Collaborate research paleoveg mapping "JONATHAN ADAMS" , "ALWYNNE BEAUDOIN" , "PIERRE RICHARD" RECONSTRUCTION TIME PERIODS 5,000 14C y.a. Middle Holocene 8,000 14C y.a. Early Middle Holocene 9,000 14C y.a. Early Holocene Xerothermic, Pluvial 10,000 14C y.a. Early Holocene 11,000 14C y.a. Younger Dryas 12,000 14C y.a. Warm Period 13,000 14C y.a. Ice Free Corridor 14,000 14C y.a. Early Warming 18,000 - 15,000 14C y.a. LGM 28,000 - 25,000 14C y.a. before LGM - - - - - - - - 28,000 - 25,000 14C y.a. slightly before LGM 1. Humptulips W. Hemlock, Mtn. Hemlock, pine 16. Mid tiaga 2. Carp Lake Artemisia Gramineae Pinus 23. Cool Semi-desert 3. Middle Butte Cave Artemisia, Tubulifl., Gram. 23. Cool Semi-desert Grays Lake Artemisia, Pinus, Tubulifl. 23. Cool Semi-desert 4. Chewacan Marsh 6. Great Salt Lake Artemisia Cheno-Am Pine 23. Cool Semi-desert 7. Clear Lake Pine, oak 11. Cool temp. Conifer 8. Tule Lake Pine, Artemisia 18. Temp. Woodland conif. 11. Tulare Lake Juniper, Pine, Artemisia 18. Temp. Woodland conif. 12. Owens Lake Juniper, Pine, Artemisia 18. Temp. Woodland conif. 13. Santa Barbara Juniper, Pine, Artemisia 18. Temp. Woodland conif. 14. Walker Lake Pinus, Artemisia, Gramineae 18.Temp. Woodland conif. 15. Hay Lake Pinus, Artemisia, Gramineae 18.Temp. Woodland conif. Potato Lake Picea, Artemisia, Pinus 16. Mid tiaga 16. Dead Man Lake Artemisia, Pinus, Picea 19. Alpine tundra 17. Splains Lake Artemisia, Pinus, Picea 19. Alpine tundra 21. Guaymas Trench Juniper, Chenopods, Gramineae 18. Temp. Woodland conif. 22. Cheyenne Btms Artemisia Gramineae Ambrosia 24b. Steppe 25. Patzcuaro Pinus, Quercus, Alnus, Juniperus 18. Temp. Woodland Texcoco Pinus, Quercus, Gramineae 18. Temp. Woodland 28. V. Lachner Bog Gramineae, Alnus, Podocarpus 9. Savanna 30. El Valle Gramineae, Tubulifl., Urtic/Mor 24. Steppe - - - - - - - - 18,000 - 15,000 14C y.a. slightly before LGM 1. Humptulips Grass, Comp. Pine, Mtn. Hemlock ~19. Alpine tundra 2. Carp Lake Artemisia Gramineae 23. Cool Semi-desert Battleground Grass Cyperac, Pine 19. Alpine tundra 3. Middle Butte Cave Artemisia, Tubulifl., Gram. 23. Cool Semi-desert Grays Lake Pinus, Artemisia, Cyper. Tubulifl. ~11. Cool temp. Conifer 4. Chewacan Marsh 6. Great Salt Lake Pinus, Artemisia, Gram. ~23. Cool temp. Conifer 7. Clear Lake Pine, Cupressaceae 11. Cool temp. Conifer 8. Tule Lake Juniper, Pine, Artemisia 18. Temp. Woodland conif. 12. Owens Lake Juniper, Pine, Artemisia 18. Temp. Woodland conif. 13. Santa Barbara Juniper, Pine, Compositae 18. Temp. Woodland conif. 14. Walker Lake Pinus, Artemisia, Gramineae 18. Temp. Woodland conif. 15. Hay Lake Pinus, Artemisia, Gramineae 18. Temp. Woodland conif. Potato Lake Picea, Artemisia, Pinus 16. Mid tiaga 16. Dead Man Lake Artemisia, Pinus, Picea 19. Alpine tundra 17. Splains Lake Cyperaceae Artemisia, Pinus, 19. Alpine tundra 19. San Agustin Pl Pinus, Picea, Artemisia, 16. Mid tiaga 21. Guaymas Trench Juniper, Artemisia, Chenopods, ~18. Temp. Woodland conif. 22. Boriack Bog Alnus, Juniperus, Quercus 25. Patzcuaro Alnus, Juniperus, Pinus, Quercus 18. Temp. Woodland Texcoco Pinus, Fir, Spruce 18. Temp. Woodland 28. V. Lachner Bog Gramineae, Alnus, Podocarpus 9. Savanna 30. El Valle Gramineae 24. Steppe Tundra expands in the Pacific Northwest Woodlands expand in the Northern Great Basin and High Plains - - - - - - - - 14,000 14C y.a. Early Warming 1. Humptulips Grass, Comp. Pine, Mtn. Hemlock 19. Alpine tundra 2. Carp Lake Grass, Artemisia Gramineae ~23. Alpine tundra Battleground Artemisia, Pine ~19. Cool Semi-desert 3. Middle Butte Cave Artemisia, Tubulifl., Gram. 23. Temp. Semi-desert Grays Lake Pinus, Artemisia, Cyper. Tubulifl. 11. Cool temp. Conifer 4. Chewacan Marsh 6. Great Salt Lake Artemisia, Pinus, Gram. ~19. Cool Semi-desert 7. Clear Lake Pine, Cupressaceae 11. Cool temp. Conifer 8. Tule Lake Pine, Juniper, Artemisia 18. Temp. Woodland conif. 12. Owens Lake Juniper, Pine, Artemisia 18. Temp. Woodland conif. 13. Santa Barbara Juniper, Quercus, Pine 18. Temp. Woodland conif. 14. Walker Lake Pinus, Quercus, Artemisia 18. Temp. Woodland conif. 15. Hay Lake Artemisia, Pinus, Gramineae ~19. Cool Semi-desert Potato Lake Picea, Artemisia, Pinus 16. Mid tiaga 16. Dead Man Lake Pinus, Artemisia, Picea ~16. Mid tiaga 17. Splains Lake Cyperaceae Artemisia, Pinus, 19. Alpine tundra 19. San Agustin Pl Pinus, Picea, Artemisia, 16. Mid tiaga 21. Guaymas Trench Juniper, Artemisia, Chenopods, 18. Temp. Woodland conif. 22. Boriack Bog Alnus, Juniperus, Quercus 18. Temp. Woodland 25. Patzcuaro Alnus, Juniperus, Pinus, Quercus 18. Temp. Woodland Texcoco Pinus 18. Temp. Woodland 28. V. Lachner Bog Gramineae, Alnus, Podocarpus 9. Savanna 30. El Valle Quercus Gramineae ~9. Savanna - - - - - - - - 13,000 14C y.a. Ice Free Corridor 1. Humptulips Pine, Spruce, Mtn. Hemlock ~11. Cool temp. Conifer 2. Carp Lake Artemisia, Pine ~19. Cool Semi-desert Battleground Grass, Artemisia Gramineae ~23. Alpine tundra 3. Middle Butte Cave Artemisia, Tubulifl., Gram. 23. Temp. Semi-desert Grays Lake Pinus, Artemisia, Cyper. Tubulifl. 11. Cool temp. Conifer Hendricks L Picea, Artemisia ~16. Mid Tiaga 4. Chewacan Marsh 6. Great Salt Lake Artemisia, Pinus, Gram. 19. Cool Semi-desert 7. Clear Lake Pine, Quercus, Cupressaceae 18. Temp. Woodland conif. 9. Swamp Lake Pine, Artemisia, Mtn Hemlock ~11. Cool temp. Conifer 12. Owens Lake Juniper, Pine, Artemisia 18. Temp. Woodland conif. 13. Santa Barbara Quercus, Compositea, RRA 18. Temp. Woodland conif. 14. Walker Lake Pinus, Ambrosia, Artemisia 18. Temp. Woodland conif. 15. Hay Lake Artemisia, Pinus, Gramineae 19. Cool Semi-desert Potato Lake Pinus, Picea, Artemisia, 16. Mid tiaga 16. Dead Man Lake Pinus, Artemisia, Picea 16. Mid tiaga 17. Splains Lake Cyperaceae Artemisia, Pinus, 19. Alpine tundra 19. San Agustin Pl Pinus, Gramineae, Artemisia, 11. Cool temp. Conifer 21. Guaymas Trench Juniper, Chenopods, 18. Temp. Woodland conif. 22. Boriack Bog Alnus, Juniperus, Quercus 18. Temp. Woodland 25. Patzcuaro Alnus, Juniperus, Pinus, Quercus 18. Temp. Woodland Texcoco Pinus 18. Temp. Woodland 28. V. Lachner Bog Quercus Gramineae 9. Savanna - - - - - - - - 12,000 14C y.a. Warm Period 1. Humptulips Pine, 11. Cool temp. Conifer 2. Carp Lake Gramineae Artemisia, Pine 19. Cool Semi-desert Battleground Grass, Alnus, Gramineae ~11. Cool temp. Conifer 3. Middle Butte Cave Artemisia, Chenopods. Tubulifl. 23. Temp. Semi-desert Grays Lake Pinus, Artemisia, Cyper. Tubulifl. 11. Cool temp. Conifer Hendricks L Picea, Artemisia 16. Mid Tiaga 4. Chewacan Marsh 6. Great Salt Lake Artemisia, Chenopods., Gram. 19. Cool Semi-desert 7. Clear Lake Pine, Alnus, Cupressaceae 18. Temp. Woodland conif. 9. Swamp Lake Pine, Quercus, Abies 11. Cool temp. Conifer 12. Owens Lake Pine, Artemisia 18. Temp. Woodland conif. 13. Santa Barbara Quercus, Compositea, RRA 18. Temp. Woodland conif. 14. Walker Lake Ambrosia, Chenopods., Artemisia ~19. Cool Semi-desert 15. Hay Lake Artemisia, Pinus, Gramineae 19. Cool Semi-desert Potato Lake Pinus, Picea, Artemisia, 16. Mid tiaga 17. Splains Lake Pinus, Abies, Quercus ~11. Cool temp. Conifer 19. San Agustin Pl Pinus, Gramineae, Artemisia, 11. Cool temp. Conifer 21. Guaymas Trench Gramineae, Chenopods, ~23. Temp. Semi-desert 22. Boriack Bog Chenopods, Umbelliferae ~24b. Steppe 25. Patzcuaro Pinus, Quercus 18. Temp. Woodland Texcoco Pinus 18. Temp. Woodland - - - - - - - - 11,000 14C y.a. Younger Dryas 1. Humptulips Alder, Doug Fir, Fern ~18. Temp. Woodland conif. 2. Carp Lake Gramineae Artemisia, Pine 19. Cool Semi-desert Battleground Pinus, Abies 11. Cool temp. Conifer 3. Rattlesnake Cave Artemisia, Chenopods. Tubulifl. 23. Temp. Semi-desert Grays Lake Artemisia, Pinus, Cyper. Tubulifl. ~19. Cool Semi-desert Hendricks L Pinus, Artemisia, Picea ~11. Cool temp. Conifer 4. Chewacan Marsh 6. Great Salt Lake Artemisia, Chenopods., Gram. 19. Cool Semi-desert 7. Clear Lake Quercus, Alnus, Cupressaceae 18. Temp. Woodland conif. 9. Swamp Lake Pine, Quercus, 11. Cool temp. Conifer 12. Owens Lake Pine, Chenopods., Artemisia 18. Temp. Woodland conif. 13. Santa Barbara Pinus, Quercus, RRA 13. Mediter. Sclerophyll 14. Walker Lake Ambrosia, Chenopods., Artemisia 19. Cool Semi-desert 19. San Agustin Pl Pinus, Chenopods, Sarcobatus ~19. Cool Semi-desert 21. Guaymas Trench Gramineae, Chenopods, 23. Temp. Semi-desert 22. Boriack Bog Alnus, Juniperus, Quercus ~18. Temp. Woodland 25. Patzcuaro Pinus, Quercus 18. Temp. Woodland Texcoco Pinus 18. Temp. Woodland - - - - - - - - 10,000 14C y.a. Early Holocene 1. Humptulips Alder, Doug Fir, Fern 18. Temp. Woodland conif. 2. Carp Lake Gramineae Artemisia,Chenopods. 19. Cool Semi-desert Battleground Alnus, Pseudotsuga ~23. Temp. Semi-desert 3. Rattlesnake Cave Chenopods, Artemisia, Tubulifl. 23. Temp. Semi-desert Grays Lake Chenopods, Gramineae, Cyper. 19. Cool Semi-desert Hendricks L Pinus, Artemisia, 11. Cool temp. Conifer 4. Chewacan Marsh 6. Great Salt Lake Artemisia, Chenopods., Gram. 19. Cool Semi-desert 7. Clear Lake Quercus, Alnus, Cupressaceae 18. Temp. Woodland conif. 9. Swamp Lake Pine, Quercus, Cupressaceae ~18. Temp. Woodland conif. 11. Tulare Lake Quercus Compositae ~11. Cool temp. Conifer 13. Santa Barbara Pinus, Quercus, RRA 13. Mediter. Sclerophyll 14. Walker Lake Pinus, Ambrosia, Chenopods. ~18. Temp. Woodland conif. 19. San Agustin Pl Chenopods, Sarcobatus 19. Cool Semi-desert 21. Guaymas Trench Gramineae, Chenopods, ~5. Tropical Semi-desert 22. Boriack Bog Gramineae, Quercus ~24b. Steppe - - - - - - - - 9,000 14C y.a. Early Holocene Xerothermic, Pluvial 1. Humptulips W. Hemlock, Spruce, Alder 18. Temp. Woodland conif. 2. Carp Lake Chenopods., Gramineae Artemisia, 19. Cool Semi-desert Battleground Tubulifl. ~18. Temp. Woodland conif. 3. Rattlesnake Cave Chenopods, Artemisia, 23. Temp. Semi-desert Grays Lake Gramineae, Artemisia, Chenopods, 19. Cool Semi-desert Hendricks L Pinus, Gramineae, 11. Cool temp. Conifer 4. Chewacan Marsh 6. Great Salt Lake Artemisia, Chenopods., Gram. 19. Cool Semi-desert 7. Clear Lake Quercus, Alnus, Cupressaceae 18. Temp. Woodland conif. 9. Swamp Lake Quercus, Pine, Cupressaceae 18. Temp. Woodland conif. 10. Barrett Lake Pine, Artemisia ~11. Cool temp. Conifer Exchequer Pine, Artemisia ~11. Cool temp. Conifer 11. Tulare Lake Quercus Compositae ~11. Cool temp. Conifer 13. Santa Barbara Quercus, Compositea, 13. Mediterannian Sclerophyl 14. Walker Lake Chenopods., Ambrosia, Artemisia ~18. Temp. Woodland conif. 19. San Agustin Pl Chenopods, Sarcobatus 19. Cool Semi-desert 21. Guaymas Trench Gramineae, Chenopods, 5. Tropical Semi-desert 22. Boriack Bog Gramineae, Quercus 24b. Steppe - - - - - - - - 8,000 14C y.a. Early Middle Holocene 1. Humptulips W. Hemlock, Spruce, Alder 18. Temp. Woodland conif. 2. Carp Lake Pinus, Gramineae ~11. Cool temp. Conifer Battleground Pinus, Pseudotsuga ~11. Cool temp. Conifer 3. Rattlesnake Cave Chenopods, Artemisia, 23. Temp. Semi-desert Grays Lake Artemisia, Gramineae, Chenopods, ~23. Temp. Semi-desert Hendricks L Pinus, Artemisia 11. Cool temp. Conifer 4. Chewacan Marsh 6. Great Salt Lake Artemisia, Chenopods., Gram. 19. Cool Semi-desert 7. Clear Lake Quercus, Alnus, 18. Temp. Woodland conif. 9. Swamp Lake Pine, Quercus, Cupressaceae ~11. Cool temp. Conifer 10. Barrett Lake Pine, Artemisia 16. Mid Tiaga Exchequer Pine, Artemisia 16. Mid Tiaga 11. Tulare Lake Quercus Compositae ~23. Temp. Semi-desert 13. Santa Barbara Quercus, Compositea, 13. Mediterannian Sclerophyl 14. Walker Lake Chenopods., Ambrosia, Artemisia 11. Cool temp. Conifer 19. San Agustin Pl Chenopods, Sarcobatus 19. Cool Semi-desert 21. Guaymas Trench Gramineae, Chenopods, 5. Tropical Semi-desert 22. Boriack Bog Gramineae, Quercus 24b. Steppe 25. Patzcuaro Pinus, Quercus, Alnus 18. Temp. Woodland conif. 26. San Nicholas Pinus, Quercus 18. Temp. Woodland conif. - - - - - - - - 5,000 14C y.a. Middle Holocene 1. Humptulips W. Hemlock, Picea, Alder 18. Temp. Woodland conif. 2. Carp Lake Pinus,Quercus 11. Cool temp. Conifer Battleground Pinus, Pseudotsuga 11. Cool temp. Conifer 3. Rattlesnake Cave Artemisia, Chenopods, ~16. Mid Tiaga Grays Lake Artemisia, Gramineae, Chenopods, 23. Temp. Semi-desert Hendricks L Pinus, Artemisia 11. Cool temp. Conifer 4. Chewacan Marsh 6. Great Salt Lake Artemisia, Chenopods., Gram. 19. Cool Semi-desert 7. Clear Lake Quercus, Rhamnaceae ~13. Mediter. Sclerophyll 9. Swamp Lake Cupressaceae, Pine, Quercus, 11. Cool temp. Conifer 10. Barrett Lake Pine, Artemisia 16. Mid Tiaga Exchequer Pine, Artemisia 16. Mid Tiaga 11. Tulare Lake Quercus Compositae ~24b. Steppe 13. Santa Barbara Quercus, Chenopods., Compositea, ~24b. Steppe 14. Walker Lake Chenopods., Ambrosia, Artemisia 23. Temp. Semi-desert 19. San Agustin Pl Chenopods, Sarcobatus 19. Cool Semi-desert 21. Guaymas Trench Gramineae, Chenopods, 5. Tropical Semi-desert 22. Boriack Bog Gramineae, Quercus 24b. Steppe 25. Patzcuaro Pinus, Quercus, Alnus 18. Temp. Woodland conif. 26. San Nicholas Pinus, Quercus 18. Temp. Woodland conif.