River Habitat Quality 2003.

Instructions for calculating the River Habitat Quality Class using RHS. The River Habitat Quality (RHQ) index was suggested to the Environment Agency in 2001 and implemented as part of the River Habitat Objectives in 2005 (Walker, 2005). It provides a way... Показать больше

Instructions for calculating the River Habitat Quality Class using RHS. The River Habitat Quality (RHQ) index was suggested to the Environment Agency in 2001 and implemented as part of the River Habitat Objectives in 2005 (Walker, 2005). It provides a way of combining and calibrating HMS and HQA scores against data from Benchmark sites (i.e. sites of outstanding quality) and assessing potential management impact. Спрятать