Results 31 to 40 of about 528,441 (176)

Ungulate prey availability to inform Mexican wolf recovery within its historical range

open access: yesThe Journal of Wildlife Management, Volume 90, Issue 2, February 2026.
We estimated the potential ecological carrying capacity for the Mexican wolf based exclusively on ungulate prey biomass estimated from camera trap surveys. In the United States, the potential density estimate is high (21.4–52.7 wolves/1,000 km2) owing to the presence and relatively high densities of elk, mule deer, and white‐tailed deer.
Alejandro González‐Bernal   +6 more
wiley   +1 more source

IDENTIFICACIÓN DE PARÁMETROS MODALES DE ESTRUCTURAS VIBRANTES CON EXCITACIÓN ESTOCÁSTICA O DESCONOCIDA

open access: yesIndustrial Data, 2005
El Modelo multivariado autoregresivo con medias móviles (VARMA) se emplea para identificar características dinámicas de un sistema estructural ante la presencia de ruido.
Roberto Amaro Baldeón   +1 more
doaj   +1 more source

La instrucción de planificación hidrólogica y el régimen ambiental de caudales: principios, realidades y tareas pendientes [PDF]

open access: yes, 2011
El objetivo de este artículo es presentar los contenidos que deben ofrecer las metodologías para la estimación de regímenes ambientales de caudales y analizar el proceso de estimación, implantación y seguimiento que se abre en España en esta materia ...
Fernández Yuste, José Anastasio   +2 more
core  

Mate desertion affects offspring survival, development and physiology in a songbird with multiple parental strategies

open access: yesFunctional Ecology, Volume 40, Issue 2, Page 323-337, February 2026.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Sexual conflict affects the amount and duration of offspring care each parent invests, resulting in multiple parental care strategies sometimes coexisting within a single population.
Valentina Alaasam   +11 more
wiley   +1 more source

La administración de los riesgos en la contratación por prestación de servicios profesionales en Colombia según la Ley 1150 de 2007

open access: yesPensamiento Americano, 2019
En este artículo se describe la figura de los estudios previos como etapa preliminar para los procesos de contratación estatal desde una óptica doctrinal y jurisprudencial que procure una caracterización que sirva de referente para comprender su ...
Leidy Viviana López Bedoya   +1 more
doaj   +1 more source

Length-frequency estimation for yellowfin tuna (Thunnus albacares) caught by commercial fishing gear in the Eastern Pacific Ocean [PDF]

open access: yes, 1992
ENGLISH: Methods of collecting samples for the purpose of estimating the numbers and weights of fish caught, by length interval, are described. Several models for two-stage sampling are described, and the equations for the estimators and their variances ...
Calkins, Thomas P.   +2 more
core  

Impacts of bat use of anthropogenic structures on bats and humans

open access: yesConservation Biology, Volume 40, Issue 1, February 2026.
Abstract Human‐induced landscape modifications and climate change are forcing wildlife into closer contact with humans as the availability of natural habitats decreases. Although the importance of anthropogenic structures for the conservation of species is widely recognized, negative narratives surrounding bats may impede conservation efforts in human ...
Ella A. Sippola   +15 more
wiley   +1 more source

Volatile Energy, Stunted Investment: How Energy Price Inflation Shapes Foreign Direct Investment Into Africa

open access: yesWorld Affairs, Volume 189, Issue 1, Spring 2026.
ABSTRACT In the study, we investigate the roles energy price inflation and its volatility play in shaping foreign direct investment (FDI) inflow into Sub‐Saharan Africa (SSA). Applying data from 37 SSA economies between 2002 and 2023 and the system generalized method of moments (GMM) as the estimation strategy to account for endogeneity, the results ...
Chimere O. Iheonu   +2 more
wiley   +1 more source

Estimación de la inteligencia y valores en adolescentes [PDF]

open access: yes, 2014
En este estudio adolescentes españoles del primer ciclo de la ESO (N=218) hicieron estimaciones de su propia inteligencia general y múltiple así como de las de su familia.
Carpintero Molina, Elvira   +3 more
core   +1 more source

Telephone Communication, ICT Use, and Digitalization in Healthcare Performance

open access: yesWorld Affairs, Volume 189, Issue 1, Spring 2026.
ABSTRACT This study explores the impact of telephone communication, ICT use, and digitalization on healthcare performance in sub‐Saharan Africa (SSA), a region facing challenges such as limited infrastructure and resources, geographical barriers, and a high disease burden.
Emmanuel K. Manu   +2 more
wiley   +1 more source

Home - About - Disclaimer - Privacy