GIVING BACK

  • Limited Edition Pennroyal Caxton Bible

    Limited Edition Pennroyal Caxton Bible

    The Kovner Foundation in New York, on behalf of Bruce and Suzie Kovner, have donated...

    The Kovner Foundation in New York, on behalf of Bruce and Suzie Kovner, have donated a very rare and highly sought after Limited Edition Pennroyal Bible to AUOA as an ongoing donation to the Special Collections Department of the University of Otago Library. The full description of this amazing gift is as follows: The Holy Bible: Containing all of the books of the Old and New Testaments; Pennroyal Caxton Press 1999; 2 vols; #209 of 400. Our very special thanks to Bruce and Suzie Kovner for this very generous and unique gift to our University

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  • YELLOW-EYED PENGUIN
    YELLOW-EYED PENGUIN

    YELLOW-EYED PENGUIN

    A research team at the University of Otago has discovered that the endangered and endemic...

    A research team at the University of Otago has discovered that the endangered and endemic yellow-eyed penguin forages in straight lines for several kilometres by following furrows in the seafloor scoured out by fishing trawlers. Using GPS dive loggers the researchers monitored the penguins’ movements over three years showing the birds use furrows scoured on the seabed by otter boards from trawl nets to find food, particularly blue cod. This research is unique as it shows for the first time that not only do flying seabirds follow fishing vessels, but also penguins, with the latter foraging after a trawler has gone through a particular area,” says lead research Professor Philip Seddon. The researchers say that blue cod and other bottom feeders are likely to forage around the seafloor lines because they are attracted to the marine life stirred up and exposed by the action of the nets being dragged behind fishing trawlers. The lines made by the otter boards, which keep the mouth of the trawl net open, are up to 15cms wide and two centimetres in depth on a north-east to south-west axis. They can remain on the sea floor for a year or more and are clearly visible. GPS dive loggers were attached to the back of the birds to determine the depth the penguins dive, their locations and line of travel and how far they swim in one foraging trip. Lines on the seafloor were located by using video footage taken by a remote operated vehicle launched from the University’s research vessel Polaris II. Many penguins swim to a depth of between 60 and 70 metres to feed during multiple dives (up to 80) over several hours before returning to shore. The penguins can travel up to 120 kilometres in one trip, while foraging in the mid-shelf fishing grounds some 20 kilometres off the Otago Peninsula. The study shows that the birds also revisit the lines on subsequent occasions and might develop a visual memory of the area, say researchers. “It appears that using the lines for foraging is particularly related to bad breeding years when penguins are more likely to go further out to sea to find blue cod and other bottom feeders. This might also be due to the individual preference of some birds though,” says Dr Thomas Mattern, the first author of the paper reporting these results. However the researchers say that one of the downsides of foraging around the trawl lines might be that an exclusive diet of blue cod, which tends to be low in nutritional value, could affect breeding. As yet there is no confirmation of this hypothesis and further research is needed to determine if there is any relationship between foraging patterns, diet quality and breeding success in the 500 yellow-eyed penguin pairs that still exist around the New Zealand mainland. This research was supported by the Yellow-Eyed Penguin Trust and has recently been published in the open access journal PloS ONE.

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