Results 41 to 50 of about 172,685 (231)

Comprehensive framework for assessing and optimizing existing research networks

open access: yesConservation Biology, EarlyView.
Abstract Conservation, monitoring, and research networks, or collections of ecological research sites unified under a common mission of data collection or a research mission, are essential infrastructure for understanding large landscapes. However, most networks developed opportunistically over decades rather than through systematic design, creating ...
Alyson East   +2 more
wiley   +1 more source

Monitoring wildlife health for diseases with visible signs by integrating camera traps with marked individuals

open access: yesConservation Biology, EarlyView.
Abstract Monitoring wildlife health is essential for conservation and management, wildlife and livestock welfare, and public health in a One Health framework. Yet, wildlife health monitoring often requires long‐term fieldwork and intensive sampling, which can be costly or logistically challenging, especially for remote, rare, or elusive populations. To
Jonathan Tichon   +8 more
wiley   +1 more source

Indicadores de repitencia en los costos universitarios: 1990-2010 [PDF]

open access: yes, 2010
El Dr. Angel Ginestar Bohigues propuso en 1990 una metodología para el cálculo de los costos del egresado universitario. Veinte años más tarde, en el seminario Costos Universitarios que ofreciera en el marco de la Maestría en Gestión Universitaria ...
López, Alicia Beatriz
core  

Control mecánico en arbustos exóticos del género Pyracantha bajo tres frecuencias de corte

open access: yesEcología Austral, 2023
El control mecánico se utiliza ampliamente para reducir la invasión de arbustos exóticos; no obstante, en especies que rebrotan, el esfuerzo debe mantenerse hasta que el rebrote sea prácticamente nulo. Un régimen de cortes frecuentes implica un esfuerzo
Daniel Renison   +4 more
doaj   +1 more source

Continental‐wide prioritization of protected areas to address global and habitat‐specific goals for avian biodiversity conservation

open access: yesConservation Biology, EarlyView.
Abstract The United Nations and European Union have set ambitious conservation goals to halt and reverse declines in biodiversity by protecting 30% of land and sea areas by 2030. Effective conservation planning requires evidence‐based spatial prioritization to maximize the coverage of species within designated protected areas.
Yanjie Xu   +33 more
wiley   +1 more source

Evolucion del costo de los medicamentos antihipertensivos en un pais en vias de desarrollo. El caso de Mexico en el periodo 1990 - 1996

open access: yesExpresión Económica, 2018
El costo de los medicamentos antihipertensivos es una de las limitantes para logran el control de los pacientes hipertensos. En este trabajo se comparan dos estudios realizados en México uno realizado en 1990 y otro en 1996.
Cesar Gonzalo Calvo Vargas   +3 more
doaj   +1 more source

Assessing responses of reef island seabirds to environmental and anthropogenic drivers

open access: yesConservation Biology, EarlyView.
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

Impacto da estrutura de custos na rentabilidade do setor saneamento [PDF]

open access: yes
La estructura de costos es un factor determinante en la gestión financiera y estratégica de las compañías, puesto que influye directamente en su capacidad para generar rentabilidad y mantener competitividad en los mercados dinámicos a los que se ven ...
Tello Ávila, José Antonio   +3 more
core   +2 more sources

Una función de costos para la industria bancaria

open access: yesEconómica, 1994
En este trabajo se estudian los costos operativos en la industria bancaria con una función translogarítmica, trabajando con el subconjunto de bancos privados en la Argentina. Se construye una medida de producto agregado más amplia que las medidas usadas
Jorge Miguel Streb   +2 more
doaj  

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

open access: yesConservation Biology, EarlyView.
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

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