Category Archives: weeds

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  Linking science and management for effective long-term conservation: A case study of black-fronted terns/tarapirohe (Chlidonias albostriatus)

  Posted on November 26, 2018 by riveraid in Black-backed gull, black-fronted terns, Breeding, Canterbury Water Management Strategy, Ecology, genetic, Lower Waitaki, pest weeds, population trends, Waitaki, weeds

  Ann-Kathrin Schlesselmann has been researching the genetics of black-fronted terns/tarapirohe for the past few years for her PhD thesis. Her findings represents a signficant breakthrough on several levels, and a clear signal that we have to start managing South Island rivers as interlinked rather than isolated systems. Ann-Kathrin summarises her findings below: “In a nutshell, […]

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  Determining the extent of braided riverbeds

  Posted on June 1, 2018 by riveraid in Canterbury Water Management Strategy, ECan, Events, Fresh water management, Land & Water Regional Plan, weeds

  In 2016, Philip Grove and Duncan Grey presented a report titled ‘Land use change on the margins of lowland Canterbury braided rivers, 1990-2012‘ to the Braided Rivers Workshop. The report, produced in 2015, pointed out that: “Across the region’s low plains, a total of 11,630ha of formerly undeveloped or forested river margin have been converted […]

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  A quick guide to creating bird nesting islands

  Posted on April 7, 2018 by riveraid in black-fronted terns, Breeding, Clarence River, Ecology, Lower Waitaki, pest weeds, Reports, Research, Waitaki, weeds

  Braided rivers are home to a number of our special native birds, and they need some help! Creating islands in the river where birds can nest is one way we can help reverse the decline of birds like the wrybill, black billed gull and black fronted terns. Several project to test the optimal size and […]

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  Weeds choking the Ashley Rakahuri

  Posted on February 14, 2017 by riveraid in Ashley, Ecology, weeds

  While a picture (or 3 – see below) tells a thousand words, the mapping undertaken by the Ashley Rakahuri Rivercare Group (ARRG) shows the alarming trend of weed infestation in the Ashley Rakahuri. The grey areas are gravel, purple outlines are river channels. For all their ‘bare’ appearance, these gravel areas are biologically rich and […]

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