Search results for "level"
showing 10 items of 3465 documents
GÉOCARREFOUR KEY WORDS Local level development planning, night-time, light pollution, branding, energy transition
2015
La pollution lumineuse est progressivement devenue un enjeu environnemental. Elle produit ainsi de nouveaux périmètres pour l’action publique, dans un contexte de transition énergétique incitant à modifier les pratiques d’éclairage public pour protéger la « nuit noire ». Pour les territoires de faible densité, cette vision renouvelée de la nuit constitue une « aubaine » en termes de développement territorial. Des processus différenciés de protection, de labellisation et de mise en tourisme des « ressources environnementales nocturnes » émergent, devenant ainsi un levier de la transition énergétique. For several decades, the negative impacts of artificial light on environmental mechanisms ha…
Juridiskā zinātne, Nr. 10
2017
The Journal No. 10 is financed by the project of Latvian Council of Science “The Experience, Lessons and International Importance of the Restoration of Latvia’s Independent Statehood (Historical, Political and Legal Aspects)”
Factors controlling hydrochemical and trophic state variables in 86 shallow lakes in Europe
2003
In order to disentangle the causes of variations in water chemistry among European shallow lakes, we performed standardised sampling programs in 86 lakes along a latitudinal gradient from southern Spain to northern Sweden. Lakes with an area of 0.1 to 27 000 ha and mean depth of 0.4–5.6 m located in low to high altitudes were investigated within the EC project ECOFRAME 1–4 times during June–October 2000–2001. Several variables like conductivity, alkalinity, abundance of submerged plants, concentrations of suspended solids, total nitrogen and phosphorus were latitude-dependent decreasing from south to north. Secchi depth, concentrations of total nitrogen, total phosphorus, suspended solids, …
Ecological Stoichiometry of Bumblebee Castes, Sexes, and Age Groups
2021
Ecological stoichiometry is important for revealing how the composition of chemical elements of organisms is influenced by their physiological functions and ecology. In this study, we investigated the elemental body composition of queens, workers, and males of the bumblebee Bombus terrestris, an important pollinator throughout Eurasia, North America, and northern Africa. Our results showed that body elemental content differs among B. terrestris castes. Young queens and workers had higher body nitrogen concentration than ovipositing queens and males, while castes did not differ significantly in their body carbon concentration. Furthermore, the carbon-to-nitrogen ratio was higher in ovipositi…
Ágora para la educación física y el deporte
2020
Resumen basado en el de la publicación Título, resumen y palabras clave disponibles en español y en inglés Se pretende analizar la motivación de los adolescentes hacia la educación física y la práctica de actividad física habitual en función del género y en función de su práctica de actividad física habitual. Para ello, se tomó una muestra de 83 estudiantes de un instituto de Educación Secundaria Obligatoria de Valencia (España), con edades comprendidas entre los 14 y 17 años (M = 15.06; DT = .79). Los instrumentos utilizados fueron el cuestionario de motivación en las clases de educación física (CMEF), que incluye la motivación intrínseca, la regulación identificada, la regulación introyec…
Socioeconomic inequalities in education: public policies for resilience
2023
La presente Tesis Doctoral se centra principalmente en el análisis de las desigualdades educativas derivadas del entorno socioeconómico de origen y en la realización de propuestas de política pública para mejorarla, pues la educación es la principal herramienta de la que disponen los Estados, y sus respectivos responsables políticos, para aumentar la movilidad social y, con ello, la igualdad de oportunidades. El enfoque utilizado es el de la resiliencia educativa, que hace referencia a la capacidad de resistencia o superación de las adversidades durante la etapa educativa. Por tanto, este enfoque permite localizar al alumnado desfavorecido, pero que ha conseguido superar las adversidades de…
Oppimateriaalien kehittäminen, hyödyntäminen ja rooli tieto- ja viestintätekniikan opetuksessa
2014
Meromixis origin and recent trophic evolution in the Spanish mountain lake La Cruz
1998
A sediment core from a Mediterranean karstic lake was studied through its pollen, diatom, chydorid, ostracod, charcoal and authigenic mineral composition. Information about environmental history recorded in the sediment sequence since the Middle Ages is presented. The main fluctuations of water volume and trophic status of the lake occurred during periods of great change in land management and during climatic cold phases. The synergetic effect of these two factors led to a high water level phase and triggered a rising of the trophic level which produced meromixis. The onset of meromictic conditions at about 1700 AD coincides with the Maunder minimum in the Little Ice Age as well as with a p…
Plankton Ecology and Diversity
2010
In this chapter we describe plankton responses induced by fluctuating hydrology and eutrophication process in the semi-arid TDNP wetland. We have followed the planktonic community since 1992, at seasonal and interannual scales, covering as well the spatial heterogeneity of the wetland. The studied planktonic components were bacterioplankton, autotrophic picoplankton, nano and microphytoplankton and zooplankton, including ciliates. Plankton has been studied in terms of species composition (diversity), functional groups, spatial heterogeneity, population dynamics. The present data from this wetland allow us to determine which factors (resources and conditions) are relevant for each group and …
“To Own, or not to Own?” A multilevel analysis of intellectual property right policies' on academic entrepreneurship
2017
The political environment around universities has led them to create an infrastructure to manage academic inventions. While some consider that the advantages of a university entrepreneurial structure outweigh any potential negative effects, others question their detrimental effect on academic scientists’ entrepreneurial behavior. However, this debate remains unresolved as none of these two views have been fully empirically supported. Using multilevel models for a population of 2230 professors in 27 universities in Canada (82 individuals per unit on average), we test the effect of three features of institutional intellectual property right policy characteristics, namely, property rights (own…