Quantifying deforestation and secondary forest determinants for different spatial extents in an Amazonian colonization frontier (Rondonia) |
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| Authors: | Luciana de Souza Soler Maria Isabel S Escada Peter H Verburg |
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| Institution: | 1. Land Dynamics Group, Wageningen University, P.O. Box 47, 6700 AA Wageningen, The Netherlands;2. National Institute for Space Research – INPE, Image Processing Division, Av. dos Astronautas 1758, 12227 010 São José dos Campos-SP, Brazil;1. Department of Chemistry, Shahid Bahonar University of Kerman, Kerman, Iran;2. Department of Polymer, Science and Research Branch, Islamic Azad University, Yazd, Iran;3. Young Researchers Society, Shahid Bahonar University of Kerman, P.O. Box 76175-133, Kerman, Iran;1. Department of Invertebrates, Royal Belgian Institute of Natural Sciences, B-1000 Brussels, Belgium;2. Laboratoire de Biologie marine, Université Libre de Bruxelles, B-1050 Brussels, Belgium;3. Aix-Marseille Université and Centre Interdisciplinaire de Nanosciences de Marseille (CINaM), Campus de Luminy, F-13288 Marseille, France;1. Department of Pathology, Faculty of Medicine, Minia University, Minia, Egypt;2. Department of Urology, Faculty of Medicine, Minia University, Minia, Egypt;1. VU University, De Boelelaan 1085, 1081HV Amsterdam, The Netherlands;2. Universidade Federal do Amazonas (UFAM), Instituto de Educação, Agricultura e Ambiente – IEAA, Rua 29 de Agosto, 786 Bairro Centro, CEP: 69800-000, Humaitá, AM, Brazil;3. Alterra, Droevendaalsesteeg 3, Wageningen, The Netherlands;4. Biogeochemistry Department, Max Planck Institute for Chemistry, Hahn-Meitner-Weg 1, 55128 Mainz, Germany;5. Instituto Nacional de Pesquisas da Amazônia (INPA), Av. André Araújo, 2936 Campus 2, CEP: 69060-020, Manaus, AM, Brazil |
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| Abstract: | Spatial patterns of deforested areas and secondary forest are analyzed in terms of the spatial variation in location factors at different spatial extents. The spatial extents considered are old and new agrarian colonization projects and the administrative units of two different municipalities in Rondonia: Vale do Anari and Machadinho d'Oeste. A grid database was constructed including land cover and potential location factors based on biophysical, accessibility, socioeconomic and policy data. Results of the spatial analyses confirmed the hypothesis that different extents yield different relationships between land use/cover patterns and their location factors, particularly between old and new agrarian colonization projects. It emphasizes that current patterns of forest, secondary forest and pasture/agriculture can only be understood with a combination of policy, accessibility, biophysical and socioeconomic factors while accounting for the historical pathways of change. Because we are dealing with different trajectories of land use/cover change, static analysis of the spatial pattern without acknowledging these trajectories will lead to erroneous interpretations of the current and future land use/cover dynamics. |
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