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#br# Nestsite selection of mallard (Anas platyrhynchos) in Daqing Longfeng Wetland.

FAN Pei-li1, SONG Cheng-qi1, LI Cheng-xu1, WANG Meng1, ZHENG Shuo1, ZHANG Yu-tan1, QI Yan-ping1*, CHEN Xue-long1, WANG Hong-hai2, WANG Ya-fei3, WANG Hai-xia2#br#   

  1. (1College of Animal Science and Technology, Heilongjiang Bayi Agricultural University, Daqing 163319, Heilongjiang, China; 2Daqing Animal Husbandry and Veterinary Bureau, Daqing 163311, Heilongjiang, China; 3College of Science, Heilongjiang Bayi Agriculture University, Daqing 163319, Heilongjiang, China).
  • Online:2017-08-10 Published:2017-08-10

Abstract: Main environment factors for nest-site selection of mallard (Anas platyrhynchos) were surveyed with direct observation and sampling method in Longfeng Wetland from May to July 2016. The environmental factors were investigated for 38 mallard’s nests and 38 adjacent none-nest sites as contrast samples. The results showed that the nest-site selection of the mallard was specific and nonrandom. The main environment factors in nest-site selection of mallard were the density, height and coverage of vegetation, the proportion of bare land and the proportion of hay, successively. These factors suggested that mallard preferred the environment with higher concealment, higher herb coverage and being far away from the road. Accordingly, the concealment became the most important factor for nestsite selection of A. platyrhynchos.

Key words: population dynamics, long-term monitoring, permanent plot, broad-leaved Korean pine forest, diameter class distribution