Results 101 to 110 of about 2,009 (208)

Proliferaciones algales de la diatomea toxigénica Pseudo-Nitzschia (Bacillariophyceae) en el Golfo de Nicoya, Costa Rica

open access: yesRevista de Biología Tropical, 2004
En el mes de noviembre de 2001, se aisló de una marea roja cerca de la Isla San Lucas, las diatomeas Pseudo-Nitzschia pungens f. pungens seguida por Skeletonema costatum, Chaetoceros lorenzianus y en menor concentración Thalassiosira spp.
Maribelle Vargas-Montero, Enrique Freer
doaj  

Composition and abundance of ichthyoplankton in a Gulf of Nicoya mangrove estuary

open access: yes, 2016
Se realizó muestreos mensuales de ictioplancton, en la superficie de tres sitios del Estero Punta Morales, Golfo de Nicoya, Costa Rica, de febrero a setiembre de 1985. Se recolectó alrededor de 51,000 huevos y 12,000 larvas de peces, principalmente de las familias Engraulidae, Gobiidae, Clupeidae, Sciaenidae, y Haemulidae, cuyas formas juveniles y ...
Ramírez C, Ana R   +2 more
openaire   +1 more source

Marine biodiversity of Costa Rica: Class Polychaeta (Annelida)

open access: yesRevista de Biología Tropical, 2004
Three hundred and thirty two species of polychaetes belonging to 50 families are reported for Costa Rica based on previously published reports. In a few families, available material was re-examined and appropriate changes in species identifications were ...
Harlan K Dean
doaj  

Notes on Occurrence of Young and Spawning of Scomberomorus sierra in the Eastern Pacific Ocean [PDF]

open access: yes, 1966
Young of Scomberomorus sierra are briefly described and compared with young of other scombroids and some other related families. At sizes of 30-50 mm of total length young S. sierra can be distinguished from S.
Klawe, W.L.
core  

Efecto de la manipulación sobre la conservación de frescura y composición química de la corvina picuda (cynoscion phoxocephalus) (Gilbert & Jordan, 1882), capturada artesanalmente en el golfo de Nicoya, Costa Rica/ Effect of the manipulation respecting to the conservation of freshness and chemical composition of the corvina picuda (cynoscion phoxocephalus) (Gilbert & Jordan, 1882) in the artisanal captured in the gulf of Nicoya, Costa Rica

open access: yesRevista de Investigaciones Marinas, 2017
La principal preocupación que deben tener los comerciantes de alimentos, entre ellos los pescadores es la distribución de sus productos en condiciones que permitan su consumo sin que ello suponga un riesgo para la salud del consumidor, es decir, todo ...
Fabián Chavarría Solera   +3 more
doaj  

Aalenian to Cenomanian Radiolaria of the Bermeja Complex (Puerto Rico) and Pacific origin of radiolarites on the Caribbean Plate [PDF]

open access: yes, 2018
The study of the radiolarian ribbon chert is a key in determining the origins of associated Mesozoic oceanic terranes and may help to achieve a general agreement regarding the basic principles on the evolution of the Caribbean Plate.
Bandini, Alexandre   +6 more
core  

Spawning pattern and larval recruitment in Gulf of Nicoya anchovies (Pisces: Engraulidae)

open access: yes, 2016
Monthly plankton collections (February to September, 1985) were made at three stations in and adjacent to the Punta Morales estuary, Gulf of Nicoya, to ascertain the importance of this mangrove system as a spawning and larval nursery ground for anchovies.
Ramírez C., Ana R.   +2 more
openaire   +2 more sources

On Mellitella stokesii and Amphipholis geminata (Echinodermata), from an intertidal flat in the upper Gulf of Nicoya estuary, Pacific, Costa Rica

open access: yesRevista de Biología Tropical, 2011
Information on changes over time in the biodiversity and ecology of tropical systems is of increasing importance against the background of local, regional, and global dynamics.
José A Vargas, Sylvia Solano
doaj   +2 more sources

Ancient DNA Studies in Pre-Columbian Mesoamerica. [PDF]

open access: yesGenes (Basel), 2020
Roca-Rada X   +3 more
europepmc   +1 more source

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