Browsing by Title
Now showing items 2668-2687 of 2799
-
Soil Respiration of a Novel Subtropical Moist Forest: From Diel to Seasonal Patterns
Soil respiration is the largest natural flux of carbon dioxide (CO2) to the atmosphere, often accounting for as much as 50 percent of global gross productivity. As tropical and subtropical forests sustain the highest ... -
Soil studies in Lajas Valley
(2010-05-05) -
Soil studies in the projected Coamo irrigation area
(2010-06-04) -
Somatosensory deficiencies affect postural stability in asymptomatic in persons with HIV
(Physical Therapy Program, Department of Graduate Programs, Medical Sciences Campus University of Puerto Rico, 2015-06)Las personas con VIH pueden presentar problemas en sistema vestibular que afecta su estabilidad postural. Hay poca investigación sobre la contribución de los sistemas visuales y somatosensorial en matener este balance. -
"Sostenibilidad Ambiental”: 8vo principio cooperativo
(El Amauta, 2012-01) -
Soybean trials in Puerto Rico
(2010-05-05) -
Spatial analysis of foraging activity of the Polygynous Red Imported Fire Ant Solenopsis invicta (Hymenoptera: Formicidae).
(External Scientific Advisory Committe (ESAC), 2009-11)Densities of polygyne Solenopsis invicta are higher in the introduced range than the monogyne social form and this might be because the lack of intraspecific aggression, but the mechanisms of how polygyne colonies persist ... -
Spatial and temporal patterns in reef sediment accumulation and composition, southwestern insular shelf of Puerto Rico
(Caribbean Journal of Science, Vol. 45, No. 2-3, 138-150, 2009, 2009)Effects of terrigenous sedimentation are considered a serious threat to Puerto Rico’s coral reefs. This study assesses: 1) the composition of sediments accumulating at reef sites on the southwestern shelf of Puerto Rico; ... -
Spatial and temporal patterns of water quality indicators in reef systems of southwestern Puerto Rico
(Caribbean Journal of Science, Vol. 45, No. 2-3, 168-180, 2009, 2009)Baseline information on the water quality status of coral reefs and associated habitats of La Parguera, southwestern PR, is presented. Measurements of temperature, salinity, chlorophyll a , turbidity, fluorescence of ... -
Spatial and temporal variability in juvenile coral densities, survivorship and recruitment in La Parguera, southwestern Puerto Rico
(Caribbean Journal of Science, Vol. 45, No. 2-3, 269-281, 2009, 2009)Juvenile coral survivorship (the proportion of juvenile colonies surviving from t 1 to t 2 ) was assessed by counting, photographing and mapping all juveniles found in 2003 within random permanent 0.25m 2 quadrats at four ... -
Spatial Distribution and Performance of Native and Invasive Ardisia (Myrsinaceae) Species in Puerto Rico: The anatomy of an invasion
(External Scientific Advisory Committe (ESAC), 2009-11)Establishing and spread of invasive species into new habitat is considered the second most significant threat to biodiversity worldwide, this is in part due to displacement and extinction of native species. However, the ... -
Spatial Dynamics and Drivers of Land Use and Land Cover Change in Colombia: Implications for Biodiversity Conservation
This dissertation focuses on understanding different aspects of land use and land cover change in Colombia from 2001 to 2010 and the implications for biodiversity conservation. Land use and land cover dynamics during the ... -
Spectral Graph Algorithms: Applications in Neural Images and Social Networks
Algorithms based on spectral graph theory have brought up powerful advances in the analysis of complex networks. We present spectral algorithms for data mining and image segmentation. The core of the algorithms is a recently ... -
Star coral (Montastraea annularisspp. complex) population collapse: An unequivocal sign of climate change impacts in Caribbean coral reefs Raisa
(External Scientific Advisory Committe (ESAC), 2009-11)A catastrophic warming event occurred during 2005 throughout the northeastern Caribbean Sea that caused a mass coral bleaching event in Puerto Rico the was followed by an unprecedented mass mortality of the Montastraea ... -
States of Mutation: Re-configurations of modern State, business and media
(Revista Civitas, 2009)This article sets out an analysis of the transformations and new configurations between the state, business and media in Puerto Rico. The traditional demarcations between these three spheres are in flux as are their ... -
Status of viruses causing symptoms in cucurbits in Puerto Rico
(External Scientific Advisory Committe (ESAC), 2009-11)Cucurbits provide important basic ingredients for the Caribbean diet. Pumpkins are the second most important vegetable crop in terms of revenue generated in Puerto Rico. Virus and severe virus vector outbreaks are a frequent ... -
Strengthening Educational Capacities in Geospatial Science and Technology for Agricultural and Natural Resources Management
(External Scientific Advisory Committe (ESAC), 2009-11) -
Structural Control on Cave Development in Cretaceous Limestone, Southern Puerto Rico
(Caribbean Journal of Science, Vol. 40, No. 2, 276–280, 2004, 2004-08)Surveys of Sistema Los Chorros (815m length) and Sistema Vientos (600 m) represent the first cave maps from southern Puerto Rico published in the last quarter century. These are the largest caves known in that area. They ...