Haddoc

Assessment of long-term effects of oil exposure on early life stages of Atlantic haddock using state-of -the art genomics tools in combination with fitness observations

About the project

In this project we aim at generating experimental data to assess the chronic toxicity during early life stages as well as evaluating the long-term effects of oil pollution in Atlantic haddock - using state-of-the-art genomics tools in combination with fitness observations. It is important to identify special high-risk scenarios and more data are need on the long-term effects of exposure during different life stages in the early development of relevant fishes. Preliminary data from an ongoing project (funded by VISTA) indicate that haddock embryos may be especially vulnerable to exposure to dispersed oil droplets. We will apply the new risk assessment model, SYMBIOSES, for estimating a realistic exposure scenario for early life stages of haddock (embryo and larvae) after a blow-out from four hypothetic platforms localities around the Lofoten area. These models will make the basis to design the exposure regimes that will be used in the experimental laboratory experiments. The goal is to deliver results that can be used directly in the SYMBIOSES modeling, addressing the question about which compounds should be used in egg/larvae-Oil overlap modeling; only water soluble PAH or total dispersed oil? Which body burden of oil compound that is obtained at different life stages and what are the long-term effects of oil exposure on the fitness of haddock. In addition, the project will be a contribution to the general knowledge about the mechanism of oil toxicology. The project are relevant both for accidental oil spill and chronic exposure from operational discharges of produced water and the results are expected to contribute significantly to understand the risk of opening up high-latitude marine environment to oil exploration and production.

Financing

This project is funded by The Research Council of Norway.

Cooperation

Institute of Marine Research.

Published Dec. 3, 2014 4:39 PM - Last modified Dec. 3, 2014 4:44 PM

Contact

RCN Project No. 234367
UiO Project No. 190649