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The purpose of the present study was to verify eventual changes in spatial distribution, density and size structure in a population of Diplodon chilensis inhabiting sandy and sand-gravel substrates in the Lake Panguipulli after 16 years of studies carried out in the mentioned population. Results ...


Lara, GladysParada Zamorano, Esperanza[Maintenance of spatial distribution, density and size structure pattern of freshwater mussel Diplodon Chilenisis Gray, 1828(Bivalvia : Hyriidae) in the Panguipulli Lake, Chile]Maintenance of spatial distribution, density and size structure pattern of freshwater mussel Diplodon Chilenisis Gray, 1828(Bivalvia : Hyriidae) in the Panguipulli Lake, Chile

The aim of the present study was to experimentaly evaluate the capability of the freshwater mussel Diplodon chilensis as a potential depurator of residual waters in fish farming. With this purpose, the present study was carried out at the fish farm of the School of Aquaculture of the Catholic Uni...


Parada Zamorano, EsperanzaPeredo, SantiagoCardenas, SilviaValdebenito Isler, IvánPeredo, Matias[Diplodon chilensis Gray, 1828 (Bivalvia : Hyriidae) a potential residual waters depurator on inland water salmonid, fish-farms: A laboratory scale study]Diplodon chilensis Gray, 1828 (Bivalvia : Hyriidae) a potential residual waters depurator on inland water salmonid, fish-farms: A laboratory scale study
Peredo, SantiagoParada Zamorano, EsperanzaValdeben, IvanPeredo, Matias[Effect of aerial exposure on physiological condition and survival of Diplodon chilensis (Bivalvia : Hyriidae) during translocation]Effect of aerial exposure on physiological condition and survival of Diplodon chilensis (Bivalvia : Hyriidae) during translocation

The pill clams Pisidium chilense (d'Orbigny, 1846) and Pisidium huillichum (Ituarte, 1999) showed a 2C DNA content of 4.04 +/- 0.4 pg and 2.35 +/- 0.24 pg, respectively. The somatic DNA content of these 2 Chilean Pisidium Pfeiffer 1821 species is within the range described previously for diploid ...


Jara Seguel, PedroParada Zamorano, EsperanzaPeredo, SantiagoPalma Rojas, ClaudioVon Brand, Elisabeth[NUCLEAR DNA CONTENT IN TWO CHILEAN SPECIES OF PISIDIUM (VENEROIDA: SPHAERIIDAE)]NUCLEAR DNA CONTENT IN TWO CHILEAN SPECIES OF PISIDIUM (VENEROIDA: SPHAERIIDAE)

Laboratory experiments were carried out to evaluate juvenile and adult mortality in Musculium argentinum over a given period of time. Specimens of M. argentinum were collected in May 2009 from the evacuation channel of the Lautaro fish farm, Araucania Region, Chile (38 degrees 32' S, 72 degrees 2...


Parada Zamorano, EsperanzaLara, GladysPeredo, Santiago[EVALUATION OF JUVENILE AND ADULT MORTALITY DYNAMICS IN THE FINGERNAIL CLAM MUSCULIUM ARGENTINUM (D'ORBIGNY, 1835) (BIVALVIA: SPHAERIIDAE)]EVALUATION OF JUVENILE AND ADULT MORTALITY DYNAMICS IN THE FINGERNAIL CLAM MUSCULIUM ARGENTINUM (D'ORBIGNY, 1835) (BIVALVIA: SPHAERIIDAE)

To evaluate the capacity for movement of freshwater mussels in sandy and sand-gravel substrates and to test their ability to differentiate among types and qualities of substrates, experiments were carried out in the laboratory and in the field, using Diplodon chilensis from Lake Panguipulli, Chil...


Lara, GladysParada Zamorano, Esperanza[Substrate selection by the freshwater mussel Diplodon chilensis (Gray, 1828): field and laboratory experiments]Substrate selection by the freshwater mussel Diplodon chilensis (Gray, 1828): field and laboratory experiments

This study reports the present distribution range of Musculium argentinum (D'Orbigny, 1835) and Musculium patagonicum Pilsbry, 1911 in Chile, from sampling data carried out from 2002 to 2006. Morphological and biometric characteristics of the studied populations show that M. argentinum is discont...


Parada Zamorano, EsperanzaPeredo, SantiagoJara-Seguel, Pedro[PRESENT RECORD OF SPECIES OF MUSCULIUM LINK, 1807 (BIVALVIA: SPHAERIIDAE) IN CHILE WITH NOTES ON ITS MORPHOLOGY AND BIOMETRY OF ITS POPULATIONS]PRESENT RECORD OF SPECIES OF MUSCULIUM LINK, 1807 (BIVALVIA: SPHAERIIDAE) IN CHILE WITH NOTES ON ITS MORPHOLOGY AND BIOMETRY OF ITS POPULATIONS

Life histories and population dynamics of two populations of Musculium argentinum, one inhabiting a fluvial environment and the other a lacustrine one, are compared. Musculium argentinum is oviparous, iteroparous, and sequential incubator, reproducing throughout the year. The life cycle pattern o...


Peredo, SantiagoParada Zamorano, EsperanzaJara-Seguel, Pedro[LIFE HISTORIES AND DYNAMICS OF STREAM AND LACUSTRINE POPULATIONS OF MUSCULIUM ARGENTINUM (D'ORBIGNY, 1842) (BIVALVIA: SPHAERIIDAE) FROM SOUTHERN CHILE]LIFE HISTORIES AND DYNAMICS OF STREAM AND LACUSTRINE POPULATIONS OF MUSCULIUM ARGENTINUM (D'ORBIGNY, 1842) (BIVALVIA: SPHAERIIDAE) FROM SOUTHERN CHILE

The aim of the present study was to determine and compare taxa richness, abundance and diversity of the edaphic mesofauna community between plantations of cranberries (Vaccinium sp.) subjected to organic and conventional management in farms in central-south Chile (37 degrees 28'S), as also to eva...


Peredo P, Santiago F.Parada Zamorano, EsperanzaVega C, MarcelaBarrera S, Claudia P.[EDAPHIC MESOFAUNA COMMUNITY STRUCTURE IN ORGANIC AND CONVENTIONAL MANAGEMENT OF CRANBERRY (Vaccinium sp.) PLANTATIONS: AN AGROECOLOGICAL APPROACH]EDAPHIC MESOFAUNA COMMUNITY STRUCTURE IN ORGANIC AND CONVENTIONAL MANAGEMENT OF CRANBERRY (Vaccinium sp.) PLANTATIONS: AN AGROECOLOGICAL APPROACH

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