TY - JOUR N2 - Solar radiation reflectance was analysed to characterize Arctic ornithogenic tundra developing in the vicinity of large breeding colony of Brunnich‘s guillemots Uria lomvia and kittiwakes Rissa tridactyla at the foot of Gnĺlberget cliff (Hornsund, SW Spitsbergen). Radiometric method was found to be a useful tool for studying structure and functioning of plant formations. We measured reflectance of four wavelengths: 554 nm (YG), 655 nm (RED), 870 nm (NIR) and 1650 nm (SWIR) at 10 plots situated along the transect running from the colony to the sea. Moreover, data of plant community character, species quantitative composition as well as total biomass were collected to relate these parameters with the spectral values. The results showed that radiometric data characterized vegetation well enough to recognize the same plant communities on the basis of spectral reflectance as distinguished with traditional phytosociological methods. L1 - http://www.czasopisma.pan.pl/Content/110550/PDF/PPR30-249.pdf L2 - http://www.czasopisma.pan.pl/Content/110550 PY - 2009 IS - No 3 EP - 262 KW - Arctic KW - Spitsbergen KW - ornithogenic tundra KW - radiometric characteristics KW - spectral reflectance A1 - Zmudczyńska, Katarzyna A1 - Zwolicki, Adrian A1 - Barcikowski, Mateusz A1 - Barcikowski, Adam A1 - Stempniewicz, Lech PB - Polish Academy of Sciences PB - Committee on Polar Research VL - vol. 30 DA - 2009 T1 - Spectral characteristics of the Arctic ornithogenic tundra vegetation in Hornsund area, SW Spitsbergen SP - 249 UR - http://www.czasopisma.pan.pl/dlibra/publication/edition/110550 T2 - Polish Polar Research ER -