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Issue:ISSN 1000-7083
          CN 51-1193/Q
Director:Sichuan Association for Science and Technology
Sponsored by:Sichuan Society of Zoologists; Chengdu Giant Panda Breeding Research Foundation; Sichuan Association of Wildlife Conservation; Sichuan University
Address:College of Life Sciences, Sichuan University, No.29, Wangjiang Road, Chengdu, Sichuan Province, 610064, China
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Your Position :Home->Past Journals Catalog->2014 Vol.33 No.4

Red-crowned Cranes Injured or Killed in China in 1999~2013 and its Impact on the Wild Population
Author of the article:ZHOU Daqing1*, XU Wanggu1, LIU Ying2, JIANG Mingkang1
Author's Workplace:(1. Nanjing Institute of Environmental Sciences, Ministry of Environmental Protection, Nanjing 210042, China; 2. Foreign Economic Cooperation Office, Ministry of Environmental Protection, Beijing 100035, China)
Key Words:poisoning; poaching; rescue; habitat; in-situ conservation
Abstract:Red-crowned crane (Grus japonensis) is one of the first-class national protected animals in China, and has been listed as a “Critically Endangered” species by IUCN. The in-situ conservation of red-crowned cranes faces a tough situation, since the wild population of which was dramatically decreased in recent years in China. We collected and sorted out the casualty events of red-crowned cranes associated with direct human disturbances during 1999~2013 inChina, and then analyzed their impacts on the wild population. We found a total of 174 red-crowned cranes were injured (107 inds.) or killed (67 inds.) in the past 15 years, with an average of 11.6 per year. In other words, about 2.1% of wild red-crowned cranes were lost per year because of direct human disturbances. The number of killed red-crowned cranes decreased over time, but the number of the injured individuals showed a reverse trend. The percentage of poisoning incidents in total casualty events decreased linearly with time. The casualty events of red-crowned cranes happened in the administrative regions of 10 provinces during 1999~2013 inChina, and the top three were Jiangsu, Liaoning, and Jilin, with 62, 46, and 23 were killed and injured, respectively. Regarding the casualty causes, poisoning accounted for 38.5% of total casualty events, and 48.7% were unknown injuries. Moreover, 62 individuals were killed by poisoning, accounted for 92.5% of total deaths; 51 were injured by poisoning, accounted for 47.7% of total injuries. Therefore, poisoning is the most important factor causing the deaths and injuries of red-crowned cranes in recent years. This study confirmed that human disturbances have a negative impact on wild red-crowned cranes. Understanding of this not only reveals a new angle to explain why the wild population of red-crowned cranes keeps decreasing, but also provides some basic information to improve the conservation and management of wild red-crowned cranes in China.
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