CONTENTS (cant'd) 
Applicability of a Systematic Air Photo-interpretation 
Procedure for the Preparation of Large-Scale Soil 
Maps - P.M. Jawade and T.R. Srinivasan 
The Significance of Topographic Relief in Air Photo 
Analysis of Landscape Pattern - P. Gimbarzevsky . 
Forestry Aerial Photo-Interpretation and Resource 
Inventories in India - K.P. Tiwari 
Preliminary Results on the Interpretation of ERTS-1 
Imagery for a Soil Survey of the Merida Region, 
Spain - F.W. Hi'lwig, D. Goosen and D. Katsieris . 
Optimum Ratio Photo-Field Plots for Aerial Volume 
and Aerial Volume Growth Regression Construction - 
D.A. Stellingwerf 
Assessment of Volume Characteristics of Tropical Rain 
Forests on Large-Scale Aerial Photographs - 
P.J.D. Versteegh 
Page 
CONTENTS 
Lai 
157 
The 
165 
177 
Lii 
191 
Ph< 
215 
VEGETAT: 
233 
Im 
WATER AND WETLANDS 
La: 
Lake Eutrophication as Indicated by ERTS Satellite 
Imagery - J.P. Scherz, J.F. Van Domelen, 
K. Holtje and W.L. Johnson 247 
The Use of ERTS Imagery for Lake Classification - 
F.L. Scarpace, R.E. Wade and L.T. Fisher 259 
On the Optimization of the Photo-Interpretation-Remote 
Sensing Processes and Their Applications in the 
Wetlands - the Danube Delta - N. Oprescu, 
V. Calistru, D. Rosculet and L. Turdeanu 273 
Some Possibilities for Operational Calibration of the 
Photo Interpretation-Remote Sensing Data; Some 
Applications in the Wetlands - the Danube Delta - 
N. Oprescu, M. Albota, Ch. Corcodel and 
D. Radulescu 287 
Fo: 
Re i 
SPECIAL 
Te 
Ae 
Spi 
ENVIRONMENTAL MONITORING 
Remote Sensing for Environmental Monitoring and 
Impact Assessment - J. Thie and C. Wachmann 301 
Soil Erosion Toposequences on Aerial Photographs - 
E. Bergsma 317 
Evaluation of the Potential Uses of Earth Resources 
Technology Satellite (ERTS-1) Data for Small Scale 
Terrain Mapping in Canada’s North - A.N. Boydell 329 
Twenty-Five Years of Sequential Photographic Monitoring 
of a Tidal Environment - I.S. Zonneveld 341 
Remote Sensing Applications for Geoecological Studies 
in the High Mountain Environment - H. Haefner . - - * 349 
Forest Fire Spread and Energy Output Determined From 
Low-Altitide Infrared Imagery - B.D. Lawson . . 
De 
Lu 
Ca 
So 
Me 
363