Results 31 to 40 of about 627 (95)

BACTERIOPLANCTON EN BAHÍA GAIRA, MAR CARIBE (COLOMBIA): COMPARACIÓN DE LA VARIABILIDAD EN ABUNDANCIA Y BIOMASA BACTERIANA DURANTE DIFERENTES PERÍODOS

open access: yesBulletin of Marine and Coastal Research, 2016
Marine bacterioplankton abundance, biomass, biovolume and shape were quantied in three stations within Gaira Bay at the Colombian Caribbean coast over three periods dened for this study as: “rainy” (July, August, 2003), “transition” (April, October 2004) and “dry” (February, March, 2004). Bacterioplankton samples were collected from 0.5 and 42 m depths,
Barragán G., Rafael G.   +2 more
openaire   +2 more sources

Respuestas del plancton y peces de zonas templadas a la RUV y la temperatura en un contexto de cambio global

open access: yesEcología Austral, 2010
En las últimas décadas, tanto la temperatura como la radiación UVB (280-315 nm) en la superficie del planeta han aumentado a velocidades crecientes como resultado de las actividades humanas.
Rodrigo J. Gonçalves   +7 more
doaj  

Efectos de la actividad ganadera en los lagos del Parque Nacional de Aigüestortes i Estany de Sant Maurici: aportes de nitrógeno y riesgo de eutrofización [PDF]

open access: yes, 2016
Este capítulo contiene 16 páginas, 2 tablas, 11 figuras.El proyecto EGALA estudió el efecto de la actividad ganadera en los lagos del Parque Nacional de Aigüestortes i Estany de Sant Maurici especialmente por los aportes de N que representa y el riesgo ...
Camarero, Lluís   +4 more
core  

Widespread known and novel phosphonate utilization pathways in marine bacteria revealed by functional screening and metagenomic analyses [PDF]

open access: yes, 2010
Phosphonates (Pn), compounds with a direct C–P bond instead of the more common C–O–P ester bond, constitute a significant fraction of marine dissolved organic phosphorus and recent evidence suggests that they may be an alternative source of P for marine ...
Altschul   +66 more
core   +1 more source

Biomasa y distribución espacial del bacterioplancton en el sector norte de la plataforma continental argentina (34º S-41º S)

open access: yes, 2013
The northern sector of the Argentine continental shelf (34º S-41º S) is a highly productive area that sustains important fishery resources like Argentine anchovy (Engraulis anchoita) and is characterized by the presence of frontal zones with retention of detritus and plankton.
Hozbor, M.C.   +4 more
openaire   +2 more sources

Estructura y dinámica de tramas tróficas en sistemas acuáticos andino-norpatagónicos: relaciones con la materia orgánica, la luz y los nutrientes

open access: yesEcología Austral, 2010
Los sistemas acuáticos de Patagonia incluyen lagos oligotróficos tanto profundos como someros con una importante red hidrográfica. En este trabajo se presenta una revisión de la información surgida a partir de los trabajos de investigación en redes ...
Beatriz Modenutti   +10 more
doaj  

Gens de superviviència bacteriana [PDF]

open access: yes, 2008
Un nou pas en l'estudi de la genòmica permetrà entendre una mica més la vida cel·lular i molecular present als oceans. En aquest cas, l'anàlisi s'ha centrat en el bacteri Polaribacter sp.
Sánchez Martínez, M. Olga
core   +1 more source

The Effect of Dreissena polymorpha on Bacterioplankton, Nematode Fauna and their Relations to Environmental Factors in Ogosta Reservoir (Danube Basin) [PDF]

open access: yes, 2016
Spatial, seasonal, and annual bacterioplankton dynamics in recently infested by the species Dreissena polymorpha Ogosta Reservoir were studied for the first time during three year period.
Dimitar Kozuharov   +6 more
core   +1 more source

Influence of filtration and glucose amendment on bacterial growth rate at different tidal conditions in the Minho Estuary River (NW Portugal) [PDF]

open access: yes, 2006
Bacterioplankton abundance, biomass and growth rates were studied in theMinho Estuary River (NW Portugal). The influence of tidal conditions, glucose amendment, and the filtration process on total bacterial abundance, total and faecal coliforms, as well ...
Anne, Ibrahima   +3 more
core  

Avaliação da estrutura da comunidade fitoplanctônica em várzeas amazônicas frente às variações hidrológicas, ambientais e espaciais [PDF]

open access: yes, 2015
Dissertação (mestrado)—Universidade de Brasília, Instituto de Ciências Biológicas, Programa de Pós-Graduação em Ecologia, 2015.O pulso de inundação é a principal força estruturadora ambiental e biológica das planícies alagáveis, mas nem sempre é capaz de
Kraus, Cleber Nunes
core   +1 more source

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