Results 31 to 40 of about 7,458 (217)

Overlap of nonbreeding wandering albatrosses with fisheries and implications for colony‐specific population trajectories at South Georgia

Conservation Biology, EarlyView.
Abstract Bycatch in fisheries is one of the most serious threats to pelagic seabirds, causing major population declines. Mitigation measures can reduce bycatch substantially, but many fisheries fail to apply best practices, and seabird mortality remains high.
V. Warwick‐Evans, E. J. Pearmain, R. A. Phillips   +2 more
wiley   +1 more source

Mercado, producción agrícola y cambio económico en Mallorca durante el siglo XVIII [PDF]

, 1991
Publicad
Manera Erbina, Carles, Manera, Carles
core  

Peso de los cristalinos y aproximación a la edad en Arvicola sapidus Miller, 1908 (Rodentia, Arvicolidae). [PDF]

Munibe Ciencias Naturales, 1995
En el presente trabajo se aportan datos sobre el peso de los   cristalinos de Arvicola Sapidus, en función de la edad relativa,   el sexo y la época de nacimiento. La muestra analizada ha estado   constituida por 289 ejemplares (160 machos y 129 hembras)
GARDE, J.M., ESCALA, M.C.
doaj  

Effects of selective harvest on antler size of white‐tailed deer in Texas, USA

Wildlife Monographs, Volume 222, Issue 1, June 2026.
We conducted 20 years of experiments on the selective harvest of white‐tailed deer by antler size, judged inferior, in 2 areas of South Texas, USA. Selective harvest increased the phenotypic antler size of older males in one study area but not the other. There was little evidence of evolution resulting from selective harvesting. Abstract There has been
Don A. Draeger, Charles A. DeYoung, Masahiro Ohnishi, David Navarro, Randy W. DeYoung, Bronson K. Strickland, David B. Wester, Alan T. Cain, David G. Hewitt   +8 more
wiley   +1 more source

Estructura de edades de pumas (Puma concolor) cazados bajo el sistema de remoción por recompensas en Patagonia. ¿Selectividad u oportunismo en la captura?

Ecología Austral, 2014
Ecología Austral, 24:311-319 (2014) El control letal de carnívoros es una práctica común, pero su eficacia ha sido escasamente evaluada y es aún poco clara.
Romina Llanos, Alejandro Travaini, Silvana Montanelli, Enrique Crespo   +3 more
doaj   +1 more source

Roots of resilience: Assessing child and adolescent nature connectivity in the Mediterranean Region of Murcia (Spain)

People and Nature, Volume 8, Issue 2, Page 378-391, February 2026.
Abstract Children today spend less time outdoors than previous generations, with potential consequences for health, learning and pro‐environmental attitudes. We assessed children's connection with and exposure to nature in a Mediterranean setting using the Nature Connection and Experience Index (NCEI), a composite measure that integrates an affective ...
Juan Antonio Ortega‐García, Francisco Díaz‐Martínez, Laura Teresa Cabrera‐Rivera, Carmen Alicia Cánovas‐Conesa, Elena Codina, Rebeca Ramis, Luz Claudio   +6 more
wiley   +1 more source

Hábitos y actitudes de los jóvenes ante las redes sociales: influencia del sexo, edad y clase social

El profesional de la información, 2020
Young people show differential levels of participation in social networks linked to their different motivation to participate, even though their use is very high and intensive. In this study, a map of the most relevant social network practices of young people is constructed, with a particular focus on identifying participatory uses and studying their ...
María-Cruz López-de-Ayala, Ricardo Vizcaíno-Laorga, Manuel Montes-Vozmediano   +2 more
openaire   +3 more sources

Teacher–Student Relationship Quality and Classroom Climate From the Student Perspective: Adaptation of the SPARTS‐E in the Spanish Context7

Child: Care, Health and Development, Volume 52, Issue 1, January 2026.
ABSTRACT Background The quality of the affective bond between teachers and their students is recognised as a key determinant of children's socio‐emotional adjustment, classroom climate and academic engagement. Spain, however, lacks student‐reported measures grounded in attachment theory. This study therefore adapted and validated the Student Perception
Laura Garcia‐Rodriguez, Charo Reparaz, Concha Iriarte   +2 more
wiley   +1 more source

Relación entre las preguntas que formulan estudiantes y los estándares básicos de competencias

Bio-grafía, 2023
Las preguntas que formulan los estudiantes en clases de ciencias han sido un eje en la investigación de los procesos de enseñanza - aprendizaje por varios años, demostrando que son útiles para generar conocimiento en el aula de clase, pero pocas veces ...
Nicolás Ayala Tovar, Ana María Clavijo Vanegas   +1 more
doaj   +1 more source

La socialización de los valores culturales y el desarrollo de la prosocialidad latinoamericana

Child Development Perspectives, Volume 19, Issue 4, Page 244-252, December 2025.
Abstracto Estudiar la socialización infantil en múltiples culturas del mundo es importante para desarrollar teorías integrales y generalizables de la psicología del desarrollo. Investigaciones sugieren que las niñas y los niños latinoamericanos muestran niveles notablemente altos de comportamiento prosocial.
Rodolfo Cortes Barragan, Andrew N. Meltzoff   +1 more
wiley   +1 more source