Buscar recursos académicos

Abstract Tin is a critical metal predominantly sourced from granite-associated deposits linked to anatexis of metasedimentary rocks and extreme magmatic differentiation. However, how metamorphism of sedimentary protolith...

Materias / palabras clave: Ecosistemas; Ecosistemas marinos; Agua del mar; Metales; Marine ecology

Se analizó la fauna de cefalópodos recolectados en la pesquería de arrastre de crustáceos entre 1996 y 1999. El área de estudio se localizó en el talud continental de Chile, entre los 21o 34' S y los 38o 30' S. Se ...

Materias / palabras clave: Crustacea; Reproduction; Animal marino; Reproducción biológica

Materias / palabras clave: Toxicología; Zinc; Níquel; Metales; Nickel; Aquatic animals; Effect of water pollution on; Artemia

Abstract Following a request from the European Commission, EFSA was asked to deliver a scientific opinion on the assessment of the application for the renewal of the authorisation of astaxanthin as a sensory additive for...

Abstract This study aimed to determine the physicochemical properties (proximate composition, color, pH, salinity, water holding capacity (WHC), curing yield, and shear force) and sensory properties (electric nose and se...

The potential use of Sinelobus stanfordi (Richardson, 1901) (Crustacea, Tanaidacea) as a biological indicator of water quality in a temperate estuary of South America Sinelobus stanfordi (Richardson, 1901) is a euryhalin...

Neutron star crusts are studied using a classical molecular dynamics model developed for heavy-ion reactions. After the model is shown to produce a plethora of the so-called pasta shapes, a series of techniques borrowed ...

Abstract The crust that inevitably forms on dry-aged beef is usually trimmed and discarded before sale. The aim of this study was to explore methods for utilizing this crust in processed meat products. Four sirloins were...

 Freshwater palaemonid prawns of Nagaland is studied based on the collections made during different surveys from 1998 to 2022 by various survey teams of Zoological Survey of India, Kolkata. Though 20 species of palaemon...

Twenty seven years ago, the ComisiónTécnica Mixta del Frente Marítimo publisheda catalogue of marine decapod andstomatopod crustaceans registered in coasts,continental shelf and slope, and deep waters ofArgentina (Bos...

Anphira branchialisgen. et sp. nov. (Crustacea, Isopoda, Cymothoidae) is described from the dorsal areas of the gill chambers of three species of piranhas (Serrasalmusspp.). The fishes were caught in rivers near Manaus, ...

Daphnia retrocurva Forbes, 1882 (Crustacea, Cladocera, Daphniidae), a North American freshwater zooplankton species, was found in an artificial reservoir in central Japan. This represents the first record of D. retrocurv...

Abstract This first study investigated the crustacean parasite fauna in 66 species of fish from the Matapi River basin, state of Amapá (Brazil). Fish were collected every two months between March 2012 and August 2013, e...

Abstract Background Movement to spawn in offshore waters provides numerous benefits to inshore marine fish and crustacean species, but there is often limited empirical data on the behaviour and ecology of this key aspect...

Durante um período de treze meses, de março de 1979 a março de 1980, excursões semanais foram realizadas ao Janauacá, um complexo de, l.agos de várzea da Amazônia Central. Miltrezentos e trinta e cinco peixesde ci...

Resumo É descrita a patologia de Ergasilus, Brasergasilus e Acusicola (Crustacea: Cyclopoida: Ergasilidae) em peixes amazônicos. Esses ergasilídeos provocam hiperplasia e metaplasia epitelial e também fusão e destru...

The mangrove crab (Ucides cordatus) is a valuable fishery resource, overfished along the Brazilian coast. This study aimed to obtain bioecological data on this crab along the coast of the State of Amapá. Six bimonthly s...

At the coastal zone sediments, water and organisms interact intensely. At equatorial tidal-dominated coast mangroves are abundant. These areas are well-known for their ecological importance. Considering the mangroves of ...

Notochthamalus scabrosus (Darwin 1854) is commonly attached to littoral rocks and shells, often associated with Notobalanus flosculus (Darwin 1854), and sometimes with Chthamalus cirratus (Darwin 1851). Notochthamalus sc...

Resumo A especificidade parasitária, áreas de fixação, hospedeiros naturais, índices de infestação e variação sazonal de Dolops discoidalis e d. bidentata foram estudados durante o período de março de 1979 a m...

The ostracod fauna from la Terma hot spring (26°55′31″ S - 68°08′45.7″W, 4026m above sea level), Southern Altiplano, Argentina, is described and the pool itself characterized. The occurrence of ostracods in thi...

ABSTRACT The female of Acusicola lycengraulidis n. sp. (Copepoda: Cyclopidea) is described from the gills of an Amazonian fish, Lycengraulis grossidens Cuvier. The new species differs from the other three known for the g...