- Taschenbuch: 363 Seiten
- Verlag: CSIRO Publishing (30. August 2002)
- Sprache: Englisch
- ISBN-10: 0643067949
- ISBN-13: 978-0643067943
- Größe und/oder Gewicht: 24,4 x 16,8 x 2,3 cm
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Ecology and Conservation of Owls
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Synopsis
The world's owls have become focal species in the conservation movement because some, like the Powerful Owl (Ninox strenua) and Spotted Owl (Strix occidentalis), are tied to old growth forests and have been adversely affected by the new generation of rodenticides which are more toxic and persistent than old ones and have the potential to cause secondary poisoning to rodent predators. Owls in Australia are difficult to find and study, so comparitively little is known about their biology. Even less is known about the statues, taxonomy, and biology of those species and sub-species living in tropical and subtropical environments and on islands. Many island species and sub-species are at risk, and some have already been lost. The chapters in this book derive from papers at a five-day conference devoted to the study of owls, which was held at the Australian National University, Canberra, in January 2000. The conference was the third in a series of international meetings on owls.It provided an opportunity for the presentation of new findings, for northern and southern hemisphere owl researchers to meet and discuss issues of mutual concern, and also for northern biologists to see some of the markedly distinctive species of the region.
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global warming concern
14. März 2012
Format:Taschenbuch
The conference was held in Australia and several chapters of the book are dedicated to the study of Australian owls. We can see that there is some concern about the habitats of a few species, especially in Victoria, in the forests and grasslands near Melbourne. None of the species is seen as near extinction, but the trends of shrinking numbers is worrisome.
At least for the owls in the south west of Western Australia, from Augusta to Albany, the situation was stable. Likewise in Queensland.
Overall, you might have admiration for these magnificent raptors, all over the world.
The proceedings were held before global warming became a prominent concern. Today, some 12 years later, it has been noted in Australia that temperatures are gradually rising and rainfall decreasing in some regions, including those covered in the text. Reading the book today raises the suggestion that further environmental stress might occur. Especially because the owls needs a fairly temperate climate and cannot survive in an actual Outback situation.
At least for the owls in the south west of Western Australia, from Augusta to Albany, the situation was stable. Likewise in Queensland.
Overall, you might have admiration for these magnificent raptors, all over the world.
The proceedings were held before global warming became a prominent concern. Today, some 12 years later, it has been noted in Australia that temperatures are gradually rising and rainfall decreasing in some regions, including those covered in the text. Reading the book today raises the suggestion that further environmental stress might occur. Especially because the owls needs a fairly temperate climate and cannot survive in an actual Outback situation.
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