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Active and passive chlorophyll fuorescence measurements at canopy level on potato crops. Evidence of similitude of diurnal cycles of apparent fuorescence yields
(Photosynthesis Research, 2022)
We performed active and passive measurements of diurnal cycles of chlorophyll fuorescence on potato crops at canopy level in outdoors conditions for 26 days. Active measurements of the stationary fuorescence yield (Fs) ...
Water Saving Using Thermal Imagery-Based Thresholds for Timing Irrigation in Potatoes under Drip and Furrow Irrigation Systems
(Agronomy, 2022)
Under the current water crisis in agriculture, irrigation methods for saving and conserving water are necessary. However, these methods must guarantee an appropriate yield with a concomitant economic benefit and a reduced ...
Functional traits and performance of woody species on oil- affected soils of the Ecuadorian Amazon
(Revista de Biologia Tropical, 2023-10)
Tropical forests cover 10 % of the terrestrial surface and account for 50 % of worldwide tree diversity (Mayaux et al., 2005). More than half of tropical forest areas are composed of tropical rainforests, which are ...
Soil resistance and recovery during neotropical forest succession
(The Royal Society Publishing, 2022-01-24)
The recovery of soil conditions is crucial for successful ecosystem restoration and, hence, for achieving the goals of the UN Decade on Ecosystem Restoration. Here, we assess how soils resist forest conversion and agricultural ...
Active in situ and passive airborne fluorescence measurements for water stress detection on a fescue field
(Photosynthesis Research, 2022)
LEDFLEX is a micro-lidar dedicated to the measurement of vegetation fluorescence. The light source consists of 4 blue Light-Emitting Diodes (LED) to illuminate part of the canopy in order to average the spatial variability ...
Impact of agro-forestry systems on the aroma generation of coffee beans
(Frontiers, 2022)
A long experiment has been established since 2000 at CATIE (Tropical Agricultural Research and Higher Education Center), Turrialba, Costa Rica. Twenty agro-forestry systems with different shade types and managements (organic ...
Hydrological Response of Tropical Catchments to Climate Change as Modeled by the GR2M Model: A Case Study in Costa Rica
(Sustainability, 2022-12)
This study aimed to assess the impacts of climate change on streamflow characteristics of five tropical catchments located in Costa Rica. An ensemble of five General Circulation Models (GCMs), namely HadGEM2-ES, CanESM2, ...
Structure, diversity and the conservation value of tropical dry forests in highly fragmented landscapes
(Journal of Plant Ecology, 2022-03-09)
Although tropical dry forests are among the most degraded and fragmented biomes in the world, we still have a poor understanding of their basic ecological features and conservation status, particularly in the Neotropics. ...
Above‑ground biomass models for dominant trees species in cacao agroforestry systems in Talamanca, Costa Rica
(Springer Nature, 2022)
Tree biomass allometric models are essential to estimate biomass, carbon sequestration and nutrient cycling in cacao agroforestry systems and other land uses with woody perennial species. A total of 34 trees of Cordia ...
Sistemas silvopastoriles como prácticas recomendadas para desarrollar medidas de mitigación nacionalmente apropiadas en el marco de las contribuciones nacionalmente determinadas en el sector ganadero de Mesoamérica
(Centro Agronómico Tropical de Investigación y Enseñanza (CATIE), 2021)
Reconoce la problemática de las emisiones del ganado bovino, porcino y pequeños rumiantes, lo cual requiere de diferentes estrategias de mitigación de GEI, y se plantean promover el cambio de una ganadería convencional a ...