Twenty-first century emergence of alpine fire in Central African mountains

  • Cordero, R. R. et al. Extreme fire weather in Chile driven by climate change and El Niño–Southern Oscillation (ENSO). Sci. Rep. 14, 1974 (2024).

    Article 
    ADS 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Jones, M. W. et al. Global rise in forest fire emissions linked to climate change in the extratropics. Science 386, eadl5889 (2024).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Lentini, G. et al. Mount Rwenzori (4750 m a.s.l., Uganda): meteorological characterization and air-mass transport analysis. Geogr. Fis. Din. Quat. 34, 183–193 (2011).


    Google Scholar
     

  • Ivory, S. J. & Russell, J. Lowland forest collapse and early human impacts at the end of the African Humid Period at Lake Edward, equatorial East Africa. Quat. Res. 89, 7–20 (2018).

    Article 

    Google Scholar
     

  • Miller, J. E. D. & Safford, H. D. Are plant community responses to wildfire contingent upon historical disturbance regimes? Glob. Ecol. Biogeogr. 29, 1621–1633 (2020).

    Article 

    Google Scholar
     

  • Andela, N. et al. A human-driven decline in global burned area. Science 356, 1356–1362 (2017).

    Article 
    ADS 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Hemp, A. Climate change-driven forest fires marginalize the impact of ice cap wasting on Kilimanjaro. Glob. Change Biol. 11, 1013–1023 (2005).

    Article 
    ADS 

    Google Scholar
     

  • Bowman, D. M. J. S. et al. Fire in the Earth system. Science 324, 481–484 (2009).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Wimberly, M. C., Wanyama, D., Doughty, R., Peiro, H. & Crowell, S. Increasing fire activity in African tropical forests Is associated with deforestation and climate change. Geophys. Res. Lett. 51, e2023GL106240 (2024).

    Article 
    ADS 

    Google Scholar
     

  • Ivory, S. J. et al. Highland forest dynamics across equatorial East Africa during the end of the African humid period. Quat. Int. 713, 109575 (2024).

    Article 

    Google Scholar
     

  • Jacobs, L. et al. Reconstruction of a flash flood event through a multi-hazard approach: focus on the Rwenzori Mountains, Uganda. Nat. Hazards 84, 851–876 (2016).

    Article 

    Google Scholar
     

  • Downing, T. A., Imo, M. & Kimanzi, J. Fire occurrence on Mount Kenya and patterns of burning. GeoResJ 13, 17–26 (2017).

    Article 

    Google Scholar
     

  • Das, P., Zhang, Z. & Ren, H. in Remote Sensing of African Mountains: Geospatial Tools Toward Sustainability (eds Adelabu, S., Ramoelo, A., Olusola, A. & Adagbasa, E.) 51–66 (Springer, 2022).

  • Mason, A. et al. Hydroclimatic change and vegetation response in Tropical African alpine environments over the Holocene. Quat. Sci. Rev. 344, 108947 (2024).

    Article 

    Google Scholar
     

  • Garelick, S. et al. The dynamics of warming during the last deglaciation in high-elevation regions of Eastern Equatorial Africa. Quat. Sci. Rev. 281, 107416 (2022).

    Article 

    Google Scholar
     

  • Livingstone, D. A. Postglacial vegetation of the Ruwenzori Mountains in equatorial Africa. Ecol. Monogr. 37, 25–52 (1967).

    Article 

    Google Scholar
     

  • Eggermont, H. et al. Physical and chemical limnology of alpine lakes and pools in the Rwenzori Mountains (Uganda–DR Congo). Hydrobiologia 592, 151–173 (2007).

    Article 
    ADS 
    CAS 

    Google Scholar
     

  • Colombaroli, D., Ssemmanda, I., Gelorini, V. & Verschuren, D. Contrasting long-term records of biomass burning in wet and dry savannas of equatorial East Africa. Glob. Change Biol. 20, 2903–2914 (2014).

    Article 
    ADS 

    Google Scholar
     

  • Vachula, R. S. & Rehn, E. Modeled dispersal patterns for wood and grass charcoal are different: implications for paleofire reconstruction. Holocene 33, 159–166 (2023).

    Article 
    ADS 

    Google Scholar
     

  • Aleman, J. C. et al. Tracking land-cover changes with sedimentary charcoal in the Afrotropics. Holocene 23, 1853–1862 (2013).

    Article 
    ADS 

    Google Scholar
     

  • Vachula, R. S., Sae-Lim, J. & Li, R. A critical appraisal of charcoal morphometry as a paleofire fuel type proxy. Quat. Sci. Rev. 262, 106979 (2021).

    Article 

    Google Scholar
     

  • Pereboom, E. M., Vachula, R. S., Huang, Y. & Russell, J. The morphology of experimentally produced charcoal distinguishes fuel types in the Arctic tundra. Holocene 30, 1091–1096 (2020).

    Article 
    ADS 

    Google Scholar
     

  • Byakagaba, P., Egeru, A., Barasa, B. & Briske, D. D. Uganda’s rangeland policy: intentions, consequences and opportunities. Pastoralism 8, 7 (2018).

    Article 

    Google Scholar
     

  • Gil-Romera, G. et al. Long-term fire resilience of the Ericaceous Belt, Bale Mountains, Ethiopia. Biol. Lett. 15, 20190357 (2019).

    Article 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Wesche, K., Miehe, G. & Kaeppeli, M. The significance of fire for afroalpine ericaceous vegetation. Mt. Res. Dev. 20, 340–347 (2000).

    Article 

    Google Scholar
     

  • Tierney, J. E., Pausata, F. S. R. & deMenocal, P. B. Rainfall regimes of the Green Sahara. Sci. Adv. 3, e1601503 (2017).

    Article 
    ADS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Bradley, R. S., Vuille, M., Diaz, H. F. & Vergara, W. Threats to water supplies in the tropical Andes. Science 312, 1755–1756 (2006).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Vickers, A. C. et al. Similar Holocene glaciation histories in tropical South America and Africa. Geology 49, 140–144 (2020).

    Article 
    ADS 

    Google Scholar
     

  • Russell, J., Eggermont, H., Taylor, R. & Verschuren, D. Paleolimnological records of recent glacier recession in the Rwenzori Mountains, Uganda-D. R. Congo. J. Paleolimnol. 41, 253–271 (2009).

    Article 
    ADS 

    Google Scholar
     

  • Osmaston, H. in Quaternary and Environmental Research on East African Mountains (ed. Mahaney, W. H.) (CRC Press, 1989).

  • Loomis, S. E. et al. The tropical lapse rate steepened during the Last Glacial Maximum. Sci. Adv. 3, e1600815 (2017).

    Article 
    ADS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Beuning, K. R. M., Talbot, M. R. & Kelts, K. A revised 30,000-year paleoclimatic and paleohydrologic history of Lake Albert, East Africa. Palaeogeogr. Palaeoclimatol. Palaeoecol. 136, 259–279 (1997).

    Article 

    Google Scholar
     

  • Bremond, L. et al. Past fire dynamics in sub-Saharan Africa during the last 25,000 years: climate change and increasing human impacts. Quat. Int. 711, 49–58 (2024).

    Article 

    Google Scholar
     

  • Killick, R. et al. changepoint: methods for changepoint detection. Github https://github.com/rkillick/changepoint/ (2024).

  • Marchant, R. et al. Drivers and trajectories of land cover change in East Africa: human and environmental interactions from 6000 years ago to present. Earth-Sci. Rev. 178, 322–378 (2018).

    Article 
    ADS 

    Google Scholar
     

  • Russell, J. M., Johnson, T. C., Kelts, K. R., Lærdal, T. & Talbot, M. R. An 11 000-year lithostratigraphic and paleohydrologic record from Equatorial Africa: Lake Edward, Uganda–Congo. Palaeogeogr. Palaeoclimatol. Palaeoecol. 193, 25–49 (2003).

    Article 

    Google Scholar
     

  • Garcin, Y. et al. Hydroclimatic vulnerability of peat carbon in the central Congo Basin. Nature 612, 277–282 (2022).

    Article 
    ADS 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Ivory, S. J. & Russell, J. Climate, herbivory, and fire controls on tropical African forest for the last 60ka. Quat. Sci. Rev. 148, 101–114 (2016).

    Article 
    ADS 

    Google Scholar
     

  • Garcin, Y. et al. Early anthropogenic impact on Western Central African rainforests 2,600 y ago. Proc. Natl Acad. Sci. 115, 3261–3266 (2018).

    Article 
    ADS 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Brooks, A. S. & Smith, C. C. Ishango revisited: new age determinations and cultural interpretations. Afr. Archaeol. Rev. 5, 65–78 (1987).

    Article 

    Google Scholar
     

  • Tibesasa, R., Shipton, C., Jennings, C., Karuhanga, S. & Crowther, A. The transition from the Stone Age to Iron Age in East Africa: excavations at Nkuba rock shelter, Bussi Island, Lake Victoria, Uganda. Front. Multidiscip. Res. J. 2, 127–143 (2024).


    Google Scholar
     

  • Robertshaw, P. Munsa earthworks: a preliminary report on recent excavations. Azania Archaeol. Res. Afr. 32, 1–20 (1997).


    Google Scholar
     

  • Schmidt, P. R. et al. Remaking the late Holocene environment of western Uganda: archaeological perspectives on Kansyore and later settlers. Afr. Archaeol. Rev. 41, 519–596 (2024).

    Article 

    Google Scholar
     

  • Iles, L., Robertshaw, P. & Young, R. A furnace and associated ironworking remains at Munsa, Uganda. Azania Archaeol. Res. Afr. 49, 45–63 (2014).


    Google Scholar
     

  • Kay, A. U. & Kaplan, J. O. Human subsistence and land use in sub-Saharan Africa, 1000 BC to AD 1500: a review, quantification, and classification. Anthropocene 9, 14–32 (2015).

    Article 

    Google Scholar
     

  • Seidensticker, D. et al. Population collapse in Congo rainforest from 400 CE urges reassessment of the Bantu Expansion. Sci. Adv. 7, eabd8352 (2021).

    Article 
    ADS 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Taylor, D. M. Late quaternary pollen records from two Ugandan mires: evidence for environmental changes in the Rukiga Highlands of southwest Uganda. Palaeogeogr. Palaeoclimatol. Palaeoecol. 80, 283–300 (1990).

    Article 

    Google Scholar
     

  • Ossendorf, G. et al. Middle Stone Age foragers resided in high elevations of the glaciated Bale Mountains, Ethiopia. Science 365, 583–587 (2019).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Bodin, S. C. et al. Afromontane forests and human impact after the African Humid Period: wood charcoal from the Sodicho rock shelter, SW Ethiopian highlands. Veg. Hist. Archaeobotany 33, 529–543 (2024).

    Article 

    Google Scholar
     

  • Tubbesing, C. L., York, R. A., Stephens, S. L. & Battles, J. J. Rethinking fire-adapted species in an altered fire regime. Ecosphere 11, e03091 (2020).

    Article 

    Google Scholar
     

  • UNESCO World Heritage Convention. State of Conservation (SOC 2023). Rwenzori Mountains National Park, Uganda. https://whc.unesco.org/en/soc/4486/.

  • Reimer, P. J. et al. The IntCal20 Northern Hemisphere radiocarbon age calibration curve (0–55 cal kBP). Radiocarbon 62, 725–757 (2020).

    Article 
    CAS 

    Google Scholar
     

  • Appleby, P. G. & Oldfield, F. The calculation of lead-210 dates assuming a constant rate of supply of unsupported 210Pb to the sediment. CATENA 5, 1–8 (1978).

    Article 
    CAS 

    Google Scholar
     

  • Blaauw, M., Christen, J. A. & Aquino Lopez, M. A. rbacon: age-depth modelling using Bayesian statistics. 3.3.1. https://doi.org/10.32614/CRAN.package.rbacon (2017).

  • McGlynn, G., Mooney, S. & Taylor, D. Palaeoecological evidence for Holocene environmental change from the Virunga volcanoes in the Albertine Rift, central Africa. Quat. Sci. Rev. 61, 32–46 (2013).

    Article 
    ADS 

    Google Scholar
     

  • Cui, Q.-Y. et al. Evaluating fossil charcoal representation in small peat bogs: detailed Holocene fire records from southern Sweden. Holocene 30, 1540–1551 (2020).

    Article 
    ADS 

    Google Scholar
     

  • Snitker, G. The Charcoal Quantification Tool (CharTool): a suite of open-source tools for quantifying charcoal fragments and sediment properties in archaeological and paleoecological analysis. Ethnobiol. Lett. 11, 103–115 (2020).

    Article 

    Google Scholar
     

  • Vachula, R. S. A meta-analytical approach to understanding the charcoal source area problem. Palaeogeogr. Palaeoclimatol. Palaeoecol. 562, 110111 (2021).

    Article 

    Google Scholar
     

  • Hennebelle, A. et al. The reconstruction of burned area and fire severity using charcoal from boreal lake sediments. Holocene 30, 1400–1409 (2020).

    Article 
    ADS 

    Google Scholar
     

  • Higuera, P. E., Whitlock, C. & Gage, J. A. Linking tree-ring and sediment-charcoal records to reconstruct fire occurrence and area burned in subalpine forests of Yellowstone National Park, USA. Holocene 21, 327–341 (2011).

    Article 
    ADS 

    Google Scholar
     

  • Hawthorne, D. et al. Global Modern Charcoal Dataset (GMCD): a tool for exploring proxy-fire linkages and spatial patterns of biomass burning. Quat. Int. 488, 3–17 (2018).

    Article 

    Google Scholar
     

  • Higuera, P., Peters, M., Brubaker, L. & Gavin, D. Understanding the origin and analysis of sediment-charcoal records with a simulation model. Quat. Sci. Rev. 26, 1790–1809 (2007).

    Article 
    ADS 

    Google Scholar
     

  • Clark, J. S. Particle motion and the theory of charcoal analysis: source area, transport, deposition, and sampling. Quat. Res. 30, 67–80 (1988).

    Article 
    ADS 

    Google Scholar
     

  • Vachula, R. S. & Richter, N. Informing sedimentary charcoal-based fire reconstructions with a kinematic transport model. Holocene 28, 173–178 (2018).

    Article 
    ADS 

    Google Scholar
     

  • Faegri, K., Kaland, P. E. & Krzywinski, K. Textbook of Pollen Analysis (Wiley, 1989).

  • Maley, J. Contributions à l’étude du Bassin tchadien Atlas de pollens du Tchad. Bull. Jard. Bot. Natl Belg. 40, 29–48 (1970).

    Article 

    Google Scholar
     

  • Bonnefille, R. & Riollet, G. Pollen of the East African savanna. Pollens des savanes d’Afrique orientale. Editions du Centre National de la Recherche Scientifique (1980).

  • Lézine, A.-M., Ivory, S. J., Gosling, W. D. & Scott, L. in Quaternary Vegetation Dynamics: The African Pollen Database (eds Runge, J., Gosling, W., Lézine, A.-M. & Scott, L.) (CRC Press, 2021).

  • Vincens, A., Bremond, L., Brewer, S., Buchet, G. & Dussouillez, P. Modern pollen-based biome reconstructions in East Africa expanded to southern Tanzania. Rev. Palaeobot. Palynol. 140, 187–212 (2006).

    Article 

    Google Scholar
     

  • Sachse, D. et al. Molecular paleohydrology: interpreting the hydrogen-isotopic composition of lipid biomarkers from photosynthesizing organisms. Annu. Rev. Earth Planet. Sci. 40, 221–249 (2012).

    Article 
    ADS 
    CAS 

    Google Scholar
     

  • Parish, M. et al. Changes in Indo-Pacific Warm Pool hydroclimate and vegetation during the last deglaciation. Quat. Sci. Rev. 336, 108755 (2024).

    Article 

    Google Scholar
     

  • Garcin, Y. et al. Reconstructing C3 and C4 vegetation cover using n-alkane carbon isotope ratios in recent lake sediments from Cameroon, Western Central Africa. Geochim. Cosmochim. Acta 142, 482–500 (2014).

    Article 
    ADS 
    CAS 

    Google Scholar
     

  • Kelly, M. A. et al. Expanded glaciers during a dry and cold Last Glacial Maximum in equatorial East Africa. Geology 42, 519–522 (2014).

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