Now showing items 21-40 of 851

    • Revisión de los efectos del cambio climático sobre la biodiversidad de los trópicos 

      Barquero Arroyo, Marco David (2016)
      La temperatura ambiental y los patrones de precipitación han sufrido cambios signifi cativos durante las últimas décadas. Estos cambios globales del clima han generado alteraciones en las características biológicas de los ...
    • Geographic variation in aggressive signalling behaviour of the Jacky dragon 

      Barquero Arroyo, Marco David; Peters, Richard; Whiting, Martin J. (2015)
      Signal diversification is often the product of sexual and/or natural selection and may be accompanied by genetic differentiation or simply reflect a plastic response to social and environmental variables.We use an agamid ...
    • A multi-locus molecular phylogeny for Australia’s iconic Jacky Dragon (Agamidae: Amphibolurus muricatus): Phylogeographic structure along the Great Dividing Range of south-eastern Australia 

      Pepper, Mitzy; Barquero Arroyo, Marco David; Whiting, Martin J.; Keogh, J. Scott (2014)
      Jacky dragons (Amphibolurus muricatus) are ubiquitous in south-eastern Australia and were one of the first Australian reptiles to be formally described. Because they are so common, Jacky dragons are widely used as a model ...
    • Recomendaciones para mejorar el manejo de comederos artificiales para colibríes 

      Ávalos Rodríguez, Gerardo (2019)
      El uso de comederos artificiales para alimentar a las aves es una práctica extendida y de uso generalizado principalmente en sitios turísticos, tales como hoteles de montaña, parques naturales, y jardines privados. En el ...
    • Shade tolerance within the context of the successional process in tropical rain forests 

      Ávalos Rodríguez, Gerardo (2019)
      Abstract: Shade tolerance (the capacity to survive and grow over long periods under shade) is a key component of plant fitness and the foundation of current theories of forest succession in tropical rain forests. It serves ...
    • Behavioral changes across novelty habituation: Contextual modulation of self-grooming after a stress event 

      Rojas Carvajal, Mijail; Villalobos Cortés, Katherine; Fornaguera Trías, Jaime; Brenes Sáenz, Juan Carlos (2018-07)
      Grooming is a widespread behavior in the animal kingdom primarily geared towards the care of the body surface; nonetheless, other behavioral functions have been investigated and postulated. For example, rodents display ...
    • Antifungal compounds 

      Van Arnam, Ethan B.; Sit, Clarissa Sau-Wei; Ruzzini, Antonio C.; Clardy, Jon; Currie, Cameron Robert; Pinto Tomás, Adrián A. (2013-06-03)
      Compounds of formula (I) or formula (II), compositions and methods useful for treating and/or preventing a fungal infections are provided. wherein the substituents are as defined in the appended claims.
    • Transformation of humic substances by the freshwater Ascomycete Cladosporium sp. 

      Rojas Jiménez, Keilor Osvaldo; Fonvielle, Jeremy; Ma, Hua; Grossart, Hans-Peter (2017)
      The ecological relevance of fungi in freshwater ecosystems is becoming increasingly evident, particularly in processing the extensive amounts of polymeric organic carbon such as cellulose, chitin, and humic substances (HS). ...
    • A New Parasitic Chytrid, Staurastromyces oculus (Rhizophydiales, Staurastromycetaceae fam. nov.), Infecting the Freshwater Desmid Staurastrum sp. 

      Wyngaert, Silke Van den; Seto, Kensuke; Rojas Jiménez, Keilor Osvaldo; Kagami, Maiko; Grossart, Hans-Peter (2017-08)
      Chytrids are a diverse group of ubiquitous true zoosporic fungi. The recent molecular discovery of a large diversity of undescribed chytrids has raised awareness on their important, but so far understudied ecological role ...
    • Microplastics alter composition of fungal communities in aquatic ecosystems 

      Kettner, Marie Therese; Rojas Jiménez, Keilor Osvaldo; Oberbeckmann, Sonja; Labrenz, Matthias; Grossart, Hans-Peter (2017)
      Despite increasing concerns about microplastic (MP) pollution in aquatic ecosystems, there is insufficient knowledge on how MP affect fungal communities. In this study, we explored the diversity and community composition ...
    • Microplastic pollution increases gene exchange in aquatic ecosystems 

      Arias Andrés, María de Jesús; Klümper, Uli; Rojas Jiménez, Keilor Osvaldo; Grossart, Hans-Peter (2018-06)
      Pollution by microplastics in aquatic ecosystems is accumulating at an unprecedented scale, emerging as a new surface for biofilm formation and gene exchange. In this study, we determined the permissiveness of aquatic ...
    • Aquatic fungi: targeting the forgotten in microbial ecology 

      Grossart, Hans-Peter; Rojas Jiménez, Keilor Osvaldo (2016-06)
      Fungi constitute important and conspicuous components of aquatic microbial communities, but their diversity and functional roles remain poorly characterized. New methods and conceptual frameworks are required to accurately ...
    • A preliminary report of aquatic hyphomycetes isolated from Anzali lagoon (Gilan province, North of Iran) 

      Rezakhani, Forough; Khodaparast, Seyed Akbar; Masigol, Hossein; Rojas Jiménez, Keilor Osvaldo; Grossart, Hans-Peter; Bakhshi, Mounes (2019)
      Aquatic hyphomycetes equipped with a rich array of extracellular enzymes are involved in bioremediation of anthropogenic pollutants, plastics, aromatic contaminants and petroleum hydrocarbons. The current study contributes ...
    • Pilze in aquatischen Ökosystemen 

      Grossart, Hans-Peter; Wyngaert, Silke Van den; Kagami, Maiko; Wurzbacher, Christian; Cunliffe, Michael; Rojas Jiménez, Keilor Osvaldo (2020-06)
      Pilze sind phylogenetisch und funktionell vielfältige, allgegenwärtige Bestandteile fast aller Ökosysteme der Erde, einschließlich aquatischer Ökosysteme, die sich von hochmontanen Seen bis in den tiefen Ozean erstrecken. ...
    • Diversity and hidden host specificity of chytrids infecting colonial volvocacean algae 

      Wyngaert, Silke Van den; Rojas Jiménez, Keilor Osvaldo; Seto, Kensuke; Kagami, Maiko; Grossart, Hans-Peter (2018-05)
      Chytrids are zoosporic fungi that play an important, but yet understudied, ecological role in aquatic ecosystems. Many chytrid species have been morphologically described as parasites on phytoplankton. However, the majority ...
    • Fungi in aquatic ecosystems 

      Grossart, Hans-Peter; Wyngaert, Silke Van den; Kagami, Maiko; Wurzbacher, Christian; Cunliffe, Michael; Rojas Jiménez, Keilor Osvaldo (2019-03)
      Fungi are phylogenetically and functionally diverse ubiquitous components of almost all ecosystems on Earth, including aquatic environments stretching from high montane lakes down to the deep ocean. Aquatic ecosystems, ...
    • Highly diverse fungal communities in carbon-rich aquifers of two contrasting lakes in Northeast Germany 

      Perkins, Anita K.; Ganzert, Lars; Rojas Jiménez, Keilor Osvaldo; Fonvielle, Jeremy; Hose, Grant C.; Grossart, Hans-Peter (2019-10)
      Fungi are an important component of microbial communities and are well known for their ability to decompose refractory, highly polymeric organic matter. In soils and aquatic systems, fungi play an important role in carbon ...
    • Taxonomical and functional diversity of Saprolegniales in Anzali lagoon, Iran 

      Masigol, Hossein; Khodaparast, Seyed Akbar; Mostowfizadeh Ghalamfarsa, Reza; Rojas Jiménez, Keilor Osvaldo; Woodhouse, Jason Nicholas; Neubauer, Darshan; Grossart, Hans-Peter (2020)
      Studies on the diversity, distribution and ecological role of Saprolegniales (Oomycota) in freshwater ecosystems are currently receiving attention due to a greater understanding of their role in carbon cycling in various ...
    • Resistencia a desinfectantes y su relación con la resistencia a los antibióticos 

      Chacón Jiménez, Luz María; Rojas Jiménez, Keilor Osvaldo (2020)
      Objetivo: sistematizar los principales mecanismos de acción de los desinfectantes y describir mecanismos de resistencia comunes entre biocidas y antibióticos. Métodos: se realizó una revisión bibliográfica de artículos ...
    • Microplastic ingestion by a herring Opisthonema sp. in the Pacific coast of Costa Rica 

      Bermúdez Guzmán, Luis; Alpízar Villalobos, Crista; Gatgens García, Johan; Jiménez Huezo, Gabriel; Rodríguez Arias, Marco; Molina Ureña, Helena; Villalobos Porras, Javier; Paniagua Pérez, Sergio; Vega Baudrit, José Roberto; Rojas Jiménez, Keilor Osvaldo (2020-07)
      Current knowledge of the presence of microplastics (MP) in marine species in tropical areas is still limited. The presence of MP was examined in the gastrointestinal content of 30 filter feeders of the herring Opisthonema ...