Regional Scale Ecological Risk Assessment - Chapter 13 (end) potx

... contribution of risk from sources, risk in habitats, and risk to assessment endpoints can be calculated in a region. The ultimate differ- ence between an RRM risk assessment and traditional risk assessments ... Table 13. 4 and Table 13. 5 contain the risk ranks assigned for each source model (Figure 13. 3) as well as geographic data. Ranks and filters were integrated to 284...

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... Areas Aquatic Macroinvertebrates -Black Bear -Black-capped Chickadee -Deer Mouse -Red Squirrel -American Crow -Coyote -Dusky Shrew -Red-tailed Hawk -American Robin -Osprey -River Otter -Belted Kingfisher Contaminants -Chemicals ... CRC Press LLC 32 REGIONAL SCALE ECOLOGICAL RISK ASSESSMENT Table 2.3 Summary of the Risk Assessments Using the Relative Risk Model (contin ued)...

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... 2003, personal commu- nication). EVOLUTION OF THE MANAGEMENT DECISION /RISK ASSESSMENT LINK IN REGIONAL- SCALE ASSESSMENTS Risk assessors and managers involved in regional- scale assessments are ... 38 REGIONAL SCALE ECOLOGICAL RISK ASSESSMENT INTRODUCTION This chapter explores the important link between the regional (ecological) risk assessment (RRA) proc...

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... application of a RRM. The regional- scale model established relative risk scores that were generally supported by more tradi- tional and local -scale risk analyses. The relative risk framework accounted ... 56 REGIONAL SCALE ECOLOGICAL RISK ASSESSMENT possible in the Port. This decision added a regional perspective to the project resulting in a multiscaled assessment,...

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... and 92 REGIONAL SCALE ECOLOGICAL RISK ASSESSMENT The Relative Risk Approach 113 Risk Confirmation 114 Uncertainty 114 Utility 115 References 115 This assessment examined risk to spring chinook ... of Table 5 .13. Relative risk by habitat shows that native species 110 REGIONAL SCALE ECOLOGICAL RISK ASSESSMENT that spring chinook salmon and rainbow trout have...

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... 140 REGIONAL SCALE ECOLOGICAL RISK ASSESSMENT evaluate. Using a different IBI for one site (coldwater instead of warmwater) neces- sitated removal of that site from the overall upstream-to-downstream ... the first three com- perpendicular to the first, contains Graybill and Martin Bridge (Figure 6.9). The 120 REGIONAL SCALE ECOLOGICAL RISK ASSESSMENT INTRODUCTION The...

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... method- ology for evaluating future trends in risk. A recent issue of Human and Ecological Risk Assessment (April 2001) featured a Debate and Commentary section on regional- scale ecological ... LLC 158 REGIONAL SCALE ECOLOGICAL RISK ASSESSMENT Moore, D.R.J. 2001. The Anna Karenina principle applied to ecological risk assessments of multiple stressors,...

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... Red-backed Voles -Columbian Ground Squirrel -Horse -Cow -Chicken Omnivorous Wildlife -Black Bear - Black-capped Chickadee -Deer Mouse -Red Squirrel -American Crow Carnivorous Wildlife -Coyote -Dusky ... RISK MODEL Regional ecological risk assessment is concerned with describing and estimating risks to environmental resources at the regional scale or risks resulting from re...

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... relative risks per subarea to the aquatic fauna are presented in Figure 9.8 and Figure 9.9. The Betari catchment area (B) has a greater risk of being adversely 184 REGIONAL SCALE ECOLOGICAL RISK ASSESSMENT ... stressor–response relationships for prospective risk analysis, Environ. Toxicol. Chem ., 19, 1106–1112. Graham, R. et al. 1991. Ecological risk assessment at...

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... CRC Press LLC 200 REGIONAL SCALE ECOLOGICAL RISK ASSESSMENT Association. The USEPA Guidelines for Ecological Risk Assessment (USEPA 1998) were followed in selecting the assessment endpoints. ... in Appendix A). Risk Region Risk Scores Risk region risk scores represent the relative risks to each risk region. Each risk region risk score is a summation of all...

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