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Mostrando ítems 51-60 de 60
Alimentación natural de Austromegabalanus psittacus(Molina 1782) (Cirripedia:Balanidae) en el golfo san Jorge (Chubut, Argentina)
(Tellus, 2011-12)
Se analizó la dieta natural del cirripedio gigante Austromegabalanus psittacus (Molina, 1782) “picoroco” en el Golfo San José, Chubut, sur de Argentina. La especie es un filtrador omnívoro, consumiendo gran parte de de la ...
Degradation of macroalgal detritus in shallow coastal Antarctic sediments
(American Society of Limnology and Oceanography, 2019-02)
Glaciers along the western Antarctic Peninsula are retreating at unprecedented rates, opening up sublittoral rocky substrate for colonization by marine organisms such as macroalgae. When macroalgae are physically detached ...
Galeorhinus galeus, Tope
(International Union for Conservation of Nature, 2020-12)
Tope (Galeorhinus galeus) is a medium-sized (to 200 cm total length) bentho-pelagic shark, widespread in temperate waters in most oceans. It is present across the Northeast, Eastern Central, Southwest, and Southeast Atlantic, ...
Cretaceous microfossil (foraminifera and calcareous nannofossils) assemblages from the subsurface magallanes Basin, Tierra Del Fuego Island, ChileEnsambles de microfósiles (foraminíferos y nanofósiles calcáreos) cretácicos del subsuelo de la cuenca de magallanes, Isla De tierra Del Fuego, Chile
(Asociación Paleontológica Argentina, 2020-12)
Se estudiaron los foraminíferos y nanofósiles calcáreos en muestras de recorte de perforación lavados de tres pozos del sector chileno de la Cuenca de Magallanes. El objetivo de esta contribución es identificar, caracterizar ...
Trace fossils, sedimentary facies and parasequence architecture from the Lower Cretaceous Mulichinco Formation of Argentina: The role of fair-weather waves in shoreface deposits
(Elsevier Science, 2018-05)
Shorefaces can display strong facies variability and integration of sedimentology and ichnology provides a high-resolution model to identify variations among strongly storm-dominated (high energy), moderately storm-affected ...
Mass mortality of fossil decapods within the Monte León Formation (early Miocene), southern Argentina: Victims of Andean volcanism
(Carnegie Museum Natural History, 2008-10)
Four exposed planar surfaces within the type area of the Monte León Formation (early Miocene) of southern Patagonia, Argentina, enclose significantly different fossil assemblages positioned in close geographic and stratigraphic ...
Rapid Assessment Survey for Exotic Organisms in Southern California Bays and Harbors, and Abundance in Port and Non-port Areas
(Springer, 2005-11)
In recent decades, the world has witnessed an array of harmful invasions by exotic marine organisms. To provide the public and policymakers with better information on the status of exotic species in southern California ...
Primary production and plankton assemblages in the fisheries ground around San Jorge Gulf (Patagonia) during spring and summer
(Plankton Society of Japan, 2021-02-19)
The San Jorge Gulf, and the littoral to its north, is one of the most important fishing grounds for Argentina. Nevertheless, phytoplankton production has been scarcely studied. Here we analyzed during spring (2008) and ...
Epiphytic algae on Scirpus californicus (Mey) Sójak in the Río de la Plata (Argentina): structure and architecture
(E Schweizerbartsche Verlags, 2003)
Características hematológicas de Porichthys Porosissimus (Pisces: Batrachoidiformes) en el estuario de Bahía Blanca, ArgentinaHaematological features of Porichthys porosissimus (Pisces: Batrachoidiformes) from the Bahia Blanca estuary, Argentina
(Universidad Nacional de La Plata. Facultad de Ciencias Veterinarias, 2010-10)
Ciertos componentes de la sangre de los peces son afectados por factores intrínsecos y extrínsecos, así como por particularidades fisiológicas de cada tronco filogenético,por lo que adquieren relevancia tanto fisiológica, ...