Results 41 to 50 of about 6,833 (168)
Salud Pública de México, 2000 OBJETIVO: Estimar la prevalencia de colonización por Streptococcus del grupo B (SGB) en mujeres embarazadas de Los Altos, Chiapas, y analizar factores asociados a la misma.
Ocampo-Torres Moisés +4 more
doaj
Detección de aves exóticas en parques urbanos del centro de México
Huitzil, 2013 Las áreas arboladas urbanas son utilizadas por algunas aves invasoras en su proceso de colonización; la detección temprana de estas especies es una acción necesaria para su vigilancia y control.
Rubén Pineda-López +3 more
doaj +1 more source
Functional Ecology, Volume 39, Issue 2, Page 371-389, February 2025.Read the free Plain Language Summary for this article on the Journal blog. Abstract Plants use physical barriers and chemical compounds to defend themselves against natural enemies. For instance, tough leaves are considered to be better defended than soft leaves, part of a spectrum of defences defined by functional traits such as leaf chemistry ...
Bolívar Aponte Rolón +3 more
wiley +1 more source
Building pondscapes for amphibian metapopulations
Conservation Biology, Volume 38, Issue 6, December 2024.Abstract The success of ponds constructed to restore ecological infrastructure for pond‐breeding amphibians and benefit aquatic biodiversity depends on where and how they are built. We studied effects of pond and landscape characteristics, including connectivity, on metapopulation dynamics of 12 amphibian species in Switzerland.
Helen Moor +6 more
wiley +1 more source
Community perceptions of invasive species and environmental management in a US island territory
Conservation Biology, Volume 38, Issue 6, December 2024.Abstract Environmental managers struggle with communicating accurate and relevant information and with gaining trust from the communities they serve, problems that are especially pronounced in minority and colonized communities. An important step in developing successful management strategies is partnering directly with the communities involved, but ...
Ann Marie Gawel +2 more
wiley +1 more source
The Journal of Latin American and Caribbean Anthropology, Volume 29, Issue 4, Page 352-363, December 2024.Abstract This paper explores selective aspects of the historical processes of organization of the kichwa peasantry in the Andes of Ecuador. Based on the analysis of two representative cases of confrontation between peasants and landowners over access to land in the province of Chimborazo, it discusses the relevance of the concept of “gamonalismo” as ...
Víctor Bretón
wiley +1 more source
Revista de Biología Tropical, 2007 Se colocaron muestreadores de material acrílico con portaobjetos a nivel subsuperficial en dos estaciones de recolección en la parte alta del río Medellín.
Yimmy Montoya M, John J Ramírez R
doaj
Revista de Biología Tropical, 2013 La Isla del Coco es una isla oceánica localizada en el Pacífico Tropical Oriental a unos 492km de Cabo Blanco. La isla cuenta con un área terrestre de 24km² y un área marina protegida de 9 640km².
Pablo E. Gutiérrez-Fonseca +3 more
doaj
La caída de los precios del petróleo,la devaluación del peso y el aumento de la deuda pública.
Revista Kavilando, 2014 El presente artículo es para alertar desde ya, sobre las secuelas del aumento considerable del endeudamiento público, en tanto despoja a la población de derechos sociales y la confina a un mayor grado de pobreza, mientras preserva la riqueza de las ...
Daniel Libreros +2 more
doaj