Plant Response to Salmon Wastes and Sewage Sludge Used as Organic Fertilizer on Two Degraded Soils Under Greenhouse Conditions

por Celis,José, Sandoval,Marco, Barra,Ricardo
Publicado 2008

DETERMINACIÓN DE LOS NIVELES BASALES DE METALES TRAZA EN SEDIMENTOS DE TRES LAGOS ANDINOS DE CHILE: LAGOS CHUNGARÁ, LAJA Y CASTOR

por URRUTIA,ROBERTO, YEVENES,MARIELA, BARRA,RICARDO
Publicado 2002

TRIBROMOFENOL EMPLEADO EN ASERRADEROS: METODOS DE ANALISIS, CARACTERISTICAS FISICO-QUIMICAS Y PRESENCIA EN COMPONENTES AMBIENTALES

por GUTIÉRREZ,MANUEL, BECERRA,JOSE, BARRA,RICARDO
Publicado 2002

TEMPORAL VARIATION OF PAHS IN SOILS FROM THE BIOBÍO REGION: CENTRAL SOUTHERN CHILE

por QUIROZ,ROBERTO, POPP,PETER, BARRA,RICARDO
Publicado 2011

HYDROCARBONS AND ORGANOCHLORINE PESTICIDES IN SOILS OF THE URBAN ECOSYSTEM OF CHILLÁN AND CHILLÁN VIEJO, CHILE

por HENRÍQUEZ,MARTA, BECERRA,JOSÉ, BARRA,RICARDO, ROJAS,JORGE
Publicado 2006

Análisis de la monitorización de cinco indicadores de calidad del hemocultivo en un hospital universitario en Chile 2009-2011

por Guzmán,Ana María, Sánchez,Tomás, de la Barra,Ricardo
Publicado 2012

TEMPORAL TRENDS OF POLYCYCLIC AROMATIC HYDROCARBONS (PAHs) IN A DATED SEDIMENT CORE OF A HIGH ATITUDE MOUNTAIN LAKE: CHUNGARA LAKE- NORTHERN CHILE (18° S)

por POZO,KARLA, PERRA,GUIDO, GOMEZ,VICTORIA, BARRA,RICARDO, URRUTIA,ROBERTO
Publicado 2014

Use of earthworms as a pesticide exposure indicator in soils under conventional and organic management

por Araneda,Ana D, Undurraga,Pablo, Lopez,Daniela, Saez,Katia, Barra,Ricardo
Publicado 2016

Does protein content influences accumulation and biomagnification of tantalum in fishes and invertebrates of marine coastal environments?

por Ricciardi,Rocío, Espejo,Winfred, Barra,Ricardo, Chiang,Gustavo, Celis,José E.
Publicado 2020

Effect of Irrigation Levels on Dissolved Organic Carbon Soil Distribution and the Depth Mobility of Chlorpyrifos

por Junod,Julio, Zagal,Erick, Sandoval,Marco, Barra,Ricardo, Vidal,Gladys, Villarroel,Mario
Publicado 2009

Regional Cumulative Effects Monitoring Framework: Gaps and Challenges for the Biobío River Basin in South Central Chile

por CHIANG,GUSTAVO, MUNKITTRICK,KELLY R., MCMASTER,MARK E., BARRA,RICARDO, SERVOS,MARK
Publicado 2014

RESIN ACIDS IN BILE SAMPLES FROM FISH INHABITING MARINE WATERS AFFECTED BY PULP MILL EFFLUENTS

por HERNÁNDEZ,VÍCTOR, SILVA,MARIO, GAVILÁN,JUAN, JIMÉNEZ,BEGOÑA, BARRA,RICARDO, BECERRA,JOSÉ
Publicado 2008

Assessment of persistent organic pollutants and their relationship with immunoglobulins in blood of penguin colonies from Antarctica

por Jara,Solange, Celis,José E., Araneda,Alberto, González,Margarita, Espejo,Winfred, Barra,Ricardo
Publicado 2018

Mucus phosphoproteins as an indirect measure of endocrine disruption in native small-bodied freshwater fish, exposed to wastewater treatment plant and pulp and paper mill effluents

por Bahamonde,Paulina, Berrocal,Camila, Barra,Ricardo, Mcmaster,Mark E., Munkittrick,Kelly R., Chiang,Gustavo
Publicado 2019

VARIABILIDAD ASOCIADA A LA DETERMINACIÓN DE RESIDUOS DE CLORPIRIFOS AL SER APLICADO EN UN HUERTO DE MANZANOS

por Junod,Julio, Zagal,Erick, Sandoval,Marco, Venegas,Alejandro, Campos,Jorge, Radrigan,Rudi, Barra,Ricardo, Vidal,Gladys
Publicado 2009

Changes of sub-fossil chironomid assemblages associated with volcanic sediment deposition in an Andean lake (38°S), Chile

por ARANEDA,ALBERTO, CRUCES,FABIOLA, TORRES,LAURA, BERTRAND,SEBASTIEN, FAGEL,NATHALIE, TREUTLER,HANS C, CHIRINOS,LUIS, BARRA,RICARDO, URRUTIA,ROBERTO
Publicado 2007

Seasonal changes in oocyte development, growth and population size distribution of Percilia gillissiand Trichomycterus areolatus in the Itata basin, Chile

por Chiang,Gustavo, Munkittrick,Kelly R, McMaster,Mark E, Tucca,Felipe, Saavedra,M. Fernanda, Ancalaf,Andrea, Gavilán,Juan F, Unzueta,Luis, Barra,Ricardo
Publicado 2012