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Category Archives: Ecology

  • Braided Rivers as the ecological nexus of regional biodiversity

    Posted on August 14, 2017 by in biology, Ecology, Fresh water management, Research

    Excellent research paper on braided rivers as the ‘ecological nexus’ of regional biodiversity; they are much richer biologically than ‘normal’ rivers, and should be regarded holistically, ie cross-disciplinary. “To be effective, conservation efforts in glaciated mountain landscapes intended to benefit the widest variety of organisms need a paradigm shift that has gravel-bed rivers and their […]

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    Braided River Newsletter #29: 06 March 2017

    Posted on March 6, 2017 by in ARRG, Awards and funding, biology, Breeding, community partnerships, Ecology, Newsletters, Orari, Wilberforce River

    Greetings, Thanks to everyone who pointed out the dozens (in fact hundreds) of broken links from our website to documents and pages that vanished when ECan rebuilt their website. It was an opportunity to update and restructure BRaid’s website. If you come across any errors that slipped through, I would appreciate it if you could […]

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    Weeds choking the Ashley Rakahuri

    Posted on February 14, 2017 by 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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    DeExtinction

    Posted on October 9, 2016 by in biology, Ecology, kaki, kaki /black stilt, population trends

    What if you could ‘de-extinct’ our vanishing bird species by bringing them back from the dead? If we can’t keep pace with the rapid decline of kaki and black-billed gulls, is this a viable fall-back position? While we’re at it, why not bring back moas or Haast’s eagles? With the CRISPR revolution in genetic engineering, […]

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  • What does coral bleaching have to do with braided river birds? Everything.

    Posted on April 27, 2016 by in biology, black-fronted terns, climate change, Ecology

    What does the staggering coral bleaching event in Australia’s Great Barrier Reef have to do with New Zealand’s braided river birds? Everything. River birds such as black-fronted terns depend on healthy oceanic ecosystems for winter feeding. The videos show not only the alarming extent of the current bleaching event in Australia, but the grim outlook […]

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  • Conservation Inc 2 Registrations now open

    Posted on March 7, 2016 by in citizen science, community partnerships, Department of Conservation, DOC, Ecology, Education, Events, Funding, population trends, Research

    Conservation Inc 2 brings together people from all sectors in New Zealand’s community conservation landscape. Most are inspirational leaders in their fields. The conference offers a compelling opportunity to look ahead, learn from others, make connections and discuss matters pivotal to the future of community based conservation work in this country.  Much has changed in […]

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    War of the Lupins

    Posted on December 27, 2015 by in Ecology, pest weeds

    This month’s New Zealand Geographic features an article on the clash between farming and conservation values when it comes to Russell lupins. The question remains: do the economic benefits of lupins for high country sheep outweigh the economic burden of controlling their rampant spread into fragile ecosystems, including braided rivers, and the concurrent loss of […]

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    Invitation: World Fish Migration Day 2016

    Posted on December 5, 2015 by in Ecology, Fresh water management

    World Fish Migration Day 2016 calls attention to the need to safeguard free flowing rivers and to restore the connections in rivers for migratory fish. On this day, celebrations and events will start in New Zealand, and follow the sun around the planet until it sets on Hawaii. World Fish Migration Day in 2014 had […]

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    Christchurch 360 Trail

    Posted on September 17, 2015 by in Ecology, Events, NatureWatchNZ

    The Christchurch 360 Trail Committee is opening the new 135 kilometre trail that circles Christchurch on Saturday October 3rd at 11 am at Wetlands Grove, Bexley. The idea of a trail began 25 years ago with Dr Colin Meurk, an ecologist, who over many years offered guided botanical walks around the city’s outskirts.  The purpose of these walks was educational, to encourage people to learn about […]

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    When You’re a Bird, the World Always Looks Psychedelic

    Posted on September 9, 2015 by in Ecology

     Reposted from Audubon.org, an ornithologist explains how birds can see a whole range of colours that people can’t.

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    Study: New Zealand’s freshwater species are disappearing

    Posted on August 20, 2015 by in Ecology, Fresh water management

    WELLINGTON, New Zealand (UPI) — Ecologists in New Zealand say the island nation’s freshwater species are in serious trouble. In a recent report, scientists reveal 74 percent of the islands’ freshwater fish, mussel and crayfish species are threatened by extinction. Freshwater biodiversity is threatened by a variety of factors, say Mike Joy and Professor Russell […]

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    Spotlight on the Robust Grasshopper

    Posted on August 16, 2015 by in Ecology

    Now that the breeding season is underway, all of our attention will be on birds. However, as author, museum director and entomologist Brian Patrick points out, there are other amazing species in our braided rivers.  One very special insect that lives on riverbeds and terraces in the Mackenzie Basin, is the Robust grasshopper (Brachaspis robustus), a highly threatened […]

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