Results 41 to 50 of about 2,009 (208)

Alike but genetically divergent: The resurrection of Urotrygon asterias (Jordan & Gilbert, 1883) from its closest relatives, the Munda and the Blotched stingray

Journal of Fish Biology, Volume 105, Issue 4, Page 1044-1059, October 2024.
Abstract The genus Urotrygon comprises small‐ to medium‐sized endemic round rays on the American continent and has undergone several synonymization processes. Here, we used an integrative taxonomic approach, including meristic, morphometric, and mtDNA analyses, to resolve the particularly intricate relationship among Urotrygon munda Gill, 1863 ...
Nicolás Roberto Ehemann, Sebastían Hernández, Raquel Siccha‐Ramírez, Francisco Javier García‐Rodríguez, José De La Cruz‐Agüero   +4 more
wiley   +1 more source

Un modelo biogeoquímico para el Golfo de Nicoya, Costa Rica

Revista de Biología Tropical, 2007
De acuerdo con el "modelo de dos cajas de Broecker y Peng", se desarrolló un modelo de balance biogeoquímico del Golfo de Nicoya, considerando dos reservorios de nutrientes: aguas superficiales y aguas profundas.
Farid A Tabash Blanco
doaj  

The Importance of Values in Predicting and Encouraging Environmental Behavior: Reflections From a Costa Rican Small-Scale Fishery

Frontiers in Marine Science, 2021
Encouraging people’s pro-environmental behaviors is an objective of Education for Sustainable Development. In the context of small-scale fisheries, unsustainable fishing practices are compromising the integrity of coastal communities and ecosystems ...
Astrid Sánchez-Jiménez, Astrid Sánchez-Jiménez, Astrid Sánchez-Jiménez, Douglas MacMillan, Matthias Wolff, Achim Schlüter, Marie Fujitani, Marie Fujitani   +7 more
doaj   +1 more source

Gillraker analysis and speciation in the thread herring genus Opisthonema [PDF]

, 1963
ENGLISH: The thread herrings, genus Opisthonema, family Clupeidae, are marine fishes that occur only in tropical and subtropical waters off both coasts of the American continent.
Barrett, Izadore, Berry, Frederick H.
core  

Submarine slope failures along the convergent continental margin of the Middle America Trench [PDF]

, 2011
We present the first comprehensive study of mass wasting processes in the continental slope of a convergent margin of a subduction zone where tectonic processes are dominated by subduction erosion.
Ambraseys, Aubouin, Aubouin, Baltuck, Caress, César R. Ranero, DeMets, Fine, Flemings, Hampton, Harders, Helm, Hensen, Hühnerbach, Jan H. Behrmann, Johnson, Kimura, Kukowski, Kutterolf, Locat, McAdoo, McIntosh, Mienert, Mulder, Orange, Pecher, Ranero, Ranero, Ranero, Ranero, Ratzov, Rieka Harders, Sahling, Sawyer, Sultan, Tappin, Vannucchi, Vannucchi, von Huene, von Huene, von Huene, von Huene, von Huene, von Huene, von Huene, Werner, Wessel, Wilhelm Weinrebe, Wilson   +48 more
core   +2 more sources

Algunas características de las corrientes marinas en el Golfo de Nicoya, Costa Rica

Revista de Biología Tropical, 2004
Se estudia la estructura espacial y vertical de las corrientes en el Golfo de Nicoya y su relación con los ciclos de marea usando correntímetros. Se encuentra que en el interior del golfo, la variación vertical de las corrientes marinas aumenta conforme ...
Omar G Lizano, Eric J Alfaro
doaj  

CoopeTárcoles, Costa Rica. Equator Initiative Case Study Series [PDF]

, 2012
The artisanal fishers of the community of Tárcoles, located in the Gulf of Nicoya on the Pacific coast of North America (Central America)-Costa Rica; faced declining fish stocks due to a combination of overharvesting by commercial shrimp boats and ...
Dearbhla Keegan, Erin Lewis, Joseph Corcoran, Matthew Konsa, Oliver Hughes, Whitney Wilding   +5 more
core  

Extended fault inversion with random slipmaps: a resolution test for the 2012 Mw 7.6 Nicoya, Costa Rica earthquake [PDF]

, 2015
Inversions for the full slip distribution of earthquakes provide detailed models of earthquake sources, but stability and non-uniqueness of the inversions is a major concern.
Ferreira, AMG, López-Comino, JÁ, Morales, J, Stich, D   +3 more
core   +1 more source

Do responsible fishing areas work? Comparing collective action challenges in three small-scale fisheries in Costa Rica

International Journal of the Commons, 2019
Costa Rica is supporting Marine Areas of Responsible Fishing (AMPRs) to enable small-scale fishing communities to apply for exclusive harvesting and management rights within spatially delimited areas under a co-management policy framework.
Isis Ivania Chavez Carrillo, Stefan Partelow, Roger Madrigal-Ballestero, Achim Schlüter, Isabel Gutierrez-Montes   +4 more
doaj   +1 more source

Influence of the Azores high on sea level pressure and wind, and on precipitation, in the Eastern Tropical Pacific Ocean [PDF]

, 1966
ENGLISH: Intensification of the Azores high pressure cell in mid-year, with concomitant air flow from the Caribbean into the Pacific, is shown to be responsible for a secondary minimum of precipitation observed along the tropical Pacific coast of the ...
Bennett, Edward B.
core