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Issue:ISSN 1000-7083
          CN 51-1193/Q
Director:Sichuan Association for Science and Technology
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Your Position :Home->Past Journals Catalog->2010 Vol.29 No.3

A Study on the Breeding Biology of Aix galericulata in Mudanfeng Nature Reserve in Heilongjiang
Author of the article:JIN Zhi-min1, YANG Chun-wen1, LIU Zhu1, JIN Jian-li1, LI Ding-nan2
Author's Workplace:(1. Department of Biology, Mudanjiang Normal College, Mudanjiang, Heilongjiang Province 157012, China; 2. College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing 100083, China)
Key Words: Aix galericulata; Mudanfeng Nature Reserve; breeding ecology
Abstract:A study on the breeding biology of Aix galericulata was conducted from 2007 to 2008 in Mudanfeng Nature Reserve, Heilongjiang Province. The results showed that Aix galericulata belonged to the summer migrants in the study area, migrating into this area in late April and leaving in late September. The residence period was about five months. During the breeding period, their mating system was monogamous, and generally females were responsible for building nests, which were completed in 78 days. Adults started laying eggs 56 days after nesting. The clutch size was 510 eggs, the mean clutch size was 7.5. The mean egg weight was 34.2g. Females began to incubate immediately after laying the last egg. Incubation lasted 2830 days. The hatching rate was 90%.
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