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GL_CoastalProcesses_TributaryConnectivity
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306253.654800
1619955.767600
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Projected
GCS_North_American_1983
Linear Unit: Meter (1.000000)
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ItemDescription
Esri ArcGIS 13.5.5.57366
Great Lakes Nearshore Waters: Tributary Connectivity
1
-91.362796
-72.719089
50.892735
40.736758
Summary of tributary connectivity (connected, disconnected or naturally disconnected) in the Canadian Great Lakes; data is part of the Overall Assessment of the State of Nearshore Waters.
<DIV STYLE="text-align:Left;font-size:12pt"><DIV><DIV><P><SPAN><SPAN>This data was derived as part of the Overall Assessment of the State of Nearshore Waters. Connectivity between watersheds and the nearshore supports healthy habitats and promotes natural physical processes. Barriers to connectivity can restrict access of fishes to spawning/nursery habitats and alter nutrient flows and coastal processes. Tributary connectivity is assessed by calculating the percent of the total length of tributaries flowing into a Regional Unit that are connected to the nearshore.</SPAN></SPAN></P><P><SPAN><SPAN>Tributaries are a subset of the Ontario Integrated Hydro Network and have been assessed as either 'connected' 'naturally disconnected' or 'disconnected' from a Regional Unit.</SPAN></SPAN></P><UL STYLE="margin:0 0 0 0;padding:0 0 0 0;"><LI><P><SPAN><SPAN>Connected: tributary is downstream of a barrier (e.g. dam) and hydrologically connected to the nearshore.</SPAN></SPAN></P></LI><LI><P><SPAN><SPAN>Disconnected: tributary is upstream of a barrier (e.g. dam) and hydrologically disconnected from the nearshore.</SPAN></SPAN></P></LI><LI><P><SPAN><SPAN>Naturally disconnected: tributary is upstream of a waterfall</SPAN></SPAN></P></LI></UL><P><SPAN><SPAN>Tributaries are dissolved by 'Status.'</SPAN></SPAN></P><P><SPAN>Low Stress: >75% of the total length of tributaries are connected to the Regional Unit: Moderate Stress: 25-75% of the total length of tributaries are connected to the Regional Unit; High Stress: <25% of the total length of tributaries are connected to the Regional Unit</SPAN><SPAN>.</SPAN></P><P><SPAN>This layer is a cartographic representation of the area of tributaries that drain into each Regional Unit.</SPAN></P></DIV></DIV></DIV>
Great Lakes
Lake Superior
Lake Huron
Lake Erie
Lake Ontario
Nearshore Framework. water quality
ecosystem health
cumulative stress
coastal processes
tributary connectivity
Environment and Climate Change Canada (ECCC) - Strategic Policy Branch - RDGO
File Geodatabase Feature Class
0.000
dataset
EPSG
7.1(10.0.0)
0
Simple
FALSE
0
TRUE
FALSE
GL_CoastalProcesses_TributaryConnectivity
Feature Class
0
OBJECTID
OBJECTID
OID
4
0
0
Internal feature number.
Esri
Sequential unique whole numbers that are automatically generated.
Shape
Shape
Geometry
0
0
0
Feature geometry.
Esri
Coordinates defining the features.
Shape_Length
Shape_Length
Double
8
0
0
Length of feature in internal units.
Esri
Positive real numbers that are automatically generated.
Shape_Area
Shape_Area
Double
8
0
0
Area of feature in internal units squared.
Esri
Positive real numbers that are automatically generated.
NearshoreAssessment
Nearshore Assessment
String
30
0
0
AssessmentYear
Assessment Year
String
5
0
0
AssessmentCategory
Assessment Category
String
50
0
0
RegionalUnitID
Regional Unit ID
String
5
0
0
PercentConnected
% of Tributaries Connected to Nearshore
String
5
0
0
TributaryConnectivity
Tributary Connectivity
String
20
0
0
20260427