Strategic Environmental Planning and Management for the Peri-urban Interface Research Project ENVIRONMENTAL PROBLEMS AND OPPORTUNITIES OF THE PERI-URBAN INTERFACE AND THEIR IMPACT UPON THE POOR Adriana Allen with Nilvo L. A. da Silva and Enrico Corubolo Draft for Discussion March 1999 For more information, please contact: Peri-urban Research Project Team Development Planning Unit University College London 9 Endsleigh Gardens London WC1H 0ED United Kingdom Tel. +44 (0) 20 7388 7581 Fax: +44 (0) 20 7387 4541 E-mail project:
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[email protected] PUI website: http://www.ucl.ac.uk/dpu/pui The Development Planning Unit Disclaimer: The UK Department for International Development (DFID) supports policies, programmes and projects to promote international development. DFID provided funds for this study as part of that objective but the views and opinions expressed are those of the authors alone. Development Planning Unit Peri-urban Interface Project TABLE OF CONTENTS 1. INTRODUCTION ........................................................................................................ 1 1.1 What is the Peri-urban Interface (PUI)?....................................................... 3 1.1.1 The PUI as the Periphery of the City .................................................... 3 1.1.2 The PUI as a Socio-economic System ................................................. 4 1.1.3 The PUI as the Interaction of Rural-urban Flows.................................. 4 1.2 The PUI as a Particular Ecological and Socio-economic System............. 5 2. PRESSURES GIVING RISE TO ENVIRONMENTAL CHANGE IN THE PUI............ 8 2.1 Speed and Nature of Change ....................................................................... 8 2.2 Urban – Rural Flows and Interactions......................................................... 9 2.3 Carrying Capacity and Ecological Footprint............................................. 10 2.4 Institutional Landscape .............................................................................. 11 3.