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Revista de Biología Tropical
Scopus
ISSN 0034-7744 · Universidad de Costa Rica · 3.385 artikel di indeks
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Variación en el tamaño de los huevos en garzas (Aves: Ardeidae) que anidan en la ciénaga de Birama, Cuba
Las variaciones intranidada de la talla de los huevos de las aves responden a numerosos factores ecológicos y de la historia evolutiva de las especies. En las zancudas aunque se ha descrito una disminución de la talla con el orden de puesta, los trabajos comparativos entre especies son escasos. En…
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Artikel Jurnal
Anaerobic degradation of anionic surfactants by indigenous microorganisms from sediments of a tropical polluted river in Brazil
Linear alkylbenzene sulfonate (LAS) is widely used in the formulation of domestic and industrial cleaning products, the most synthetic surfactants used worldwide. These products can reach water bodies through the discharge of untreated sewage or non-effective treatments. This study evaluates the…
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Calicinal trichomes of Adenocalymma magnificum (Bignoniaceae) producing lipophilic substances: ultrastructural and functional aspects
Plant structures that secrete lipids and phenolic compounds are often associated with the protection and development of organs against desiccation, in addition to the protection they provide against animals, as the capitate trichomes of Adenocalymma magnificum. Understanding the glandular…
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The effect of spirulina (Arthrospira platensis) (Oscillatoriales: Cyanobacteria) on the experimental breeding of Pseudosuccinea columella (Basommatophora: Lymnaeidae)
Snails of the family Lymnaeidae, as Pseudosuccinea columella, are the intermediate hosts of Fasciola hepatica, the causative agent of fasciolosis in human and livestock all over the world. A thorough knowledge of snail biology is essential for describing the transmission dynamics and for…
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Abundance, diversity and community characterization of aquatic Coleóptera in a rice field of Northeastern Argentina
Rice fields occupy large areas in Northeastern Argentina, and in Corrientes this widespead activity has become a feature in the landscape, as it is one of the main producing provinces. The aquatic Coleoptera is part of the fauna inhabiting these artificial environments but little is known about…
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Effect of temperature on the expression of IFN-1 (α), STAT-1 and Mx-1 genes in Oncorhynchus mykiss (Salmoniformes: Salmonidae) exposed with the virus of the infectious pancreatic necrosis (IPNV)
The infectious pancreatic necrosis (IPNV) is the causative agent of an acute illness well characterized in salmonids worldwide. Clinical signs and mortality rates are dependent on several factors such as the viral dose, the age of the fish, the water temperature, among others. An experimental study…
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Toxicity induced by dieldrin and chlorpyrifos in the freshwater crayfish Cambarellus montezumae (Cambaridae)
The toxicity induced by insecticides in aquatic organisms is of utmost relevance because it may give a clue about the degree of health or damage of the involved ecosystem. In the present report, we determined the effect of dieldrin (DD) and chlorpyrifos (CP) on the freshwater crayfish, Cambarellus…
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Distribución espacial y temporal de larvas de Trichoptera (Insecta) en el río Manzanares, Sierra Nevada de Santa Marta (Colombia)
Los insectos acuáticos son importantes como indicadores de calidad de aguas en ríos y arroyos. Uno de los grupos más abundantes son los Thichoptera, ellos juegan un papel importante por su papel funcional en los sistemas acuáticos. Por eso conocer su diversidad es prioritario. El objetivo de este…
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Artikel Jurnal
Early development in the mouth-brooding cichlid fish Satanoperca pappaterra (Perciformes: Cichlidae)
The Neotropical region exhibits the largest diversity of fish worldwide; however, little is known about the early development of fish species from this region. Therefore, to contribute to this knowledge, this study aimed to morphologically describe the early stages of development (eggs, larvae and…
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Artikel Jurnal
Population structure of the red mangrove crab, Goniopsis cruentata (Decapoda: Grapsidae) under different fishery impacts: Implications for resource management
The red mangrove crab, Goniopsis cruentata, influences the recruitment and composition of plant species in the mangrove ecosystem and it is an important fishery resource. Nevertheless, no current management and conservation plans are available for this species for the Brazilian coast. This…
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Aceites volátiles de hojas y frutos de Pimenta guatemalensis (Myrtaceae) de Costa Rica
Pimenta es un género de plantas perteneciente a la familia Myrtaceae que contiene cerca de 15 especies, la mayoría ubicadas en las regiones del Caribe del Continente Americano, donde es utilizado con propósitos culinarios y medicinales. Las especies comerciales mejor conocidas son “pimienta de…
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Artikel Jurnal
Nest site selection by individual leatherback turtles (Dermochelys coriacea, Testudines: Dermochelyidae) in Tortuguero, Caribbean coast of Costa Rica
Nest site selection for individual leatherback sea turtles, Dermochelys coriacea, is a matter of dispute. Some authors suggest that a female will tend to randomly scatter her nests to optimize clutch survival at a highly dynamic beach, while others suggest that some site fidelity exists. It is also…
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Larval structure of Passalus gravelyiand sexual dimorphism in Passalid larvae
The adults and larvae of Passalidae are subsocial insects commonly found in tropical forests, living in decaying wood gallery systems constructed by adults. Currently, few repots on the larvae of Neotropical Passalidae have been published and information is scarce. In this study, the Passalus…
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Inversión reproductiva de Aratus pisonii (Decapoda: Sesarmidae): diferencias entre hábitats y análisis de rutas
Aratus pisonii es un cangrejo abundante de los manglares del Neotrópico, que forrajea sobre el tejido foliar fresco del dosel y vive en una amplia variedad de hábitats. Presenta una gran plasticidad en algunos aspectos de su historia de vida, convirtiéndose en un excelente sujeto para estudios…
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Ecology and management of the invasive lionfish Pterois volitans/miles complex (Perciformes: Scorpaenidae) in Southern Costa Rica
Invasive species alter ecosystem integrity and functioning and are considered one of the major threats to biodiversity on a global scale. The indopacific lionfish (Pterois volitans [Linnaeus, 1758] / miles [Bennet, 1882] complex) is the first non-native marine fish that has established itself in…
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Artikel Jurnal
Anti-Toxoplasma activities of methanolic extract of Sambucus nigra (Caprifoliaceae) fruits and leaves
Toxoplasma gondii is an obligatory intracellular parasite that infects a wide range of warm-blooded animals and humans. Considering the severity of toxoplasmosis, side effects of current treatments, and the contribution of the ethnopharmacological knowledge for the treatment of parasitic…
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Artikel Jurnal
Fluctuating asymmetry in Apis mellifera(Hymenoptera: Apidae) as bioindicator of anthropogenic environments
The successful distribution of A. melliferais due to their ability to adjust to seasonal variations, considerable control over their internal physical environment and exploration of different resources. However, their populations have experienced different forms and levels of environmental…
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