Literature

Harrison, T.D. & Whitfield, A.K., 2006. Application of a multimetric fish index to assess the environmental condition of South African estuaries. Estuaries and Coasts , 29, pp.108–1120. Available at: https://link.springer.com/article/10.1007/BF02781813.

Coates, S.A. et al., 2004. Development of an estuarine classification scheme for the Water Framework Directive. Phases 1 & 2 - transitional fish component.

Harrison, T.D. & Whitfield, A.K., 2004. A multi-metric fish index to assess the environmental condition of estuaries. Journal of Fish Biology, 65(3), pp.683 - 710. Available at: https://onlinelibrary.wiley.com/doi/abs/10.1111/j.0022-1112.2004.00477.x.