Results 131 to 140 of about 147,700 (210)

CARACTERÍZACIÓN DEL SEDIMENTO DE UNA LAGUNA TROPICAL RASA

open access: yesCaldasia, 2004
ABSTRACT: The mechanical characteristics and the contents of organic matter, humidity, phosphorus and calcium of the sediments of the Parque Norte lake, a tropical and eutrophic shallow system, are presented. The sediment is adjusted to the organic type (half content of organic matter: 16.5%) characterized from the mechanical point of view as sandy ...
Ramírez Restrepo, John Jairo   +1 more
openaire   +3 more sources

El uso de parámetros magnéticos en estudios paleolimnológicos en Antártida [PDF]

open access: yes, 2014
En esta contribución se describen las distintas técnicas y mediciones magnéticas utilizadas en Magnetismo Ambiental y Paleomagnetismo. Tales mediciones ofrecen útiles indicadores para realizar estudios relacionados con cambios
Böhnel, Harald N.   +11 more
core  

Remediación de sedimentos marinos anóxicos

open access: yes, 2018
El objetivo de este trabajo fue el desarrollo de una novedosa técnica de remediación de sedimentos marinos anóxicos a partir de la inyección de agua de mar saturada en oxígeno. El estudio se llevó a escala laboratorio, muestreando sedimento procedente de la playa de la Marineta Casiana (Dénia, Alicante), en una superficie de 20 m2 a 5 metros de la ...
Ferrández, Borja   +4 more
openaire   +1 more source

Pesquisa de pesticidas organoclorados em sedimentos e rizo-sedimentos do estuário do Rio Douro

open access: yes, 2005
Dissertação de Mestrado em Química apresentada à Faculdade de Ciências da Universidade do ...
openaire   +2 more sources

Sedimentos como indicadores de eventos erosivos en una pequeña cuenca lacustre de Chile central

open access: yesEspacio y Desarrollo, 1997
En esta investigación se estudian, mediante geocronología radioisotópica (Pb210), las variaciones históricas en el proceso de erosión-sedimentación en Laguna Chica de San Pedro, VIII Región.
Marco Cisternas   +3 more
doaj  

Using biological traits to assess diet selection: the case of the Pyrenean Desman. [PDF]

open access: yesJ Mammal, 2023
Esnaola A   +4 more
europepmc   +1 more source

Sedimentos, territorios y arquitecturas deshabitadas

open access: yes, 2017
Unite and relate different concepts or extrapolating from other disciplines is an exercise that always takes place in architecture. From the search required by the project, continuously trying to find arguments as a way of approaching reality that relate ideas in different worlds of creation, mediations to the problem that always ending in architecture.
openaire   +2 more sources

Zooplanktona ilgolas Rīgas līča sedimentos

open access: yes, 2009
The aim of this study is to find out density of zooplankton resting eggs in sediment of the gulf of Riga during spring period and analyze factors affecting them. Abundance of the resting eggs of the gulf of Riga is uneven – the most abundant they are at eastern part (4.4Ī105 resting eggs/m2), but the least at western part (3.0Ī104 resting eggs/m2) of ...
openaire   +1 more source

Detection of Toxoplasma gondii in water for human consumption from water wells (jagüeyes) in the rural area of the municipality of Sincelejo [PDF]

open access: yesBiomedica, 2021
Campo-Portacio DM   +4 more
europepmc   +1 more source

Preservación de diatomeas en sedimentos turbosos

open access: yes, 1998
[Abstract] This paper describes a comprehensive survey of the quality of diatom preservation in the recent sediment record from two close peatbogs but with different geomorphological features, Villaseca and La Mata (NW Spain). Twenty samples have been analysed from each core, focusing especially in the preservation of diatom frustules along the upper ...
openaire   +2 more sources

Home - About - Disclaimer - Privacy