DOI: 10.1016/j.jag.2013.06.007
Scopus记录号: 2-s2.0-84897881272
论文题名: Mapping the heterogeneity of natural and semi-natural landscapes
作者: Ali A ; , de Bie C ; A ; J ; M ; , Skidmore A ; K ; , Scarrott R ; G ; , Lymberakis P
刊名: International Journal of Applied Earth Observation and Geoinformation
ISSN: 15698432
出版年: 2014
卷: 26, 期: 1 起始页码: 176
结束页码: 183
语种: 英语
英文关键词: Heterogeneity
; Hyper-temporal
; Landscape
; Mapping
; MODIS
; NDVI
Scopus关键词: heterogeneity
; image analysis
; image classification
; land cover
; landscape ecology
; landscape structure
; mapping
; MODIS
; NDVI
; spatiotemporal analysis
; Aegean Islands
; Crete [Greece]
; Greece
英文摘要: Natural and semi-natural landscape cover is heterogeneous. Ideally, mapping land cover requires anapproach that represents both gradients and land covers spatiotemporal variability. These aspects canbe visualized and depicted by applying a new spatio-temporal analysis based Landscape HeterogeneityMapping (LaHMa) method to natural and semi-natural landscapes. Using MODIS NDVI 16-day imagery(February 2000-July 2009) for Crete, a 65-cluster image was selected from ISODATA classification resultsusing the separability values of the divergence statistics. The 65 clusters appropriately generalize thespatial and temporal variability in land cover. Using classified outputs from 10 to 65 clusters, the frequency of pixels identified as boundaries of homogeneous land cover classes was translated into theform of a landscape heterogeneity map, which was then validated using field data. The results show thatthe heterogeneity map had moderate correlation (R2= 0.60 and 0.63 in two transects) with the sum ofdifferences between neighbouring transect pixels in all land cover components. In general, the studyfound this new approach (LaHMa) to be suitable for mapping landscape heterogeneity in the natural andsemi-natural landscape of Crete, Greece. The new method appears to be of potential use for informinggradient analyses in landscape ecological studies. © 2013 Elsevier B.V. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/79744
Appears in Collections: 气候变化事实与影响
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作者单位: Faculty of Geo-Information Science and Earth Observation (ITC), University of Twente, P.O. Box 217, 7500 AE Enschede, Netherlands; Pakistan Space and Upper Atmosphere Research Commission (SUPARCO), Sector 28, Gulzar-e-Hijri, Karachi 75270, Pakistan; Coastal and Marine Research Centre, Environmental Research Institute, University College Cork, County Cork, Ireland; Natural History Museum of Crete, University of Crete, P.O. Box 2208, GR-71409 Irakleio, Crete, Greece
Recommended Citation:
Ali A,, de Bie C,A,et al. Mapping the heterogeneity of natural and semi-natural landscapes[J]. International Journal of Applied Earth Observation and Geoinformation,2014-01-01,26(1)