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Mostrando ítems 1191-1200 de 2689
Ciclones tropicales y sociedad: Una aproximación al enfoque científico de estos fenómenos atmosféricos como referente para la investigación social en desastres
(2009)
La vulnerabilidad ante los desastres provocados por fenómenos atmosféricos ha llegado a constituir una importante variable de estudio que involucra cada vez más a las ciencias sociales y sus practicantes, en la elaboración ...
Nomenclatural notes in the Pleurothallidinae (Orchidaceae): miscellaneous
(2019-06-25)
Nomenclatural amendments and notes are provided for taxa belonging to diverse genera within subtribe Pleurothallidinae (Orchidaceae) in order to comply with the International Code for algae, fungi, and plants. The proposed ...
A New Species of Gorgonian Octocoral from the Mesophotic Zone off the Central Coast of California, Eastern Pacific with a Key to Related Regional Taxa (Anthozoa, Octocorallia, Alcyonacea)
(2019-05-15)
Recent offshore benthic surveys utilizing Remotely Operated Vehicles in the National Marine Sanctuaries along the California coastline under the auspices of the National Oceanic and Atmospheric Administration and the Ocean ...
Is birdsong music? Evaluating harmonic intervals in songs of a Neotropical songbird
(2012)
Signals in animal communication are commonly judged as aesthetically appealing by human standards.
This is particularly common for birdsong, often equated to musical compositions. No formal test,
however, has analysed ...
Neotectóncia de la Falla Cipreses, Costa Rica
(2019)
La falla Cipreses se localiza en la parte central de Costa Rica, en la zona más poblada del país. En esta investigación se analiza esta falla a partir de aspectos geomorfológicos, geológicos ...
Updated checklist and analysis of completeness of the marine fish fauna of Isla del Coco, Pacific of Costa Rica
(2016)
Isla del Coco, Costa Rica, is one of the five groups of oceanic islands of the Eastern Tropical Pacific (ETP), and is considered one of the most diverse. Since the mid-19th century, it has been the target of a number of ...
Dinámica de las aguas en la parte interna del Golfo de Nicoya ante altas descargas del Río Tempisque
The water dynamics of the upper part of the Gulf of Nicoya were studied under high discharges of the Tempisque river
(1998-06-14)
Se estudió la dinámica de las aguas de la parte interna del Golfo de Nicoya ante grandes descargas de los ríos. Valores de 0 ppm fueron encontrados al norte de la Isla Chira representando los valores mas bajos reportados ...
Habitat fragmentation reduces plant progeny quality: a global synthesis
(2019-05-14)
Most of the world’s land surface is currently under human use and natural habitats remain as
fragmented samples of the original landscapes. Measuring the quality of plant progeny sired in
these pervasive environments ...
Demographic variation across successional stages and their effects on the population dynamics of the neotropical palm Euterpe precatoria
(2014)
• Premise of the study: Environmental heterogeneity is a strong selective force shaping adaptation and population dynamics across temporal and spatial scales. Natural and anthropogenic gradients influence the variation of ...
Echinoderm diversity of a tropical estuary in the largest river basin of the Costa Rican Pacific, Eastern Tropical Pacific
(2017)
Echinoderms within the Eastern Tropical Pacific have mainly been studied in association with coral reefs. Investigations on echinoderms associated with soft-bottoms and estuaries are still scarce. The present study reports ...