William A Hoffmann

All or nothing? The importance of considering partial dieback for tree responses to fire

Hoffmann, W. A., Flake, S. W., & Durigan, G. (2025, August 28). Trees, Vol. 39.

Linking leaf traits and litter flammability using a novel framework, tested with Brazilian Cerrado trees

Flake, S. W., Elliott, P. J., Durigan, G., Rossatto, D. R., & Hoffmann, W. A. (2025, March 23). Functional Ecology, Vol. 3.

Open letter: There are more than just trees and forests to be conserved and restored

PLANTS, PEOPLE, PLANET, 1.

An enemy's enemy is an ally: Competitive indirect interactions mediate coexistence of trees, grasses, and subshrubs in neotropical savanna

Giroldo, A. B., Scariot, A., Ferreira, J. B., Moser, P., Lima, I. L. P., & Hoffmann, W. A. (2024, November 19). Biotropica, Vol. 11.

How Can Drastic Ecosystem Changes Affect Carbon Sequestration Potential in Savannas?

AGU24. Presented at the AGU24, Washington, DC.

Stem heating results in hydraulic dysfunction in Symplocos tinctoria: implications for post-fire tree death

Hoffmann, W. A., Sherry, C. D. K., & Donnelly, T. M. (2024, February 1). Tree Physiology.

Stem wound healing is dependent upon bark and trunk growth rates in Brazilian savanna

Hoffmann, W. A., Flake, S. W., Rossatto, D. R., Antonio, A. C. D., Durigan, G., & Abreu, R. C. R. (2024, January 8). Trees, Vol. 38, pp. 197–204.

Herbaceous vegetation responses to experimental fire in savannas and forests depend on biome and climate

Gold, Z. J., Pellegrini, A. F. A., Refsland, T. K., Andrioli, R. J., Bowles, M. L., Brockway, D. G., … Staver, A. C. (2023, May 10). Ecology Letters, Vol. 5.

Seasonal flooding shapes forest–savanna transitions

Hoffmann, W. A. (2023, August 23). Proceedings of the National Academy of Sciences, Vol. 120.

Effects and response of the Cerrado ground-layer to frost along the canopy cover gradient

Pilon, N. A. L., Cava, M. G. B., Hoffmann, W. A., Abreu, R. C. R., Rossatto, D. R., & Durigan, G. (2022, September 21). Oecologia, Vol. 9.

Characterizing past fire occurrence in longleaf pine ecosystems with the Mid-Infrared Burn Index and a Random Forest classifier

Wall, W. A., Hohmann, M. G., Just, M. G., & Hoffmann, W. A. (2021, September 3). Forest Ecology and Management, Vol. 500.

Decadal changes in fire frequencies shift tree communities and functional traits

Pellegrini, A. F. A., Refsland, T., Averill, C., Terrer, C., Staver, A. C., Brockway, D. G., … Jackson, R. B. (2021, February 25). Nature Ecology & Evolution, Vol. 5, pp. 504-+.

Facilitation by isolated trees triggers woody encroachment and a biome shift at the savanna–forest transition

Abreu, R. C. R., Durigan, G., Melo, A. C. G., Pilon, N. A. L., & Hoffmann, W. A. (2021, August 18). Journal of Applied Ecology, Vol. 8.

Fire and drought: Shifts in bark investment across a broad geographical scale for Neotropical savanna trees

Scalon, M. C., Rossatto, D. R., Oliveras, I., Miatto, R. C., Gray, E. F., Domingos, F. M. C. B., … Franco, A. C. (2021, July 3). Basic and Applied Ecology, Vol. 56, pp. 110–121.

Hydraulic segmentation does not protect stems from acute water loss during fire

Hoffmann, W. A., Rodrigues, A. C., Uncles, N., & Rossi, L. (2021, April 23). Tree Physiology, Vol. 41, pp. 1785–1793.

Not all trees can make a forest: Tree species composition and competition control forest encroachment in a tropical savanna

Flake, S. W., Honda, E. A., Pilon, N. A. L., Hoffmann, W. A., & Durigan, G. (2021, December 3). Journal of Ecology, Vol. 1, pp. 301–312.

Savannas are not old fields: Functional trajectories of forest expansion in a fire‐suppressed Brazilian savanna are driven by habitat generalists

Flake, S. W., Abreu, R. C. R., Durigan, G., & Hoffmann, W. A. (2021, May 4). Functional Ecology, Vol. 5, pp. 1797–1809.

The effects of tree cover and soil nutrient addition on native herbaceous richness in a neotropical savanna

Massi, K. G., Eugênio, C. U. O., Franco, A. C., & Hoffmann, W. A. (2021, March 22). Biotropica, Vol. 53, pp. 888–895.

The role of morpho-physiological traits in frost tolerance of neotropical savanna trees

Antonio, A. C. D., Hoffmann, W. A., & Rossatto, D. R. (2021, June 18). Trees, Vol. 35, pp. 1687–1696.

Differences among species in growth rates and leaf area influence rates of succession from savanna to forest

2020 ESA Annual Meeting. Presented at the 2020 ESA Annual Meeting.

Flammability thresholds or flammability gradients? Determinants of fire across savanna–forest transitions

Newberry, B. M., Power, C. R., Abreu, R. C. R., Durigan, G., Rossatto, D. R., & Hoffmann, W. A. (2020, June 17). New Phytologist, Vol. 228, pp. 910–921.

No Net Loss of Species Diversity After Prescribed Fires in the Brazilian Savanna

Durigan, G., Pilon, N. A. L., Abreu, R. C. R., Hoffmann, W. A., Martins, M., Fiorillo, B. F., … Vasconcelos, H. L. (2020, February 19). Frontiers in Forests and Global Change, Vol. 3.

Shade alters savanna grass layer structure and function along a gradient of canopy cover

Pilon, N. A. L., Durigan, G., Rickenback, J., Pennington, R. T., Dexter, K. G., Hoffmann, W. A., … Lehmann, C. E. R. (2020, October 4). (F. Pugnaire, Ed.). Journal of Vegetation Science, Vol. 32.

The diversity of post‐fire regeneration strategies in the cerrado ground layer

Pilon, N. A. L., Cava, M. G. B., Hoffmann, W. A., Abreu, R. C. R., Fidelis, A., & Durigan, G. (2020, June 25). (C. Staver, Ed.). Journal of Ecology, Vol. 109, pp. 154–166.

Understanding Species Persistence in Complex Landscapes with a Long-Term Metapopulation Study of Rare Flora

(SERDP Project Final Report. No. RC-2707).

Better lucky than good: How savanna trees escape the fire trap in a variable world

Hoffmann, W. A., Sanders, R. W., Just, M. G., Wall, W. A., & Hohmann, M. G. (2019, September 17). Ecology, Vol. 101.

Comment on “The global tree restoration potential”

Veldman, J. W., Aleman, J. C., Alvarado, S. T., Anderson, T. M., Archibald, S., Bond, W. J., … Zaloumis, N. P. (2019, October 17). Comment on “The global tree restoration potential.” Science, Vol. 366.

Correction to: Allocation to leaf area and sapwood area affects water relations of co-occurring savanna and forest trees

Gotsch, S. G., Geiger, E. L., Franco, A. C., Goldstein, G., Meinzer, F. C., & Hoffmann, W. A. (2019, January 5). Oecologia, Vol. 189, pp. 563–563.

Distribution and Determinants of Savannas

Functional diversification enabled grassy biomes to fill global climate space

(BioRxiv Preprint No. 583625).

Quantifying the short-term flowering after fire in some plant communities of a cerrado grassland

Pilon, N. A. L., Hoffmann, W. A., Abreu, R. C. R., & Durigan, G. (2018, May 4). Plant Ecology & Diversity, Vol. 11, pp. 259–266.

Rare frost events reinforce tropical savanna–forest boundaries

Hoffmann, W. A., Flake, S. W., Abreu, R. C. R., Pilon, N. A. L., Rossatto, D. R., & Durigan, G. (2018, July 19). (P. Bellingham, Ed.). Journal of Ecology, Vol. 107, pp. 468–477.

Sensitivity of woody carbon stocks to bark investment strategy in Neotropical savannas and forests

Trugman, A. T., Medvigy, D., Hoffmann, W. A., & Pellegrini, A. F. A. (2018, January 11). Biogeosciences, Vol. 15, pp. 233–243.

Assessing water-related plant traits to explain slow-wilting in soybean PI 471938

Bagherzadi, L., Sinclair, T. R., Zwieniecki, M., Secchi, F., Hoffmann, W., Carter, T. E., & Rufty, T. W. (2017, May 4). Journal of Crop Improvement, Vol. 31, pp. 400–417.

Biological and geophysical feedbacks with fire in the Earth system

Environmental Research Letters, 13(3), 033003.

Comment on "The extent of forest in dryland biomes"

Comment on “The extent of forest in dryland biomes”

Convergence of bark investment according to fire and climate structures ecosystem vulnerability to future change

Pellegrini, A. F. A., Anderegg, W. R. L., Paine, C. E. T., Hoffmann, W. A., Kartzinel, T., Rabin, S. S., … Pacala, S. W. (2017, January 11). Ecology Letters, Vol. 20, pp. 307–316.

Invasibility of a fire-maintained savanna–wetland gradient by non-native, woody plant species

Just, M. G., Hohmann, M. G., & Hoffmann, W. A. (2017, September 23). Forest Ecology and Management, Vol. 405, pp. 229–237.

The biodiversity cost of carbon sequestration in tropical savanna

Abreu, R. C. R., Hoffmann, W. A., Vasconcelos, H. L., Pilon, N. A., Rossatto, D. R., & Durigan, G. (2017, August 4). Science Advances, Vol. 3.

Trait shifts associated with the subshrub life-history strategy in a tropical savanna

Giroldo, A. B., Scariot, A., & Hoffmann, W. A. (2017, August 24). Oecologia, Vol. 185, pp. 281–291.

Enhancing Heat Tolerance of the Little Dogwood Cornus canadensis L. f. with Introduction of a Superoxide Reductase Gene from the Hyperthermophilic Archaeon Pyrococcus furiosus

Frontiers in Plant Science, 7.

Stomatal acclimation to vapour pressure deficit doubles transpiration of small tree seedlings with warming

Plant, Cell & Environment, 39(10), 2221–2234.

Wood decay and the persistence of resprouting species in pyrophilic ecosystems

Just, M. G., Schafer, J. L., Hohmann, M. G., & Hoffmann, W. A. (2016, October 15). Trees, Vol. 31, pp. 237–245.

Bacteria species and solution pH effect postharvest quality of cut Zinnia elegans

Carlson, A. S., Dole, J. M., Matthysse, A. G., Hoffmann, W. A., & Kornegay, J. L. (2015, August 13). Scientia Horticulturae, Vol. 194, pp. 71–78.

Fire-Vegetation-Microclimate Feedbacks under Simulated Global Change in Savanna-Wetland Ecotones

AGU Fall Meeting Abstracts, GC33E–1344.

Relative Bark Thickness is Correlated with Tree Species Distributions along a Fire Frequency Gradient

Schafer, J. L., Breslow, B. P., Hohmann, M. G., & Hoffmann, W. A. (2015, April 1). Fire Ecology, Vol. 11, pp. 74–87.

Shifts in functional traits elevate risk of fire‐driven tree dieback in tropical savanna and forest biomes

Pellegrini, A. F. A., Franco, A. C., & Hoffmann, W. A. (2015, October 1). Global Change Biology, Vol. 22, pp. 1235–1243.

Temperature alone does not explain phenological variation of diverse temperate plants under experimental warming

Marchin, R. M., Salk, C. F., Hoffmann, W. A., & Dunn, R. R. (2015, March 4). Global Change Biology, Vol. 21, pp. 3138–3151.

What Controls the Extent of Tropical Forest? An 8-year Experiment to Understand the Response of Savanna-Forest Boundaries to Climate, Soils, and Fire in Central Brazil

AGU Fall Meeting Abstracts, B53J–05.

Where fire stops: vegetation structure and microclimate influence fire spread along an ecotonal gradient

Just, M. G., Hohmann, M. G., & Hoffmann, W. A. (2015, November 23). Plant Ecology, Vol. 217, pp. 631–644.

Are winter-active species vulnerable to climate warming? A case study with the wintergreen terrestrial orchid, Tipularia discolor

Marchin, R. M., Dunn, R. R., & Hoffmann, W. A. (2014, September 25). Oecologia, Vol. 176, pp. 1161–1172.

Beyond the climate envelope: using trait filtering models to predict biome boundaries from plant physiology

AGU Fall Meeting Abstracts, B52C–01.

Savanna vegetation-fire-climate relationships differ among continents

Science, 343(6170), 548–552.

Size-dependent enhancement of water relations during post-fire resprouting

Schafer, J. L., Breslow, B. P., Hollingsworth, S. N., Hohmann, M. G., & Hoffmann, W. A. (2014, March 30). Tree Physiology, Vol. 34, pp. 404–414.

Tropical grassy biomes: misunderstood, neglected, and under threat

Parr, C. L., Lehmann, C. E. R., Bond, W. J., Hoffmann, W. A., & Andersen, A. N. (2014, March 12). Trends in Ecology & Evolution, Vol. 29, pp. 205–213.

Can savannas become forests? A coupled analysis of nutrient stocks and fire thresholds in central Brazil

Silva, L. C. R., Hoffmann, W. A., Rossatto, D. R., Haridasan, M., Franco, A. C., & Horwath, W. R. (2013, July 26). Plant and Soil, Vol. 373, pp. 829–842.

Carbon accumulation and nitrogen pool recovery during transitions from savanna to forest in central Brazil

Pellegrini, A. F. A., Hoffmann, W. A., & Franco, A. C. (2013, July 26). Ecology, Vol. 95, pp. 342–352.

Current and Historical Variation in Wiregrass (Aristida stricta) Abundance and Distribution Is Not Detectable from Soil δ¹³C Measurements in Longleaf Pine (Pinus palustris) Savannas

Schafer, J. L., Breslow, B. P., Just, M. G., Hohmann, M. G., Hollingsworth, S. N., Swatling-Holcomb, S. L., & Hoffmann, W. A. (2013, March 1). Castanea, Vol. 78, pp. 28–36.

Evidence of population bottleneck in Astragalus michauxii (Fabaceae), a narrow endemic of the southeastern United States

Conservation Genetics, 15(1), 153–164.

Seasonal variation in leaf traits between congeneric savanna and forest trees in Central Brazil: implications for forest expansion into savanna

Rossatto, D. R., Hoffmann, W. A., Carvalho Ramos Silva, L., Haridasan, M., Sternberg, L. S. L., & Franco, A. C. (2013, February 27). Trees, Vol. 27, pp. 1139–1150.

Caught in a fire trap: Recurring fire creates stable size equilibria in woody resprouters

Grady, J. M., & Hoffmann, W. A. (2012, April 13). Ecology, Vol. 93, pp. 2052–2060.

Demographic effects of fire on two endemic plant species in the longleaf pine-wiregrass ecosystem

Wall, W. A., Hoffmann, W. A., Wentworth, T. R., Gray, J. B., & Hohmann, M. G. (2012, June 20). Plant Ecology, Vol. 213, pp. 1093–1104.

Ecological thresholds at the savanna‐forest boundary: how plant traits, resources and fire govern the distribution of tropical biomes

Hoffmann, W. A., Geiger, E. L., Gotsch, S. G., Rossatto, D. R., Silva, L. C. R., Lau, O. L., … Franco, A. C. (2012, May 4). Ecology Letters, Vol. 15, pp. 759–768.

Enhanced water relations during post-fire recovery: The role of plant height and leaf area

97th ESA Annual Convention. Presented at the 97th ESA Annual Convention, Portland, Oregon.

How plants die of thirst: insights into mechanisms of tree drought mortality

AGU Fall Meeting Abstracts, GC22E–07.

Short-term demographic effects of fire on two endemic plant species of the longleaf pine ecosystem

97th ESA Annual Convention. Presented at the 97th ESA Annual Convention, Portland, Oregon.

Some like it hot? Growth responses to warming in a wintergreen understory orchid, Tipularia discolor

97th ESA Annual Convention. Presented at the 97th ESA Annual Convention, Portland, Oregon.

The bigger they are the harder they fall: Plant carbon balance explains size-dependent responses to fire

97th ESA Annual Convention. Presented at the 97th ESA Annual Convention, Portland, Oregon.

Deciphering the distribution of the savanna biome

Lehmann, C. E. R., Archibald, S. A., Hoffmann, W. A., & Bond, W. J. (2011, April 4). New Phytologist, Vol. 191, pp. 197–209.

Distinct roles of savanna and forest tree species in regeneration under fire suppression in a Brazilian savanna

Geiger, E. L., Gotsch, S. G., Damasco, G., Haridasan, M., Franco, A. C., & Hoffmann, W. A. (2011, January 31). Journal of Vegetation Science, Vol. 22, pp. 312–321.

Fuels or microclimate? Understanding the drivers of fire feedbacks at savanna–forest boundaries

HOFFMANN, W. I. L. L. I. A. M. A., JACONIS, S. U. S. A. N. Y., MCKINLEY, K. R. I. S. T. E. N. L., GEIGER, E. R. I. K. A. L., GOTSCH, S. Y. B. I. L. G., & FRANCO, A. U. G. U. S. T. O. C. (2011, November 22). Austral Ecology, Vol. 37, pp. 634–643.

Hydraulic failure and tree dieback are associated with high wood density in a temperate forest under extreme drought

HOFFMANN, W. I. L. L. I. A. M. A., MARCHIN, R. E. N. É. E. M., ABIT, P. A. M. E. L. A., & LAU, O. N. L. E. E. (2011, January 21). Global Change Biology, Vol. 17, pp. 2731–2742.

Lost and Found: Remnants of the Big Savannah and Their Relationship to Wet Savannas in North Carolina

Wall, W. A., Wentworth, T. R., Shelingoski, S., Stucky, J. M., LeBlond, R. J., & Hoffmann, W. A. (2011, December 1). Castanea, Vol. 76, pp. 348–363.

Recent vicariance and the origin of the rare, edaphically specialized Sandhills lily, Lilium pyrophilum (Liliaceae): evidence from phylogenetic and coalescent analyses

DOUGLAS, N. O. R. M. A. N. A., WALL, W. A. D. E. A., XIANG, Q. I. U. Y. U. N., HOFFMANN, W. I. L. L. I. A. M. A., WENTWORTH, T. H. O. M. A. S. R., GRAY, J. A. N. E. T. B., & HOHMANN, M. A. T. T. H. E. W. G. (2011, June 14). Molecular Ecology, Vol. 20, pp. 2901–2915.

Remote sensing and modeling of savannas: The state of the dis-union

Proceedings of the 34th International Symposium on Remote Sensing of the Environment (ISRSE), 10–15.

When is a ‘forest’ a savanna, and why does it matter?

Ratnam, J., Bond, W. J., Fensham, R. J., Hoffmann, W. A., Archibald, S., Lehmann, C. E. R., … Sankaran, M. (2011, January 17). Global Ecology and Biogeography, Vol. 20, pp. 653–660.

Allocation to leaf area and sapwood area affects water relations of co-occurring savanna and forest trees

Gotsch, S. G., Geiger, E. L., Franco, A. C., Goldstein, G., Meinzer, F. C., & Hoffmann, W. A. (2010, January 7). Oecologia, Vol. 163, pp. 291–301.

Drought-deciduous behavior reduces nutrient losses from temperate deciduous trees under severe drought

Marchin, R., Zeng, H., & Hoffmann, W. (2010, April 2). Oecologia, Vol. 163, pp. 845–854.

Effects of light and temperature on germination of Pyxidanthera brevifolia Wells (Diapensiaceae)¹

Wall, W. A., Hilton, J. L., Wentworth, T. R., Gray, J. B., Hohmann, M. G., & Hoffmann, W. A. (2010, October 1). The Journal of the Torrey Botanical Society, Vol. 137, pp. 348–354.

Evidence for range stasis during the latter Pleistocene for the Atlantic Coastal Plain endemic genus, Pyxidanthera Michaux

Molecular Ecology, 19(19), 4302–4314.

Hydraulic lift in a Neotropical savanna: Experimental manipulation and model simulations

Scholz, F. G., Bucci, S. J., Hoffmann, W. A., Meinzer, F. C., & Goldstein, G. (2010, February 25). Agricultural and Forest Meteorology, Vol. 150, pp. 629–639.

Not all forests are expanding over central Brazilian savannas

Silva, L. C. R., Haridasan, M., Sternberg, L. S. L., Franco, A. C., & Hoffmann, W. A. (2010, March 30). Plant and Soil, Vol. 333, pp. 431–442.