Sarah Ivory is an ecologist and geologist who uses fossil pollen records to better understand past ecosystem change in order to inform future conservation strategies. She also works with models and remote sensing data to observe the processes that drive tropical ecological change and vegetation responses to climate in the past. This work focuses on vegetation and climate history from the recent past to millions of years ago in order to evaluate future range changes and land-use impacts in hotspots of global biodiversity.
In the News
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Projects
Recent Publications
Long-term drivers and timing of accelerated vegetation changes in African biomes and their management implications
Adeleye, M. A., Connor, S. E., Haberle, S. G., Ivory, S. & Adeonipekun, P. A., Aug 2022, In: Global Ecology and Biogeography. 31, 8, p. 1643-1654 12 p.Research output: Contribution to journal › Article › peer-review
Increased Erosion Rates Following the Onset of Pleistocene Periglaciation at Bear Meadows, Pennsylvania, USA
Del Vecchio, J., DiBiase, R. A., Corbett, L. B., Bierman, P. R., Caffee, M. W. & Ivory, S. J., Feb 28 2022, In: Geophysical Research Letters. 49, 4, e2021GL096739.Research output: Contribution to journal › Article › peer-review
The dynamics of warming during the last deglaciation in high-elevation regions of Eastern Equatorial Africa
Garelick, S., Russell, J., Richards, A., Smith, J., Kelly, M., Anderson, N., Jackson, M. S., Doughty, A., Nakileza, B., Ivory, S., Dee, S. & Marshall, C., Apr 1 2022, In: Quaternary Science Reviews. 281, 107416.Research output: Contribution to journal › Article › peer-review
Cutmarked bone of drought-tolerant extinct megafauna deposited with traces of fire, human foraging, and introduced animals in SW Madagascar
Hixon, S. W., Domic, A. I., Douglass, K. G., Roberts, P., Eccles, L., Buckley, M., Ivory, S., Noe, S. & Kennett, D. J., Dec 2022, In: Scientific reports. 12, 1, 18504.Research output: Contribution to journal › Article › peer-review
Gondwanan survivor lineages and the high-risk biogeography of Anthropocene Southeast Asia
Kooyman, R. M., Ivory, S. J., Benfield, A. J. & Wilf, P., Jul 2022, In: Journal of Systematics and Evolution. 60, 4, p. 715-727 13 p.Research output: Contribution to journal › Article › peer-review
SEDIMENTARY GEOCHEMISTRY OF DEEPWATER SLOPE DEPOSITS IN SOUTHERN LAKE TANGANYIKA (EAST AFRICA): EFFECTS OF UPWELLING AND MINOR LAKE LEVEL OSCILLATIONS
McGlue, M. M., Ellis, G. S., Brannon, M. A., Latimer, J. C., Stone, J. R., Ivory, S. J., Mganza, N. E., Soreghan, M. J. & Scholz, C. A., 2022, In: Journal of Sedimentary Research. 92, 8, p. 721-738 18 p.Research output: Contribution to journal › Article › peer-review
Influence of Late Holocene Climate Change and Human Land Use on Terrestrial and Aquatic Ecosystems in Southwest Madagascar
Domic, A. I., Hixon, S. W., Velez, M. I., Ivory, S. J., Douglass, K. G., Brenner, M., Curtis, J. H., Culleton, B. J. & Kennett, D. J., Dec 7 2021, In: Frontiers in Ecology and Evolution. 9, 688512.Research output: Contribution to journal › Article › peer-review
Drought coincided with, but does not explain, late holocene megafauna extinctions in SW Madagascar
Hixon, S. W., Curtis, J. H., Brenner, M., Douglass, K. G., Domic, A. I., Culleton, B. J., Ivory, S. J. & Kennett, D. J., Sep 2021, In: Climate. 9, 9, 138.Research output: Contribution to journal › Article › peer-review
Climate, vegetation, and weathering across space and time in Lake Tanganyika (tropical eastern Africa)
Ivory, S. J., McGlue, M. M., Peterman, C., Baldwin, P., Lucas, J., Cohen, A., Russell, J., Saroni, J., Msaky, E., Kimirei, I. & Soreghan, M., Apr 2021, In: Quaternary Science Advances. 3, 100023.Research output: Contribution to journal › Article › peer-review
Human landscape modification and expansion of tropical woodland in southern Arabia during the mid-Holocene from rock hyrax middens
Ivory, S. J., Cole, K. L., Anderson, R. S., Anderson, A. & McCorriston, J., Oct 2021, In: Journal of Biogeography. 48, 10, p. 2588-2603 16 p.Research output: Contribution to journal › Article › peer-review
Erratum: Global acceleration in rates of vegetation change over the past 18,000 years (Science DOI: 10.1126/science.abg1685)
Mottl, O., Flantua, S. G. A., Bhatta, K. P., Felde, V. A., Giesecke, T., Goring, S., Grimm, E. C., Haberle, S., Hooghiemstra, H., Ivory, S., Kuneš, P., Wolters, S., Seddon, A. W. R. & Williams, J. W., Jul 9 2021, In: Science. 373, 6551, eabk222.Research output: Contribution to journal › Comment/debate › peer-review
Global acceleration in rates of vegetation change over the past 18,000 years
Mottl, O., Flantua, S. G. A., Bhatta, K. P., Felde, V. A., Giesecke, T., Simon Goring, G., Grimm, E. C., Haberle, S., Hooghiemstra, H., Ivory, S., Kuneš, P., Wolters, S., Seddon, A. W. R. & Williams, J. W., May 21 2021, In: Science. 372, 6544, p. 860-864 5 p.Research output: Contribution to journal › Review article › peer-review
Early human impacts and ecosystem reorganization in southern-central Africa
Thompson, J. C., Wright, D. K., Ivory, S. J., Choi, J. H., Nightingale, S., Mackay, A., Schilt, F., Otárola-Castillo, E., Mercader, J., Forman, S. L., Pietsch, T., Cohen, A. S., Arrowsmith, J. R., Welling, M., Davis, J., Schiery, B., Kaliba, P., Malijani, O., Blome, M. W., O'Driscoll, C. A., & 8 others, May 5 2021, In: Science Advances. 7, 19, eabf9776.Research output: Contribution to journal › Article › peer-review
The emergence and intensification of early hunter-gatherer niche construction
Thompson, J. C., Wright, D. K. & Ivory, S. J., Jan 1 2021, In: Evolutionary anthropology. 30, 1, p. 17-27 11 p.Research output: Contribution to journal › Article › peer-review
Phytoliths, pollen, and microcharcoal from the Baringo Basin, Kenya reveal savanna dynamics during the Plio-Pleistocene transition
Yost, C. L., Ivory, S. J., Deino, A. L., Rabideaux, N. M., Kingston, J. D. & Cohen, A. S., May 15 2021, In: Palaeogeography, Palaeoclimatology, Palaeoecology. 570, 109779.Research output: Contribution to journal › Article › peer-review