FIGURES 



Number Eage 



1 Distribution of Chamaecyparis thyoides 1 



2 Atlantic white cedar habitats in the palustrine system 3 



3 Atlantic white cedar habitats in the riverine system 3 



4 Cumloden Swamp, Falmouth, Massachusetts 4 



5 Origins of glacial kettle and outwash cedar wetlands 5 



6 Origins of backswamp cedar wetlands 5 



7 Atlantic white cedar logs in exposed freshwater peat underlying a salt marsh 6 



8 Atlantic white cedar migration routes 8 



9 Macrofossil sediment stratigraphy in glaciated cedar wetlands 9 



10 Distribution of glacial moraines and ice readvance localities in Northeastern United States . . . 11 



11 Distribution of C/iamaecypar/'s thyoides in towns of the glaciated Northeastern United States. 12 



12 Vegetationof the Hackensack Meadows 1819- 1896 17 



13 Atlantic white cedar in the Delman/a 18 



14 Presettlement range of Atlantic white cedar in the Carolinas 19 



15 Location of Great Dismal Swamp National Wildlife Refuge 20 



16 Section and plan views of a Carolina bay with Atlantic white cedars 23 



17 Atlantic white cedar in southeastern United States 24 



1 8 Cedar bordering a Florida sand-bottom creek 25 



19 Morphology of CAiamaecypar/s frtyo/des 28 



20 Radial annual growth cun/es of Atlantic white cedar 29 



21 Water levels in six Rhode Island cedar swamps 31 



22 Substrate cross section through a bog formerly dominated by Chamaecyparis thyoides .... 33 



23 Flow diagram of cedar wetland dynamics 35 



24 Composite illustrated flora: "Constant companions" of Atlantic white cedar 38 



25 Effectsof fire during high water 47 



26 Effects of fire during low water 48 



27 Effects of permanent lowering of water level 49 



28 Effects of flood 50 



29 Effects of windthrow 51 



30 Hydrological effects of ditches 53 



31 Amphibious feller-buncher 56 



32 Cedar regeneration after harvest 58 



33 Management scheme 59 



34 Forest management schematic for the Great Dismal Swamp 62 



35 Vegetation communities of the Great Dismal: Current 64 



36 Vegetation communities of the Great dismal: 25-yr projection, no-action option 65 



37 Vegetation communities of the Great Dismal: 100-yr projection, no-action option 66 



38 Alligator River National Wildlife Refuge 68 



39 Soils of mainland Dare County 71 



40 White cedar wetlands of mainland Dare County 74 



VI 



