Kupfer J A, Cairns D M. The suitability of montane ecotones as indicators of global climatic changes[J]. Progress in Physical Geography,1996,20(3):253-272.
[2]
Mast J N, Veblen T T, Linhart Y B. Tree invasion within a pine/grassland ecotone: an approach with historic aerial photography and GIS modelling[J]. Forest Ecology and Management,1997,93(3): 181-194.
[3]
Carter V, Gammon P T, Garrett M K. Ecotone dynamics and boundary determination in the great dismal swamp[J]. Ecological Application,1994,4(1):189-203.
[4]
Roman C T, Zampella R A, Jaworkski A Z. Wetland boundaries in New Jersey pineland: ecological relationships and delineation[J]. Water Resources Bulletin,1985,21(6):1005-1012.
[5]
Baker W L, Honaker J J, Weisberg P T. Using Aerial Photography and GIS to map the forest-tundra ecotone in Rochy Mountain National Park. Colorado for global change research. Photogrammetric Engineering and Remote Sensing,1995, 61(3):313-320.
[6]
Johnston C A, Bonde T. Quantitative analysis of ecotones using Geographic Information System[J]. Photogrammetric Engineering and Remote Sensing,1989,55(11):1643-1647.
[7]
McGregor S J. An integrated geographic information system approach for modelling the suitbility of conifer habit in an alpine environment[J]. Geomorphology, 1998,21(3-4):265-280.
[8]
Metzger J P, Muller E. Characterizing the complexity of landscape boundaries by remote sensing[J]. Landscape Ecology, 1996, 11:65-77.
[9]
Ludwig J A, Cornelius J M. Locating discontinuities along ecological gradients[J]. Ecology, 1987,68(2):448-450.
[10]
Whittaker R H. Vegetation of the Siskiyou Mountains. Oregon and California[J]. Ecol Monogr,1960,30:279-338.
[11]
Webster R. Automatic soil-boundary location from transect data. Math Geol, 1973, 5:27-37.
[12]
Webster R, Wong I F T. A numerical procedure for testing soil boundaries interpreted from air photographs[J]. Photogrammetria,1969,24:59-72.
[13]
Wierenga, Hendrickx J M H, Nash M H. Variation of soil and vegetation with distance along a transect in the Chihuahuan Desert[J]. J Arid. Environ,1987,13:53-63.
[14]
Brunt J W, Conley W. Behavior of a multivariate algorithm for ecological edge detection[J]. Ecol. Modelling,1990,49:179-203.
[15]
Turner M G, S J O'Neill R V, Conley W. Pattern and scale: statistics for landscape ecology[A]. In Turner MG, Gardner RH (eds). Quantitative methods in landscape ecology[M]. New York: Springer-Verlag, 1991. 17-49.
