Now showing items 21-40 of 40

    • Interannual variability of the midsummer drought in Central America and the connection with sea surface temperatures 

      Maldonado Mora, Tito José; Rutgersson, Anna; Alfaro Martínez, Eric J.; Amador Astúa, Jorge Alberto; Claremar, Björn (2016)
      The midsummer drought (MSD) in Central America is characterised in order to create annual indexes representing the timing of its phases (start, minimum and end), and other features relevant for MSD forecasting such as the ...
    • Intra- and inter-annual variation in a seagrass meadow on the Caribbean coast of Costa Rica: 2009-2015 

      Loría Naranjo, Margarita; Samper Villarreal, Jimena; Sandoval Siles, Marylaura; Cortés Núñez, Jorge (2018)
      Seagrass beds are an important ecosystem on the Caribbean coast of Costa Rica. At Cahuita National Park (CNP) a seagrass bed at Perezoso has been monitored continually since 1999 within the CARICOMP program. Thalassia ...
    • Macrofauna bentónica de las playas de arena del Área de Conservación Osa, Puntarenas, Pacífico Sur de Costa Rica 

      Corrales Ugalde, Marco; Sibaja Cordero, Jeffrey Alejandro (2015)
      Se describe la diversidad y composición de especies las playas de arena del Pacífico Sur de Costa Rica. En las playas de arena de la región, se colectó individuos de la infauna por medio de barrenos. Para la zona de entre ...
    • Marine biodiversity baseline for Área de Conservación Guanacaste, Costa Rica: published records 

      Cortés Núñez, Jorge (2017)
      The diversity of tropical marine organisms has not been studied as intensively as the terrestrial biota worldwide. Additionally, marine biodiversity research in the tropics lags behind other regions. The 43,000 ha Sector ...
    • Marine Biodiversity in the Caribbean: Regional Estimates and Distribution Patterns 

      Miloslavich de Klein, Patricia; Díaz Merlano, Juan Manuel; Klein Salas, Eduardo; Alvarado Barrientos, Juan José; Díaz, Cristina; Gobin, Judith F.; Escobar Briones, Elva; Cruz Motta, Juan José; Weil, Ernesto; Cortés Núñez, Jorge; Bastidas, Carolina; Robertson, Ross; Zapata, Fernando A.; Martín Zazo, Alberto; Castillo, Julio; Kazandjian, Aniuska; Ortíz, Manuel (2010)
      This paper provides an analysis of the distribution patterns of marine biodiversity and summarizes the major activities of the Census of Marine Life program in the Caribbean region. The coastal Caribbean region is a large ...
    • Un método para evaluar el enriquecimiento de metales en sedimentos marinos en Costa Rica 

      Lizano Rodríguez, Omar G.; Alfaro Martínez, Eric J.; Salazar Matarrita, Alfonso (Revista Biología Tropical 60 (2): 197-211, 2012-04-01)
      A method to evaluate metal enrichment in marine sediments. In order to evaluate metal enrichment in sediments , a method is proposed and tested in Bahia Culebra and the Golfo de Nicoya, Costa Rica through the normalization ...
    • Natural ocean acidification at Papagayo upwelling system (north Pacific Costa Rica): implications for reef development 

      Sánchez Noguera, Celeste; Stuhldreier, Ines; Cortés Núñez, Jorge; Jiménez Centeno, Carlos; Morales Ramírez, Álvaro; Wild, Christian; Rixen, Tim (2018)
      Numerous experiments have shown that ocean acidification impedes coral calcification, but knowledge about in situ reef ecosystem response to ocean acidification is still scarce. Bahía Culebra, situated at the northern ...
    • NC10 bacteria in marine oxygen minimum zones 

      Padilla, Cory Cruz; Bristow, Laura Anne; Sarode, Neha; Garcia Robledo, Emilio; Gómez Ramírez, Eddy; Benson, Catherine R.; Bourbonnais, Annie; Altabet, Mark A.; Girguis, Peter R.; Thamdrup, Bo; Stewart, Frank J. (2016-08-10)
      Bacteria of the NC10 phylum link anaerobic methane oxidation to nitrite denitrification through a unique O2-producing intra-aerobic methanotrophy pathway. A niche for NC10 in the pelagic ocean has not been confirmed. We ...
    • Nueva especie del género Urobatis (Myliobatiformes: Urotrygonidae) del Pacífico oriental tropical 

      Del Moral Flores, Luis Fernando; Angulo Sibaja, Arturo; López Sánchez, Myrna I.; Bussing Burhaus, William Albert (2015-06)
      Una nueva especie de raya redonda con espina, Urobatis pardalis sp. nov., es descrita a partir de material recolectado en las costas del Pacífico de Costa Rica. Esta nueva especie difiere de sus congéneres por el patrón ...
    • Occurrence of the tripodfish Bathypterois ventralis (Aulopiformes: Ipnopidae) in the Pacific coast of Costa Rica 

      Angulo Sibaja, Arturo; Bussing Burhaus, William Albert; López Sánchez, Myrna I. (2015-05)
      Between 1990 and 1992, 2 adult specimens of the ventrad spiderfish, Bathypterois ventralis Garman 1899, were collected at depths between 637 and 880 m off the Pacific coast of Costa Rica. These specimens constitute the ...
    • One year weekly dynamics of limnological conditions and phytoplankton in Lake Bonilla, Costa Rica 

      Umaña Villalobos, Gerardo (2016)
      The detailed response of tropical lake phytoplankton to weather variations has been little studied, but it seems that composition varies in response to rain and wind variability over the course of the year. In order to ...
    • Polychaetes associated with decaying wood in Térraba mangrove, South Pacific, Costa Rica 

      Sibaja Cordero, Jeffrey Alejandro; Echeverría Sáenz, Silvia (2015)
      The present study shows spatial patterns in the faunal assemblage of decaying wood and sediments, with emphasis on the polychaetes. The survey was executed across a salinity gradient in a tropical mangrove estuary of Costa ...
    • Productividad primaria en el Humedal Nacional Térraba-Sierpe, Costa Rica 

      Umaña Villalobos, Gerardo; Acuña González, Jenaro; García Céspedes, Jairo; Agüero Alfaro, Grettel; Zúñiga Peña, Juan Carlos; Gómez Ramírez, Eddy; Picado Barboza, Jorge Enrique (2015)
      Se determinó la productividad primaria (PP) del fitoplancton en un amplio sector del Humedal Nacional Térraba Sierpe (HNTS) de Costa Rica, durante la estación lluviosa del año 2008 y en la estación seca del año 2009. Seis ...
    • Rapid bioerosion in a tropical upwelling coral reef 

      Wizemann, André; Nandini, Sri D.; Stuhldreier, Ines; Sánchez Noguera, Celeste; Wisshak, Max; Westphal, Hildegard; Rixen, Tim; Wild, Christian; Reymond, Claire E. (2018)
      Coral reefs persist in an accretion-erosion balance, which is critical for understanding the natural variability of sediment production, reef accretion, and their effects on the carbonate budget. Bioerosion (i.e. biodegradation ...
    • Reef flattening effects on total richness and species responses in the Caribbean 

      Newman, Steven P.; Meesters, Erik H.; Dryden, Charlie S.; Williams, Stacey M.; Sánchez, Cristina; Mumby, Peter J.; Polunin, Nicholas V. C. (2015-09-06)
      1. There has been ongoing flattening of Caribbean coral reefs with the loss of habitat having severe implications for these systems. Complexity and its structural components are important to fish species richness and ...
    • Seasonal changes of the microplankton community along a tropical estuary 

      Seguro Requejo, Isabel; García Jiménez, Carlos Manuel; Papaspyrou, Sokratis; Gálvez Lorente, José Ángel; García Robledo, Emilio Guillermo; Navarro Almendros, Gabriel; Soria Píriz, Sara; Aguilar, Virgina; Lizano Rodríguez, Omar G.; Morales Ramírez, Álvaro; Corzo Rodríguez, Alfonso (2015-11)
      Microplankton organisms are an important link in the transfer of matter and energy between the benthic–pelagic microbial food web and higher trophic levels in estuaries. Although tropical estuaries are among the most ...
    • Systematics and biogeography of Pleurobranchus Cuvier, 1804, sea slugs (Heterobranchia: Nudipleura: Pleurobranchidae) 

      Goodheart, Jessica A.; Camacho García, Yolanda E.; Padula, Vinicius; Schrödl, Michael; Cervera Currado, Juan Lucas; Gosliner, Terrence M.; Valdés-Gallego, Ángel (2015)
      Species of Pleurobranchus (Mollusca: Gastropoda: Heterobranchia: Nudipleura: Pleurobranchidae) are commonly found worldwide, but there is a substantial amount of confusion regarding the ranges and identification of individual ...
    • Upwelling Increases Net Primary Production of Corals and Reef-Wide Gross Primary Production Along the Pacific Coast of Costa Rica 

      Stuhldreier, Ines; Sánchez Noguera, Celeste; Roth, Florian; Cortés Núñez, Jorge; Rixen, Tim; Wild, Christian (2015-12-23)
      Photosynthetic production is a key ecosystem service provided by tropical coral reefs, but knowledge about the contribution of corals and other reef-associated organisms and the controlling environmental factors is scarce. ...
    • Variability of the Caribbean low-level jet during borealwinter: large-scale forcings 

      Maldonado Mora, Tito José; Rutgersson, Anna; Amador Astúa, Jorge Alberto; Alfaro Martínez, Eric J.; Claremar, Björn (2016)
      An index capturing the anomalies of the zonal wind at 925 hPa from 1950 to 2010 was defined to explore the relationship between the fluctuations of the Caribbean low-level jet (CLLJ) and the main climate variability modes ...
    • Widespread local chronic stressors in Caribbean coastal habitats 

      Chollett, Iliana; Collin, Rachel; Bastidas, Carolina; Cróquer, Aldo; Gayle, Peter M. H.; Jordán Dahlgren, Eric; Patterson, Heather M.; Koltes, Karen H.; Oxenford, Hazel A.; Rodríguez Ramírez, Alberto; Weil, Ernesto; Alemu I., Jahson B.; Bone, David; Buchan, Kenneth C.; Creary Ford, Marcia; Escalante Mancera, Edgar; Garzón Ferreira, Jaime; Guzmán Espinal, Héctor M.; Kjerfve, Björn; Klein Salas, Eduardo; McCoy, Croy; Potts, Arthur C.; Ruíz Rentería, Francisco; Smith, Struan R.; Tschirky, John J.; Cortés Núñez, Jorge (2017)
      Coastal ecosystems and the livelihoods they support are threatened by stressors acting at global and local scales. Here we used the data produced by the Caribbean Coastal Marine Productivity program (CARICOMP), the longest, ...