Results 81 to 90 of about 1,620,417 (302)

Referencias bibliográficas: indicadores para su evaluación en trabajos científicos

open access: yes, 2017
El presente trabajo tiene como objetivo establecer un modelo mediante la aplicacion de indicadores de evaluacion a la calidad de las referencias bibliograficas en trabajos cientificos.
Sandra Gisela Martín, V. Lafuente
semanticscholar   +1 more source

Finding floral and faunal species richness optima among active fire regimes

open access: yesConservation Biology, EarlyView.
Abstract Changing fire regimes have important implications for biodiversity and challenge traditional conservation approaches that rely on historical conditions as proxies for ecological integrity. This historical‐centric approach becomes increasingly tenuous under climate change, necessitating direct tests of environmental impacts on biodiversity.
Zachary L. Steel   +8 more
wiley   +1 more source

Some quality indicators in Pre-Primary Education

open access: yesTeoría de la Educación: Revista Interuniversitaria, 2010
The finding of the true quality indicators in Pre-Primary Education is an objective that has not been fully reached so far, though there is an increasing amount of papers dealing with the topic.
María Paz LEBRERO BAENA   +1 more
doaj   +1 more source

Indicadores para el seguimiento de ciudades históricas [PDF]

open access: yes, 2005
El seguimiento del estado de conservación de ciudades, centros o barrios históricos resulta una tarea que pocas veces se encara de manera continua y sistemática.
Conti, Alfredo Luis
core  

Salty suitors: High larval sodium intake reduces adult lifespan and influences reproductive behaviour in a lepidopteran herbivore

open access: yesEcological Entomology, EarlyView.
Low‐sodium females took significantly longer to start mating than high‐sodium females, but no pairings differed in the duration of copulation. Reproductive outputs, measured by number of clutches, hatching young, adult offspring and pupation time, did not differ across parental sodium pairings.
Maggie C. Vincent   +3 more
wiley   +1 more source

The cooperatives not agricultural as an alternative to the local development in the Isla de la Juventud

open access: yesCooperativismo y Desarrollo, 2017
The work has as objective to analyze the economic results - financial of the non agricultural cooperative “The Kitchen" as alternative for the local development in the Island of Youth, for that to leaned in the economic techniques - financial existent ...
Liudyana Dominguez Matos
doaj  

Good agricultural practices in broiler chicken production in the state of Paraná: focus on animal welfare

open access: yesCiência Rural, 2015
: Broiler chicken welfare regulation at farm level is scarce in Brazil. This research aimed to study good agricultural practices at farm level adopted by broiler chicken companies in the state of Paraná, analyzing them in relation to the promotion of ...
Ana Paula Oliveira Souza   +1 more
doaj   +1 more source

Síntesis de indicadores laborales [PDF]

open access: yes, 2012
Fil: Universidad Nacional de Cuyo. Instituto de Trabajo y Producción.
Universidad Nacional de Cuyo. Instituto de Trabajo y Producción
core  

Unexpected spatial aggregation between two species of hummingbirds and their inconsistent spatial interactions with native and exotic plants in an urban ecological reserve

open access: yesIbis, EarlyView.
Hummingbirds play an important role as pollinators and are one of the primary examples of animal–plant coevolution. However, factors such as land‐use change, urbanization, exotic species introductions and the disappearance of native plants can negatively affect the persistence of hummingbird populations.
Gonzalo A. Ramírez‐Cruz   +4 more
wiley   +1 more source

Local and landscape features of urban fragments determine the occurrence of stingless bees As características locais e paisagísticas dos fragmentos urbanos determinam a ocorrência de uma espécie de abelhas sem ferrão

open access: yesInsect Conservation and Diversity, EarlyView.
Both local and landscape factors associated with habitat availability and quality determine the persistence of stingless bees across fragments. Places where the species occurs have local and landscape characteristics distinctive from those where it is absent.
Yasmine Antonini   +2 more
wiley   +1 more source

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