Modeling driving forces of avian diversity in a spatial configuration surrounded by farm ponds

Wei Ta Fang, Bai You Cheng, Shang Shu Shih, Jui-Yu Chou, Marinus L. Otte

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Farm ponds provide a home for birds and numerous species of aquatic animals in Taoyuan, Taiwan. Urbanization and development of infrastructure resulted in the gradual disappearance of these ponds. Currently, only 3800 ponds originally approximately 15.4 % remain, and 84.6 % of the surface area of the ponds has vanished. Aiming to protect avian diversity, this study used logistic regression analysis and the geostatistical approach to analyze the relationship between avian diversity and landscape structure, in an effort to elucidate the spatial driving force of avian diversity. We detected that regression-kriging (RK) was even more accurate than logistic regression (LR). In addition, the value of diversity (H′) measures may decrease instead of increase when evenness (J′) is increased. The results of this study also indicated that an exceedingly strong relationship existed among avian diversity and landscape scale, agricultural landscape indices, and pond landscape indices. The models predict that preservation of large areas of waterscapes and paddy landscapes result in greater diversity of avian species. Spatial estimation of the research area indicated that human activity substantially affected avian ecology, leading to reductions in avian diversity. Thus, the reduction of the area of ecological corridors due to urban development is expected to further reduce avian diversity in the Taoyuan region. Our approach can be used to effectively analyze the correlations between characteristics of ecosystems and the environmental landscape, to ensure that pondscapes can be appropriately maintained and ecological reserves designated to prevent further decline in avian diversity.

Original languageEnglish
Pages (from-to)185-197
Number of pages13
JournalPaddy and Water Environment
Volume14
Issue number1
DOIs
Publication statusPublished - 2016 Jan 1

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farm ponds
Ponds
Farms
pond
farm
modeling
Logistics
logistics
biological corridors
landscape structure
Birds
Ecology
kriging
urban development
Regression analysis
Ecosystems
urbanization
regression analysis
Animals
infrastructure

All Science Journal Classification (ASJC) codes

  • Environmental Engineering
  • Agronomy and Crop Science
  • Water Science and Technology

Cite this

Fang, Wei Ta ; Cheng, Bai You ; Shih, Shang Shu ; Chou, Jui-Yu ; Otte, Marinus L. / Modeling driving forces of avian diversity in a spatial configuration surrounded by farm ponds. In: Paddy and Water Environment. 2016 ; Vol. 14, No. 1. pp. 185-197.
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Modeling driving forces of avian diversity in a spatial configuration surrounded by farm ponds. / Fang, Wei Ta; Cheng, Bai You; Shih, Shang Shu; Chou, Jui-Yu; Otte, Marinus L.

In: Paddy and Water Environment, Vol. 14, No. 1, 01.01.2016, p. 185-197.

Research output: Contribution to journalArticle

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