Vegetation dynamics on the fringes of lowland humid tropical rainforest of south-western Nigeria - an assessment of environmental change with air photos and Landsat TM

aerial surveying capteur colonisation rurale deforestation ecological succession fotografia grasslands herbage humid zones imagerie imagery landsat nigeria photographie photography plant succession praderas procedimiento de la encuesta remote sensing rural settlement sabanas satellite satellites savane sensores sensors surveying thematic mapper tropical zones zona tropical zone humide zone tropicale