Pierre River Mine Project

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TERRESTRIAL AENV SIRS 44 – 78 Section 13.1 peer-reviewed literature that would support this assertion. Clearly articulate the ecological theory that would support the argument. Response 64a Shell is not suggesting that these displaced individuals will result in increased abundance of wildlife in the remaining habitat for 25 to 50 years. Wildlife abundance may increase initially. However, over time the abundance of wildlife in the adjacent area will change relative to the species-specific carrying capacity of habitat types in the adjacent landscape. If the surrounding landscape is not at carrying capacity, then densities may remain higher than before clearing. However, if the landscape is at carrying capacity or if there are other factors suppressing wildlife abundance (e.g., predation, hunting), the wildlife densities may decline to pre-clearing levels over time. Empirical data demonstrating these relationships are not available for most wildlife Key Indicator Resources. However, sufficient data are available for moose. Using moose as an example, moose populations are usually below carrying capacity of the habitat (i.e., the food-limited population density equilibrium) because of the effects of other factors (e.g., predation, competition, human harvest). For example, Messier (1994) and Messier and Joly (2000) estimated that the presence of wolves was sufficient to suppress moose population densities from 2.0 moose/km 2 to about 1.3 moose/km 2 , while wolves and black bears together could suppress population densities to 0.2 to 0.4 moose/km 2 . Human harvest could suppress moose populations further. There is evidence that the habitat surrounding the local study area (LSA) may be underexploited by moose. Measured population density within the regional study area (RSA) of 0.2 is very low relative to the carrying capacity estimate of Crete (1997) and Messier (1994). Wolves and black bears are present in the RSA, and are likely suppressing moose population densities well below a food-limited carrying capacity (Messier 1994, Messier and Joly 2000). Also, moose hunting is a very common activity in the RSA (ASRD 2009), and likely has reduced moose populations. Annual regulated harvest from wildlife management units (WMUs) in the RSA is about 100 per year (e.g., 104 in 2008, 106 in 2007). Moose are a staple for First Nations in the region and their unregulated harvest is likely substantive. In addition, there has been a documented relationship in northern Alberta of increasing moose populations with increasing levels of human development (Schneider and Wasel 2000). This has been hypothesized to be due to lower predation and hunting pressure near areas of extensive human development in Alberta, as well as increasing forage availability with increasing forest fragmentation (Schneider and Wasel 2000). Mean population density in the White Zone of northern Alberta has been estimated to be about 0.50 moose/km 2 (Schneider and Wasel 2000), and moose populations in the Oil Sands Region could reach this level. Most moose within the LSA will be displaced by habitat loss. Assuming that the moose density in the surrounding area is similar, when these moose are displaced to adjacent land of equivalent size, the moose density in the surrounding areas would double to 0.44 moose/km 2 . This density is slightly greater than the highest reported density in the Oil Sands Region, but just 22% of the food-limited April 2010 Shell Canada Limited 13-49 CR029
TERRESTRIAL AENV SIRS 44 – 78 References Question No. 65 Section 13.1 carrying capacity put forward by Crete (1987) and Messier (1994). The timeframe in which a moose population density of 0.44 moose/km 2 can be achieved will depend on regional moose management actions. If wolf densities, black bear densities and hunting (i.e., licensed and First Nations harvest) are not regulated, then population densities will likely be reduced to levels present before the project. ASRD (Alberta Sustainable Resource Development). 2009. Resident hunter harvest. http://www.mywildalberta.com/Hunting/GameSpecies/ResidentHunters Harvest.aspx. Accessed October 30, 2009. Crete, M. 1987. The impact of sport hunting on North American moose. Swedish Wildlife Research Supplement 1:553-563. Messier, F. 1994. Ungulate population models with predation: a case study with the North American moose. Ecology. 75: 478-488. Messier, F. and D.O. Joly. 2000. Comment: regulation of moose populations by wolf predation. Canadian Journal of Zoology 78: 506-510. Schneider, R.R. and S. Wasel. 2000. The effect of human settlement on the density of moose in northern Alberta. The Journal of Wildlife Management 64(2): 513-520. Request Volume 2, SIR 450a, Page 23-109. CEMA used modelling to assess potential impacts of landscape change and compare different management/mitigation options. From a high level it is expected that the results of the CEMA SEWG modelling should be similar to those completed for environmental impact assessments in the area, as both are intended to provide insight into what the future might hold based on proposed activity in the regional area. Generally, the CEMA SEWG modelling showed a decline in wildlife KIR populations as a result of landscape impacts. 65a The modelling presented by Shell largely does not reflect this decline. Discuss why. 13-50 Shell Canada Limited April 2010 CR029
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Application for Approval of the Pie
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PIERRE RIVER MINE SUPPLEMENTAL INFO
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CONTENTS LIST OF ILLUSTRATIONS Tabl
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INTRODUCTION OVERVIEW Table 1-1: Gu
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INTRODUCTION NAVIGABLE WATERS Secti
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INTRODUCTION NAVIGABLE WATERS Secti
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Section 2.2 ERRATA EIA, EIA UPDATE
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Section 2.2 ERRATA EIA, EIA UPDATE
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Section 2.3 ERRATA SUPPLEMENTAL INF
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Section 2.3 ERRATA SUPPLEMENTAL INF
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MINING AND PROCESSING ERCB SIRS 3 -
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AIR ERCB SIRS 40 - 45 Request 41b B
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AIR ERCB SIRS 40 - 45 Table ERCB 41
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AIR ERCB SIRS 40 - 45 Community Tab
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AIR ERCB SIRS 40 - 45 Local Study A
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AIR ERCB SIRS 40 - 45 Question No.
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AIR ERCB SIRS 40 - 45 Question No.
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WATER ERCB SIRS 46 - 79 Section 7.1
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WATER ERCB SIRS 46 - 79 Question No
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WATER ERCB SIRS 46 - 79 References
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WATER ERCB SIRS 46 - 79 References
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GENERAL AENV SIRS 1 - 5 Figure AENV
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GENERAL AENV SIRS 1 - 5 Question No
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GENERAL AENV SIRS 1 - 5 Solid Secti
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AIR AENV SIRS 6 - 14 Question No. 7
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AIR AENV SIRS 6 - 14 Section 11.1 R
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AIR AENV SIRS 6 - 14 Vehicle Emissi
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AIR AENV SIRS 6 - 14 References Sec
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WATER AENV SIRS 15 - 43 Section 12.
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WATER AENV SIRS 15 - 43 References
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WATER AENV SIRS 15 - 43 Decay Rates
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WATER AENV SIRS 15 - 43 Question No
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WATER AENV SIRS 15 - 43 • tempera
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EPEA APPROVALS AENV SIRS 90 - 96 Qu
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EPEA APPROVALS AENV SIRS 90 - 96 Se
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GLOSSARY CEAA The abbreviation for
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GLOSSARY ESR The abbreviation for e
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GLOSSARY landform The configuration
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GLOSSARY OSDG The abbreviation for
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GLOSSARY SEWG The abbreviation for
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