Results 11 to 20 of about 527 (160)
The karyotype of a freshwater population of Diplodon chilensis located in La Poza area of the Villarrica Lake (39º18'S; 72º05'W), Southern Chile, was studied. The chromosomes were obtained by squash of cleaving embryos, previously treated with colchicine
Pedro Jara-Seguel +4 more
doaj +2 more sources
Se entregan antecedentes que establecen que Diplodon patagonicus (D'Orbigny 1835) señalado como especie presente en la región Neo tropica-Patagonia por Graf & Cummins (2007) corresponde aDiplodon chilensis patagonicus (D'Orbigny 1846) (sensu Haas 1969).
Esperanza Parada, Santiago Peredo
doaj +2 more sources
Se presenta una revisión bibliográfica de los registros del género Diplodon (Spix, 1827) (Hyriidae), presentes en sitios arqueológicos de Chile. Las evidencias indican una efímera presencia de estos bivalvos en contextos arqueológicos de finales del ...
Donald Jackson, Douglas Jackson
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Con el propósito de conocer cualitativamente la alimentación y la conducta alimentaria de la almeja de agua dulce Diplodon chilensis, se analizó mediante estudios de laboratorio y de campo el comportamiento alimentario y el contenido digestivo de ...
Gladys Lara +2 more
doaj +2 more sources
Gracias a su potencial como registro ambiental, las valvas del molusco Diplodon han despertado recientemente el interés de la comunidad científca. En este trabajo, por medio de microscopía electrónica de barrido (SEM) y espectroscopía Raman se investigó ...
Analía L Soldati +3 more
doaj +2 more sources
El amplio rango de sensibilidades de las diferentes especies de organismos a la extensa diversidad de contaminantes ambientales hacen recomendable utilizar una batería de especies distintas en las evaluaciones de toxicidad ambiental.
Jeannette Silva +3 more
doaj +2 more sources
Inducing the Alternative Oxidase Forms Part of the Molecular Strategy of Anoxic Survival in Freshwater Bivalves [PDF]
Hypoxia in freshwater ecosystems is spreading as a consequence of global change, including pollution and eutrophication. In the Patagonian Andes, a decline in precipitation causes reduced lake water volumes and stagnant conditions that limit oxygen ...
Maria S. Yusseppone +6 more
doaj +2 more sources
Histopathological effects of the herbicide atrazine on gills of the Brazilian endemic bivalveDiplodon expansus [PDF]
ABSTRACTDue to their benthic filter-feeding habits and high bioaccumulation potential of metals and organic compounds, bivalve molluscs have been widely used in studies in the field and laboratory to assess the toxic effects of several compounds discharged in rivers, oceans and estuaries.
Nogarol, Larissa Rosa +3 more
openaire +4 more sources
The extent of the northern distribution range of Diplodon chilensis is reported herein from specimens collected in the Río Grande, an affluent of the Río Limari located to the south of the village of Carachilla (30º28'S;71º05'W)
Esperanza Parada +3 more
doaj +1 more source
DIPLODON CF. COLHUAPIENSIS (BIVALVIA, HYRIIDAE) IN THE SANTA CRUZ FORMATION (EARLY–MIDDLE MIOCENE) AT THE RÍO SANTA CRUZ, PATAGONIA, ARGENTINA. STRATIGRAPHIC AND PALEOENVIRONMENTAL CONSIDERATIONS [PDF]
The Santa Cruz Formation (Early–Middle Miocene) is one of the most widespread sedimentary units of the Argentine Patagonia. This unit contains an abundant and taxonomically diverse fossil vertebrate fauna, especially in mammals. Thus, the paleoecological
Leandro Martín Pérez +3 more
doaj +2 more sources

