Results 41 to 50 of about 509,369 (146)

History of coastal-marine research in Bahía Culebra, North Pacific, Guanacaste, Costa Rica

open access: yes, 2016
Bahía Culebra está ubicada en la costa Pacífica norte de Costa Rica en una región de afloramiento estacional. En este trabajo presento la historia de la investigación marina en Bahía Culebra, para sintetizar lo que se ha hecho y resaltar lo que falta por
Cortés Núñez, Jorge
core   +1 more source

Unusual Drainages of the Americas

open access: yesWater Resources Research, Volume 61, Issue 2, February 2025.
Abstract While most rivers and lakes follow predictable principles of hydrology and geology, a few seem to defy the rules. Some rivers diverge rather than converge; some rivers flow in two directions; some lakes have not one but two outlets; some watersheds have ambiguous boundaries.
Robert B. Sowby, Adam C. Siegel
wiley   +1 more source

[Sighting of Stenella attenuata, the spotted dolphin, in Culebra Bay, Costa Rica, 1999-2000].

open access: yesRevista de biologia tropical, 2007
Parallel to a zooplankton study (1999-2000) observations were made (from an inflatable boat), on the presence of dolphins along a transect (-8 km long) on the axis of Culebra Bay (24 km2), Gulf of Papagayo, Pacific coast of Costa Rica. Dolphins were found during 20 of the 31 boat surveys conducted.
Karina, Rodríguez Sáenz   +1 more
openaire   +1 more source

Photograph of Culebra, 7bre 1897

open access: yes, 1897
Photograph of Culebra with caption in French, ''Culebra 7 (?) 1897.'' There is a note on the back that reads ''La Culebra.''''Culebra 7bre 1897''Archival master image scanned in reflective mode as 48-bit RGB color TIFF using Epson 11000XL. Display image

core   +1 more source

Reconstruction of Diadema mexicanum bioerosion impact on three Costa Rican Pacific coral reefs

open access: yesRevista de Biología Tropical, 2012
The 1982-83 El Niño event produced a high coral mortality (50-90%) in several localities in the Eastern Tropical Pacific, which resulted in an outbreak of the sea urchin populations of Diadema mexicanum A.
Juan José Alvarado   +2 more
doaj   +2 more sources

Composición y distribución del mesozooplancton en una zona de afloramiento costero (Bahía Culebra, Costa Rica) durante La Niña 1999 y el 2000

open access: yesRevista de Biología Tropical, 2012
Se estudian los patrones anuales de la composición, abundancia y distribución espacial-temporal de mesozooplancton en la zona de afloramiento de Bahía Culebra, en la costa norte del Pacífico de Costa Rica.
Karina Rodríguez-Sáenz   +1 more
doaj  

[Medusae (Cnidaria: Hydrozoa) from a coastal upwelling zone, Culebra Bay, Pacific, Costa Rica].

open access: yesRevista de biologia tropical, 2013
The hydromedusae have an important role in marine trophic webs due to their predatory feeding habits. This is the first study of this group of gelatinous marine zooplankton in a coastal upwelling area of Central America. The composition and abundance variability of hydromedusae were studied during six months in 1999 at four stations in Culebra Bay ...
Karina, Rodríguez-Sáenz   +2 more
openaire   +1 more source

Histologic, metabolomic, and transcriptomic differences in fir trees from a peri‐urban forest under chronic ozone exposure

open access: yesEcology and Evolution, Volume 14, Issue 5, May 2024.
Urbanization alters ecosystems and evolutionary processes. Processes like air pollution by tropospheric ozone contribute to the decline of urban and peri‐urban ecosystems, such as Abies religiosa forests in the peripheral mountains southwest of Mexico City.
Verónica Reyes‐Galindo   +10 more
wiley   +1 more source

La ocupación humana tardía en los alrededores de la bahía Culebra

open access: yes, 2022
In the last 25 years, numerous archaeological investigations carried out in the surroundings of Culebra Bay, located in the Southern Sector of Greater Nicoya, have achieved a significant amount of 14C dating that have complemented the chronological ...
Solís, Luis F.
core  

Clima y temperatura sub-superficial del mar en Bahía Culebra, Golfo de Papagayo, Costa Rica Climate and subsurface sea temperature in Bahía Culebra, Costa Rica

open access: yesRevista de Biología Tropical, 2012
Bahía Culebra, Golfo de Papagayo, Costa Rica es una región de afloramiento estacional. Para determinar la relación entre el clima y la variabilidad de la temperatura sub-superficial, se analizaron los registros de la temperatura sub-superficial del mar ...
Eric J. Alfaro   +7 more
doaj  

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