Landscapes - Summer 2017 - 41

ÉCORESTAURATION URBAINE

Similarly, designers can incorporate
showy plants that will bloom during the
first growing season into the restoration
design. This is particularly important in largescale seeding projects, where many native
plants take several seasons to establish and
bloom. Black-eyed Susan (Rudbeckia hirta)
in particular does very well from seed and,
at the Red Hill Valley Expressway project in
Hamilton, added a cheerful yellow tone to
meadow areas in the first season following
construction. Other suitable species include
Wild Bergamot (Monarda fistulosa), Canada
Wild Rye (Elymus canadensis), Nodding
Beggarticks (Bidens cernua), and Swamp
Milkweed (Asclepias incarnata). Non-native
species are tempting to use, as they can be
more robust than their native counterparts.
However, Douglas Tallamy, an entomologist
at the University of Delaware, presents
research in his book, Bringing Nature Home,
that non-native plants support 29 times less
biodiversity than do native plants. If a native
sunflower (Helianthus sp.) will support 73
moth or butterfly species, why not use it in
your design?

4

2. "IT'S NOT SAFE ENOUGH!"
That messy aesthetic, however, can
contribute to another element of ecologically
restored sites which rouses objections. The
structural diversity of these places often
requires a dense matrix of understory,
shrub and tree layers in order to meet
ecological targets. In urban areas, these
densely vegetated areas can be perceived
as dangerous places for "undesirables" to
congregate. Designers can prevent many of
these problems by utilizing Crime Prevention
through Environmental Design (CPTED)
principles. In high use areas, for example, they
might choose a prairie meadow, savannah
or other habitat type which maintains
appropriate sight lines. At Olmstead Natural
Area in Hamilton, a prairie restoration project,
two seed mixes were developed to mitigate
neighbours' concerns over sightlines within
the park. A short meadow seed mix was
planted between existing homes and the
park's central pathway, and a tallgrass prairie
seed mix was planted on the opposite side of
the path, which backs onto a neighbouring
naturalized area.
Another solution is to design an
unobtrusive barrier between the most
high-use areas, and those which could
be perceived as a hazard. For example, a
wetland restoration area at Mississauga's
O'Connor Park is separated from the active
parkland, which includes sports fields, trails
and a children's playground, by a farmtype paige wire fence. This fence acts as a
barrier to the open water wetland, which
could be interpreted as a drowning hazard
to visiting children. This separation also
benefits non-human users of the natural
space: the design minimized disturbance to
nesting habitat for Midland Painted Turtles
(Chrysemys picta marginata) on the edge of
the wetland.

3. "WE CAN'T MAINTAIN THIS!"
For municipal operations staff with huge
territories to maintain and limited resources,
ecological habitat does not fit easily into the
standard "mow-it-and-trim-it" maintenance
regime. For this reason, maintenance
guidelines complete with timelines and goals
are essential. Simple "decision trees" work well:
flow charts that outline maintenance work
for varying scenarios of conditions. With an
understanding of the ecological needs of the
restoration project, cost-effective solutions
can be found. For example, prairie restoration
projects benefit greatly from periodic
disturbance. Therefore, they can be mowed
and de-thatched on a 5-year cycle to simulate
the effects of fire, the historic disturbance
regime. Mowing and de-thatching does not
require the purchase of specialized machinery
or extra training for maintenance staff, and
does not require permits or neighbour buy-in
that would be required for a controlled burn.
NOT SO SCARY!
Because LAs will be on the forefront of
designing these projects and finding the
balance between ecological functionality and
public acceptance, we need to be educators,
teaching our clients and the public that
ecologically restored landscapes are not messy,
scary places, but instead, natural solutions for
beleaguered urban environments.
myoung@dougan.ca

1 MIDLAND PAINTED TURTLE (CHRYSEMYS PICTA)
2 THE RESTORED O'CONNOR PARK, MISSISSAUGA,
IN FALL. 3 BLACK-EYED SUSAN (RUDBECKIA HIRTA)
4 MEASURING MIDLAND PAINTED TURTLES
IN O'CONNOR PARK, MISSISSAUGA | 1 TORTUE
PEINTE DU MIDLAND (CHRYSEMYS PICTA) 2 LE
PARC O'CONNOR PARK 3 MARGUERITE JAUNE
4 MESURE DES TORTUES PEINTES DU MIDLAND
DANS LE PARC O'CONNOR DE MISSISSAUGA
PHOTOS 1 SHUTTERSTOCK.COM/GTIBBETTS 2 MARY-ANNE
YOUNG, DOUGAN & ASSOCIATES 3 ISTOCKPHOTO.COM/
HEATHERNEMEC 4 KARL KONZE, DOUGAN & ASSOCIATES

SUMMER | ÉTÉ 2017 41


http://www.SHUTTERSTOCK.COM/GTIBBETTS http://www.ISTOCKPHOTO.COM/

Table of Contents for the Digital Edition of Landscapes - Summer 2017

TO BEGIN WITH | POUR COMMENCER
COLLABORATORS | COLLABORATEURS
PROLOGUE
ESSAY | ESSAI
Après le désordre vient le beau temps
A Fine Mess
Biophilic City
“I Am the Space Where I Am”
OPINION
Homo the Homogenizer? Do LAs Design Messy Terrain?
Waste-Less in Seattle: How Will This Look When It Gets Dirty?
Beaver the Disruptor Tolerating Disorder in the Heart of Vancouver
Messiness by Intention
CRITIQUE
@landtecanada Taking It With You
THE LAST WORD | LE MOT DE LA FIN
Landscapes - Summer 2017 - intro
Landscapes - Summer 2017 - cover1
Landscapes - Summer 2017 - cover2
Landscapes - Summer 2017 - 3
Landscapes - Summer 2017 - 4
Landscapes - Summer 2017 - 5
Landscapes - Summer 2017 - 6
Landscapes - Summer 2017 - 7
Landscapes - Summer 2017 - TO BEGIN WITH | POUR COMMENCER
Landscapes - Summer 2017 - 9
Landscapes - Summer 2017 - COLLABORATORS | COLLABORATEURS
Landscapes - Summer 2017 - 11
Landscapes - Summer 2017 - 12
Landscapes - Summer 2017 - 13
Landscapes - Summer 2017 - PROLOGUE
Landscapes - Summer 2017 - 15
Landscapes - Summer 2017 - 16
Landscapes - Summer 2017 - 17
Landscapes - Summer 2017 - 18
Landscapes - Summer 2017 - 19
Landscapes - Summer 2017 - ESSAY | ESSAI
Landscapes - Summer 2017 - 21
Landscapes - Summer 2017 - 22
Landscapes - Summer 2017 - Après le désordre vient le beau temps
Landscapes - Summer 2017 - 24
Landscapes - Summer 2017 - 25
Landscapes - Summer 2017 - A Fine Mess
Landscapes - Summer 2017 - 27
Landscapes - Summer 2017 - 28
Landscapes - Summer 2017 - 29
Landscapes - Summer 2017 - 30
Landscapes - Summer 2017 - Biophilic City
Landscapes - Summer 2017 - 32
Landscapes - Summer 2017 - 33
Landscapes - Summer 2017 - “I Am the Space Where I Am”
Landscapes - Summer 2017 - 35
Landscapes - Summer 2017 - 36
Landscapes - Summer 2017 - 37
Landscapes - Summer 2017 - 38
Landscapes - Summer 2017 - 39
Landscapes - Summer 2017 - OPINION
Landscapes - Summer 2017 - 41
Landscapes - Summer 2017 - 42
Landscapes - Summer 2017 - Homo the Homogenizer? Do LAs Design Messy Terrain?
Landscapes - Summer 2017 - 44
Landscapes - Summer 2017 - 45
Landscapes - Summer 2017 - 46
Landscapes - Summer 2017 - Waste-Less in Seattle: How Will This Look When It Gets Dirty?
Landscapes - Summer 2017 - 48
Landscapes - Summer 2017 - 49
Landscapes - Summer 2017 - 50
Landscapes - Summer 2017 - Beaver the Disruptor Tolerating Disorder in the Heart of Vancouver
Landscapes - Summer 2017 - 52
Landscapes - Summer 2017 - 53
Landscapes - Summer 2017 - Messiness by Intention
Landscapes - Summer 2017 - 55
Landscapes - Summer 2017 - CRITIQUE
Landscapes - Summer 2017 - 57
Landscapes - Summer 2017 - @landtecanada Taking It With You
Landscapes - Summer 2017 - 59
Landscapes - Summer 2017 - 60
Landscapes - Summer 2017 - 61
Landscapes - Summer 2017 - 62
Landscapes - Summer 2017 - 63
Landscapes - Summer 2017 - 64
Landscapes - Summer 2017 - 65
Landscapes - Summer 2017 - 66
Landscapes - Summer 2017 - 67
Landscapes - Summer 2017 - 68
Landscapes - Summer 2017 - 69
Landscapes - Summer 2017 - 70
Landscapes - Summer 2017 - 71
Landscapes - Summer 2017 - 72
Landscapes - Summer 2017 - 73
Landscapes - Summer 2017 - THE LAST WORD | LE MOT DE LA FIN
Landscapes - Summer 2017 - cover3
Landscapes - Summer 2017 - cover4
Landscapes - Summer 2017 - LPPlus1
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