Population structure of <i>Uncancylus concentricus</i> (d'Orbigny, 1835) (Ancylidae, Pulmonata, Basommatophora) in the Multiple Use Reserve Martín García Island, Upper Río de la Plata, Argentina

Estrutura populacional de <i>Uncancylus concentricus</i> (d'Orbigny, 1835) (Ancylidae, Pulmonata, Basommatophora) da Reserva Natural de Usos Múltiplos Ilha Martín García no Rio de La Plata Superior, Argentina

dc.creatorMartin, Stella Maris
dc.creatorDíaz, A. C.
dc.date2012-02
dc.date2014-06-13T16:54:13Z
dc.identifierhttp://sedici.unlp.edu.ar/handle/10915/36574
dc.identifierhttp://www.scielo.br/pdf/bjb/v72n1/08.pdf
dc.identifierissn:1519-6984
dc.descriptionThe present work analyzes the population dynamics of <i>Uncancylus concentricus</i> in natural conditions in the northeastern coastal area of the Multiple Use Natural Reserve Isla Martín García (Beach of Basural), Buenos Aires, Argentina. Martín García Island is located in the Upper Río de La Plata, to the south of the mouth of the Uruguay River (34° 11' 25" S and 58° 15'38" W). Monthly collections were made from August 2005 to December 2006. The size frequency of the U. concentricus population throughout the sampling period ranges from 1.2 to 8.3 m. The changes in the size frequencies throughout the months surveyed indicate a variable distribution pattern because of the increase and decrease in water flow, but we observed a peak in the frequency of individuals within the size range 3.5 to 4.5 mm in the population. It can be concluded that this species lives for at least a year in the wild since the juveniles are highly abundant in spring and summer.
dc.descriptionThe present work analyzes the population dynamics of <i>Uncancylus concentricus</i> in natural conditions in the northeastern coastal area of the Multiple Use Natural Reserve Isla Martín García (Beach of Basural), Buenos Aires, Argentina. Martín García Island is located in the Upper Río de La Plata, to the south of the mouth of the Uruguay River (34° 11' 25" S and 58° 15'38" W). Monthly collections were made from August 2005 to December 2006. The size frequency of the U. concentricus population throughout the sampling period ranges from 1.2 to 8.3 m. The changes in the size frequencies throughout the months surveyed indicate a variable distribution pattern because of the increase and decrease in water flow, but we observed a peak in the frequency of individuals within the size range 3.5 to 4.5 mm in the population. It can be concluded that this species lives for at least a year in the wild since the juveniles are highly abundant in spring and summer.
dc.descriptionFacultad de Ciencias Naturales y Museo
dc.formatapplication/pdf
dc.format65-70
dc.languageen
dc.rightshttp://creativecommons.org/licenses/by-nc/3.0/
dc.rightsCreative Commons Attribution-NonCommercial 3.0 Unported (CC BY-NC 3.0)
dc.subjectCiencias Naturales
dc.subjecthistology
dc.subjectMartin García island
dc.subjectpopulation dynamics
dc.subjectUncancylus concentricus
dc.subjectseason
dc.subjectsnail
dc.subjectBasommatophora
dc.subjectArgentina
dc.subjectestrutura populacional
dc.subjectilha Martín García
dc.titlePopulation structure of <i>Uncancylus concentricus</i> (d'Orbigny, 1835) (Ancylidae, Pulmonata, Basommatophora) in the Multiple Use Reserve Martín García Island, Upper Río de la Plata, Argentina
dc.titleEstrutura populacional de <i>Uncancylus concentricus</i> (d'Orbigny, 1835) (Ancylidae, Pulmonata, Basommatophora) da Reserva Natural de Usos Múltiplos Ilha Martín García no Rio de La Plata Superior, Argentina
dc.typeArticulo
dc.typeArticulo


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