Results 41 to 50 of about 126,654 (160)

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

Análisis de las emisiones atmosféricas de las fuentes fijas de La Habana

open access: yesRevista Cubana de Meteorología, 2016
El presente estudio tiene como objetivo conocer y analizar el comportamiento de las emisiones de las principales fuentes fijas de La Habana a través del inventario de emisiones, para lo cual se toma como base el año 2012.
Osvaldo Cuesta Santos   +7 more
doaj  

Extraction and clean-up of pesticides from fatty samples

open access: yesGrasas y Aceites, 2000
The extraction of pesticides from fatty samples is a problem extensively studied. In this paper, the main techniques for the extraction of pesticides from fatty samples are reviewed.
M. López-Mesas, M. Crespi
doaj   +1 more source

Spatiotemporal Variations in Chemical Composition of Wet Atmospheric Deposition in Mexico City

open access: yesAerosol and Air Quality Research, 2023
A comprehensive analysis of the chemical composition of wet atmospheric deposition was performed on 7048 samples collected between 2003 and 2021 over Mexico City. The descending ion abundance trend was NH4+ > SO42− > NO3− > Ca2+ > Cl− > H+ > Mg2+ > Na+ >
Elizabeth Vega   +5 more
doaj   +1 more source

Contribution of microcosm experiments to conservation science

open access: yesConservation Biology, Volume 40, Issue 1, February 2026.
Abstract Microcosms, or miniature experimental systems, have been used to develop models and theories in ecology. However, their contribution to conservation science is unclear. We explored the application, design, and impact of microcosms in conservation science from 469 systematically identified articles published from 1986 to 2023.
Eleanor R. Stern   +3 more
wiley   +1 more source

Mitigating light pollution impacts on arthropods based on light‐emitting diode properties

open access: yesConservation Biology, Volume 40, Issue 1, February 2026.
Abstract Light pollution from artificial light at night (ALAN) is a significant environmental problem with far‐reaching consequences for ecological systems. Recent innovations in light‐emitting diode (LED) technology may offer sustainable outdoor lighting solutions, but scientific evidence is lacking. We investigated the effects of various LED lighting
Nicola van Koppenhagen   +3 more
wiley   +1 more source

Evolution of research on global amphibian declines

open access: yesConservation Biology, Volume 40, Issue 1, February 2026.
Abstract In the late 1980s, the scientific community became aware of severe, enigmatic amphibian population declines. These declines triggered a wave of research focused on quantifying their extent and identifying key drivers. We used text‐analysis techniques, including topic modeling and geoparsing, to examine the evolution of research focused on ...
Jordann Crawford‐Ash   +6 more
wiley   +1 more source

Contaminación y Toxicología Ambiental [PDF]

open access: yes, 2011
Presentaciones de los temas 43 al 45 de la asignatura de Toxicología de la licenciatura de Toxicología. Temas dedicados a la contaminación y la Toxicología Ambiental que complementan los aspectos de estas materias ya comentados en temas anteriores ...
García Fernández, Antonio Juan
core  

Contaminación de cuerpos de agua

open access: yes, 2022
Contaminación de cuerpos de agua, por Sofía Gutierrez ...
Gutierrez Cisneros, Ana Sofía
core  

Influencia de las zonas de procedencia de las masas de aire en la composición química de lluvias en localidades de Cuba

open access: yesRevista Cubana de Meteorología, 2017
El objetivo de este trabajo fue evaluar la influencia de las zonas de procedencia de las masas de aire en la composición química de la lluvia en localidades de Cuba.
Rosemary López Lee   +2 more
doaj  

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