Results: 22

Bioactividad e identificación de los ácidos grasos de la esponja marina Tetilla rodriguesi (Tetractinellida: Tetillidae) en el Caribe colombiano

Rev. biol. trop; 70 (1), 2022
Resumen Introducción: Durante millones de años, los organismos marinos han venido desarrollando estrategias para adaptarse a los cambios ambientales y con esto, sintetizando una gran variedad de metabolitos secundarios con actividades biológicas. Objetivo: Evaluar las actividades antimicrobiana y anti...

Posibilidades de promoción social para los pescadores costeros de Playas del Coco, Guanacaste, Costa Rica, utilizando el Turismo Marino Sostenible

Rev. biol. trop; 69 (supl. 2), 2021
Introducción: Los pescadores en Playas del Coco, Guanacaste, Costa Rica, son vulnerables por el mal manejo y gestión de los recursos pesqueros y la pesca ilegal, excluyéndose de los beneficios otorgados por el Estado. Esto incide en que no cuenten con opciones que les permita crecer tanto a nivel econ...

Comportamiento diurno de cetáceos en el Área de Conservación Guanacaste, Costa Rica

Rev. biol. trop; 69 (supl. 2), 2021
Introducción: Tres especies de cetáceos, el delfín manchado pantropical (Stenella attenuata attenuata), el delfín nariz de botella (Tursiops truncatus) y la ballena jorobada (Megaptera novaeangliae) son un componente importante de la fauna marina del Área de Conservación Guanacaste. Sin embargo, la...

Riqueza y abundancia de peces arrecifales en el Caribe de Guatemala utilizando Estaciones Remotas de Video Subacuático con Carnada

Cienc. tecnol. salud; 5 (2), 2018
El mar Caribe de Guatemala forma parte del Sistema Arrecifal Mesoamericano (SAM), el cual alberga una alta diversidad de especies marinas. Dichas poblaciones son importantes para el bienestar de las comunidades humanas que habitan en la zona marino-costera de los países que conforman el SAM, y que depen...

Ecology and biotechnological potential of bacterial community from three marine sponges of the coast of Rio de Janeiro, Brazil

An. acad. bras. ciênc; 89 (4), 2017
ABSTRACT Marine sponges has been a large reservoir of microbial diversity, with the presence of many species specific populations as well as producing biologically active compounds, which has attracted great biotechnological interest. In order to verify the influence of the environment in the composition...

Abundance of the reef-building Petaloconchus varians (Gastropoda: Vermetidae) on intertidal rocky shores at Ilha Grande Bay, southeastern Brazil

An. acad. bras. ciênc; 89 (2), 2017
ABSTRACT The reef-building vermetid Petaloconchus varians occurs in the western Atlantic Ocean, from the Caribbean Sea to the southern coast of Brazil. The present study evaluated the abundance of P. varians on intertidal rocky shores in Ilha Grande Bay (Rio de Janeiro State), and characterized their ree...

Crustacean communities in coastal ephemeral pools in the Araucanía region (38° S, Chile)

Braz. j. biol; 76 (4), 2016
Abstract The fauna communities of ephemeral pools in southern Chile are characterized by heterogeneity of crustacean taxa; nevertheless, no detailed studies exist of their community structure. The aim of the present study was to analyze the crustacean community structure in two groups of ephemeral pools ...

Natural antifouling compound production by microbes associated with marine macroorganisms: A review

Electron. j. biotechnol; 19 (3), 2016
In the marine environment, all hard surfaces including marine macroorganims are colonized by microorganisms mainly from the surrounding environment. The microorganisms associated with marine macroorganisms offer tremendous potential for exploitation of bioactive metabolites. Biofouling is a continuous pr...

Nueva especie del género Urobatis (Myliobatiformes: Urotrygonidae) del Pacífico oriental tropical

Rev. biol. trop; 63 (2), 2015
A new species of round stingray, Urobatis pardalis sp. nov., is described from material collected in the Pacific coast of Costa Rica. This new species differs from its congeners by the color pattern of the dorsal surface and by several proportional measurements. A key to all species of the genus is provi...

O mar no museu: um olhar sobre a educação nos aquários

A musealização do mar, hoje capitaneada por aquários e oceanários, envolveu a relação do homem com esses ambientes, assim como técnicas que permitiram sua exploração e a manutenção de organismos em cativeiro. Reconhecendo o papel de pesquisa e entretenimento que os aquários possuem, são anal...