Issuu on Google+

THIS i s o u r LAKE

Proposal for an Interactive Map illustrating the deteriorating health of Lake Winnipeg. Project by Danielle Hall daniellehalldesign.com Information Design 1, Fall 2011 William Bevington


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Single click

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i


Lake Winnipeg is in critical condition. Use this interactive visual tool to see why and how.

This is how the interactive tool would appear in a Google browser window.

ii


T H IS I S

O U R

LAKE CAROT

NELSON

SHAPE MAP

BIG BLACK RIVER

BLOODVEIN

ASSINIBOINE

The program will open to this screen, where the timeline and menu are collapsed and the map occupies the majority of the screen. The menu on the left will be available to the user at all times. It defaults to the hand cursor tool, allowing them to access the clickable content.

glass for zoom functionality. The magnifying glass will be shown in use, later. The program also defaults to the “Shape Map” view. If the user wishes to view the “Word Map”, they will have to open the menu to activate it. This is demonstrated on page 16.

The other tools in the menu include a type selection tool, a share tool and magnifying

1


T H IS I S

O U R

LAKE CAROT

NELSON

SHAPE MAP

BIG BLACK RIVER

BLOODVEIN

ASSINIBOINE

Above, as the mouse hovers over the symbol for Nutrient Loading, it becomes fully visable, indicating to the user that the symbol is clickable. This hover functionality is always present and occurs when the other symbols are rolled over too.

2


T H IS I S

O U R

LAKE NELSON

CAROT

SHAPE MAP

BIG BLACK RIVER

DAUPHIN AVERAGE PHOSPHORUS LOADING Comparing 1994-1998 with 2003-2008 (Tonnes Per Year) 92

32%

64

AVERAGE NITROGEN LOADING

Comparing 1994-1998 with 2003-2008 (Tonnes Per Year) 3,705 5,436

47%

BLOODVEIN

ASSINIBOINE

Callouts showing information pertaining to each river inflow are summoned by clicking the light nodes on the map. A second click on the node will collapse the callout. To open all callouts at the same time, the user would push the “nutrient loading” button, the top button on the menu.

3


T H IS I S

O U R

LAKE NELSON

CAROT

SHAPE MAP

BIG BLACK RIVER

DAUPHIN AVERAGE PHOSPHORUS LOADING Comparing 1994-1998 with 2003-2008 (Tonnes Per Year) 92 DAUPHIN

32%

AVERAGE PHOSPHORUS LOADING

64

Comparing 1994-1998 with 2003-2008 (Tonnes Per Year) 92

32%

64

AVERAGE NITROGEN LOADING

Comparing 1994-1998 with 2003-2008 (Tonnes Per Year) 3,705

47%

5,436

AVERAGE NITROGEN LOADING

Comparing 1994-1998 with 2003-2008 (Tonnes Per Year) BLOODVEIN

3,705

47%

5,436

ASSINIBOINE

A double click on the callout window will isolate, magnify and centre the window to rmake it easier for the user to read the content. It will also call a lightbox function to darken the application in the background. To return to the previous view, the user would click any of the darkened area surrounding the window.

4


T H IS I S

O U R

LAKE NELSON

CAROT

SHAPE MAP

BIG BLACK RIVER

DAUPHIN AVERAGE PHOSPHORUS LOADING PHOTOS Comparing 1994-1998 with 2003-2008 (Tonnes Per Year) 92 DAUPHIN

32%

AVERAGE PHOSPHORUS LOADING

64

Comparing 1994-1998 with 2003-2008 (Tonnes Per Year) 92 64

32%

AVERAGE NITROGEN LOADING

Comparing 1994-1998 with 2003-2008 (Tonnes Per Year) 3,705 5,436

47%

AVERAGE ABOUT THIS NITROGEN RIVER LOADING

Comparing 1994-1998 with 2003-2008 (Tonnes Per Year)

The Dauphin River is a river of Manitoba, Canada. The Dauphin is part of the connection from Lake Manitoba to Lake Winnipeg. The Fairford River BLOODVEIN 3,705 flows from Portage Bay in Lake Manitoba through to Lake St. Martin then the Dauphin5,436 River continues northeastward from Lake St. Martin into 47%

ASSINIBOINE

The tab at the corner of each tributary’s callout is an active button that causes the callout to flip over and contain content specific to that river. This includes user submitted photos (possibly of the research done in that area) as well as a short blurb containing facts and a brief history.

5


T H IS I S

O U R

LAKE NELSON

CAROT

SHAPE MAP

BIG BLACK RIVER

DAUPHIN AVERAGE PHOSPHORUS LOADING PHOTOS Comparing 1994-1998 with 2003-2008 (Tonnes Per Year) 92 DAUPHIN

32%

AVERAGE PHOSPHORUS LOADING

64

Comparing 1994-1998 with 2003-2008 (Tonnes Per Year) 92 64

32%

AVERAGE NITROGEN LOADING

Comparing 1994-1998 with 2003-2008 (Tonnes Per Year) 3,705 5,436

47%

AVERAGE ABOUT THIS NITROGEN RIVER LOADING

Comparing 1994-1998 with 2003-2008 (Tonnes Per Year)

flows from Portage Bay in Lake Manitoba through to Lake St. Martin then the Dauphin River continues northeastward from Lake St. Martin into BLOODVEIN 3,705 Lake Winnipeg. The two streams parallel Manitoba Provincial Road 513 47% much of the5,436 way. The Fairford through the Rural Municipality.

ASSINIBOINE

A transparency is used to imply that the article is longer than the dedicated space. To read the rest of the content, a scroll function is activated when the bottom area is rolled over.

6


T H IS I S

O U R

LAKE

NELSON

SHAPE MAP

BIG BLACK RIVER

DAUPHIN AVERAGE PHOSPHORUS LOADING Comparing 1994-1998 with 2003-2008 (Tonnes Per Year) 92

32%

64

AVERAGE NITROGEN LOADING

Comparing 1994-1998 with 2003-2008 (Tonnes Per Year) 3,705 5,436

47%

BLOODVEIN

ASSINIBOINE

TIMELINE 1

NITROGEN FERTILIZER USE BY CROPS

Available Fert. N as % of Harvested N between 1951-1991

2 3

1950

1960

1970

1980

1990

Expanding the timeline will cause the map as well as any information attached to the map to shrink so that the timeline may occupy that space. The user may browse through x amount of graphs available to them. Here, the user has three options. These graphs will demonstrate information that has been measured over time, to demonstrate trends in history.

2000

A future addition might include nodes along the timeline to summon callouts describing significant historical events pertaining to the Lake.

7


T H IS I S

O U R

LAKE

NELSON

SHAPE MAP

BIG BLACK RIVER

DAUPHIN AVERAGE PHOSPHORUS LOADING Comparing 1994-1998 with 2003-2008 (Tonnes Per Year) 92

32%

64

AVERAGE NITROGEN LOADING

Comparing 1994-1998 with 2003-2008 (Tonnes Per Year) 3,705 5,436

47%

BLOODVEIN

ASSINIBOINE

TIMELINE 1

NITROGEN FERTILIZER USE BY CROPS

2

NITROGEN CONCENTRATION IN SOUTH BASIN

Available Fert. N as % of Harvested N between 1951-1991 Total Nitrogen (mg/L) between 2001-2007

3

1950

1960

To preview the other available graph options, a hover function activates when the user mouses over the numbers, causing the active title to fade.

8

1970

1980

1990

2000


T H IS I S

NELSON

CAROT

O U R

LAKE SHAPE MAP

The water quality of Lake Winnipeg is at a frightening low. Excessive plant nutrient loading has caused eutrophication; water that is oversaturated with harmful nutrients such as phosphorus and nitrogen. Algae needs nutrients as such to bloom, which at high concentrations reduces oxygen concentration in the water and can even be toxic (called blue-green algae, due to its colour) and is harmful to plants, animals and even humans who come into contact with it. Some causes of this include a 21% decrease in Wetland area surrounding the lake. Wetlands are an integral

WORD MAP

BIG BLACK RIVER

BLOODVEIN

ASSINIBOINE

TIMELINE 1

NITROGEN FERTILIZER USE BY CROPS

Available Fert. N as % of Harvested N between 1951-1991

2 3

1950

1960

1970

1980

1990

2000

Clicking this area will cause the menu to expand, revealing new content available to the user.

9


T H IS I S

NELSON

CAROT

O U R

LAKE SHAPE MAP

BLOODVEIN

ASSINIBOINE

TIMELINE NITROGEN FERTILIZER USE BY CROPS

Available Fert. N as % of Harvested N between 1951-1991

2 3

1950

1960

Hovering over the symbols will reveal their title at 50% opacity, implying that it is clickable.

10

1970

WORD MAP

NUTRIENT LOADING

BIG BLACK RIVER

1

The water quality of Lake Winnipeg is at a frightening low. Excessive plant nutrient loading has caused eutrophication; water that is oversaturated with harmful nutrients such as phosphorus and nitrogen. Algae needs nutrients as such to bloom, which at high concentrations reduces oxygen concentration in the water and can even be toxic (called blue-green algae, due to its colour) and is harmful to plants, animals and even humans who come into contact with it. Some causes of this include a 21% decrease in Wetland area surrounding the lake. Wetlands are an integral

1980

1990

2000


TH IS I S

O U R

LAKE SHAPE MAP

The water quality of Lake Winnipeg is at a frightening low. Excessive plant nutrient loading has caused eutrophication; water that is oversaturated with harmful nutrients such as phosphorus and nitrogen. Algae needs nutrients as such to bloom, which at high concentrations reduces oxygen concentration in the water and can even be toxic (called blue-green algae, due to its colour) and is harmful to plants, animals and even humans who come into contact with it. Some causes of this include a 21% decrease in Wetland area surrounding the lake. Wetlands are an integral

WORD MAP

If the user wishes to read the smaller content, they may use the magnifying tool to zoom to that area.

11


TH IS I S

O U R

LAKE SHAPE MAP

The hover to scroll functionality is also applicable here.

12

this include a 21% decrease in Wetland area surrounding the lake. Wetlands are an integral part of the natural filtration system of a lake, controlling its chemical saturation levels. This decrease is due to soil erosion caused by the extremely high water levels controlled by Manitoba Hydro. Secondly, there has been an increase in sewage dumping and fertilizers containing harmful nutrients from local habitants as well as from the surrounding Provinces and States that contribute to the inflowing rivers. Together, we can prevent this from worsening. Contact your local MLA.

WORD MAP


T H IS

Saskatchewan

I S

AVERAGE PHOSPHORUS LOADING 379

21%

462

NELSON

SHAPE MAP

AVERAGE NITROGEN LOADING

Comparing 1994-1998 with 2003-2008 (Tonnes Per Year) 9,210 11,706

O U R

LAKE

Comparing 1994-1998 with 2003-2008 (Tonnes Per Year)

The water quality of Lake Winnipeg is at a frightening low. Excessive plant nutrient loading has caused eutrophication; water that is oversaturated with harmful nutrients such as phosphorus and nitrogen. Algae needs nutrients as such to bloom, which at high concentrations reduces oxygen concentration in the water and can even be toxic (called blue-green algae, due to its colour) and is harmful to plants, animals and even humans who come into contact with it. Some causes of this include a 21% decrease in Wetland area surrounding the lake. Wetlands are an integral

WORD MAP

28%

NUTRIENT LOADING

POPLAR BIG BLACK RIVER

Average Phosphorus Loading Comparing 1994-1998 with 2003-2008 (Tonnes Per Year)

149

32%

197

Average NITROGEN Loading Comparing 1994-1998 with 2003-2008 (Tonnes Per Year)

3,242

ALGAE BLOOMING

8%

3,502

Berens+Pigeon

DAUPHIN

FISH QUALITY

AVERAGE PHOSPHORUS LOADING

AVERAGE PHOSPHORUS LOADING

Comparing 1994-1998 with 2003-2008 (Tonnes Per Year)

Comparing 1994-1998 with 2003-2008 (Tonnes Per Year)

149

92

32%

64

32%

197

AVERAGE NITROGEN LOADING

AVERAGE NITROGEN LOADING

Comparing 1994-1998 with 2003-2008 (Tonnes Per Year)

Comparing 1994-1998 with 2003-2008 (Tonnes Per Year)

3,705

3,242

47%

5,436

8%

3,502

BLOODVEIN

MANITOGAN AVERAGE PHOSPHORUS LOADING Comparing 1994-1998 with 2003-2008 (Tonnes Per Year) 149

32%

197

AVERAGE NITROGEN LOADING

Comparing 1994-1998 with 2003-2008 (Tonnes Per Year) 3,242

8%

3,502

FISHER AVERAGE PHOSPHORUS LOADING Comparing 1994-1998 with 2003-2008 (Tonnes Per Year) 14

185%

41

AVERAGE NITROGEN LOADING

WINNIPEG

Comparing 1994-1998 with 2003-2008 (Tonnes Per Year) 166

185%

474

AVERAGE PHOSPHORUS LOADING Comparing 1994-1998 with 2003-2008 (Tonnes Per Year)

RED AVERAGE PHOSPHORUS LOADING Comparing 1994-1998 with 2003-2008 (Tonnes Per Year)

865

ASSINIBOINE

4.737 6,600

28%

1,104

39%

AVERAGE NITROGEN LOADING

Comparing 1994-1998 with 2003-2008 (Tonnes Per Year) 33,245 35,141

6%

AVERAGE NITROGEN LOADING

Comparing 1994-1998 with 2003-2008 (Tonnes Per Year) 20.764

5%

21,778

TIMELINE 1

NITROGEN FERTILIZER USE BY CROPS

Available Fert. N as % of Harvested N between 1951-1991

2 3

1950

1960

1970

1980

1990

2000

By clicking the Nutrient Loading symbol, all callouts will expand. If the user wishes to close them individually, they need simply click on the nodes.

13


T H IS

Saskatchewan

I S

AVERAGE PHOSPHORUS LOADING 379

21%

462

NELSON

SHAPE MAP

AVERAGE NITROGEN LOADING

Comparing 1994-1998 with 2003-2008 (Tonnes Per Year) 9,210 11,706

O U R

LAKE

Comparing 1994-1998 with 2003-2008 (Tonnes Per Year)

The water quality of Lake Winnipeg is at a frightening low. Excessive plant nutrient loading has caused eutrophication; water that is oversaturated with harmful nutrients such as phosphorus and nitrogen. Algae needs nutrients as such to bloom, which at high concentrations reduces oxygen concentration in the water and can even be toxic (called blue-green algae, due to its colour) and is harmful to plants, animals and even humans who come into contact with it. Some causes of this include a 21% decrease in Wetland area surrounding the lake. Wetlands are an integral

WORD MAP

28%

NUTRIENT LOADING

POPLAR BIG BLACK RIVER

Average Phosphorus Loading Comparing 1994-1998 with 2003-2008 (Tonnes Per Year)

149

32%

197

Average NITROGEN Loading Comparing 1994-1998 with 2003-2008 (Tonnes Per Year)

3,242

ALGAE BLOOMING

8%

3,502

Berens+Pigeon

DAUPHIN

FISH QUALITY

AVERAGE PHOSPHORUS LOADING

AVERAGE PHOSPHORUS LOADING

Comparing 1994-1998 with 2003-2008 (Tonnes Per Year)

Comparing 1994-1998 with 2003-2008 (Tonnes Per Year)

149

92

32%

64

32%

197

AVERAGE NITROGEN LOADING

AVERAGE NITROGEN LOADING

Comparing 1994-1998 with 2003-2008 (Tonnes Per Year)

Comparing 1994-1998 with 2003-2008 (Tonnes Per Year)

3,705

3,242

47%

5,436

8%

3,502

BLOODVEIN

MANITOGAN AVERAGE PHOSPHORUS LOADING Comparing 1994-1998 with 2003-2008 (Tonnes Per Year) 149

32%

197

AVERAGE NITROGEN LOADING

Comparing 1994-1998 with 2003-2008 (Tonnes Per Year) 3,242

8%

3,502

FISHER AVERAGE PHOSPHORUS LOADING Comparing 1994-1998 with 2003-2008 (Tonnes Per Year) 14

185%

41

AVERAGE NITROGEN LOADING

WINNIPEG

Comparing 1994-1998 with 2003-2008 (Tonnes Per Year) 166

185%

474

AVERAGE PHOSPHORUS LOADING Comparing 1994-1998 with 2003-2008 (Tonnes Per Year)

RED AVERAGE PHOSPHORUS LOADING Comparing 1994-1998 with 2003-2008 (Tonnes Per Year)

865

ASSINIBOINE

4.737 6,600

28%

1,104

39%

AVERAGE NITROGEN LOADING

Comparing 1994-1998 with 2003-2008 (Tonnes Per Year) 33,245 35,141

6%

AVERAGE NITROGEN LOADING

Comparing 1994-1998 with 2003-2008 (Tonnes Per Year) 20.764

5%

21,778

TIMELINE 1

NITROGEN FERTILIZER USE BY CROPS

Available Fert. N as % of Harvested N between 1951-1991

2 3

1950

1960

A click on the Algae Blooming symbol will call this on the map. The Nutrient Loading callouts will remain on the map as the user has not turned them off.

14

1970

1980

1990

2000


T H IS

Saskatchewan

I S

AVERAGE PHOSPHORUS LOADING 379

21%

462

NELSON

SHAPE MAP

AVERAGE NITROGEN LOADING

Comparing 1994-1998 with 2003-2008 (Tonnes Per Year) 9,210 11,706

O U R

LAKE

Comparing 1994-1998 with 2003-2008 (Tonnes Per Year)

The water quality of Lake Winnipeg is at a frightening low. Excessive plant nutrient loading has caused eutrophication; water that is oversaturated with harmful nutrients such as phosphorus and nitrogen. Algae needs nutrients as such to bloom, which at high concentrations reduces oxygen concentration in the water and can even be toxic (called blue-green algae, due to its colour) and is harmful to plants, animals and even humans who come into contact with it. Some causes of this include a 21% decrease in Wetland area surrounding the lake. Wetlands are an integral

WORD MAP

28%

NUTRIENT LOADING

POPLAR BIG BLACK RIVER

Average Phosphorus Loading Comparing 1994-1998 with 2003-2008 (Tonnes Per Year)

149

32%

197

These callouts show the proportion of nutrient loading of phosphorus and nitrogen to Lake Winnipeg contributed by its inflowing lakes and rivers. Percentage increase was calculated by comparing the average tonnes per year from 1994-1998 with that of 2003-2007. In all instances but one, the lake has shown an overall increase in nutrient loading. Callout size was determined by the total percentage of inflow that each tributary contributes to the total of inflows to Lake Winnipeg. This allows us to see the impact each tributary has on the lake.

Average NITROGEN Loading Comparing 1994-1998 with 2003-2008 (Tonnes Per Year)

3,242

8%

3,502

Berens+Pigeon

DAUPHIN

AVERAGE PHOSPHORUS LOADING

AVERAGE PHOSPHORUS LOADING

Comparing 1994-1998 with 2003-2008 (Tonnes Per Year)

ALGAE BLOOMING

Comparing 1994-1998 with 2003-2008 (Tonnes Per Year)

149

92

32%

64

32%

197

AVERAGE NITROGEN LOADING

AVERAGE NITROGEN LOADING

Comparing 1994-1998 with 2003-2008 (Tonnes Per Year)

Comparing 1994-1998 with 2003-2008 (Tonnes Per Year)

3,705

3,242

47%

5,436

8%

3,502

BLOODVEIN

FISH QUALITY

MANITOGAN AVERAGE PHOSPHORUS LOADING Comparing 1994-1998 with 2003-2008 (Tonnes Per Year) 149

32%

197

AVERAGE NITROGEN LOADING

Comparing 1994-1998 with 2003-2008 (Tonnes Per Year) 3,242

8%

3,502

FISHER AVERAGE PHOSPHORUS LOADING Comparing 1994-1998 with 2003-2008 (Tonnes Per Year) 14

185%

41

AVERAGE NITROGEN LOADING

WINNIPEG

Comparing 1994-1998 with 2003-2008 (Tonnes Per Year) 166

185%

474

AVERAGE PHOSPHORUS LOADING Comparing 1994-1998 with 2003-2008 (Tonnes Per Year)

RED AVERAGE PHOSPHORUS LOADING Comparing 1994-1998 with 2003-2008 (Tonnes Per Year)

865

ASSINIBOINE

4.737 6,600

28%

1,104

39%

AVERAGE NITROGEN LOADING

Comparing 1994-1998 with 2003-2008 (Tonnes Per Year) 33,245 35,141

6%

AVERAGE NITROGEN LOADING

Comparing 1994-1998 with 2003-2008 (Tonnes Per Year) 20.764

5%

21,778

TIMELINE 1

NITROGEN FERTILIZER USE BY CROPS

Available Fert. N as % of Harvested N between 1951-1991

2 3

1950

1960

1970

1980

1990

2000

Clicking on the titles will call information pertaining to what the user sees on the map, for example, an explanation of the callout size. The menu will grow in size to accomadate the new content.

15


T H IS I S

NELSON

CAROT

O U R

LAKE SHAPE MAP

NUTRIENT LOADING

BIG BLACK RIVER

ALGAE BLOOMING FISH QUALITY

BLOODVEIN

ASSINIBOINE

TIMELINE 1

NITROGEN FERTILIZER USE BY CROPS

Available Fert. N as % of Harvested N between 1951-1991

2 3

1950

1960

Clicking the Word Map button will cause all Shape Map content to disappear. The symbols will switch to align under the selected button.

16

1970

1980

1990

2000

The water quality of Lake Winnipeg is at a frightening low. Excessive plant nutrient loading has caused eutrophication; water that is oversaturated with harmful nutrients such as phosphorus and nitrogen. Algae needs nutrients as such to bloom, which at high concentrations reduces oxygen concentration in the water and can even be toxic (called blue-green algae, due to its colour) and is harmful to plants, animals and even humans who come into contact with it. Some causes of this include a 21% decrease in Wetland area surrounding the lake. Wetlands are an integral

WORD MAP


T H IS I S

Saskatchewan CARROT

NELSON

CAROT

O U R

LAKE SHAPE MAP

The water quality of Lake Winnipeg is at a frightening low. Excessive plant nutrient loading has caused eutrophication; water that is oversaturated with harmful nutrients such as phosphorus and nitrogen. Algae needs nutrients as such to bloom, which at high concentrations reduces oxygen concentration in the water and can even be toxic (called blue-green algae, due to its colour) and is harmful to plants, animals and even humans who come into contact with it. Some causes of this include a 21% decrease in Wetland area surrounding the lake. Wetlands are an integral

WORD MAP

NUTRIENT LOADING

Poplar BIG BLACK RIVER

ALGAE BLOOMING

Berens+Pigeon

FISH QUALITY

Dauphin

Fisher Manigotan BLOODVEIN

Winnipeg ASSINIBOINE

Red

TIMELINE 1

NITROGEN FERTILIZER USE BY CROPS

Available Fert. N as % of Harvested N between 1951-1991

2 3

1950

1960

1970

1980

1990

2000

Clicking the Nutrient Loading symbol will activate the Word Map. As before, a second click on the title would expand a key explaining the colour and type size of the word map.

17


T H IS I S

Saskatchewan CARROT

NELSON

CAROT

Poplar BIG BLACK RIVER

O U R

LAKE SHAPE MAP

The water quality of Lake Winnipeg is at a frightening low. Excessive plant nutrient loading has caused eutrophication; water that is oversaturated with harmful nutrients such as phosphorus and nitrogen. Algae needs nutrients as such to bloom, which at high concentrations reduces oxygen concentration in the water and can even be toxic (called blue-green algae, due to its colour) and is harmful to plants, animals and even humans who come into contact with it. Some causes of this include a 21% decrease in Wetland area surrounding the lake. Wetlands are an integral

WORD MAP

NUTRIENT LOADING ALGAE BLOOMING

Berens+Pigeon

FISH QUALITY

Dauphin

Fisher Manigotan BLOODVEIN

GRINDSTONE PARK BLACK POINT

GULL HARBOUR

Winnipeg SANDY BAR HNAUSA

SPRUCE SANDS

SANDY HOOK VICTORIA

GIMLI

LESTER

EAST GRAND

WEST GRAND

WINNIPEG

SUNSET

MATLOCK PATRICIA

ASSINIBOINE

Red

TIMELINE 1

NITROGEN FERTILIZER USE BY CROPS

Available Fert. N as % of Harvested N between 1951-1991

2 3

1950

1960

Clicking on the Algae Blooming symbol will activate the word map demonstrating the concentration of algae blooming in the Southern Basin. A second click on the title would expand the key.

18

1970

1980

1990

2000


T H IS I S

NELSON

CAROT

O U R

LAKE SHAPE MAP

The water quality of Lake Winnipeg is at a frightening low. Excessive plant nutrient loading has caused eutrophication; water that is oversaturated with harmful nutrients such as phosphorus and nitrogen. Algae needs nutrients as such to bloom, which at high concentrations reduces oxygen concentration in the water and can even be toxic (called blue-green algae, due to its colour) and is harmful to plants, animals and even humans who come into contact with it. Some causes of this include a 21% decrease in Wetland area surrounding the lake. Wetlands are an integral

WORD MAP

NUTRIENT LOADING

BIG BLACK RIVER

ALGAE BLOOMING FISH QUALITY

BLOODVEIN GRINDSTONE PARK BLACK POINT

GULL HARBOUR

SANDY BAR HNAUSA

SPRUCE SANDS

SANDY HOOK VICTORIA

GIMLI

LESTER

EAST GRAND

WEST GRAND

WINNIPEG

SUNSET

MATLOCK PATRICIA

ASSINIBOINE

TIMELINE 1

NITROGEN FERTILIZER USE BY CROPS

Available Fert. N as % of Harvested N between 1951-1991

2 3

1950

1960

1970

1980

1990

2000

This is what the map would look like if the Nutrient Loading was turned off.

19


BLOODVEIN GRINDSTONE PARK BLACK POINT

GULL HARBOUR

SANDY BAR HNAUSA

SPRUCE SANDS

SANDY HOOK VICTORIA

GIMLI

LESTER

EAST GRAND

WEST GRAND

WINNIPEG

SUNSET

MATLOCK PATRICIA

ASSINIBOINE

The magnifying glass tool is useful again here when the type size is small.

20


POSTE R S


Shape Map

22


Word Map

23


Lake Winnipeg Iteractive Tool