Results 21 to 30 of about 1,559,236 (126)

Nivel Self Evaluation 2016-2021.

open access: yes, 2022
In this report we describe our mission, goals, and strategies for the evaluation period 2016-2021. We present selected key measures, and the narrative in the light of our goals and strategies.
Nivel
core  

Ecología trófica de Falconiformes y Strigiformes: tiempo de síntesis

open access: yesEl Hornero, 2007
Aunque a nivel mundial existen numerosos antecedentes sobre hábitos tróficos de aves rapaces, la información disponible para Argentina es escasa y sesgada. Con el objetivo de sintetizar el estado actual del conocimiento sobre la ecología trófica de aves
María Susana Bó   +2 more
doaj   +1 more source

Trophic levels of fish species of commercial importance in the Colombian Caribbean

open access: yesRevista de Biología Tropical, 2011
Ecological studies on commercial important fish species are of great value to support resource management issues. This study calculated trophic levels of those Colombian Caribbean fish species whose diet has been locally described.
Camilo B García   +1 more
doaj   +2 more sources

Contenido estomacal del bagre lisa (Ariopsis guatemalensis Günther, 1864) en el Estero Salado de Guayaquil, Ecuador

open access: yesRevista Científica de Ciencias Naturales y Ambientales, 2021
Los estudios sobre ecología trófica permiten comprender las funciones que cumplen las especies y el impacto que podría tener su desaparición o disminución en el ecosistema.
Danilo Bejarano-Zambrano, Antonio Torres
doaj   +1 more source

Primer registro de avispas parasitoides de huevos de Sagotylus confluens (Say, 1832) (Hemiptera: Coreidae) encontradas en Veracruz, México

open access: yesAIA Avances en Investigación Agropecuaria
Objetivo. Registrar parasitoides de huevos de la chinche fitófaga Sagotylus confluens (Hemiptera: Coreidae), en Veracruz, México. Materiales y métodos. Se realizó la colecta de 432 huevos de S. confluens, en plantas de frijol espada Canavalia ensiformis,
Martha Paola Ramos-Santiago   +2 more
doaj   +1 more source

Trophic interactions in northern Chile upwelling ecosystem, year 1997

open access: yesLatin American Journal of Aquatic Research, 2014
A food web model is constructed to describe predator-prey interactions, community structure and trophic flows in northern Chile upwelling ecosystem (18°20'S, 24°S), for the year 1997. The model is built using the Ecopath with Ecosim software version 6.4,
Mónica E Barros   +2 more
doaj   +1 more source

QUALICOPC - Shared Decision Making in referrals by general practitioners

open access: yes, 2018
This set contains a selection of variables from the QUALICOPC (Quality and Costs of Primary Care in Europe) database on primary care in 32 countries.
Schäfer, W.L.A. (NIVEL), Researcher
core   +1 more source

Fluctuating asymmetry in spider‐hunting wasps as a possible indicator of stress in Brazilian Atlantic Forest landscapes Assimetria flutuante em vespas caçadoras de aranhas como possível indicador de estresse em paisagens da Mata Atlântica brasileira

open access: yesEcological Entomology, Volume 51, Issue 3, Page 558-569, June 2026.
Agricultural cover was positively associated with fluctuating asymmetry in Trypoxylon opacum, suggesting a possible increase in developmental instability in intensively managed landscapes. Wing size was positively related to forest cover and negatively related to agricultural cover, indicating that forested landscapes may promote larger body size ...
Luana Vieira Carlin dos Santos   +3 more
wiley   +1 more source

Atopic children and use of prescribed medication: a comprehensive study in general practice

open access: yes, 2017
These datasets contain information about children aged 0-18 years listed in the NIVEL Primary Care Database in 2014 diagnosed with atopic disorders (atopic eczema, asthma, allergic rhinitis or all three diseases) and matched controls (not diagnosed with ...
Nielen, Dr. M.M.J. (NIVEL)
core   +1 more source

Ponderação de variáveis de índice trófico com aplicação em reservatórios no semiárido brasileiro [PDF]

open access: yesRevista DAE
Neste estudo foram investigados 14 reservatórios no estado do Ceará, Nordeste do Brasil, utilizando dados anuais de monitoramento (2013 a 2020) sobre a qualidade da água.
Carlos Hugo Campos Camacho   +4 more
doaj   +1 more source

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