Results 21 to 30 of about 592 (179)

Potential species richness of frogs and diurnal butterflies in three biogeographical units from northeastern Colombia: conservation Implications

open access: yesActa Biológica Colombiana, 2018
We present an estimation of the potential species richness of frogs, and diurnal butterflies distributed in the departments of Norte de Santander and Santander, Colombia, and analyze the implications for conservation of such high Andean species.
Aldemar A. Acevedo   +6 more
doaj   +1 more source

Explorando el discurso de la prensa en torno a la defensa de los derechos humanos en el rescate del buque Aquarius

open access: yesMigraciones, 2020
Este artículo presenta un análisis crítico discursivo de una muestra de noticias de prensa publicadas en España en torno al rescate y la posterior llegada del buque Aquarius al puerto de Valencia. El corpus consiste en todas las noticias publicadas en la
María Martínez Lirola
doaj   +1 more source

La incidencia de la reforma de la legislación marítima española en el registro de buques.

open access: yesRevist@ E-Mercatoria, 2006
Es objeto del presente estudio el análisis de la incidencia que la reforma de la legislación marítima española, actualmente Anteproyecto de Ley General de Navegación Marítima, va a tener en el registro y matriculación del buque, teniendo en cuenta que ...
María del Pino Domínguez Cabrera
doaj   +2 more sources

An experimental approach to assess the combined effects of multiple stressors on a large vertebrate species

open access: yesConservation Biology, Volume 40, Issue 4, August 2026.
Abstract The design of experiments to investigate the combined effects of multiple stressors requires exposing target organisms to multiple combinations of stressor doses. Concurrent manipulation of stressors is often infeasible with wildlife, but long‐lasting health effects allow individual health to be used as an integrator of prior stressor exposure.
Enrico Pirotta   +24 more
wiley   +1 more source

Evaluación de la seguridad integral marítima en Puerto Brisa S.A.

open access: yesDerrotero
Analizar el proceso de evaluación interna realizado por la Capitanía de Puerto de Riohachasobre la Seguridad Integral Marítima (SIM) de la terminal portuaria de Puerto Brisa S.A., ubicada enMingueo, corregimiento de Dibulla, en La Guajira.
Andrés Felipe Murillo Roa
doaj   +1 more source

A multiscale seasonal examination of the risk of harm to seabirds from vessels based on co‐occurrence in Alaskan waters

open access: yesConservation Biology, Volume 40, Issue 1, February 2026.
Abstract Alaska's seascape supports globally significant seabird populations, including vulnerable and threatened species, and hosts economically important commercial fisheries and marine transportation corridors. Seasonal patterns of seabird movements and vessel traffic create a complex landscape of risk, defined as high levels of co‐occurrence ...
Kelly Kapsar   +2 more
wiley   +1 more source

Aproximación a la formación jurídica del concepto de buque

open access: yesRevist@ E-Mercatoria, 2005
La navegación ha jugado un papel muy importante en la existencia de los pueblos ribereños dando lugar a normas jurídicas especiales, pudiendo afirmar que el Derecho marítimo es tan antiguo como el Derecho mismo.
María del Pino Dominguez Cabrera
doaj   +4 more sources

Evidence for a fisher‐designed solution to manta and devil ray bycatch in tuna fisheries

open access: yesConservation Biology, Volume 40, Issue 1, February 2026.
Abstract Bycatch in global tropical tuna purse seine fisheries represents a significant source of mortality for manta and devil rays (mobulids), which are globally threatened. Use of best handling and rapid release practices on purse seine vessels can substantially reduce mortality and improve vulnerability status for mobulids.
Melissa R. Cronin   +12 more
wiley   +1 more source

Reconstructing historical catch trends of threatened sharks and rays based on fisher ecological knowledge

open access: yesConservation Biology, Volume 39, Issue 5, October 2025.
Abstract Small‐scale fisheries often lack historical shark and ray catch information, hampering their management. We reconstructed historical catch trends and current fishing pressure by combining local ecological knowledge, satellite‐based vessel counts, and a short‐term landing‐site survey.
Guido Leurs   +15 more
wiley   +1 more source

De cómo España abrió su ruta a la investigación antártica

open access: yesArbor: Ciencia, Pensamiento y Cultura, 2007
La Antártida así como los océanos que la rodean tienen un interés especial para la investigación científica ya que son depositarios de una gran información sobre el pasado del Planeta y la evolución de sus especies.
Josefina Castellví Piulachs
doaj   +1 more source

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