Northland lakes water quality and ecology - State and trends 2007-2011

The Northland region has a large number of lakes, a large proportion of which were formed by dune activity and are classed as dune lakes. Many Northland Lakes are of national importance representing some of the few remaining lakes with intact native flora and containing a number of rare and endangered plant and animal species.

This report is a companion report to the five yearly State of the Environment Report 2012, detailing the state and trends of water quality for 28 lakes in the current Northland lake monitoring network from 2007 to 2011.