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Chapter 7

GGR361H5 Chapter Notes - Chapter 7: Urban Agriculture, Urban Ecology, Dune

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Alan Walks

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GGR361 – Chapter 7
Patrick Geddes’s Regional View: The Cross-Section
He taught us to consider human settlements from a regional perspective, using a
cross-section through a valley
Different locations in the valley section were suited to different types of human
activity – mining and quarrying in the mountains, forestry on the slopes, farming
in the valley etc.
Ian McHarg’s Layers
Used Geddes’s transects to analyze some natural environments, such as a
coastal dune or river valley
City Form and Natural process
Michael Hough considered natural systems at a wider metropolitan scale
He suggests that planners consider urban ecology as a basis for community
design, using the following categories: climate, energy, water, wildlife, plants,
urban agriculture
Land Use and the Built Environment
One can distinguish the built environment of communities from that of, for
example, an agricultural area by the prevalence of structures and other forms of
development of the ground space for activities of people
Community land use can be best understood by separating it into three basic
components: (1) physical facilities that require space (2) activities of people that
use space (3) the functions that the land serves
These in turn are mediated in terms of three main dimensions that determine a
community’s land use patterns and the trends in patterns: location, intensity,
and amount of land required
Components of Community Land Use
One of the important characteristics of a city is its diversity
Planners have devised ways, despite this diversity, of classifying the observations
they make about the land uses:
1. Facilities: a description of the physical alterations made to parcels of land
and public rights of way, especially buildings and other structural features
2. Activities: a description of what actually takes place on parcels of land in
public spaces
3. Functions: a description of the basic purpose of an enterprise or
establishment located on a parcel of land
Land Use at Different Scales
Land use also occurs at different scales or spatial levels
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