Results 51 to 60 of about 261,121 (233)
Anales de la Universidad de Chile, 2011 Como nunca, el panorama de la politica nacional juega a la esquizofrenia: las loas al desarrollo del pais -particularmente medido desde una perspectiva exclusivamente economica,que tiene un correlato social en el vuelco hacia el consumo- conviven con un malestar subterraneo y sordo.
openaire +2 more sources
Zooplankton richness, abundance and biomass of two hypertrophic shallow lakes with different salinity [PDF]
, 2012 The zooplankton of lakes is controlled by biological and physico-chemical parameters. Among the former, predation by fish can determine the replacement of large-sized species by small-sized ones and among the latter, salinity exerts negative effects on ...
Cabrera, Gabriela Cecilia +3 more
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The Journal of Latin American and Caribbean Anthropology, Volume 31, Issue 2, June 2026.ABSTRACT The visit to Bogotá of a fééeneminaa (Muinane) friend, Célimo Nejedeka Jifichíu, and in particular, his work in researching and transmitting traditional health knowledge, offer the pretext to navigate the relationship between elements that at first glance seem distant from each other: indigenous imaginaries about otherness, their visions of ...
Giovanna Micarelli
wiley +1 more source
Influencia de la industria pesquera en la macrofauna bentónica en la Bahía de Coishco, Perú
Revista de Investigaciones Marinas, 2022 Las comunidades bentónicas desempeñan un papel importante en los ecosistemas marinos, es por ello que se hace necesario evaluar la influencia de la industria pesquera sobre la macrofauna bentónica en época de pesca y veda en la bahía de Coishco. Para lo
Luis Fernando Torres-Cabrera +4 more
doaj
Revista Biológico Agropecuaria Tuxpan, 2014 La macrofauna edáfica tiene un papel muy importante en la fertilidad y estructura física de los suelos, ya que algunos de estos organismos realizan actividades cuyo impacto es positivo, por ejemplo, la regulación de los nutrientes disponibles para las ...
Nataren Velázquez Jeremías +4 more
doaj +1 more source
Journal of Applied Ecology, Volume 63, Issue 5, May 2026.Our findings demonstrate that providing sugar sources reliably supports parasitoid populations and parasitism rate but does not systematically translate into improved pest suppression or yield gains. These results suggest that, for economic and practical reasons, sugar inputs at the edge of cultivated fields should be favoured.
Martin Luquet +3 more
wiley +1 more source
Gayana, 2023 Los humedales son hábitat de alta diversidad e importancia global que están sufriendo una creciente presión antrópica, especialmente los estuarios riparios en áreas urbanas. Uno de ellos en la zona mediterránea de Chile, es el humedal Petrel.
Carolina Allendes-Muñoz +1 more
doaj
The chaetognatha of the Eastropic Expedition, with notes as to their possible value as indicators of hydrographic conditions [PDF]
, 1959 ENGLISH: The purpose of this study was to investigate the possibility that certain species of Chaetognatha found in Eastern Tropical Pacific waters can serve as biological indicators of oceanographic features. "Indicator" organisms have been found useful
Renner, James A., Sund, Paul N.
core
First record of dot-winged crake, Porzana spiloptera, durnford, 1877 (Rallidae) for the central Andes in Argentina [PDF]
, 2017 Porzana spiloptera, the Dot-wing Crake, has a patchy distribution in southern South America and has previously been considered as inhabiting exclusively lowland wetlands.
Cuervo Bustamante, Pablo Fernando +2 more
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A multi‐network approach to assess how physical templates shape stream fish ecological strategies
Ecological Solutions and Evidence, Volume 7, Issue 2, April/June 2026.This multi‐network framework identifies a continuous topological gradient of fish ecological strategies—comprising Dispersal Gateways, Integrated Connectors, and Mass Effect Dominated species—within the dendritic river template. The functional role of stream reaches is scale‐sensitive, particularly at headwater extremes where sites operate as critical ...
Mauricio Cetra, Rodrigo da Silva Almeida
wiley +1 more source