Results 1 to 10 of about 5,552 (152)

¿La experiencia es la única forma de mejorar el discurso público en la ciencia?

open access: yesNova Scientia, 2015
Introducción: Cualquier practicante de ciencia está frecuentemente expuesto al discurso público (DP): conferencias, congresos, simposios, talleres, etc. Por ello, es imprescindible saber comunicar las ideas con claridad y contundencia en una presentación
Pablo del Monte-Luna   +2 more
doaj   +1 more source

Stomach flushing technique applied to quantify microplastics in Crocodilians

open access: yesMethodsX, 2019
The impact of microplastics on wildlife is a recent problem for which methods to evaluate exposure still need development. Being able to identify and quantify microplastics (particles < 5 mm) in the gastric contents of live crocodiles allows us to ...
Mauricio Gonzalez-Jauregui   +5 more
doaj   +1 more source

Latitudinal changes of euphausiid assemblages related to the morphological variability of the sound scattering layer along Baja California, October 1994

open access: yesScientia Marina, 1999
Latitudinal changes in the euphausiid assemblages were compared to the morphological structure (size and compactness) of the sound scattering layer (SSL) during ten 24-h surveys made in October 1994 along the west coast of Baja California, México. During
J. Gómez-Gutiérrez   +3 more
doaj   +1 more source

Deep-sea seamount fisheries: a review of global status and future prospects Pesquerías de aguas profundas realizadas en montes submarinos: revision global de su estado y perspectivas futuras

open access: yesLatin American Journal of Aquatic Research, 2009
Seamounts support a large number and wide diversity of fish species. A number of these spe-cies can form aggregations for spawning or feeding and are the target of large-scale trawl fisheries. Since the 1970s, seamounts throughout the worlds' oceans have
Malcolm R Clark
doaj  

Reproductive cycle of Loxechinus albus (Echinodermata: Echinoidea) in two areas of the Magellan Region (53ºS, 70-72ºW), Chile

open access: yesScientia Marina, 1999
The reproductive cycle of the Chilean edible sea urchin, Loxechinus albus, was studied in two areas of the Magellan region, the Cockburn Channel (53°43´S, 70°42´W) and Dawson Island (53°43´S, 72°00´W). Eleven monthly samplings were carried out from April
Sylvia T. Oyarzún   +3 more
doaj   +1 more source

Las aves marinas del sistema fluvio-marino del Río de la Plata y su relación con actividades humanas

open access: yesEl Hornero
El sistema fluvio-marino del Río de la Plata (SFMRP) es un ambiente complejo, dinámico y altamente productivo dentro del cual las aves marinas tienen particular relevancia.
Germán García   +16 more
doaj   +1 more source

Un modelo de pesquerías bajo el enfoque multicriterio

open access: yesRect@, 2000
El problema que se considera es el de la gestión de una pesquería que se plantea como un modelo de toma de decisiones multicriterio dinámico en el que, a diferencia de los planteamientos tradicionales, la óptima regulación del recurso pasa por encontrar
Rafael Caballero Fernández   +1 more
doaj  

An overview of interactions among oceanography, marine ecosystems, climatic and human disruptions along the eastern margins of the Pacific Ocean Una visión general de las interacciones entre la oceanografía, los ecosistemas marinos y las disrupciones climáticas y antrópicas en los márgenes este del Océano Pacífico

open access: yesRevista Chilena de Historia Natural, 2004
Physical processes, biotic processes and human activities all act to shape marine ecosystems. Future management of these valuable ecosystems requires an integrative approach that takes into account complicated organismal interactions, oceanographic ...
PATRICIA M. HALPIN   +3 more
doaj  

Caracterización de las principales pesquerías del golfo San Jorge Patagonia, Argentina Characterization of the main fisheries in San Jorge Gulf, Patagonia, Argentina

open access: yesLatin American Journal of Aquatic Research, 2012
En el golfo San Jorge se desarrollan varias actividades económicas de relevancia, entre ellas dos pesquerías industriales: la pesquería de merluza común (Merluccius hubbsi Marini, 1933) y la pesquería de langostino patagónico (Pleoticus muelleri Bate ...
María Eva Góngora   +3 more
doaj  

Individual growth in Jack mackerel (Trachurus murphyi) of the Southeastern Pacific Ocean using sagitta otolith weight, daily rings, and annual rings

open access: yesGayana, 2021
We estimated the growth of Jack mackerel (Trachurus murphyi) using increments of daily growth, otolith weight and annual ring reading in sagittal otoliths.
Hugo Arancibia   +2 more
doaj  

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