Revistas: Recent submissions
Now showing items 361-370 of 1259
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The positive association between natural vegetation, native coccinellids and functional diversity of aphidophagous coccinellid communities in alfalfa
(2021-01)1. A greater taxonomic and functional diversity of natural enemies in agroecosystems is frequently positively associated with more effective pest control, due to the complementarity of species or traits. But this diversity ... -
Good data are not enough: Understanding limited information use for climate risk and food security management in Guatemala.
(2020)Climate extremes are one of the main drivers of acute food insecurity. In Guatemala, acute food insecurity reaches alarming levels when the usual dry period during the bimodal rainy seasons is extended or starts earlier ... -
Discovering weather periods and crop properties favorable for coffee rust incidence from feature selection approaches
(2020)Coffee Leaf Rust (CLR) is a disease that leads to considerable losses in the worldwide coffee industry; as those that have been reported recently in Colombia and Central America. The early detection of favorable conditions ... -
Leaf functional traits vary within and across tree species in tropical cloud forest on rock outcrop versus volcanic soil
(2019)Functional leaf traits are used to classify plants into ecological strategies according to the leaf economic spectrum. Geological substrate has an important effect on functional trait variation, however, interspecific and ... -
Species interactions across trophic levels mediate rainfall effects on dryland vegetation dynamics
(2020)Arid ecosystems are strongly limited by water availability, and precipitation plays a 2 major role in the dynamics of all species in arid regions, as well as the ecosystem processes that 3 occur there. However, understanding ... -
Almacenamiento de carbono en sistemas agroforestales en los Llanos Orientales de Colombia
(2021-03)Carbon storage in agroforestry systems in Colombia’s Eastern Plains. Introduction: Coffee, cocoa crops and pastures for livestock are agricultural activities of economic interest in Colombia. When these activities are ... -
Dimensions of social and political capital in interventions to improve household wellbeing: Implications for coffee-growing areas in southern Colombia
(2021)This paper studies the influence of community capitals on well-being through a Community Capital Index (CCI) within coffee-growing families in southern Colombia. Our results show different farm typologies, with different ... -
Crecimiento determinado e indeterminado de la soja en dos épocas de siembra en Costa Rica
(Instituto Interamericano de Cooperación para la Agricultura (IICA), San José (Costa Rica), 1991-07)Se estudiaron el desarrollo y el comportamiento agronómico de cuatro genótipos de soja con crecimiento determinado (dt1) y seis con crecimiento indeterminado (Dt1), en dos épocas de siembra: 18 de mayo (fotoperíodo creciente) ... -
Searching for manatees in the dark waters of a transboundary river between Mexico and Belize: a predictive distribution model
(Springer, Nueva York (Estados Unidos), 2020-11-05)Antillean manatees in the Hondo River have been recorded from aerial and aquatic surveys, and interviews. However, these studies have been conducted only in the lower riverbed, leaving a gap of information about their ... -
Respuestas contrastantes del maíz tropical ante la sequía en el período vegetativo o reproductivo
(Instituto Interamericano de Cooperación para la Agricultura (IICA), San José (Costa Rica), 1991-07)Los objetivos de este trabajo fueron evaluar y cuantificar la magnitud relativa del efecto del déficit hídrico, durante el período vegetativo y reproductivo, sobre el crecimiento, supervivencia y producción del grano de ...
