Results 91 to 100 of about 1,075,749 (184)

Assessing responses of reef island seabirds to environmental and anthropogenic drivers

open access: yesConservation Biology, Volume 40, Issue 5, October 2026.
Abstract Tropical insular ecosystems face escalating, cumulative impacts of land‐ and sea‐based ecological threats that jeopardize the long‐term sustainability of their native communities. This joint vulnerability is epitomized by reef island seabirds, which are exposed to reef decline and coastal erosion driven by climate change, reduction in prey ...
Tristan Berr   +7 more
wiley   +1 more source

Dinámica demográfica y desarrollo en América Latina y el Caribe [PDF]

open access: yes, 2005
Incluye BibliografíaResumen En América Latina y el Caribe, los temas de población han sido objeto de debate y acción pública, así como de investigación científica sistemática desde hace varias décadas.

core  

Identifying hotspots of faunal data deficiency to direct urgent research and monitoring

open access: yesConservation Biology, Volume 40, Issue 5, October 2026.
Abstract Data deficiency is a substantial challenge for extinction risk assessments because incomplete data means we cannot accurately identify priority protected areas for conservation. Here, we use the International Union for Conservation of Nature (IUCN) distributions of amphibians, sharks and rays, fish, mammals, birds, and reptiles to identify ...
Matt W. Hayward   +4 more
wiley   +1 more source

Políticas de población: un manual para formuladores de políticas y planificadores

open access: yes, 1992
Incluye BibliografíaTraducción libre de Adriana Aguilera de "Population Policy: a manual for policy makers and planners" preparado por: The Development Law and Policy Program, Centre for Population and Family Health, Columbia University, and The Futures ...
Heckel, Nancy I.   +2 more
core  

Modelos demográficos para la proyección de la demanda del sector social [PDF]

open access: yes, 2007
Incluye BibliografíaEn este documento se presentan tres modelos demográficos que pueden ser de utilidad para la proyección de la demanda del sector social.El primero de ellos, que consiste en una serie de pronósticos probabilísticos de la población ...
Miller, Timothy
core  

Crisis epilépticas en niños con síndrome de Dravet en condiciones de calor extremo: estudio cualitativo de la perspectiva de los progenitores

open access: yesDevelopmental Medicine &Child Neurology, Volume 68, Issue 10, Page e168-e178, October 2026.
Resumen Objetivo Describir la experiencia de progenitores de niños y adolescentes con síndrome de Dravet en relación con el impacto de las olas de calor o las altas temperaturas ambientales en las crisis epilépticas de sus hijos, así como las estrategias de afrontamiento empleadas.
Angel Aledo‐Serrano   +8 more
wiley   +1 more source

Introduced dung beetles suppress methane emissions from cattle dung and alter the temporal dynamics of greenhouse gas flux Los escarabajos peloteros introducidos suprimen las emisiones de metano del estiércol de ganado y alteran la dinámica temporal del flujo de gases de efecto invernadero Besouros coprófagos introduzidos suprimem as emissões de metano do esterco bovino e alteram a dinâmica temporal do fluxo de gases de efeito estufa

open access: yesEcological Entomology, Volume 51, Issue 5, Page 1025-1035, October 2026.
Dung beetles suppressed cumulative methane flux from cattle dung by 85% and reduced total greenhouse gas emissions by 18%. Beetle activity accelerated initial CO2 release but did not alter total cumulative flux. N2O and NH3 fluxes were transient and not consistently driven by beetle presence.
Jean Holley   +2 more
wiley   +1 more source

Estado de la población mundial [PDF]

open access: yes
El UNFPA, Fondo de Población de las Naciones Unidas, es un organismo internacional de desarrollo que promueve el derecho de cada mujer, cada hombre y cada niño a disfrutar de una vida saludable con igualdad de oportunidades; y vela por que cada embarazo ...
Fondo de Población de las Naciones Unidas (UNFPA)
core   +1 more source

Predictive evolutionary genomics: principles, validation, and practice

open access: yesNew Phytologist, Volume 252, Issue 1, Page 36-48, October 2026.
Summary Climate change and habitat loss are driving rapid evolutionary responses in populations world‐wide, which creates an urgent need for evolutionary forecasting in conservation and agriculture. Such forecasting can be categorized into three time scales: trait‐based models that use multivariate quantitative genetic equations to project correlated ...
Daniel Ortiz‐Barrientos   +5 more
wiley   +1 more source

Leukemia and Exposure to Potential Benzene Sources in Children From the Mexico City Metropolitan Area, 2010–2021: A Geospatial Analysis

open access: yesPediatric Blood &Cancer, Volume 73, Issue 9, September 2026.
ABSTRACT Background Leukemia is the most common childhood cancer in Mexico, and acute lymphoblastic leukemia (ALL) is the most frequent subtype. Exposure to high concentrations of benzene has been associated with ALL incidence, particularly in urban areas. This study evaluated the relationship between distance to benzene emission sources and the number
Orlando Rivera Zurita   +5 more
wiley   +1 more source

Home - About - Disclaimer - Privacy