Animal Shelter Hartford CT

Nature in the city (urban geography)

May 7, 2013 – 00:00

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"Give as a research nature in the city ultimately results in breaking the usual idea of" city ", to renew deeply definition. Indeed, what matters is to compare the two approaches described above, the objectification of the naturalness of urban areas, the subjectivity of the cultures of the nature of each city. "

Rethink the nature in the city: a challenge for geography Nicole MATHIEU FIG St Die des Vosges 1999

Long associated with the countryside, nature is also part of the city. Urban dominate the world and their idea of nature is often forged by its presence (or lack thereof in the city).

Nature in the city, it is not only the alignment shaft or bad grass wandering along the streets or in flower beds or in the parks, but also domestic animals and wildlife. It is also the ignorance of mechanisms or the vagaries of nature that leads to "natural" disasters.

Increasing the presence of urban biodiversity is recognized and sought in the context of sustainable development.

What are the issues of the nature of interaction of the city, what is the place of gardens, plant in the city today? Why do they demand more urban nature for their city and their neighborhoods? What is the role of nature in sustainable city?

I The presence of nature in the city:

The city refers to the image of the device, technical and industrial expertise that is reflected in the landscape dominated by concrete, asphalt, glass and steel. The city is increasingly associated with urban pollution such as air pollution, noise, ugly neglected.

Wild or domesticated, nature is everywhere in the city, however, through the water, vegetation and wildlife (the cockroach to the zoo animals, through the simple sparrow).

For urban dwellers, nature is in the countryside, forests, mountains or the coast. It is associated with the idea of ​​the wild, the Edenic virginity and yet Central Park (New York) in Luxembourg garden (Paris), Curitiba (Brazil) bubbles with exotic aquatic parks in Japan, nature (or its staging) is present.

Human activities have transformed the urban environment creating a new ecosystem in which however the same rules apply.

The question of the nature in the city is not only aesthetic, hygienic or emotional (the songs of birds, the smell of flowers) is also linked to natural processes such as rain, snow, wind, storm .

II Urban Ecosystem Approaches:

If we take the case of climate, we realize that the city changes the natural data. A heat island, a disruption of the flow of air or soil sealing can trigger flood, tornado or severe thunderstorms in the heart of the metropolis process. The architect or builder has long neglected or forgotten adaptation of buildings in climate, too little urban planning, architectural projects include bioclimatic data. If the traditional buildings of Mediterranean and Arab cities took the sunshine factor into account, modern cities with their glass facades and forced air have forgotten some of the principles of traditional architecture which provided a breakdown or natural shade.

Green roofs grow, they can limit the urban heat island, filter or of retaining rainwater, regulate the temperature of buildings. The green roofs could improve air quality in cities. A study in Manchester shows that if the roofs of the city were covered with sedum - a small succulent plant which is currently the star of green roofs, they could trap each year not less than 210 kg of fine particles (PM10).


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