Landscapes - Winter 2017 - 56

CAT TAIL BIOPLATFORM TECHNOLOGY

BIOPLATFORMS FOR NETLEY-LIBAU MARSH
How could landscape architecture help to solve one of
the province's most challenging environmental issues? I
examined the issue in my graduate thesis, which focused
on the lake's Netley-Libau marsh. The marsh is the
perfect candidate for wetland bioplatforms. Located
at the confluence of the Red River and Lake Winnipeg,
this once thriving, diverse ecosystem is now a series
of shallow, turbid channels of open water. The natural
drawdown and regeneration of the marsh has been
compromised by water level regulation and dredging for
navigation. Bioplatforms would dramatically increase the
nutrient uptake capacity of the wetland, and also provide
a means for extracting biomass from the system.
My thesis further proposed that the site become a
centre for public education and engagement, since the
marsh is in close proximity to Winnipeg. By locating
a field camp, public access points, and a large biofuel
harvesting centre close to the deployment site, this
project could successfully engage Manitobans in the
process of reversing eutrophication and restoring
balance and resilience to Lake Winnipeg.
My thesis work was completed by 2013, and to date
bioplatforms have not yet been deployed in the marsh.
However, researchers believe the technology is close!
For a review of the situation today, I spoke with my
former thesis advisor, mentor, water guru, and generalist
Manitoba historian, Dr. Gordon Goldsborough. It was just
like old times. Please join our conversation (this page).
shawn@swiftcompany.com

CONVERSATION
Shawn Stankewich talks with
Dr. Gordon Goldsborough...

EN_
DR. GORDON GOLDSBOROUGH is a wetland ecologist and
Associate Professor of Biological Sciences at the University
of Manitoba. I spoke to him about the state of Lake Winnipeg,
about bioplatforms, and also about the impact which
landscape architects can make.
SS: The Lake Winnipeg eutrophication crisis has garnered a
great deal of attention in the past 5-10 years. When did this
become international news?
GG: An episode of CBC's "The Nature of Things" in 2011
brought attention to the eutrophication to a national
audience, [but] the turning point was probably the
designation of Lake Winnipeg as the "most threatened lake
in the world" in 2013. [The Global Nature Fund (Germany)
provided this designation.] Whether or not this statement is
true is debatable.
SS: I understand that visually, the lake is looking better. Is
this good news?
GG: We now have a zebra mussel infestation...my sister-in-law
sent us a photo of the beach in front of her lake-front cottage
that was littered with thousands of mussel shells. Experience
in the Great Lakes has shown that mussels can counteract
the visual impact of eutrophication because they are very
effective filter-feeders which consume sufficient quantities of
phytoplankton (water-borne algae) so the greenness of the
water diminishes.
However, with respect to the lake's level of eutrophication
and the levels of phosphorus that are driving it, very little
has changed.
SS: It has been five years since your floating wetland
program began, in a small research lake in Winnipeg. Can
you update us on its progress?
GG: In 2012, I was contacted by entrepreneur Mike Currie
about developing some technology for dealing with nutrient
loading to Lake Winnipeg. Together, we developed the
"cattail bioplatform" whereby cattails (Typha spp.) would

DESIGN PROPOSAL FOR NETLEY LAKE FIELD CAMP: RESEARCH DOCK,
SHADE/SHELTER STRUCTURE AND BIOPLATFORM DEPLOYMENT

56 LANDSCAPES PAYSAGES



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

To Begin With
Une Dernière Salve
Collaborateurs
Writers
Upfront
Prologue
La Vague
Romance of the Stone
La Pierre Romancée
Numériser La Nature
Riding Technology’s Wild Interface
Flooding Fields
Conversation
Designing Invisible Landscapes
Stacking Up - the LA’s Toolkit: A Groundhog Plugin for Grasshopper
Grasshopper Gagne Un Plugiciel
Wood Works
Floating a New Idea for Water Stewardship
LACF
Bourses De La FACP
Critique
Parting Shot
Une Dernière Salve
Landscapes - Winter 2017 - INTRO
Landscapes - Winter 2017 - cover1
Landscapes - Winter 2017 - cover2
Landscapes - Winter 2017 - 3
Landscapes - Winter 2017 - 4
Landscapes - Winter 2017 - 5
Landscapes - Winter 2017 - 6
Landscapes - Winter 2017 - 7
Landscapes - Winter 2017 - Une Dernière Salve
Landscapes - Winter 2017 - 9
Landscapes - Winter 2017 - Writers
Landscapes - Winter 2017 - 11
Landscapes - Winter 2017 - 12
Landscapes - Winter 2017 - 13
Landscapes - Winter 2017 - 14
Landscapes - Winter 2017 - Prologue
Landscapes - Winter 2017 - 16
Landscapes - Winter 2017 - 17
Landscapes - Winter 2017 - 18
Landscapes - Winter 2017 - 19
Landscapes - Winter 2017 - La Vague
Landscapes - Winter 2017 - 21
Landscapes - Winter 2017 - La Pierre Romancée
Landscapes - Winter 2017 - 23
Landscapes - Winter 2017 - 24
Landscapes - Winter 2017 - 25
Landscapes - Winter 2017 - 26
Landscapes - Winter 2017 - 27
Landscapes - Winter 2017 - Riding Technology’s Wild Interface
Landscapes - Winter 2017 - 29
Landscapes - Winter 2017 - 30
Landscapes - Winter 2017 - 31
Landscapes - Winter 2017 - 32
Landscapes - Winter 2017 - Flooding Fields
Landscapes - Winter 2017 - 34
Landscapes - Winter 2017 - 35
Landscapes - Winter 2017 - Conversation
Landscapes - Winter 2017 - 37
Landscapes - Winter 2017 - 38
Landscapes - Winter 2017 - 39
Landscapes - Winter 2017 - 40
Landscapes - Winter 2017 - 41
Landscapes - Winter 2017 - 42
Landscapes - Winter 2017 - Designing Invisible Landscapes
Landscapes - Winter 2017 - 44
Landscapes - Winter 2017 - 45
Landscapes - Winter 2017 - Grasshopper Gagne Un Plugiciel
Landscapes - Winter 2017 - 47
Landscapes - Winter 2017 - 48
Landscapes - Winter 2017 - 49
Landscapes - Winter 2017 - 50
Landscapes - Winter 2017 - 51
Landscapes - Winter 2017 - Wood Works
Landscapes - Winter 2017 - 53
Landscapes - Winter 2017 - Floating a New Idea for Water Stewardship
Landscapes - Winter 2017 - 55
Landscapes - Winter 2017 - 56
Landscapes - Winter 2017 - 57
Landscapes - Winter 2017 - 58
Landscapes - Winter 2017 - Bourses De La FACP
Landscapes - Winter 2017 - 60
Landscapes - Winter 2017 - 61
Landscapes - Winter 2017 - Critique
Landscapes - Winter 2017 - 63
Landscapes - Winter 2017 - 64
Landscapes - Winter 2017 - 65
Landscapes - Winter 2017 - 66
Landscapes - Winter 2017 - 67
Landscapes - Winter 2017 - 68
Landscapes - Winter 2017 - 69
Landscapes - Winter 2017 - 70
Landscapes - Winter 2017 - 71
Landscapes - Winter 2017 - 72
Landscapes - Winter 2017 - 73
Landscapes - Winter 2017 - 74
Landscapes - Winter 2017 - 75
Landscapes - Winter 2017 - 76
Landscapes - Winter 2017 - Une Dernière Salve
Landscapes - Winter 2017 - 78
Landscapes - Winter 2017 - cover3
Landscapes - Winter 2017 - cover4
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