Results 51 to 60 of about 132 (77)
, 2023 Tese de Mestrado, Geologia do Ambiente, Riscos Geológicos e Ordenamento do Território, 2023, Universidade de Lisboa, Faculdade de ...
openaire +1 more source
Extant freshwater ostracodes (Crustacea: Ostracoda) from Lago Petén Itzá, Guatemala
Revista de Biología Tropical, 2010 Ostracode taxonomy has been of great interest because of their possible use as indicator species in climate and ecosystem changes. In Central and South America, few studies have been carried out and this study includes a contribution to the group. Eleven
Liseth Pérez +4 more
doaj
Charophytas y ostrácodos no marinos del Grupo Neuquén (Cretácico Superior) en algunos afloramientos de las provincias de Río Negro y Neuquén, República Argentina. [PDF]
Revista del Museo de La Plata, 1973 En el centro y en el norte de la Provincia de Neuquén el Grupo Mendoza ( 12-23 )?Kimmeridgiano-Barremiano ( 24 )? pasa, mediante una entidad transicional, "estratos rojos" de la Formación Rayoso ( 13,7 ). Hacia arriba, en para concordancia, o bien en discordancia angular en muy raras localidades, sigue una sedimentación post-orogénica también del tipo "
openaire +1 more source
Gayana, 2009 Se estudió la dieta de Orestias agassii en tres lagunas asociadas al Salar del Huasco en el altiplano de la I Región. El contenido estomacal presentó; ostracodos, anfípodos, copépodos, moluscos, coleópteros, ácaros y algas macrófitas.
Jonathan A Guzmán, Walter Sielfeld
doaj
Contribución al Conocimiento de los Ostracodos Cenozoicos de la Argentina
, 2017 Carpeta 618, inéditos ...
openaire +1 more source
Distribución de Ostrácodos (Arthropoda: Crustacea) en sedimentos del norte de Cartagena
Acta Biológica Colombiana, 1987 This work concerns to the study of Ostracoda of the region 1ying between the beaches of Marbella and Monito, to the north of Cartagena (Bolivar) enclosing an area of ca. 64 km2. The samples correspond to sediments obtained at depths ranging between O and
Jorge Ernesto Guevara Burgos +1 more
doaj
Ostracodos da passagem Jurássico médio-superior da Bacia Lusitânica, praia de Pedrogão (Leiria)
, 2018 O principal objetivo deste trabalho foi aumentar o conhecimento taxonómico e paleoecológico sobre a associação de ostracodos da transição Caloviano-Oxfordiano da Praia de Pedrógão, Leiria. Foi estudado o corte da Praia de Pedrógão que compreende uma sucessão de margas e calcários, exposta ao longo da linha de costa.
openaire +1 more source
, 1999 [EN] The ostracod assemblages of the basal sands with Heterostegina of the "Calcarenita de Niebla" Formation (Civis et al, 1987) indicates a Tortonian age. These materials were deposited in an infralittoral environment, well oxigenated and vegetated.
Ruiz Muñoz, Francisco +3 more
openaire +2 more sources
Revista de Biología Tropical, 2013 Chironomids, diatoms and microcrustaceans that inhabit aquatic ecosystems of the Northern Neotropics are abundant and diverse. Some species are highly sensitive to changes in water chemical composition and trophic state.
Liseth Pérez +11 more
doaj
Revista de Biología Tropical, 2004 The abundance, distribution and composition of the macrozooplankton of Culebra Bay, Costa Rica (10º 38’ N - 85º 40’ W) were studied at four stations throughout the dry (February - May) and rainy (September - November) seasons of 2000.
Melinda Bednarski +1 more
doaj