Sources versus Indicators

How sources would affect the indicators in the different sub-areas within the study area are illustrated the tables to the right of this text. The Gothenburg mainland and Shoreline have a similar trend, but in different scale. All the regions have high values from industry and Harbour/Shipping and low in forestry. The Harbour region also has a much lower relative risk value from the agriculture than the other two regions. Oil spills is only high in the Harbour and the Shoreline, though the Gothenburg mainland has also oil spills from other sources than from sea traffic but it is not included in the definition.

 

Stressors versus Indicators

For the five defined stressors that are used, the region's Shoreline and Gothenburg mainland shows the same trend more or less over all the parameters. Pesticides in the Harbour shows to have less proportion of contribution to the indicants than the other regions. The BWQ is the indicator that differ mostly from region to region, while CWQ and SedQ are close to the same.

 

There is a trend within all the three regions when looking at the different indicators, that also can be seen in sources and habitats. In most of the stressors the BWQ is the indicator with the highest relative risk value. The SedQ are generally the second highest, even if it at times exceeds BWQ. The CWQ on the other hand is the lowest on all the stressors except for the turbidity, where it is the highest.  

 

Habitats versus Indicators

Mudflats, Fjords and Coarse grained shores have relative risk values of zero in both the Harbour and Gothenburg mainland regions. In the Shoreline region both Mudflats and Coarse grained shores are present, though Mudflats to a lesser extent. The Fjord habitat is not present. Otherwise are the River mouth/Estuary the most affecting habitat throughout. Shoreline have more indicator values for the habitats than the other two regions has.