Results 31 to 40 of about 18,729 (162)
Materials and methods for tagging purse seine and baitboat caught tunas [PDF]
, 1973 ENGLISH: The percentages of return of purse seine-tagged yellowfin and baitboat- tagged yellowfin and skipjack subjected to various combinations of treatments were tested statistically to determine the effects of the treatments.
Bayliff, William H.
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Geochemistry, Geophysics, Geosystems, Volume 26, Issue 9, September 2025.Abstract The Andean margin of Central Chile (∼32°40′–34°30′S) records abundant Cenozoic arc magmatic activity with variable compositional characteristics. This is examined through the analysis of an extensive database of new and published whole‐rock geochemistry and Sr‐Nd isotopic compositions, in addition to zircon Hf and O isotopic compositions.
M. Muñoz‐Gómez +10 more
wiley +1 more source
The distribution, abundance, and ecology of larval tunas from the entrance to the Gulf of California [PDF]
, 1970 ENGLISH: This study is based on collections of larvae of Thunnus albacares, Euthynnus llneatus, and Auxis sp. obtained from surface and oblique net tows made during seven cruises, each along a comparable track in the entrance of the Gulf of California ...
Klawe, Witold L. +2 more
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Regular Presence of Harbor Porpoises in the Northern Alborán Sea
Marine Mammal Science, Volume 41, Issue 3, July 2025.ABSTRACT The harbor porpoise (Phocoena phocoena) in the Atlantic waters of Spain and Portugal are a genetically differentiated population from the rest of the North Atlantic. They are rarely seen on the southern Atlantic coast of Spain and are thought to be extinct in the Mediterranean Sea, with scattered sightings and strandings recorded along the ...
Samantha Blakeman +5 more
wiley +1 more source
La reputación del puerto de escala de cruceros: un análisis de antecedentes y consecuencias [PDF]
, 2019 Actualmente, el turismo de cruceros está teniendo un fuerte impacto económico en la región mediterránea. Los destinos de cruceros pueden ganar reputación dependiendo de las intenciones de los pasajeros de volver a visitarlos y recomendarlos.
Sanchez-Serrano, Jose Ramon
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Journal of Geophysical Research: Biogeosciences, Volume 129, Issue 12, December 2024.Abstract Isotope hydrological studies to understand groundwater‐surface water interactions in tropical, high‐elevation catchments are limited. These interactions are important in controlling lake water residence time, aqueous biogeochemistry, and water availability for downstream communities and ecosystems. To better comprehend the complexity of spatio‐
Germain Esquivel‐Hernández +8 more
wiley +1 more source
Diálogos, 2013 Esta investigación analiza el impacto social y económico generado por la afluencia turística proveniente de los cruceros que llegan a la ciudad de Puntarenas, temporada en la que hay mucho movimiento en la zona e incluso se observa un ambiente mucho más ...
María Lisbeth Mora Elizondo
doaj +1 more source
Biological production in the Eastern Pacific Ocean [PDF]
, 1964 ENGLISH:The present paper is principally concerned with the geographic distribution of the standing crop and production of phytoplankton at the surface of the eastern Pacific, east of 130°W and between 10°N and 33°S, as reflected by recently collected ...
Forsbergh, Eric D., Joseph, James
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Turismo fluvial : una alternativa para fomentar la actividad turística en los municipios ribereños al Río Magdalena. Caso municipio de Suárez –Tolima-Colombia [PDF]
, 2018 35 páginas : ilustraciones, mapas, gráficos, fotografías.ln the last decades, rivers have become increasingly important from the point of view of their social, cultural value and as a tourist resource.
Galvis Rivera, Nicolás
core +3 more sources
Environmental and Molecular Mutagenesis, Volume 65, Issue 3-4, Page 121-128, March-April 2024.Abstract Elevated concentrations of arsenic, lithium and boron in drinking water have already been reported in Bolivia. Arsenic is known to cause genotoxicity but that caused by lithium and boron is less well known. The aim of the present cross‐sectional study was to evaluate potential genotoxic effects of exposure to arsenic, while considering ...
Noemi Tirado +5 more
wiley +1 more source