Download e-book for kindle: Constructed climates : a primer on urban environments by William G. Wilson

By William G. Wilson

ISBN-10: 0226901475

ISBN-13: 9780226901473

As our global turns into more and more urbanized, an figuring out of the context, mechanisms, and outcomes of urban and suburban environments turns into extra severe. with out a feel of what open areas resembling parks and gardens give a contribution, it’s tricky to argue for his or her construction and upkeep: within the face of faculties desiring assets, roads and sewers wanting upkeep, and folks pain by the hands of others, why should still towns and counties spend scarce funds planting bushes and retaining parks?

           

In Constructed Climates, ecologist William G. Wilson demonstrates the price of city eco-friendly. Focusing particularly at the position of plants and timber, Wilson indicates the prices and merits reaped from city open areas, from cooler temperatures to raised caliber flooring water—and why all of it concerns. whereas Constructed Climates is a piece of technology, it doesn't forget about the social part. Wilson seems at low-income parts that experience bad crops, and indicates how improving those components in the course of the planting of neighborhood gardens and bushes can alleviate social ills. This e-book could be crucial analyzing for environmentalists and someone making judgements for the character and health and wellbeing of our towns and citizens.

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In Seattle, Washington, bird species richness decreases drastically with increasing urban landcover over 1 km2 areas (after Donnelly and Marzluff 2006). Habitat fragmentation associated with urbanization creates small forest patches, which hold a greater abundance of ticks infected with the bacterium causing Lyme disease (after Allan et al. 2003). CHAPTER 1. 8). 35 In these areas, researchers counted birds on 48 transects covering 480 square kilometers, with each transect sampled 29 times, roughly balanced between winter and summer.

27 Lots of people means growing lots of food, and we just can’t get around that fact. Does adding nitrogen make economic sense to farmers? Fertilizer prices for agriculture over the last few years were around $400 per ton (or 900 kg). 28 This level provided about 400 g/m2 yield gain, or 63 bushels/acre. At $3/bushel for corn, the economic benefit reaches $190/acre, a return of about $5 for every $1 spent. A farmer planting 1,000 acres of corn needs that $200,000. 5. 30 The resulting high-efficiency farming methods prompted the land-use changes shown next.

Considering the concomitant population increase, that change corresponds to what one expects from a North American urban heat island. Urban heat islands can change weather patterns at local, regional, and continental scales, from shifting the time of day that precipitation occurs to inducing localized thunderstorms. Studies from Atlanta, Georgia, for example, even demonstrate that more lightning strikes take place in urbanized areas compared with outlying regions, and lightning strike data suggest a similar pattern for urban areas of Durham County.

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Constructed climates : a primer on urban environments by William G. Wilson


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