where there is human occupation, due to the very friable 
underground 
6. REFERENCES 
Bittencourt Netto, O., 1979. The mapping of natural 
resources by side-scan radar in Brazil. Mining Magazine, 
354-359. 
BRASIL, 1976. Ministério das Minas e Energia, DNPM, 
Projeto Radambrasil, Levantamento de Recursos Naturais 
Vol. 12, Folha SC.19 Rio Branco [Geologia, 
Geomorfologia, Pedologia, Vegetacáo, Uso Potencial da 
Terra], Rio de Janeiro, 460 p. 
Hónsch, H., 1993. Erfassung und Klassifizierung von 
tropischen Regenwaldinformationen und anthropogenen 
Nutzungen anhand von multisensoralen Satellitendaten 
am Beispiel Brasiliens, DLR-FB 93-15, 
Oberpfaffenhofen. 
Keil, M., 1995a. Investigation of Forest Areas in 
Germany and Brazil using SAR Data of the SIR-C/X- 
SAR and other SAR missions. Proceedings IGARSS’95, 
Firenze/Italy, July 10-14, 1995 vol. II, 997-999. 
Keil, M., 1995b. Tropical rainforest investigation in 
Brazil using multitemporal ERS-1 SAR data, Proceedings 
2nd ERS-1 Application Workshop, London Dec. 6-8 
1995. 
Koopmans, B. N., 1983. Side-looking Radar, a Tool for 
Geologic Surveys, Remote Sensing Reviews, vol. 1, part 
1, 19-69. 
Kux, H.J.H.; Ahern, F.J.; Raney, R.K.; Pietsch, R.W.; 
Tittley, B., 1993. The Contribution of SAREX’92 (South 
American Radar Experiment) Campaign to the 
Evaluation of Natural Resources in Tropical Rainforests, 
Proceedings 16th Canadian Symposium on Remote 
Sensing, Sherbrooke/Québec, June 7-10 1993: 53-60. 
Kux, H.J.H.; Ahern, F.J., Pietsch, R.W., 1995. Evaluation 
of radar remote sensing for natural resource management 
in the tropical rainforests of Acre State, Brazil, Canadian 
J. of Remote Sensing, vol.2 (4), Dec. 1995: 430-440. 
Nelson, B.W., 1994. Inventário floristico e fisionómico 
da Amazónia: tendencia de amostragem nos herbários e o 
potencial do Sensoriamento Remoto, Doctoral Thesis, 
INPA/UA (INPA/Universidade do Amazonas), 126 p. 
PMACI I, 1990. SEPLAN/IBGE/IPES Projeto de 
Protecáo do Meio Ambiente e das Comunidades 
Indígenas: |Diagnóstico  Geoambiental € . Sócio- 
Económico. Área de Influencia da BR-364 trecho Porto 
Velho-Rio Branco, Rio de Janeiro, 132 p. 
396 
Santos, J.R.; Kux, H.J.H.; Lacruz, M.S.P.; Keil, M; 
Scales, D.R., 1996. Interactive Analysis Of Polarimetrie 
SIR-C and Landsat TM data for the Spectral-Textur] 
Characterization of the Land Cover in SW Amazonia 
(this ISPRS Symposium). 
Trevett, J.W., 1986. Imaging Radar for Resources 
Surveys, Chapman & Hall, London, 313 p. 
International Archives of Photogrammetry and Remote Sensing. Vol. XXXI, Part B7. Vienna 1996