Results 31 to 40 of about 59 (43)
The meiofauna from seagrass meadows in the western sector of the Gulf of Batabanó, Cuba were studied to describe the spatial and temporal variations in community structure. Replicated cores were taken in three locations (arranged in m- and km-scales) and
Maickel Armenteros +3 more
doaj
A physicochemical and biological characterization of the Cauca river was carried out in the sector between the “La Salvajina” reservoir and the “El Hormiguero” bridge in order to establish the potential of hydrobiological resources with special reference
Naundorf, Gerardo
core
Tesis presentada para optar al grado de Magíster en Ciencias con mención en Oceanografía.La fijación biológica de N es el proceso capaz de convertir el N gaseoso atmosférico (N2) en amonio, dejándolo biológicamente disponible, por lo que es una fuente de
González Hurtado, María Lorena Aydeliz
core +1 more source
Trazas fósiles de la ichnofacies de Cruziana, Zoophycos y Nereites del Cenozoico de los Andes Fueguinos [PDF]
Se dan a conocer resultados de estudios sistemáticos, implicancias paleoambientales y diversidad de trazas fósiles del PaleocenoMioceno de los Andes Fueguinos. Se reconocen las icnofacies de Cruziana (Formación Leticia, Eoceno Medio alto), y de Zoophycos
Ponce, Juan Jose +3 more
core +1 more source
Tesis presentada para optar al grado de Doctor/a en Oceanografía.El N2O es un gas invernadero con mayor eficiencia radiativa que el CO2, aunque se encuentra en la atmósfera en concentraciones menores.
Charpentier Herrera, José Ricardo
core +1 more source
Regulatory factors in crustacean zooplankton assemblages in mountain lakes of northern Chilean Patagonia (38- 41°S): a comparison with Bulgarian counterparts (42°N). [PDF]
Chilean Patagonia has protected mountainous areas with evergreen native forests; in which the lakes and rivers, of volcanic or glacial origin, are oligotrophic.
Pandourski, Iván +4 more
core
Variabilidad del estado trófico y la biomasa del fitoplancton de Bahía Concepción, Golfo de California (1997-1999) [PDF]
To determine the effect of the phytoplankton biomass and the trophic status in Bahía Concepción in the centralwest part of the Gulf of California an hydro-biologic study was conducted from 1997 to 1999. Temperature, dissolved oxygen, inorganic nutrients (
Murillo-Murillo, Iban +4 more
core
According to the Water Framework Directive of the EU (WFD), artificial lakes larger than 0.5 km2 have to be monitored and managed in order to establish or maintain a state of the so-called good ecological water quality.
Moyá Niell, Gabriel +3 more
core +1 more source
The meio and macrofauna at 20 stations pertaining to tropical seagrass meadows and mangroves were surveyed for describe their abundance and distribution patterns and also the relationships between these faunal groups.
Hidalgo, G. +3 more
core
El embalse Succus es un ecosistema acuático altoandino que provee de agua potable al Distrito Metropolitano de Quito. Se ve afectado directamente por el cambio climático, que provoca que las variables físicas, químicas y biológicas se desestabilicen y ...
Guapi Albán, Kimberly Elizabeth
core +1 more source

