Much of the country's recent population growth is situated in
exurban areas. By many accounts exurbanization has become the
dominant pattern of land development in the country and there is no
indication it will slow in the foreseeable future (Theobald 2005;
Brown et al. 2005; Glennon and Kretser 2005). By definition,
exurban development takes place beyond the metropolitan fringe,
often in rural and remote areas. The development of new exurban
communities is a growing trend, especially in the West. In this
case, developers and homebuilders seek large tracts of land, up to
thousands of acres, in rural areas (typically within 50 miles of a
large city) where they plan entire communities consisting of
commercial, retail and residential land uses. Recreational
amenities such as golf courses and hiking/biking trails are often
included in these master-planned developments.
Our philosophy is reflected in the book's two objectives. First,
we seek to document the extent and impacts of exurban development
across the country. At issue is demonstrating why planners and the
public-at-large should be concerned about exurbanization. We will
demonstrate that even though exurbanization favors amenity rich
regions, it affects all areas of the country through the loss of
agricultural and grazing lands, impacts to watersheds and land
modification. A summary of environmental impacts is presented,
including the loss of wildlands and agricultural productivity, land
modification, soil erosion, impacts to terrestrial hydrologic
systems, the loss of biodiversity, nonnative and endangered species
and other topics.
Our second aim is to provide readers from diverse
(nonscientific) backgrounds with a working knowledge of how and why
exurbanization impacts environmental systems. This is accomplished
by working closely to ensure contributors follow a specific outline
for each chapter. First, contributors will spell out fundamental
concepts, principles and processes that apply to their area of
expertise (e.g., riparian areas). Contributors will move beyond a
cursory understanding of ecological processes without overwhelming
readers with the dense material found typically in specialized
texts. For this reason, visuals and other support materials will be
integral to each chapter. We have chosen contributors carefully
based on their record as research scientists and acumen as
educators. Second, once the mechanics have been laid out, authors
will explain how and why land development in nearby areas
influences ecosystems. Issues of interdependency, modification and
adaptation, spatial scale and varying time horizons will be
featured. Third, contributors will weigh in on the pros and cons of
various land-development schemes. Fourth, authors will share their
thinking on the merits of conservation devices such as wildlife
corridors, open-space requirements and watershed management
districts. Finally, each chapter will conclude by identifying
pitfalls to avoid and highlighting "best practices" that will
mitigate environmental problems or avoid them altogether. In sum,
after completing each chapter, readers should have a firm grasp of
relevant concepts and processes, an understanding of current
research and know how to apply science to land-use decisions.
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