Classification and Inventory of Freshwater Wetlands and Aquatic Habitats in the Selenga River
Delta of Lake Baikal, Russia, Using High-Resolution Satellite Imagery
Charles R. Lane1,*, Oleg Anenkhonov2, Hongxing Liu3,4, Bradley C. Autrey1, and Victor Chepinoga5,6
1
US Environmental Protection Agency, Office of Research and Development, Cincinnati, Ohio USA
2
Russian Academy of Sciences, Institute of General and Experimental Biology, Ulan-Ude, Russia
3
Dynamac Corporation c/o United States Environmental Protection Agency, Cincinnati, Ohio USA
4
University of Cincinnati, Department of Geography, Cincinnati, Ohio USA
5
Irkutsk State University, Department of Botany, Irkutsk, Russia
6
Russian Academy of Sciences, V.B. Sochava Institute of Geography, Laboratory of Biogeography,
Irkutsk, Russia
*E-mail: Lane.Charles@epa.gov Phone: +1-513-569-7854
Table S1: Spectral bands and image acquisition conditions and characteristics of WorldView-2 images.
Image Acquired
Scene 1
Scene 2
Acquisition Time
June 25, 2011
July 03, 2011
Solar elevation angle
60.0
60.1
Solar azimuth angle
161.3
163.6
Off-nadir angle
16
28.5
Panchromatic
WorldView–2 Characteristics
Sensor resolution
46 cm
Sample resolution
50 cm
Wavelength
450-800 nm
Sensor resolution
1.84 m
Sample resolution
2.00 m
Band 1 (coastal)
400-450 nm
Band 2 (blue)
450-510 nm
Band 3 (green)
510-580 nm
Band 4 (yellow)
585-625 nm
Band 5 (red)
630-690 nm
Band 6 (red-edge)
705-745 nm
Band 7 (NIR1)
770-895 nm
Band 8 (NIR2)
860-1040 nm
Multispectral
Table S2: The average abundance of vegetation genera and different habitat types identified across 72
sampling locations in the Selenga River Delta.
Genus/Habitat
Open Water
Nymphoides
Average
Coverage (%)
31.86
13.71
Genus/Habitat
Sparganium
Average
Coverage (%)
1.14
Hordeum
0.69
Thatch
6.60
Salix
0.63
Calamagrostis
6.47
Alopecurus
0.56
Carex
6.19
Amoria
0.49
Equisetum
4.99
Polygonum
0.46
Myriophyllum
2.71
Utricularia
0.36
Potamogeton
2.71
Trifolium
0.35
Scolochloa
2.71
Galeopsis
0.21
Nuphar
2.36
Agrostis
0.14
Phragmites
2.29
Myosotis
0.14
Hippuris
1.67
Sagittaria
0.14
Lemna
1.65
Scirpus
0.14
Bare Ground
1.57
Spirodela
0.14
Ceratophyllum
1.39
Sium
0.07
Eleocharis
1.39
Moehringia
0.04
Algae
1.18
Nymphaea
0.01
Fig. S1: Enlarged WorldView-2 image views for different types of wetland habitats (near infrared false color
composition of bands 7, 5, and 3).
Fig. S2(a-h): Field camera images for different types of wetland habitats: a) Equisetum spp. with Salix spp. in
background; b) Salix spp.; c) Equisetum spp., d) Amoria, Galeopsis, Trifolium sp.; e) Phragmites sp.; f) Lemna,
Ceratophyllum, and Sparganium spp.; g) Nymphoides sp.; h) Potomogeton and Utricularia spp.