21. Concepts of control of the urban expansion are considered in the American Institute of Planners. 22. After World War II, rapid urban expansion occurred in the northern reaches of the watershed. 23. Mangroves are vulnerable to clearance for timber, urban expansion , overfishing, and erosion in the highlands. 24. Some of Santa Rosa's urban expansion is taking place to the east of this ridge. 25. Illingworth is one of the Halifax villages that have all become suburbs through urban expansion . 26. In ancient times in Albaro were some other churches, no longer existing due to urban expansion . 27. However, urban expansion , land reclamation and drainage have led to Brighton being swallowed by Christchurch city. 28. To the west the presence of the arroyo of the Pozo has prevented further urban expansion . 29. Urban expansion in these areas triggers specific problems.30. As a result, Stratford experienced an increase in trade and commerce as well as urban expansion .
