [Indexed: 06/15/2023]
Abstract
Roads can block animal movement and reduce persistence of species living in road surroundings. Movement restrictions on local populations may even increase extinction risk of abundant small mammals. However, road verges (road managed area between the edge of the road and the beginning of private land) may provide refuge and corridors for small mammals when properly managed. Information on the effects of roads and roadside management on small-mammal movement is still scarce for low traffic roads (<20,000 vehicles per day) crossing well-preserved habitats. We aimed to fill this gap by comparing fine-scale movement patterns of wood mice (Apodemus sylvaticus) in a road and in a similar roadless area without management. Both areas consisted of a well-preserved Mediterranean agro-silvo pastoral system. We studied several movement patterns: road crossings, verge use, length, and direction of movement. Additionally, we assessed how roadside management, animals' sex and residency status, season and microhabitat affect movement at the road area. At the roadless area, we defined a virtual road and verges at equivalent locations to the road area for comparison purposes. We gathered capture-mark-recapture data for two years to characterize movement patterns. Wood mice tended to avoid the road by crossing it less often and moving away from it more frequently than from equivalent locations in the roadless area. Wood mice used road verges more frequently than virtual verges and moved more often parallel to the road than to the virtual road. Road crossings were more frequent after firebreak openings (strips of mowed land) in surrounding areas and near taller shrubs. Also, males used road verges more often than females. Differences on several movement patterns between areas and their trends within the road area can be explained mainly by the presence of the road and roadside vegetation management (e.g., firebreaks openings). We suggest roadside vegetation management practices (e.g., avoid land mowing; maintain vegetation strips) to promote the role of verges as refuges and/or corridors for small mammals.
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Affiliation(s)
- Ana Galantinho
- UBC - Conservation Biology Unit, Biology Department, University of Évora, Pólo da Mitra, 7002-554, Évora, Portugal; MED - Mediterranean Institute for Agriculture, Environment and Development, Institute for Advanced Studies and Research, Universidade de Évora, Pólo da Mitra, Ap. 94, 7006-554, Évora, Portugal.
| | - Sara Santos
- UBC - Conservation Biology Unit, Biology Department, University of Évora, Pólo da Mitra, 7002-554, Évora, Portugal; MED - Mediterranean Institute for Agriculture, Environment and Development, Institute for Advanced Studies and Research, Universidade de Évora, Pólo da Mitra, Ap. 94, 7006-554, Évora, Portugal
| | - Sofia Eufrázio
- MED - Mediterranean Institute for Agriculture, Environment and Development, Institute for Advanced Studies and Research, Universidade de Évora, Pólo da Mitra, Ap. 94, 7006-554, Évora, Portugal
| | - Carmo Silva
- UBC - Conservation Biology Unit, Biology Department, University of Évora, Pólo da Mitra, 7002-554, Évora, Portugal; MED - Mediterranean Institute for Agriculture, Environment and Development, Institute for Advanced Studies and Research, Universidade de Évora, Pólo da Mitra, Ap. 94, 7006-554, Évora, Portugal
| | - Filipe Carvalho
- Research Center in Biodiversity and Genetic Resources (CIBIO-InBIO), University of Porto, Campus Agrário de Vairão, 4485-661, Vairão, Portugal; Department of Zoology and Entomology, School of Biological and Environmental Sciences, University of Fort Hare, Private Bag X1314, Alice, 5700, South Africa
| | - Russell Alpizar-Jara
- Research Center in Mathematics and Applications (CIMA-UE), Institute for Advanced Studies and Research, Department of Mathematics, School of Science and Technology, University of Évora, Rua Romão Ramalho 59, 7000-671, Évora, Portugal
| | - António Mira
- UBC - Conservation Biology Unit, Biology Department, University of Évora, Pólo da Mitra, 7002-554, Évora, Portugal; MED - Mediterranean Institute for Agriculture, Environment and Development & Departamento de Biologia, Escola de Ciências e Tecnologia, Universidade de Évora, Pólo da Mitra, Ap. 94, 7006-554, Évora, Portugal
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6
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Ectoparasite load of small mammals in the Serengeti Ecosystem: effects of land use, season, host species, age, sex and breeding status. Parasitol Res 2022; 121:823-838. [PMID: 35122139 PMCID: PMC8858283 DOI: 10.1007/s00436-022-07439-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Accepted: 01/11/2022] [Indexed: 11/03/2022]
Abstract
Ectoparasite load in small mammals can be influenced by both environmental conditions and host species characteristics. However, the nature of these influences is poorly understood in many ecosystems. We used zero-inflated negative binomial (ZINB) regression models with a log link function to assess variation in ectoparasite load among 19 small mammal host species across different land uses (protection in a park, pastoralism and agriculture), habitat types, seasons, age classes, sexes and breeding statuses. We collected 4258 ectoparasites from 612 individual belonging to 19 different species of small mammals. The average ectoparasite load per individual was higher in the pastoral and agricultural lands than in the National Park. Ectoparasite load varied among species and was the highest for the four common and generalist small mammal species (Aethomys sp., Arvicanthis niloticus, Mastomys natalensis, and Gerbilliscus vicinus), most notably in the disturbed pastoral and agricultural lands. It was also higher in the dry than the wet season and for adult males than adult females. These patterns partly reflect the greater mobility of small mammals in the drier conditions; in addition the large body size and home range of males increase the likelihood of encountering parasites. Human disturbance was associated with elevated ectoparasitic load among the small mammals and hence elevated risk of transmission of ectoparasites to humans. As a result, understanding the effect of habitat disturbance on ectoparasite load and its link to zoonotic disease risk should be an important conservation goal and public health priority. Moreover, effective pest control strategies should consider variation in ectoparasite load with land use, habitat type, season and species characteristics.
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Gorosito I, BenÍtez A, Busch M. Home range variability, spatial aggregation, and excursions of Akodon azarae and Oligoryzomys flavescens in Pampean agroecosystems. Integr Zool 2020; 15:401-415. [PMID: 32304184 DOI: 10.1111/1749-4877.12437] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Rodents are reservoirs of various types of hantavirus, some of which are agents of hantavirus pulmonary syndrome in humans. Each hantavirus is associated with a single rodent host species but successive spill-over events may eventually lead to host-switching and new species' becoming host of a given pathogen. This study aims to gain an understanding of the spatial ecology of two hantavirus-host species, Akodon azarae, and Oligoryzomys flavescens, by identifying factors modulating their home range sizes and stability, and by evaluating intra- and interspecific spatial aggregation for these species and a third one-Oxymycterus rufus-living in sympatry. For this, eleven capture-mark-recapture surveys were carried out, spanning 22 months. We found that A. azarae males have larger and more mobile home ranges than females, independently of the season. Consequently, males could likely have a more relevant role in the transmission of hantavirus because of their greater exposure both to a higher number of contacts between individuals and viral contamination of the environment. Contrasting, O. flavescens individuals showed negligible displacements of their home range through time, which could limit the range of hantavirus spread in host populations. Since O. flavescens is host to Lechiguanas hantavirus (pathogenic to humans) this result encompasses epidemiological relevance, for it may imply the existence of local foci of infection. Additionally, individuals of both species performed excursions outside their home ranges. These events could enable hantavirus spread over distances beyond the normal range of movements and lead to new hantavirus outbreaks in formerly non-infected rodent populations, favoring the persistence of the virus in nature.
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Affiliation(s)
- Irene Gorosito
- Laboratorio de, Ecología de Poblaciones, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, and Instituto de Ecología, Genética y Evolución de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
| | - Ailén BenÍtez
- Laboratorio de Ecología de Poblaciones, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Maria Busch
- Laboratorio de Ecología de Poblaciones, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, and Instituto de Ecología, Genética y Evolución de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
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8
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Vera NS, Chiappero MB, Priotto JW, Sommaro LV, Steinmann AR, Gardenal CN. Genetic structure of populations of the Pampean grassland mouse, Akodon azarae, in an agroecosystem under intensive management. Mamm Biol 2019. [DOI: 10.1016/j.mambio.2019.07.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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9
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Gomez MD, Goijman AP, Coda J, Serafini V, Priotto J. Small mammal responses to farming practices in central Argentinian agroecosystems: The use of hierarchical occupancy models. AUSTRAL ECOL 2018. [DOI: 10.1111/aec.12625] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- María daniela Gomez
- GIEPCO; Departamento de Ciencias Naturales; Universidad Nacional de Río Cuarto-Consejo Nacional de Investigaciones Científicas y Técnicas; Casilla de correo N° 3 Río Cuarto Córdoba 5800 Argentina
| | - Andrea Paula Goijman
- Instituto de Recursos Biológicos; CIRN; Instituto Nacional de Tecnología Agropecuaria (INTA); Hurlingham Buenos Aires Argentina
| | - José Coda
- GIEPCO; Departamento de Ciencias Naturales; Universidad Nacional de Río Cuarto-Consejo Nacional de Investigaciones Científicas y Técnicas; Casilla de correo N° 3 Río Cuarto Córdoba 5800 Argentina
| | - Vanesa Serafini
- GIEPCO; Departamento de Ciencias Naturales; Universidad Nacional de Río Cuarto-Consejo Nacional de Investigaciones Científicas y Técnicas; Casilla de correo N° 3 Río Cuarto Córdoba 5800 Argentina
| | - José Priotto
- GIEPCO; Departamento de Ciencias Naturales; Universidad Nacional de Río Cuarto-Consejo Nacional de Investigaciones Científicas y Técnicas; Casilla de correo N° 3 Río Cuarto Córdoba 5800 Argentina
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10
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da Rosa CA, Secco H, Carvalho N, Maia AC, Bager A. Edge effects on small mammals: Differences between arboreal and ground-dwelling species living near roads in Brazilian fragmented landscapes. AUSTRAL ECOL 2017. [DOI: 10.1111/aec.12549] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Clarissa Alves da Rosa
- Instituto Fauna Selvagem; Street 3600, n 232 88330-248 Balneário Camboriú Santa Catarina Brazil
| | - Helio Secco
- Núcleo em Ecologia e Desenvolvimento Sócio-Ambiental de Macaé; Universidade Federal do Rio de Janeiro; Macaé Rio de Janeiro Brazil
| | - Nathália Carvalho
- Laboratório de Estudos e Projetos em Manejo Florestal; Universidade Federal de Lavras; Lavras Minas Gerais Brazil
| | - Ana Carolina Maia
- Brazilian Center for Road Ecology Research; Universidade Federal de Lavras; Lavras Minas Gerais Brazil
| | - Alex Bager
- Brazilian Center for Road Ecology Research; Universidade Federal de Lavras; Lavras Minas Gerais Brazil
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11
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Tabeni S, Miguel MF, Campos CM, Cona M. Small mammal abundance and seed predation across boundaries in a restored-grazed woodland interface. Restor Ecol 2017. [DOI: 10.1111/rec.12600] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Solana Tabeni
- Instituto Argentino de Investigaciones de las Zonas Aridas (IADIZA); CCT-CONICET Mendoza, UNCuyo, Gobierno de Mendoza; Av. A. Ruiz Leal s/n. Parque General San Martín, CC 507, CP 5500 Mendoza Argentina
| | - M. Florencia Miguel
- Instituto Argentino de Investigaciones de las Zonas Aridas (IADIZA); CCT-CONICET Mendoza, UNCuyo, Gobierno de Mendoza; Av. A. Ruiz Leal s/n. Parque General San Martín, CC 507, CP 5500 Mendoza Argentina
| | - Claudia M. Campos
- Instituto Argentino de Investigaciones de las Zonas Aridas (IADIZA); CCT-CONICET Mendoza, UNCuyo, Gobierno de Mendoza; Av. A. Ruiz Leal s/n. Parque General San Martín, CC 507, CP 5500 Mendoza Argentina
| | - Mónica Cona
- Instituto Argentino de Investigaciones de las Zonas Aridas (IADIZA); CCT-CONICET Mendoza, UNCuyo, Gobierno de Mendoza; Av. A. Ruiz Leal s/n. Parque General San Martín, CC 507, CP 5500 Mendoza Argentina
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12
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Bonatto F, Priotto J, Coda J, Steinmann AR. Female Intrasexual Territoriality and its Potential Adaptive Significance: The Pampean Grassland Mouse as an Ecological Model Species. Ethology 2017. [DOI: 10.1111/eth.12592] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Florencia Bonatto
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET); Universidad Nacional de Río Cuarto; Río Cuarto Córdoba Argentina
- Grupo de Investigaciones en Ecología Poblacional y Comportamental (GIEPCO); Departamento de Ciencias Naturales; Universidad Nacional de Río Cuarto; Río Cuarto Córdoba Argentina
| | - José Priotto
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET); Universidad Nacional de Río Cuarto; Río Cuarto Córdoba Argentina
- Grupo de Investigaciones en Ecología Poblacional y Comportamental (GIEPCO); Departamento de Ciencias Naturales; Universidad Nacional de Río Cuarto; Río Cuarto Córdoba Argentina
| | - José Coda
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET); Universidad Nacional de Río Cuarto; Río Cuarto Córdoba Argentina
- Grupo de Investigaciones en Ecología Poblacional y Comportamental (GIEPCO); Departamento de Ciencias Naturales; Universidad Nacional de Río Cuarto; Río Cuarto Córdoba Argentina
| | - Andrea R. Steinmann
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET); Universidad Nacional de Río Cuarto; Río Cuarto Córdoba Argentina
- Grupo de Investigaciones en Ecología Poblacional y Comportamental (GIEPCO); Departamento de Ciencias Naturales; Universidad Nacional de Río Cuarto; Río Cuarto Córdoba Argentina
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13
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Seasonal variations and population parameters explaining the use of space of neotropical rodents. Mamm Biol 2016. [DOI: 10.1016/j.mambio.2016.07.043] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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14
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Gorosito IL, Marziali Bermúdez M, Douglass RJ, Busch M. Evaluation of statistical methods and sampling designs for the assessment of microhabitat selection based on point data. Methods Ecol Evol 2016. [DOI: 10.1111/2041-210x.12605] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Irene L. Gorosito
- Departamento de Ecología, Genética y Evolución Facultad de Ciencias Exactas y Naturales Universidad de Buenos Aires Buenos Aires Argentina
- Instituto de Ecología, Genética y Evolución de Buenos Aires Consejo Nacional de Investigaciones Científicas y Técnicas Intendente Güiraldes 2160 ‐ Ciudad Universitaria C1428EGA Buenos Aires Argentina
| | - Mariano Marziali Bermúdez
- Departamento de Física Facultad de Ciencias Exactas y Naturales Universidad de Buenos Aires Buenos Aires Argentina
- Instituto de Física de Buenos Aires Consejo Nacional de Investigaciones Científicas y Técnicas Intendente Güiraldes 2160 ‐ Ciudad Universitaria C1428EGA Buenos Aires Argentina
| | | | - María Busch
- Departamento de Ecología, Genética y Evolución Facultad de Ciencias Exactas y Naturales Universidad de Buenos Aires Buenos Aires Argentina
- Instituto de Ecología, Genética y Evolución de Buenos Aires Consejo Nacional de Investigaciones Científicas y Técnicas Intendente Güiraldes 2160 ‐ Ciudad Universitaria C1428EGA Buenos Aires Argentina
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15
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Gomez MD, Serafini V, Coda J, Priotto J. Demographic dynamics ofAkodon azarae(Cricetidae: Sigmodontinae) in linear habitats of agricultural landscapes of central Argentina. STUDIES ON NEOTROPICAL FAUNA AND ENVIRONMENT 2016. [DOI: 10.1080/01650521.2015.1137167] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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16
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Ávila B, Bonatto F, Priotto J, Steinmann AR. Effects of high density on spacing behaviour and reproduction in Akodon azarae: A fencing experiment. ACTA OECOLOGICA 2016. [DOI: 10.1016/j.actao.2015.12.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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17
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Chiappero MB, Sommaro LV, Priotto JW, Wiernes MP, Steinmann AR, Gardenal CN. Spatio-temporal genetic structure of the rodent
Calomys venustus
in linear, fragmented habitats. J Mammal 2015. [DOI: 10.1093/jmammal/gyv186] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Studies about habitat fragmentation, in terms of how it affects gene flow and genetic variability, have traditionally been conducted on island-like systems in which the remaining habitats form patches embedded in a matrix. However, in agroecosystems, remaining habitats usually form linear strips along fence lines, roads, and water courses (“border” habitats). We used the rodent Calomys venustus , a species inhabiting borders in central Argentina agroecosystems, as a model to address how genetic variability is structured in linear habitats. A total of 359 rodents were captured seasonally from spring 2005 to winter 2006. Genetic variability at microsatellite loci was uniformly high, despite significant variation in population size during the sampling period. Genetic differentiation, spatial autocorrelation, and causal modeling analyses suggested that dispersion patterns in this species depend mainly on geographic distance, with unfavorable habitat like dirt roads and crop fields posing only weak (or no) resistance to dispersal. Small-scale spatial genetic structure was related to different space use patterns by females and males. Our results showed that, although greatly reduced in area, border habitats can support stable populations of species without loss of either variability or genetic connectivity.
Los efectos de la fragmentación del hábitat sobre el flujo génico y la variabilidad genética, se han estudiado tradicionalmente en sistemas tipo islas, en los cuales los hábitats remanentes forman parches embebidos en una matriz. Sin embargo, en los agroecosistemas, éstos suelen tener forma lineal a lo largo de alambrados, caminos y corrientes de agua (hábitats de “borde”). En este trabajo, utilizamos al roedor Calomys venustus , especie típica de ambientes de borde en los agroecosistemas del centro de Argentina, como modelo para estudiar cómo la variabilidad genética se estructura en hábitats lineales. Un total de 359 roedores se capturaron estacionalmente desde la primavera de 2005 hasta el invierno de 2006. La variabilidad genética encontrada en loci de microsatélites fue siempre alta, a pesar de una variación significativa del tamaño poblacional a lo largo del período de estudio. Los análisis de diferenciación genética, autocorrelación genética espacial y modelado causal sugieren que los patrones de dispersión en esta especie dependen principalmente de la distancia geográfica, y que los hábitats desfavorables como caminos de tierra y campos de cultivo representan una barrera débil (o nula) para la dispersión. La estructura genética a escala pequeña estuvo relacionada al diferente uso del espacio por parte de machos y hembras. Nuestros resultados mostraron que a pesar de tener un área reducida, los hábitat de bordes pueden mantener poblaciones estables sin pérdida de variabilidad genética o reducción del flujo génico.
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Gomez MD, Coda J, Simone I, Martínez J, Bonatto F, Steinmann AR, Priotto J. Agricultural land-use intensity and its effects on small mammals in the central region of Argentina. MAMMAL RES 2015. [DOI: 10.1007/s13364-015-0245-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Coda J, Gomez D, Steinmann AR, Priotto J. The effects of agricultural management on the reproductive activity of female rodents in Argentina. Basic Appl Ecol 2014. [DOI: 10.1016/j.baae.2014.06.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Martínez JJ, Millien V, Simone I, Priotto JW. Ecological preference between generalist and specialist rodents: spatial and environmental correlates of phenotypic variation. Biol J Linn Soc Lond 2014. [DOI: 10.1111/bij.12268] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Juan J. Martínez
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET); Departamento de Ciencias Naturales; Universidad Nacional de Río Cuarto; Agencia Postal N°3 5800 Río Cuarto Córdoba Argentina
- Redpath Museum; McGill University; 859 Sherbrooke Street West Montreal Québec H3A 0C4 Canada
| | - Virginie Millien
- Redpath Museum; McGill University; 859 Sherbrooke Street West Montreal Québec H3A 0C4 Canada
| | - Ivana Simone
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET); Departamento de Ciencias Naturales; Universidad Nacional de Río Cuarto; Agencia Postal N°3 5800 Río Cuarto Córdoba Argentina
| | - José W. Priotto
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET); Departamento de Ciencias Naturales; Universidad Nacional de Río Cuarto; Agencia Postal N°3 5800 Río Cuarto Córdoba Argentina
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Inter-male aggression with regard to polygynous mating system in Pampean grassland mouse, Akodon azarae (Cricetidae: Sigmodontinae). J ETHOL 2013. [DOI: 10.1007/s10164-013-0370-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Abstract
Patterns of space use and sexual dimorphism are frequently used to infer mating systems. We examined body size and home range size and intra- and intersexual overlap degree in order to elucidate mating strategy of Akodon azarae males. We studied spacing patterns using 113 and 129 home ranges established by males and females, respectively, in four 0.25 ha enclosures during the breeding season. Significant differences between sexes in home range size and overlap degree were found. Male home ranges were always larger than those of females. We observed exclusive space use among males and among females. Considering only those males that shared their home ranges with females, average intersexual overlap value was about 50%. Males mainly overlap their home ranges with home ranges of two or three females. Significant differences in body size were found between males and females, with males being larger. We concluded that space use and sexual dimorphism in this species is consistent with patterns characteristic of polygynous rodents, and we propose a polygynous system in A. azarae.
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Affiliation(s)
- Florencia Bonatto
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Ciudad Autónoma de Buenos Aires, Avda. Rivadavia 1917, CP C1033AAJ, Argentina Departamento de Ciencias Naturales, Universidad Nacional de Río Cuarto, Agencia Postal N°3, 5800 Río Cuarto, Córdoba, Argentina
| | - Daniela Gomez
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Ciudad Autónoma de Buenos Aires, Avda. Rivadavia 1917, CP C1033AAJ, Argentina Departamento de Ciencias Naturales, Universidad Nacional de Río Cuarto, Agencia Postal N°3, 5800 Río Cuarto, Córdoba, Argentina
| | - Andrea Steinmann
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Ciudad Autónoma de Buenos Aires, Avda. Rivadavia 1917, CP C1033AAJ, Argentina Departamento de Ciencias Naturales, Universidad Nacional de Río Cuarto, Agencia Postal N°3, 5800 Río Cuarto, Córdoba, Argentina
| | - José Priotto
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Ciudad Autónoma de Buenos Aires, Avda. Rivadavia 1917, CP C1033AAJ, Argentina Departamento de Ciencias Naturales, Universidad Nacional de Río Cuarto, Agencia Postal N°3, 5800 Río Cuarto, Córdoba, Argentina
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Ahlers AA, Heske EJ, Schooley RL, Mitchell MA. Home ranges and space use of muskrats Ondatra zibethicus in restricted linear habitats. WILDLIFE BIOLOGY 2010. [DOI: 10.2981/10-044] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
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