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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
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Your Position :Home->Past Journals Catalog->2020 Vol.39 No.2

Seasonal Dynamics of Waterbird Phylogenetic Diversity in Ecological ZoneⅠ and Ⅱ in Macao, China
Author of the article:DING Zhifeng1*, CHAN Sot2, Si Nga3, Kam Heng2, LIANG Jianchao1, FENG Yongjun1
Author's Workplace:1. Guangdong Key Laboratory of Animal Conservation and Resource Utilization, Guangdong Public Laboratory of Wild Animal Conservation and Utilization, Guangdong Institute of Applied Biological Resources, Guangzhou 510260, China;
2. Division of Conservation of Nature, Department of Green Areas and Gardens, Municipal Affairs Bureau of Macao Special Administrative Region, Macao, China;
3. Division of Nature Conservation Studies, Department of Green Areas and Gardens, Municipal Affairs Bureau of Macao Special Administrative Region, Macao, China
Key Words:Macao; waterbird; phylogenetic diversity; environmental filtering
Abstract:Seasonal dynamics are one of the most important characteristics of bird community. Environmental variability caused by seasonal changes influences the effects of various driving factors, and plays an essential role in structuring communities. Therefore, understanding the seasonal changes of bird community is of great importance for a complete perspective on the assembly process. We conducted a monthly waterbird survey in the Ecological Zone Ⅰ and Ⅱ in Macao, China from January to December, 2018, and the waterbird species richness and abundance were recorded by using the transect line method. Furthermore, the seasonal dynamics of waterbird phylogenetic diversity were estimated also. The results showed that: 1) a total of 37 waterbird species were recorded, and Charadriiformes and Ardeidae have the highest species richness (15 and 11 species, respectively). In addition, Egretta garzetta was the most abundant species (540 individuals). 2) The highest waterbird species richness of Ecological Zone Ⅰ and Ⅱ was found in winter, followed by autumn, while the highest species abundance was found in autumn and winter, respectively. The phylogenetic diversity and mean pairwise phylogenetic distance showed the similar pattern to species richness. 3) Phylogenetic over-dispersion occurred in spring, autumn and winter in Ecological Zone Ⅰ, and in autumn in Ecological Zone Ⅱ, and phylogenetic clustering occurred mostly in other seasons in Ecological Zone Ⅰ and Ⅱ. In general, phylogenetic over-dispersion might indicate that interspecific competition play an important role in structuring communities whereas clustering indicate that environmental filtering might contribute to waterbird assemblages. This findings suggest that seasonal dynamics in the assembly mechanisms structured waterbird communities, highlighting the necessity of considering these temporal shifts when obtaining a complete perspective on the assembly process.
2020,39(2): 130-138 收稿日期:2019-08-15
基金项目:广东省自然科学基金项目(2015A030313870);广东省林业科技创新项目(2018KJCX037);广东省科学院科技发展专项(2017GDASCX-0107; 2018GDASCX-0107);澳门特别行政区市政署园林绿化厅研究项目(PD.45/SZVJ/2018)
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