FINAL REPORT - International Joint Commission

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Table A-2: Lower St. Lawrence River Environmental Performance Indicators Region PI Group PI Description PI Metrics Researchers Significance Certainty Sensitivity Lower Fish Golden Shiner (NOCR) - Suitable feeding habitat ha Mingelbier, Morin 4 4 5 SL River surface area (Lac St. Louis to Trois-Rivières) Lower Fish Wetlands Fish - Abundance index (Lower St. Lawrence) index de Lafontaine, 2 4 5 SL River Marchand Lower Fish Northern Pike (ESLU) - Suitable reproductive habitat ha Mingelbier, Morin 3 4 5 SL River surface area (Lac St. Louis to Trois-Rivières) Lower Birds Migratory Wildfowl - Floodplain habitat surface area ha Lehoux, Dauphin, 3 4 5 SL River (Lac St. Louis to Trois-Rivières) Champoux, Morin Lower Birds Virginia Rail (RALI) - Reproductive index index DesGranges, Ingram, 4 4 5 SL River (Lac St. Louis to Trois-Rivières) Drolet Lower Birds Migratory Wildfowl - Productivity # of Lehoux 3 4 5 SL River (Lac St. Louis to Trois-Rivières) juveniles Lower Birds Black Tern (CHNI) - Reproductive index index DesGranges, Ingram, 5 4 5 SL River (Lac St. Louis to Trois-Rivières) Drolet Lower Herptiles Frog sp. - Reproductive habitat surface area ha Armellin, Champoux, 3 2 5 SL River (Lac St. Louis to Trois-Rivières) Morin, Rioux Lower Mammals Muskrat (ONZI) - Surviving houses # of Ouellet, Morin 4 2 5 SL River (Lac St. Louis to Trois-Rivières) houses Lower Species at Least Bittern (IXEX) - Reproductive index index DesGranges, Ingram, 5 2 5 SL River risk (bird) (Lac St. Louis to Trois-Rivières) Drolet Lower Species at Eastern Sand Darter (AMPE) - Reproductive habitat ha Giguère, Laporte, 4 1 5 SL River risk (bird) surface area (Lac St. Louis to Trois-Rivières) Morin Lower Species at Spiny Softshell Turtle (APSP) - Reproductive habitat ha Giguère, Laporte, 4 2 5 SL River risk (herptile) surface area (Lac St. Louis to Trois-Rivières) Morin Lower Species Bridle Shiner (NOBI) - Reproductive habitat ha Giguère, Laporte, 4 2 5 SL River at risk surface area (Lac St. Louis to Trois-Rivières) Morin ANNEX 2 Options for Managing Lake Ontario and St. Lawrence River Water Levels and Flows 23
ANNEX 2 At the request of the Study Board, the Environmental Technical Work Group also provided error bounds around these ratios so the Study Board could clearly determine which plans were having a significant impact on a specific performance indicator. The Work Group identified a 10% error bound around performance indicators, with the exception of the fish indicators, which were assigned an error bound of 5%. The lower St. Lawrence River performance indicators were assigned a 10% error bound. For consistency, the Study Board used a standard 10% error bound on all environmental performance indicators. The Environmental Technical Work Group further assisted the Study Board by identifying a sub-group of 13 priority performance indicators which they felt should be given greater weight in the decision process because, collectively, they provide a coherent and consistent account of the impacts of a regulation plan. The priority performance indicators are listed below. Lake Ontario and upper St. Lawrence River Meadow Marsh Black tern reproductive index Virginia rail reproductive index Muskrat house density Northern pike YOY Large-mouth bass YOY High Veg 24C fish guild Lower St. Lawrence River Golden shiner suitable feeding habitat area Virginia rail reproductive index Migratory wildfowl productivity Northern pike reproductive area Bridle shiner reproductive habitat surface area Muskrat surviving houses A further sub-group of key performance indicators was defined for the purposes of the National Academy of Science/Royal Society of Canada independent peer review. With the exception of the wetland marsh indicator, each of the remaining performance indicators in the list is a species at risk. These indicators were chosen for review because they appeared to represent the greatest potential for conflict with indicators from other technical work groups, in terms of development of a regulation plan. The indicators chosen for the external peer review included: • Wetland meadow marsh area (Lake Ontario) • Least bittern (Lake Ontario) and least bittern (lower river, Lac St. Louis to Trois-Rivières) reproductive index • King rail (Lake Ontario) preferred breeding habitat coverage • Yellow rail (Lake Ontario) preferred breeding habitat coverage • Black tern (Lake Ontario) reproductive index • Spiny softshell turtle (Lac St. Louis to Trois-Rivières) reproductive habitat surface area • Bridle shiner (Lac St. Pierre) reproductive habitat surface area • Eastern sand darter (Lac St. Louis to Trois-Rivières) reproductive habitat surface area Finally, the Environmental Technical Work Group was asked by the Study Board to provide an overall environmental index. While the Work Group cautioned the Study Board against using such an index for plan ranking since too much underlying information is lost, an overall environmental index was developed by Limno-Tech. This index did prove helpful to the Study Board when used in concert with the 32 key performance indicators because it gave a relative score among plans that was not always obvious when all 32 performance indicators were considered. The overall environmental index was developed based on a weighting scheme that assigns weighting factors to 1) individual performance indicators, 2) performance indicator groups within the three regions (Lake Ontario, the upper St. Lawrence River and the lower St. Lawrence River, and 3) the three regions. Based on these weighting factors, the performance indicator ratios (relative to 1958-DD) are collapsed into group weighted average ratios, region weighted average ratios, and finally an overall index. The complete weighting scheme is provided in Table A-3. 24 Options for Managing Lake Ontario and St. Lawrence River Water Levels and Flows
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FINAL REPORT Options for Managing L
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FINAL REPORT Options for Managing L
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FINAL REPORT current operating regi
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FINAL REPORT The current regulation
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FINAL REPORT If none of the candida
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FINAL REPORT Divergent Viewpoints T
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FINAL REPORT Transition to Implemen
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FINAL REPORT 10: Priority Performan
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FINAL REPORT a considerable amount
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FINAL REPORT The plan consists of a
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FINAL REPORT Figure 2: The Lake Ont
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FINAL REPORT 2. Criteria and regula
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FINAL REPORT water level and flow d
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FINAL REPORT Independent Review Ind
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FINAL REPORT Coastal Processes The
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FINAL REPORT The current estimate o
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FINAL REPORT Table 2: Economic Perf
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FINAL REPORT • Shore protection m
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FINAL REPORT Abbreviations STELLA -
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FINAL REPORT Approach 2: Optimizati
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FINAL REPORT Evaluation and Screeni
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FINAL REPORT • All performance in
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FINAL REPORT 5. During the Seaway n
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FINAL REPORT The programmed Plan 19
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FINAL REPORT Other efforts showed t
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FINAL REPORT Plan E generally produ
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FINAL REPORT An early version of Pl
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FINAL REPORT Plan Evaluations and C
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FINAL REPORT Table 3: Differences i
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Lake Ontario FINAL REPORT Figure 13
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St. Lawrence River at Lac St. Louis
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FINAL REPORT Figures 29, 30, 32 and
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Discharge (m 3 /s) Discharge (tcfs)
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Level (m IGLD 1985) Level (ft. IGLD
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FINAL REPORT Economic Results All p
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FINAL REPORT Disproportionate Loss
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FINAL REPORT Table 7: Percent Damag
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FINAL REPORT Table 8: Environmental
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FINAL REPORT Beyond the Summary Num
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FINAL REPORT Figure 36: Net economi
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FINAL REPORT On Lake Ontario, lakeb
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FINAL REPORT Coastal damages occur
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FINAL REPORT Figure 39: Wetland pla
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FINAL REPORT Sensitivity Analyses D
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FINAL REPORT Table 11: Summary of E
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FINAL REPORT Figure 43: Lake Ontari
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FINAL REPORT Climate Change Analysi
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FINAL REPORT Table 13: Summary of E
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FINAL REPORT Validation The Plan Fo
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FINAL REPORT Municipal and Industri
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FINAL REPORT Interest-specific shor
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FINAL REPORT Change the Criteria an
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FINAL REPORT Through the advocacy o
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FINAL REPORT 5. People living along
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FINAL REPORT The Study Board consid
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FINAL REPORT • Ecohydrology is th
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FINAL REPORT Institutional issues d
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FINAL REPORT Environmental Data and
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FINAL REPORT The point of access to
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FINAL REPORT Possible Changes in th
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FINAL REPORT 106 Options for Managi
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FINAL REPORT People and Organizatio
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FINAL REPORT Environmental Technica
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FINAL REPORT Common Data and Inform
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FINAL REPORT 114 Options for Managi
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FINAL REPORT BASIN; WATERSHED - The
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FINAL REPORT EROSION - The wearing
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FINAL REPORT INTEGRATED ECOLOGICAL
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FINAL REPORT PHYSIOGRAPHY - A descr
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FINAL REPORT TECHNICAL WORK GROUP (
Page 142 and 143: FINAL REPORT Pacific International
Page 144 and 145: FINAL REPORT Savage, C. Lake Ontari
Page 146 and 147: FINAL REPORT Doyon, B., et al. (200
Page 148 and 149: FINAL REPORT Planning and Managemen
Page 150 and 151: FINAL REPORT h. Information Managem
Page 152 and 153: FINAL REPORT 136 Options for Managi
Page 164: ANNEXES Options for Managing Lake O
Page 167 and 168: ANNEXES Annex 3 - Plan Descriptions
Page 170 and 171: ANNEX 1 Annex 1 Pertinent Documents
Page 172 and 173: The Study Board shall provide optio
Page 174 and 175: Pertinent Document 2 Plan of Study
Page 176 and 177: trial regulation plans will need to
Page 178 and 179: WHEREAS pursuant to the said Applic
Page 180 and 181: (c) (d) (e) (f) (g) The works shall
Page 182 and 183: (i) (j) (k) Under regulation, the f
Page 184 and 185: (b) Control Facilities Adequate con
Page 186 and 187: ANNEX 2 2 Annex2 Technical Work Gro
Page 188 and 189: Hydrology, supplies Historical and
Page 190 and 191: Performance Indicators As noted ear
Page 194 and 195: Table A-3: Weighting Scheme for Eco
Page 196 and 197: In the St. Lawrence River, high spr
Page 198 and 199: References Armellin, A., Mingelbier
Page 200 and 201: A. Environmental Contextual Narrati
Page 202 and 203: types. Analyses of historical aeria
Page 204 and 205: 9. References Listed in text Baedke
Page 206 and 207: B. Recreational Boating and Tourism
Page 208 and 209: In addition to recreational boating
Page 210 and 211: Summary of Key Findings Based on it
Page 212 and 213: ANNEX 2 Figure B-3: Alexandria Bay
Page 214 and 215: Participants Recreational Boating a
Page 216 and 217: Communities along New York waters v
Page 218 and 219: On the Canadian side, a telephone s
Page 220 and 221: 3. Potentially Significant Benefit
Page 222 and 223: The average horsepower of motor boa
Page 224 and 225: Noden, D. and Brown, T. (1975) The
Page 226 and 227: The Lower St. Lawrence River In com
Page 228 and 229: Table C-1: Unit Costs for the Const
Page 230 and 231: Beach Access The beach access perfo
Page 232 and 233: Since the value of shore protection
Page 234 and 235: ANNEX 2 Figure C-6: Map of percent
Page 236 and 237: ANNEX 2 Figure C-8: Map of downstre
Page 238 and 239: References Baird, W.F. and Associat
Page 240 and 241: C. Coastal Processes Contextual Nar
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Given the current land use policies
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. In the case of the shore protecti
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e. With the ever increasing urban d
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8. Risk Assessment/Sensitivity Anal
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C. Coastal Processes Contextual Nar
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This interest suffered badly during
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5. Key Trends Construction along ri
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Finally, from a computational stand
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D. Commercial Navigation Technical
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More information on the socio-econo
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Participants Commercial Navigation
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. Number of stakeholders The St. La
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g. Trade flows and current market c
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Commercial navigation costs actuall
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5. Key Trends Provided below are hi
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Another adaptive measure to falling
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f. In Montreal, water levels impact
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U.S. Dollars ANNEX 2 Figure E-1: Sh
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Ice formation Ice cover stability i
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Hydroelectric Power Generation Tech
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Regionally, hydropower is seen main
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NYISO administers the Day Ahead Mar
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(b) The hydropower performance indi
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Synapse Energy Economics Inc. devel
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9. References The Hydroelectric Pow
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F. Municipal, Industrial and Domest
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Taste and odours performance indica
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Determining a critical elevation fo
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Water level in Pointe-Claire (m) Fi
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F. Municipal, Industrial and Domest
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7. Adaptive Behaviours The evaluati
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(d) History of the interest The Akw
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Under this project, the H&H TWG pro
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increases throughout the year. Mixi
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• build operational hydrology for
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Fan, Y. and Fay, D. (2001) Variatio
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I. Common Data Needs Technical Work
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Collection of detailed bathymetric
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• Metadata requirements Metadata
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FTP Support The first component of
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ANNEX 2 Figure J-3: Typical product
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ANNEX 3 Annex 3 Plan Descriptions a
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After discussions, the Plan Formula
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Table A-1: Constraints Applied to E
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Deviations The outflow calculated a
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The following list summarizes the a
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ANNEX 3 Figure B-3: Lake Ontario Av
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Lake Ontario level (m) 1.9 1.8 1.7
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ANNEX 3 Figure B-8: Cumulative Freq
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Total winter flow (10 m 3 /s - quar
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Plan 1958-DD - Appendix Detailed de
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SELECT CASE adjusted supply indicat
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If the Lake Ontario level is greate
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The inflow category (e.g., wet, dry
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Step 5 - Ice limit: Exactly the sam
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ANNEX 3 Figure B-18: Plan A + rule
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Other rules Plan B + has two additi
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Plan D + : Blended Benefits Objecti
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ANNEX 3 Figure B-19A: Lake Ontario
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ANNEX 3 Figure B-20: Lake Ontario s
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ANNEX 3 Figure B-21F: Long Sault Da
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Figure B-23 shows the three benefit
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Score Figure B-25: Score based on t
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Flow Constraints In addition to the
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This procedure is repeated until th
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Reference and Interest Specific Reg
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Plan 1958-D Regulation of Lake Onta
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4. The “I” limits, or ice limit
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Figure B-31 compares the scoring re
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Experimental variations In simpler
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C. Summary Tables of Plan Results T
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Historical Time Series (1900-2000)
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Environmental Results (Historical)
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Stochastic Supply Sequences Economi
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Table C-8: Economic results for can
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Table C-10: Economic results for ca
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Table C-12: Environmental results f
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Table C-14: Environmental results f
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ANNEX 4 Introduction Annex 4 Mitiga
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The great majority of potential act
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Great Lakes Advance Emergency Manag
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“(b) General Plan. (1) The Secret
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Adaptive Management Action Plan (AM
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difference in evaluations. If, for
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Coastal Monitoring Purpose: Monitor
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Adaptive Management Program Summary
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GLOSSARY OF TERMS ABIOTIC - Non-liv
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COASTAL EROSION - The wearing away
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EROSION - The wearing away of land
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HYDROLOGIC MODELING - The use of ph
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MEASURE, STRUCTURAL - Any measure t
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PUBLIC INFORMATION - Activities whe
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SUBSTRATE COMPOSITION - Categorical
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FINAL REPORT - International Joint Commission

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