Results 61 to 70 of about 774,672 (176)

Biodiversity‐driven spatial conservation planning to delineate temporally stable regions

Conservation Biology, EarlyView.
Abstract The accelerating loss of biodiversity underscores the critical need for effective conservation strategies, particularly in the face of climate change and anthropogenic pressures. We devised a conservation planning framework that adopts a temporal stacking approach to species distribution models and landscape connectivity analyses. These models
Mattia Iannella, Viviana Cittadino, Ilaria Bernabò, Antonio Romano, Maurizio Biondi, Davide Serva   +5 more
wiley   +1 more source

Diferencias en el gasto alimentario según características socioeconómicas y de seguridad alimentaria y nutricional en hogares de Medellín

Perspectivas en Nutrición Humana, 2017
Antecedentes: la proporción de gasto alimentario en el hogar con respecto al gasto total es un indicador inverso del bienestar. Objetivo: analizar las diferencias en la proporción de gasto alimentario en los hogares de Medellín según características ...
Beatriz Elena Gil Gil, Hugo Melgar Quiñonez, Martha Cecilia Álvarez Uribe, Alejandro Estrada Restrepo   +3 more
doaj   +1 more source

Growth, movement, and attrition of northern bluefin tuna, Thunnus thynnus, in the Pacific Ocean, as determined by tagging [PDF]

, 1991
ENGLISH: The growth of northern bluefin tuna is described by a two-stanza model. For fish between 191 and 564 mm in length the Gompertz curve, with values of 581 mm and 4.32 for Loo and K (annual), respectively, is used.
Bayliff, William H., Deriso, Richard B., Ishizuki, Yoshio   +2 more
core  

Using customs data to understand overlooked trade in non‐CITES birds between Africa and Asia

Conservation Biology, EarlyView.
Abstract The international trade in live birds poses risks to animals, people, and biodiversity. To effectively mitigate these risks, decision‐makers require information on the volume, dynamics, and direction of trade. Despite Africa once being the largest exporter of birds by region, very little data exist on recent trade in live birds not listed on ...
Alisa Davies, Astrid A. Andersson, Rowan O. Martin, Sam Inglis, Caroline Dingle   +4 more
wiley   +1 more source

Elevation, rather than land use, causes important dietary shifts in the Mediterranean golden eagle

Journal of Zoology, EarlyView.
In an ever‐changing landscape, golden eagles in the Iberian Peninsula demonstrate remarkable dietary adaptability. We monitored 50 distinct breeding events over 4 years using camera traps, collecting over 520 000 images. Elevation, rather than land use, emerged as the main driver of prey composition: lagomorphs and columbiforms dominated at lower ...
D. Gambra, E. Navarro, J. Martel, N. Fernández‐Pesquera, P. Ortega, A. San Miguel, R. Perea, M. Peláez   +7 more
wiley   +1 more source

Fenología, sincronía floral y éxito reproductivo de Neolloydia conoidea (Cactaceae)

Botan‪ical Sciences, 2019
Antecedentes: Los estudios sobre los patrones de floración, sincronía floral y éxito reproductivo en cactáceas son incipientes y de muchas especies se desconoce prácticamente su biología reproductiva como ocurre con la cactácea globosa Neolloydia ...
Erika Arroyo-Pérez, Cecilia Leonor Jiménez-Sierra, José Alejandro Zavala-Hurtado, Joel David Flores-Rivas, Isaías Hazarmabeth Salgado-Ugarte   +4 more
doaj   +1 more source

Using Cultural Theory to Specify the Policy Actors, Belief Systems, and Sources of Coalition, Conflict, Stability, and Change in Policy Advocacy Coalitions and Environmental Resource Policies

Policy Studies Journal, EarlyView.
ABSTRACT We use grid‐group cultural theory (CT) to specify underspecified aspects of the Advocacy Coalition Framework (ACF). Our theoretical synthesis of CT and the ACF provides, first, an exhaustive typology of policy actors and their cultural cognitive biases that entail, guide, and constrain policy core beliefs about problem definitions and ...
Metodi Sotirov, Brendon Swedlow
wiley   +1 more source

La proporción como un eje de articulación entre la secundaria y el bachillerato [PDF]

, 2015
Diversas investigaciones muestran las dificultades de alumnos y profesores de educación básica y media superior en México en la noción de proporción, a las que se anexa un curriculum desarticulado en este mismo tema. El presente trabajo muestra como
Acosta, Juan Alberto, Monroy, Jesús, Rondero, Carlos   +2 more
core  

Unpacking Welfare Deservingness Theory: Evidence From the Perceived Deservingness of Gig Workers

Policy Studies Journal, EarlyView.
ABSTRACT The theory of welfare deservingness provides valuable insights into the social legitimacy of welfare programs and the principles underlying policy design. In examining the question of who deserves what and why, established deservingness criteria emphasize that individuals demonstrating motivation to work (“reciprocity”) are typically perceived
Juhyun Bae
wiley   +1 more source

La proporción entre la estatura y el peso corporal

Anales de Antropología, 2009
En esta investigación se pretende analizar y observar la relación que existe entre el peso y la estatura corporal, este fenómeno se aprecia como un factor biológico general del crecimiento en mayor latitud, este fenómeno coincide con una morfología ...
Joahanna Faulhaber
doaj   +1 more source