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THE GENERAL PLAN
Figure 3: Wildlife Corridors
Conservation and Open Space
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Figure 3:
Wildlife Corridors
City Limit
® Greenbelt
— Creeks
® Wltlllle Zones
Wildlife Corridors
•- — r Linear Barrier
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(d) Valley Foraging Habitats (Grasslands and Grazing Lands)
As valley grasslands are underlain by rich soils, they once supported the
greatest abundance of life. Soils on the hillsides are thinner, and do not
support the same biotic carrying capacity. The grasslands around the city of
San Luis Obispo support many animals besides domestic cattle. Many have
seen deer grazing in the fields opposite the Men's Colony or on the flanks of
San Luis Mountain and Bishop Peak. There is a common misconception that
grasslands have no value since they lack the visual poetry of trees. Thus
they have usually become the default. environment for development, and
historically were the first to be converted to agriculture.
As a matter of policy, the City should endeavor to retain some grasslands
and other valley floor habitat as part of the open space to maintain as high a
biodiversity as possible. These habitats can be preserved -in association with
other land uses, as corridors between clustered development or as grazing -
limited conservation easements. Even golf courses, which use up large
amounts of land but provide very little or no habitat value, could develop
native grassland corridors or in other ways enhance themselves to become a
link in a grassland corridor. Much of the grassland around the city is
currently dominated by exotic European species, but could be;restored to
native grasses and to higher wildlife value. In spite of the dominance by
exotic plants, many of the grasslands still function as valuable habitat.
(e) Oak Woodlands, Scrublands, and Hillside Grassland and Chaparral
The hills surrounding the city are covered by an intermeshed association of
communities. In the sheltered valleys and the moister, northern flanks of the
hills are the Coast Live Oak woodlands. On the poorer soils and the hotter,
south -facing slopes are scrublands and chaparrals, and patches of grassland.
Many of these habitats are relatively undisturbed by man, -due to their
inaccessibility, their steepness, and relatively low impacts from -cattle
compared to the grasslands. They support different types of birds and
animals than the flatlands. It should become City policy to preserve much of
the vegetation on the steeper slopes, and to preserve as much of the mosaic
of these diverse plant communities as possible, particularly in association
with wildlife corridors.
(f) Wildlife Migration Corridors
One of the most commonly overlooked aspects of habitat conservation is the
wildlife corridor, usually because the values of the corridor lie beyond the
boundaries of the section of land being evaluated. In the San Luis Obispo
watershed area, wildlife connection is required between the diverse
geographical elements of the surrounding landscape.
EQTF Sustainability Recommendations Page 17
Within the city, there has been little attention paid to wildlife corridors, such
as those linking mountains to valley creeks. Often city planning policies
undercut the needs of wildlife. (For example, the General Plan and zoning
allow residential development, that would block the corridor, on a parcel in
the best corridor linking the east side of San Luis Mountain with the creek
system, in the 100 block of Broad Street).
(In the larger regional landscape animals must move from the Irish Hills to the
Edna Valley, from the Santa Lucia Mountains to Cerro San Luis Obispo, from
east to west and frpm north to south around the city. There is still open
country around the city, and the problem appears to be restricted to freeway
survival skills, but in a few decades the Irish Hills and Morros could be as
isolated as the Palos Verdes Peninsula. We have a responsibility to future
generations to guarantee the presence of healthy and varied wildlife, and for
that we must prevent the genetic isolation of wildlife populations. The City,
in establishing a green belt around itself, should use its powers to provide
relatively safe animal passage across this belt. The wider the space for
passage, the more varied the travelers will be. If sufficiently sized, travelers
could include deer, fox, coyote, possum, raccoon, bobcat, cougar, and even
bear.
Corridors can be maintained by preventing strip development, which acts as
a barrier, and by providing ample opportunities for wildlife to cross major
transportation routes. Already a significant portion of the northwest -
southeast movement of bear and cat is becoming bottlenecked into the
Cuesta Pass area.
The opportunities for values conflicts along a wildlife corridor are many.
Open space reserved around the City may also be considered a scenic
resource that may not overlay the most valuable lands from the ecological
standpoint. Public access and recreation within open space_ may severely
limit its use as a wildlife corridor. -
(2) Land Use Controls
The City should convene a series of planning conferences with biologists,
landowners, City planning staff, and County planning staff to agree on areas that
might be considered for either a joint powers planning vehicle or annexation. This
would address the 'revenue -neutral' requirement of the County relative to
annexation of its territory, the relationship of those lands to existing City land use
plans and to county zoning, the assessment of landowner desires, and the
consideration of compensation for perceived or real take through changed
regulations. The conferences could complement current efforts to establish a
program for transfer of development credits and to fund and prioritize acquisition of
land or easements. Consultation with LAFCO should continue concurrently with
the conferences.
EQTF Sustainability Recommendations Page 18
Tank Farm Wetlands
The wetlands just north of Tank Farm Road should, be enhanced, and
surrounded with a viable valley grassland buffer.
Cerro San Luis Obispo
The -preservation -of Cerro San Luis Obispo as wildlife habitat depends on
keeping much of the existing Foomill Boulevard grazing lands open and free
from development that could close off the connecting corridor with the other
Morros.
gmL:EQTF.RPT
2-28-95
EQTF Sustainability Recommendations Page 22