Mapping and assessing spatial multiscale variations of birds associated with urban environments in metropolitan Taipei, Taiwan

Yun Bin Lin, Yu Pin Lin, Wei-Ta Fang

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Environmental change can be monitored and assessed by analyzing changes in bird populations. This study employed multivariate factorial kriging (MFK) to determine the multiscale changes in the distribution of five commonly observed bird species to urban environmental change. Areas of metropolitan Taipei were analyzed to determine the extent and effect of land cover. A digital elevation model and normalized difference vegetation index were also constructed. Spatial patterns of variation in bird populations were analyzed by MFK at a regional scale (16 km) and local scale (2 km). Comparison of MFK results with those obtained by conventional principal component analysis (PCA) and correspondence analysis (CA) showed that the conventional PCA results were comparable to the MFK results at the local scale, and the CA results were comparable to MFK results at the regional scale. The MFK indicated that local-scale variation accounts for a larger proportion of the total variation than regional-scale variation, and local-scale variation is affected by more factors than regional scale variation. The MFK results also showed that heterogeneous elevation exerts a geographical influence on bird populations at the regional scale whereas the land cover of urban meadows in densely populated urban areas of Taipei exerts a local influence. The suburban trees and meadows in belt regions between suburbs have local and regional influences on bird distributions, respectively. The spatial patterns of bird populations in response to urban environments can be adequately explained by their diet categories and body sizes. The MFK, which simultaneously provides descriptive variations and spatial patterns in species at determinate scales, facilitates environmental interpretations of ordination results and identification of determinants for conservation efforts at multiple scales.

Original languageEnglish
Pages (from-to)209-226
Number of pages18
JournalEnvironmental Monitoring and Assessment
Volume145
Issue number1-3
DOIs
Publication statusPublished - 2008 Jan 14

Fingerprint

Birds
kriging
spatial variation
bird
Principal component analysis
correspondence analysis
meadow
principal component analysis
environmental change
land cover
Nutrition
Conservation
ordination
NDVI
digital elevation model
body size
urban area
diet

Keywords

  • Correspondence analysis
  • DEM
  • Land cover
  • Multivariate factorial kriging
  • NDVI
  • Principal component analysis
  • Species-environment relationships

ASJC Scopus subject areas

  • Environmental Science(all)
  • Pollution
  • Management, Monitoring, Policy and Law

Cite this

Mapping and assessing spatial multiscale variations of birds associated with urban environments in metropolitan Taipei, Taiwan. / Lin, Yun Bin; Lin, Yu Pin; Fang, Wei-Ta.

In: Environmental Monitoring and Assessment, Vol. 145, No. 1-3, 14.01.2008, p. 209-226.

Research output: Contribution to journalArticle

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