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FEATURE

A Review of Urban Water Body Challenges and Approaches: (2) Mitigating Effects of Future Urbanization

Revisión de Enfoques y Retos del Estudio de Cuerpos de Agua Urbanos: (2) Mitigación de los Efectos de la Urbanización en el Futuro

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Pages 30-40 | Published online: 24 Jan 2014
 

Abstract

Previously we examined how degraded urban streams can be rehabilitated, with emphasis on identifying solutions that match the scale of the problems (CitationHughes et al. 2014). Our findings showed that rehabilitation techniques are challenging but that some environmental benefits can nearly always be obtained regardless of existing conditions. Although rehabilitation is useful in many present-day situations, biologists need to consider the future and think about ways of preventing or reducing future environmental damage. We need to reduce future damage because urban areas are likely to expand greatly over the next century; if historical patterns continue, the number and length of streams experiencing urban stream syndrome will increase, with resulting high repair costs. However, there are several ways of avoiding or mitigating damage that are not only cost effective but provide benefits to humans and urban ecosystems.

RESUMEN

previamente se examinó cómo los ríos urbanos degradados pueden ser rehabilitados, con énfasis en la identificación de soluciones consistentes con la escala de los problemas. Los hallazgos mostraron que las técnicas de rehabilitación si bien presentan un reto, casi siempre puede obtenerse un margen de beneficios ambientales indepen-dientemente de las condiciones imperantes. Pese a que la rehabilitación puede ser útil en muchas de las situaciones actuales, los biólogos necesitan tomar en cuenta el futuro e idear formas para prevenir o reducir el daño ambiental. Esta reducción resulta indispensable toda vez que se espera que las áreas urbanas se expandan de forma importante en el siguiente siglo; de continuar los patrones históricos, se incrementará el número y extensión de los caudales que sufren del síndrome del río urbano, lo que dará como resultado elevados costos de reparación. No obstante, existen diversas formas para evitar o mitigar los daños; formas que no solo son efectivas en términos de costos sino que también proveen beneficios tanto a los humanos como a los ecosistemas urbanos.

ACKNOWLEDGMENTS

Funding for this article was provided by the Pacific Coastal Salmon Recovery Fund via the Oregon Watershed Enhancement Board to Oregon's Independent Multidisciplinary Science Team. Bill Stapp provided the philosophy and many of the insights and motivation for writing this article. Prior drafts received constructive reviews by Carlos Alves, George Pess, Les Stanfield, and three anonymous reviewers. C. Schreck and J. Schaeffer contributed to development of the manuscript.

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