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Protocols in ecological and environmental plant physiology

 

Article << Previous     |     Next >>   Contents Vol 60(4)

Burning creates contrasting demographic patterns in Polygala lewtonii (Polygalaceae): a cradle-to-grave analysis of multiple cohorts in a perennial herb

Carl W. Weekley A B and Eric S. Menges A

A Archbold Biological Station, 123 Main Drive, Venus, FL 33960, USA.
B Corresponding author. Email: cweekley@archbold-station.org

Australian Journal of Botany 60(4) 347-357 http://dx.doi.org/10.1071/BT11271
Submitted: 26 October 2011  Accepted: 11 April 2012   Published: 25 June 2012


 
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Abstract

Fire drives the population dynamics of many plants. By following successive cohorts of Polygala lewtonii Small (Polygalaceae), a short-lived herb endemic to fire-maintained Florida sandhills, in both burned and unburned microsites, we investigated how fire affected vital rates throughout cohort lifetimes. We followed cohorts from before to 6 years after a prescribed fire in 220 25-cm-radius quadrats, recording survival and seedling recruitment quarterly, and growth and fecundity annually. Fire effects were most pronounced in the first 2 post-burn quarterly censuses, when cohorts in burned (v. unburned) quadrats had seven-fold higher seedling recruitment, significantly higher seedling survival, and a 16.7% gain (v. 1.2% loss) in quadrat occupancy. Plants in burned (v. unburned) quadrats also flowered earlier, were more likely to survive to reproduce and had longer lifespans. The negative effects of density on survival were relaxed in burned quadrats for the first 2 censuses. Burning creates contrasting demographic trajectories for burned v. unburned cohorts. In burned microsites, higher seedling recruitment and survival, earlier flowering and longer lifespans combine to produce a greater contribution to the seedbank and, thus, to population viability. The present study documents the pyro-demographic mechanisms linking the life history of a perennial herb with a frequent fire regime.



References

Abrahamson WG (1984a) Post-fire recovery of Florida Lake Wales Ridge vegetation. American Journal of Botany 71, 9–21.
CrossRef |

Abrahamson WG (1984b) Species response to fire on the Florida Lake Wales Ridge. American Journal of Botany 71, 35–43.
CrossRef |

Anderson RC, Menges ES (1997) Effects of fire on sandhill herbs: nutrients, mycorrhizae, and biomass allocation. American Journal of Botany 84, 938–948.
CrossRef | CAS |

Antonovics J, Levin DA (1980) The ecological and genetic consequences of density-dependent regulation in plants. Annual Review of Ecology and Systematics 11, 411–452.
CrossRef |

Baskin CC, Baskin JM (1998) ‘Seeds: ecology, biogeography, and evolution of dormancy and germination.’ (Academic Press: San Diego, CA)

Baskin CC, Baskin JM (2003) When breaking seed dormancy is a problem, try a move-along experiment. Native Plants 4, 17–21.

Beckage B, Platt WJ, Gross LJ (2009) Vegetation, fire, and feedbacks: a disturbance-mediated model of savannas. American Naturalist 174, 805–818.
CrossRef |

Bell DT, Plummer JA, Taylor SK (1993) Seed germination in southwestern Western Australia. Botanical Review 59, 24–73.
CrossRef |

Bond WJ, van Wilgen BW (1996) ‘Fire and plants.’ (Chapman and Hall: London)

Bradstock RA (1990) Demography of woody plants in relation to fire: Banksia serrata Lf. and Isopogon anemonifolius (Salisb.) Knight. Australian Journal of Ecology 15, 117–132.
CrossRef |

Bradstock RA, Bedward M, Scott J, Keith DA (1996) Simulation of the effect of spatial and temporal variation in fire regimes on the population viability of a Banksia species. Conservation Biology 10, 776–784.
CrossRef |

Brewer JS, Platt WJ (1994a) Effects of fire season and herbivory on reproductive success in a clonal forb, Pityopsis graminifolia. Journal of Ecology 82, 665–675.
CrossRef |

Brewer JS, Platt WJ (1994b) Effects of fire season and soil fertility on clonal growth in a pyrophilic forb, Pityopsis graminifolia (Asteraceae). American Journal of Botany 81, 805–814.
CrossRef |

Brown NAC, van Staden CJ, Johnson T, Daws MI (2003) A summary of patterns in the seed germination response to smoke in plants from the Cape Floral Region. In ‘Seed conservation: turning science into practice’. (Eds RD Smith, JB Dickie, SH Linington, HW Pritchard, RJ Probert) pp. 563–574. (Kew Publishing: Kew, UK)

Canales J, Trevisan MC, Silva JF, Caswell H (1994) A demographic study of an annual grass (Andropogon brevifolius Schwartz) in burnt and unburnt savanna. Acta Oecologica 15, 261–273.

Carrington ME (1999) Post-fire seedling establishment in Florida sand pine scrub. Journal of Vegetation Science 10, 403–412.
CrossRef |

Chiwocha SDS, Dixon KW, Flematti GR, Ghisalberti EL, Merritt DJ, Nelson DC, Riseborough J-AM, Smith SM, Stevens C (2009) Karrikins: a new family of plant growth regulators in smoke. Plant Science 177, 252–256.
CrossRef | CAS |

Christensen NL (1985) Shrubland fire regimes and their evolutionary consequences. In ‘The ecology of natural disturbance and patch dynamics’. (Eds STA Pickett, PS White) pp. 85–100. (Academic Press: Orlando, FL)

Clarke S, French K (2005) Germination response to heat and smoke of 22 Poaceae species from grassy woodlands. Australian Journal of Botany 53, 445–454.
CrossRef |

Coile NC, Garland MA (2003) ‘Notes on Florida’s endangered and threatened plants.’ (Florida Department of Agriculture and Consumer Services/Division of Plant Industry: Gainesville, FL)

Daskalakou EN, Thanos CA (2004) Postfire regeneration of Aleppo pine – the temporal pattern of seedling recruitment. Plant Ecology 171, 81–89.
CrossRef |

Dixon KW, Roche S, Pate JS (1995) The promotive effect of smoke-derived from burnt native vegetation on seed germination of Western Australian plants. Oecologia 101, 185–192.
CrossRef |

Downes KS, Lamont BB, Light ME, van Staden J (2010) The fire ephemeral Tersonia cyathiflora (Gyrostemonaceae) germinates in response to smoke but not the butenollide 3-methyl-2H-furo [2,3-c]pyran-2-one. Annals of Botany 106, 381–384.
CrossRef | CAS |

Duncan BW, Schmalzer PA (2004) Anthropogenic influences on potential fire spread in a pyrogenic ecosystem of Florida, USA. Landscape Ecology 19, 153–165.
CrossRef |

Fellows M (2002) Smoke treatment of Polygala smallii seeds. In ‘Conservation of south Florida endangered and threatened flora’. (Ed. J Maschinski) Final report. (Florida Department of Agriculture and Consumer Services: Gainesville, FL)

Flematti GR, Ghisalberti EL, Dixon KW, Trengrove RD (2004) A compound from smoke that promotes seed germination. Science 305, 977
CrossRef | CAS |

Glitzenstein JS, Platt WJ, Streng DR (1995) Effects of fire regime and habitat on tree dynamics in north Florida longleaf pine savannas. Ecological Monographs 65, 441–476.
CrossRef |

Hansen A, Pate JS, Hansen AP (1992) Growth, reproductive performance and resource allocation of the herbaceous obligate seeder Gompholobium marginatum R.Br. (Fabaceae). Oecologia 90, 158–166.

Hartnett DC (1987) Effects of fire on clonal growth and dynamics of Pityopsis graminifolia (Asteraceae). American Journal of Botany 74, 1737–1743.
CrossRef |

Hartnett DC, Richardson DR (1989) Biology of Bonamia grandiflora (Convolvulaceae): effects of fire on plant and seed bank dynamics. American Journal of Botany 76, 361–369.
CrossRef |

Hawkes CV, Menges ES (2003) Effects of lichens on seedling emergence in a xeric Florida shrubland. Southeastern Naturalist (Steuben, ME) 2, 223–234.
CrossRef |

Heuberger KA, Putz FE (2003) Fire in the suburbs: Ecological impacts of prescribed fire in small remnants of longleaf pine (Pinus palustris) sandhill. Restoration Ecology 11, 72–81.
CrossRef |

Hiers JK, Wyatt R, Mitchell RJ (2000) The effects of fire regime on legume reproduction in longleaf pine savannas: is a season selective? Oecologia 125, 521–530.
CrossRef |

Hoffmann WA (1999) Fire and population dynamics of woody plants in a neotropical savanna: matrix model projections. Ecology 80, 1354–1369.
CrossRef |

James CW (1957) Notes on the cleistogamous species of Polygala in southeastern United States. Rhodora 59, 51–56.

Kaye TN, Pendergrass KL, Finley K, Kauffman JB (2001) The effect of fire on the population viability of an endangered prairie plant. Ecological Applications 11, 1366–1380.
CrossRef |

Keeley JE (1986) Resilience of mediterranean shrub communities to fire. In ‘Resilience in Mediterranean-type ecosystems’. (Eds B Dell, AJM Hopkins, BB Lamont) pp. 95–112. (Dr W. Junk Publishers: Dordrecht, The Netherlands)

Keeley JE (1987) Role of fire in seed germination of woody taxa in California chaparral. Ecology 68, 434–443.
CrossRef |

Keeley JE (1991) Seed germination and life history syndromes in the California chaparral. Botanical Review 57, 81–116.
CrossRef |

Keeley JE (1992) Recruitment of seedlings and vegetative sprouts in unburned chaparral. Ecology 73, 1194–1208.
CrossRef |

Keeley JE, Fotheringham CJ (1997) Gas emissions and smoke-induced seed germination. Science 276, 1248–1250.
CrossRef | CAS |

Keeley JE, Zedler PH (1978) Reproduction of chaparral shrubs after fire: a comparison of sprouting and seeding strategies. American Midland Naturalist 99, 142–161.
CrossRef |

Keith DA (2002) Population dynamics of an endangered heathland shrub Epacris stuartii (Empetraceae): recruitment, establishment, and survival. Austral Ecology 27, 67–76.
CrossRef |

Kirkman LK, Drew MB, Edwards D (1998) Effects of experimental fire regimes on the population dynamics of Schwalbea americana L. Plant Ecology 137, 115–137.
CrossRef |

Knight TM, Holt RD (2005) Fire generates spatial gradients in herbivory: and example from a Florida sandhill ecosystem. Ecology 86, 587–593.
CrossRef |

Lindon HL, Menges ES (2008) Effects of smoke on seed germination of twenty species of fire-prone habitats in Florida. Castanea 73, 106–110.
CrossRef |

Maret MP, Wilson MV (2005) Fire and litter effects on seedling establishment in western Oregon upland prairies. Restoration Ecology 13, 562–568.
CrossRef |

McConnell K, Menges ES (2002) The effects of fire and treatments that mimic fire on the Florida endemic scrub buckwheat (Eriogonum longifolium Nutt. var. gnaphalifolium Gand.). Natural Areas Journal 22, 194–201.

Menges ES (1999) Ecology and conservation of Florida scrub. In ‘The savanna, barren and rock outcrop communities of North America’. (Eds RC Anderson, JS Fralish, J Baskin) pp. 7–22. (Cambridge University Press: Cambridge, UK)

Menges ES (2007) Integrating demography and fire management: an example from Florida scrub. Australian Journal of Botany 55, 261–272.
CrossRef |

Menges ES, Gordon DR (1996) Three levels of monitoring intensity for rare plant species. Natural Areas Journal 16, 227–237.

Menges ES, Kimmich J (1996) Microhabitat and time since fire: effects on demography of Eryngium cuneifolium (Apiaceae), a Florida scrub endemic plant. American Journal of Botany 83, 185–191.
CrossRef |

Menges ES, Kohfeldt NM (1995) Life history strategies of Florida scrub plants in relation to fire. Bulletin of the Torrey Botanical Club 122, 282–297.
CrossRef |

Menges ES, Quintana-Ascencio PF (2004) Population viability with fire in Eryngium cuneifolium: deciphering a decade of demographic data. Ecological Monographs 74, 79–99.
CrossRef |

Menges ES, Root RB (2004) The life of a fire-adapted Florida goldenrod, Solidago odora var. chapmanii. American Midland Naturalist 151, 65–78.
CrossRef |

Menges ES, Abrahamson WG, Givens KT, Gallo NP, Layne JN (1993) Twenty years of vegetation change in five long-unburned Florida plant communities. Journal of Vegetation Science 4, 375–386.
CrossRef |

Menges ES, Quintana-Ascencio PF, Weekley CW, Gaoue OG (2006) Population viability analysis and fire return intervals for an endemic Florida scrub mint. Biological Conservation 127, 115–127.
CrossRef |

Menges ES, Weekley CW, Clarke GL (2008) Sandhill restoration studies and experimental introduction of Ziziphus celata at Lake Wales Ridge National Wildlife Refuge. Final report. Florida Fish and Wildlife Conservation Commission, Tallahassee, FL. Available at http://research.myfwc.com/publications/ [Verified 1 May 2012]

Morris EC (2000) Germination response of seven east Australia Grevillea species (Proteaceaeteaceae) to smoke, heat exposure and scarification. Australian Journal of Botany 48, 179–189.
CrossRef |

Morris EC, Myerscough PJ (1988) Survivorship, growth and self-thinning in Banksia ericifolia. Australian Journal of Ecology 13, 181–189.
CrossRef |

Myers RL (1985) Fire and the dynamic relationship between Florida sandhill and sand pine scrub vegetation. Bulletin of the Torrey Botanical Club 112, 241–252.
CrossRef |

Noble IR, Slatyer RO (1980) The use of vital attributes to predict successional changes in plant communities subject to recurrent disturbances. Plant Ecology 43, 5–21.
CrossRef |

Pausas JG (1999) Response of plant functional types in changes in the fire regime in Mediterranean ecosystems: a simulation approach. Journal of Vegetation Science 10, 717–722.
CrossRef |

Platt WJ, Evans GW, Davis MM (1988) Effects of fire season on flowering of forbs and shrubs in longleaf pine forests. Oecologia 76, 353–363.

Purdie RW (1977) Early stages of regeneration after burning in dry sclerophyll vegetation. II. Regeneration by seed germination. Australian Journal of Botany 25, 35–46.
CrossRef |

Quintana JR, Cruz A, Fernandez-Gonzalez F, Moreno JM (2004) Time of germination and establishment success after fire of three obligate seeders in a Mediterranean shrubland of central Spain. Journal of Biogeography 31, 241–249.
CrossRef |

Quintana-Ascencio PF, Menges ES (2000) Competitive abilities of three narrowly endemic plant species in experimental neighborhoods along a fire gradient. American Journal of Botany 87, 690–699.
CrossRef | CAS |

Quintana-Ascencio PF, Menges ES, Weekley CW (2003) A fire-explicit population viability analysis of Hypericum cumulicola in Florida rosemary scrub. Conservation Biology 17, 433–449.
CrossRef |

Quintana-Ascencio PF, Menges ES, Weekley CW, Kelrick MI, Pace-Aldana B (2011) Biennial cycling caused by demographic delays in a fire-adapted annual plant. Population Ecology 53, 131–142.
CrossRef |

Reinhart KO, Menges ES (2004) Effects of re-introducing fire to a central Florida sandhill community. Applied Vegetation Science 7, 141–150.
CrossRef |

Roche S, Koch JM, Dixon KW (1997) Smoke enhanced seed germination in the southwest of Western Australia. Restoration Ecology 5, 191–203.
CrossRef |

Satterthwaite WS, Quintana-Ascencio PF, Menges ES (2002) Assessing scrub buckwheat population viability in relation to fire using multiple modeling techniques. Ecological Applications 12, 1672–1687.
CrossRef |

Schafer JL, Menges ES, Qunintana-Ascencio PF, Weekley CW (2010) Effects of time-since-fire and microhabitat on the occurrence and density of the endemic Paronychia chartacea ssp. chartacea in Florida scrub and along roadsides. American Midland Naturalist 163, 294–310.
CrossRef |

Silva JF, Raventos J, Caswell H, Trevisan MC (1991) Population response to fire in a tropical savanna grass, Andropogon semiberbis: a matrix model approach. Journal of Ecology 79, 345–356.
CrossRef |

Slapcinsky JL, Gordon DR, Menges ES (2010) Response of rare plants in fire in Florida’s pyrogenic communities. Natural Areas Journal 30, 4–19.
CrossRef |

SPSS (2002) ‘SPSS. Version 11.5.’ (SPSS, Inc.: Chicago. IL)

Thompson K, Grime JP (1979) Seasonal variation in the seed banks of herbaceous species in ten contrasting habitats. Journal of Ecology 67, 893–921.
CrossRef |

US Fish and Wildlife Service (1999) ‘Multi-species recovery plan for the threatened and endangered species of South Florida.’ (US Fish and Wildlife Service: Vero Beach, FL)

Vila-Cabrera A, Saura-Mas S, Lloret F (2008) Effects of fire frequency on species composition in a Mediterranean shrubland. Ecoscience 15, 519–528.
CrossRef |

Villalobos AE, Pelaez DV, Boo RM, Mayor MD, Elia OR (2007) Effect of a postfire environment on the establishment of Prosopis caldenia seedlings in central semiarid Argentina. Austral Ecology 32, 581–591.
CrossRef |

Weekley CW, Brothers A (2006) Failure of reproductive assurance in the chasmogamous flowers of Polygala lewtonii (Polygalaceae), an endangered sandhill herb. American Journal of Botany 93, 245–253.
CrossRef |

Weekley CW, Menges ES (2003) Species and vegetation responses to prescribed fire in a long-unburned, endemic-rich Lake Wales Ridge scrub. The Journal of the Torrey Botanical Society 130, 265–282.
CrossRef |

Weekley CW, Menges ES, Pickert RL (2008) An ecological map of Florida’s Lake Wales Ridge: a new boundary delineation and an assessment of post-Columbian habitat loss. Florida Scientist 71, 45–64.

Weekley CW, Zaya DN, Menges ES, Faivre AE (2010) Multiple causes of seedling rarity in scrub plum, Prunus geniculata (Rosaceae), an endangered shrub of the Florida scrub. American Journal of Botany 97, 144–155.
CrossRef |

Wellington AB, Noble IR (1985) Post-fire recruitment and mortality in a population of the mallee Eucalyptus incrassata in semi-arid, south-eastern Australia. Journal of Ecology 73, 645–656.
CrossRef |

Whelan RJ (1985) Patterns of recruitment of plant populations after fire in Western Australia and Florida. Proceedings of the Ecological Society of Australia 14, 169–178.

Whelan RJ (1995) ‘The ecology of fire.’ (Cambridge University Press: New York)

Whelan RJ, Main AR (1979) Insect grazing and post-fire plant succession in south-west Australian woodland. Australian Journal of Ecology 4, 387–398.
CrossRef |

Williams PR, Congdon RA, Grice AC, Clarke PJ (2005) Germinable seed banks in tropical savanna: seasonal dynamics and effects of fire. Austral Ecology 30, 79–90.
CrossRef |

Zammit CA, Zedler PH (1992) Size structure and seed production in even-aged populations of Ceonothus greggii in mixed chaparral. Journal of Ecology 81, 499–511.
CrossRef |

Zomlefer WB (1989) ‘Flowering plants of Florida: a guide to common families.’ (Biological Illustrations, Inc.: Gainesville, FL)


   
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