A

Study AreaStudy Area

A

Adapted from: Google Maps. Available at http://maps.google.pt/. (Last accessed: September 26th 2011)

An estuary is a semi-enclosed maritime area with limited self renewal capability which

makes it particularly capable of retaining contaminants from different sources.

ObjectivesObjectives

2007

Sediment samplingSediment sampling

Adapted from: Google Maps. Available at http://maps.google.pt/. (Last accessed: September 26th 2011)

Samples collected in

2011 in frequently

used fishing sites

MethodsMethods

Northern AreaNorthern Area

Southern AreaSouthern Area

ConclusionsConclusions

Southern Area

Agricultural/Riverine Area

↓ Contamination

Northern Area

Industrial and Urban Area

↑ Contamination

F

PC

↓ Contamination

↓ Cytotoxicity

↑ Oxidative DNA damage

↓ Micronculei induction

↑ Contamination

↑ Cytotoxicity

↑ DNA Strand Breaks

↑ Micronuclei induction

AE

Maria João SilvaMaria João Silva

Henriqueta LouroHenriqueta Louro

João João LavinhaLavinha

Eleonora PaixãoEleonora Paixão

Sandra Caeiro Sandra Caeiro

Maria Helena CostaMaria Helena Costa

Pedro CostaPedro Costa

Sara Carreira Sara Carreira

AcknowledgementsAcknowledgements

Eleonora PaixãoEleonora Paixão Sara Carreira Sara Carreira

Work supported by the Foundation Work supported by the Foundation

for Science and Technology for Science and Technology

(ref. PTDC/SAU(ref. PTDC/SAU--ESA/100107/2008)ESA/100107/2008)