SUMMARY TERRA-1 TERRA-2 TERRA-3 TERRA-4 TERRA-5 SOCIO-1 SOCIO-2 SOCIO-3 SOCIO-4 SOCIO-5 SOCIO-6 SOCIO-7 TIMBR-1 TIMBR-2 TIMBR-3 HLTH-1 HLTH-2 HLTH-3 AQUA-1 AQUA-2 AQUA-3 AQUA-4 AQUA-5 HISTORY FIRE PDF (1.6M)

HLTH-3: Abiotic Factors

1 Key Findings

2 Introduction

3 Acid Deposition

3.1 Acid Deposition Methodology: Current Conditions

3.2 Acid Deposition Methodology: Future Predictions

3.3 Acid Deposition Data Sources

3.4 Acid Deposition Results

3.5 Acid Deposition Discussion and Conclusions

3.6 Acid Deposition Needs for Additional Research

4 Ozone

4.1 Ozone Methodology: Current Conditions

4.2 Ozone Methodology: Future Predictions

4.3 Ozone Data Sources

4.4 Ozone Results

4.5 Ozone Discussion and Conclusions

4.6 Ozone Needs for Additional Research

5 Climate Change and Extreme Weather-Related Events

5.1 Extreme Weather-Related Event Methodology: Current Conditions

5.2 Climate Change Methodology: Future Predictions

5.3 Climate Change and Extreme Weather-Related Event Data Sources

5.4 Climate Change and Extreme Weather-Related Event Results

5.5 Climate Change and Extreme Weather-Related Event Discussion and Conclusions

5.6 Climate Change and Extreme Weather-Related Event Needs for Additional Research

6 Carbon Sequestration

6.1 Carbon Sequestration Methodology: Current Conditions

6.2 Carbon Sequestration Methodology: Future Predictions

6.3 Carbon Sequestration Data Sources

6.4 Carbon Sequestration Results

6.5 Carbon Sequestration Discussion and Conclusions

6.6 Carbon Sequestration Needs for Additional Research

7 Conclusions

8 Acknowledgments

9 Literature Cited

10 Tables and Figures

Table 1--Acid Neutralizing Capacity (ANC) categories for brook trout response

Table 2--Estimates of ambient O₃ effects on growth of forest tree species

Table 3--Aboveground tree carbon by owner group

Table 4--Aboveground tree carbon by forest type group

Table 5--Current and predicted forestland distribution by ownership and forest type

Figure 1--Current (1999) distribution of sulfate deposition

Figure 2--Current (1999) distribution of nitrogen deposition

Figure 3--Distribution of spruce-fir and other southern forest types in eastern TN, western NC and southern VA

Figure 4--Three-month maximum daily SUM06 ozone exposure grid for 1990 showing spatial variability in ozone concentrations

Figure 5--PnET-II model predictions of total potential annual southern forest growth for 2000

Figure 6--PnET-II model predictions of total potential annual southern forest growth for 2040

Figure 7--PnET-II model predictions of total potential annual southern forest growth for 2090

Figure 8--Current and future vegetation distribution as predicted by the biogeography models MC1 and MAPSS

Figure 9--Average carbon uptake on land by age class of regeneration after harvest

Figure 10--Total aboveground carbon per acre

Figure 11--Current and future carbon inventory by year

Figure 12--Estimated disposition of carbon on a highly productive southern site 40 years after harvest

Figure 13-Fate of current and future carbon in wood removed from southern forests