Results 91 to 100 of about 225,138 (210)
Waterbirds distributed in semi‐arid and arid regions seem to have adapted their behaviour to the availability and seasonality of wetlands, increasing their mobility range. The Marbled Duck Marmaronetta angustirostris is a threatened waterbird that shows trans‐Mediterranean movements but these are poorly known.
Irene Pacheco‐Guardiola +6 more
wiley +1 more source
Posibilidades y limitaciones del cebo ecológico de terneros en Asturias [PDF]
La ganadería ecológica puede ser una buena alternativa para las condiciones de la Cornisa Cantábrica, dado el potencial productivo de pastos y forrajes en los que se basan los sistemas extensivos.
Celaya Aguirre, Rafael +2 more
core
Revisiting Deere in an Extractivist Era: Agrarian Reform and Feminist Legacies in Coastal Ecuador
ABSTRACT This article examines how campesinas in coastal Ecuador have navigated shifting labour roles, financial precarity and ecological degradation under Plan Tierras, a state‐led land redistribution policy embedded in an extractivist model of agriculture.
Natalia Landívar, Lynne Phillips
wiley +1 more source
Introducción y objetivos: En el NO de Argentina se encuentran sistemas ganaderos de subsistencia con manejo extensivo del pastoreo a cargo de unidades familiares.
Laura M. Califano
semanticscholar +1 more source
We present an extensive phylogenetic analysis, based on 293 nuclear loci and 728 individuals representing 237 species of Anastrepha, the largest and most economically important New World genus of Tephritidae. The analysis strongly supports the monophyly of most Anastrepha species groups, also revealing previously unknown relationships among species and
Allen L. Norrbom +19 more
wiley +1 more source
Intoxicação por organoclorados (endosulfan) em bovinos no Uruguai
Descreve-se um surto de intoxicação por organoclorados (Endosulfan) em bovinos ocorrido em abril de 2009, em uma propriedade de recria de bezerros localizada no departamento de Paisandú, Uruguai.
R. Rivero +3 more
doaj +1 more source
Evaluation of the protective capacity of the novel vaccine strain Delta-pgm in bovines [PDF]
La brucelosis bovina es una zoonosis ampliamente distribuida en el mundo y que continúa produciendo importantes pérdidas económicas y problemas de salud en humanos.
Bagnat, Eduardo +5 more
core
Spatial Representativeness of MexFlux as a Regional FLUXNET Network
Abstract Environmental observatory networks are fundamental in advancing scientific understanding of biogeochemical processes. FLUXNET is a global network of regional eddy covariance networks that measure ecosystem‐scale exchanges of greenhouse gases (e.g., CO2, CH4, H2O) and energy between the biosphere and the atmosphere.
Rodrigo Vargas +21 more
wiley +1 more source
Criollo and Suffolk ewes were compared for resistance to an experimental infection with Haemonchus contortus in the periparturient period. Measures on days −28, −14, 0 (lambing date), 14, 28, and 42 were taken on number of eggs per gram of faeces (EPG ...
Eliseo Romero-Escobedo +5 more
doaj +1 more source

