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IT3 Our Plan template: Monitoring plan …

FC10 Our Plan template: Catchment values …

… What’s the problem with high levels of nutrients? The problem is periphyton – the slime and algae found on river and stream beds. These organisms are essential for ecosystem functioning, but – under … biodiversity and economic values. New Zealand streams are particularly prone to excessive periphyton growth because of the gravel nature of stream beds, high-intensity sunlight, warm waters and nutrient enrichment (from factors such as …