|Table of Contents|

The Current Situation and Protection Strategy of Amphibian Diversityin the Densely-Populated Area of Ningde,Fujian Province(PDF)

《南京师大学报（自然科学版）》[ISSN:1001-4616/CN:32-1239/N]

Issue:
2021年02期
Page:
85-91
Research Field:
·生态学·
Publishing date:

Info

Title:
The Current Situation and Protection Strategy of Amphibian Diversityin the Densely-Populated Area of Ningde,Fujian Province
Author(s):
Chen Chen; Zhu Lin; Zhong Jun; Ji Xiang
School of Life Sciences,Nanjing Normal University,Nanjing 210023,China
Keywords:
species diversity; amphibians; line transect method; densely-populated area; Ningde; Fujian
PACS:
Q89,X176
DOI:
10.3969/j.issn.1001-4616.2021.02.013
Abstract:
Amphibians,because of their ecological function and position in the nutritional structure,have become one of the most important taxa in the ecosystem,playing a critical role in maintaining community structure and ecological stability. Monitoring and analyzing amphibian diversity are of importance in obtaining accurate information about their population dynamics and the main factors affecting such dynamics. In this study,ten sampling lines of four types(farmland,road,pond and stream)set up in the densely-populated area of Ningde,Fujian,East China,were surveyed thrice in April,June and August 2018 for amphibians. We quantified species diversity and its seasonal variation by calculating Shannon-Wiener,Simpson and Pielou indices based on data collected in the three months. We also assessed the anthropogenic impact on species biodiversity in this densely-populated area. A total of 513 amphibians were observed in the survey,and these individuals belonged to one order,five families,nine genera and ten species. All the ten species are protected due to their scientific,economic and/or social values,with Hoplobatrachus rugulosus being the only second-class protected and vulnerable(VU)animal. Fejervarya multistriata,Duttaphrynus melanostictus,and Hylarana guentheri were the three dominant species in this area. Seasonal changes in species diversity were evident,with the greatest diversity index recorded in June. Our data allow the following conclusions. Firstly,the alternating occurrence of species coincides with the life cycle. Secondly,the area we sampled is suitable for amphibians to survive. Thirdly,interspecific competition is not strong,and anthropogenic impact is a factor affecting the distribution of amphibians as revealed by the positive correlation between geographical distance from human habitation and species diversity in this area. Considering the local economic development and distribution pattern of amphibians,we proposed several strategies for protection of amphibian diversity in this densely-populated area.

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Last Update: 2021-06-30