Given the high numbers of deaths and the debilitating nature of diseases caused by the use
of unclean water it is imperative that we have an understanding of the factors that control the …

Natural waters serve as habitat for a wide range of microorganisms, a proportion of which
may be derived from fecal material. A number of watershed models have been developed to …

Extensive time and financial resources have been dedicated to address nonpoint sources of
nitrogen and phosphorus in watersheds. Despite these efforts, many watersheds have not …

Measuring the environmental impacts of agricultural practice is critical for policy formulation
and review, including policies implemented to improve water quality. Here, studies that …

The loss of phosphorus (P) from land to water is detrimental to surface water quality in many
parts of New Zealand and Australia. Farming, especially pasture‐based dairying, can be a …

Recent assessments of water quality in New Zealand have indicated declining trends,
particularly in the 40% of the country's area under pasture. The most comprehensive long …

Summary Many New Zealanders are planning and implementing riparian management, and
riparian fencing and planting are now standard best practice tools for water quality and …

Riparian zones act as ecological engineers through stream bank stabilization, pollutant
buffering, energy provision to food webs, and groundwater recharge. In the ongoing …

Intensive land use, such as dairying, can impair water quality. Although many guidelines
exist on how to mitigate the loss of dairy-associated contaminants from land to water through …

To counteract the negative effects of intensive agriculture there is increasing interest in
approaches that reconcile agricultural production with the conservation and sustainable use …