Conservation Ecologist / Team Leader

11935 Old Cutler Road
Miami, FL 33156 USA
Phone 305/667-1651, ext. 3416
Fax 305/665-8032
jmaschinski@fairchildgarden.org

For Joyce Maschinski's complete CV, click here.

Education

Northern Arizona University, Ph.D., Botany, 1989
University of Arizona, M.Ed., Reading Education, 1981
University of Arizona, B.S., Secondary Education, Biology, 1978

Roles at Center for Tropical Plant Conservation

• Coordinates multifaceted South Florida Endangered and Threatened Flora Program
• Establishes and maintains collaborative relationships with local and international agencies and individuals

Fields of Interest

• Rare plant biology and conservation ecology
• Restoration, reintroductions, plant demography, hybridization, herbivory, fragmentation, habitat destruction, timber harvest, fire, trampling
• Population viability modeling (PVA)
• Ex situ seed banks for conservation  
• Impacts of climate change on rare plant populations
• Impacts of human activities on rare plants and communities
• Management solutions for the conservation of rare species and their habitats

Current Research Projects

• Habitat restoration and its impacts on rare, native and exotic species in communities
• Review of plant reintroduction as a conservation strategy; Factors influencing success or failure of reintroductions of rare plants
• Habitat-specific plant demography in wild and reintroduced populations
• Plant demography and population viability modeling of endangered species (Dalea carthagenensis, Tephrosia angustissima var. corallicola, Linum carteri var. carteri, Ipomopsis sancti-spiritus)

• Using ex situ collections and habitat connections to connect community and create solutions to habitat degradation and climate change

Recent Publications 

Maschinski, J., E. Sirkin and J.Fant. 2010. Using genetic and morphological analysis to distinguish endangered taxa from their hybrids with the cultivated exotic pest plant Lantana camara. Conservation Genetics DOI 10.1007/s10592-009-0035-6 

Possley, J., J. Maschinski, C. Rodriguez, and J. Dozier.  2009.  Alternatives for reintroducing a rare ecotone species: manually thinned forest edge versus restored habitat remnant.  Restoration Ecology 17:668-677. 

Wendelberger, K.S., J. Maschinski. 2009. Linking GIS, observational and experimental studies to determine optimal seedling microsites of an endangered plant in a subtropical urban fire-adapted ecosystem. Restoration Ecology 17: 845-853. 

Possley, J., Woodmansee, S., Maschinski, J. 2008. Patterns of plant diversity in fragments of globally imperiled pine rockland forest: effects of recent fire frequency and fragment size.  Natural Areas Journal 28:379-394. 

Possley, J., J. Maschinski, C. Rodriguez, and J. Dozier.  2008.  Alternatives for reintroducing a rare ecotone species: manually thinned forest edge versus restored habitat remnant.  Restoration Ecology online doi 10.111/j.1526-100X.2008.00395.x 

Wendelberger, K.S., J. Maschinski. 2008. Linking GIS, observational and experimental studies to determine optimal seedling microsites of an endangered plant in a subtropical urban fire-adapted ecosystem. Restoration Ecology online doi:10.1111/j.1526-100X.2008.00422.x 

Thornton, H.E.B., J. Roncal, C. E. Lewis, J. Maschinski, and J. Francisco-Ortega. 2008. Genetic structure and diversity of Jacquemontia reclinata, an endangered coastal morning glory species from Southern Florida: Implications for conservation management.  Biotropica 40: 507-514. 

Lane, C., S.J. Wright, J. Roncal, and J. Maschinski. 2008. Characterizing environmental gradients and their influence on vegetation zonation in a subtropical coastal sand dune system.  Journal of Coastal Research 24: 213-224. 

Travis, S.E., J.E. Baggs, and J. Maschinski. 2007.  Disentangling the role of hybridization in the evolution of the endangered Arizona cliffrose  (Purshia subintegra; Rosaceae): a molecular and morphological analysis. Conservation Genetics doi: 10.1007/s10592-007-9434-8 

Wendelberger, K. S., M. Q.N. Fellows and J. Maschinski. 2007. Rescue and restoration: Experimental translocation of Amorpha herbacea Walter. var. crenulata (Rybd.) Isley into a novel urban habitat.  Restoration Ecology online doi: 10.1111/j.1526-100x.2007.00325.x  

Possley, J., K. Hines, J. Maschinski, J. Dozier, and C. Rodriguez.  2007.  A common passion: multiple agencies and volunteers unite to reintroduce goatsfoot passionflower to rockland hammocks of Miami, Florida, USA. Native Plants Journal 8:252-258. 

Maschinski, J. and J. Duquesnel. 2006. Successful reintroductions of the endangered long-lived Sargent’s cherry palm, Pseudophoenix sargentii, in the Florida Keys. Biological Conservation 134:122-129. 

Maschinski, J. and S. J. Wright.  2006.  Using Ecological Theory to Plan Restorations of the Endangered Beach Jacquemontia in Fragmented Habitats.  Journal for Nature Conservation 14: 180-189. 

Possley, J. and J. Maschinski. 2006. Competitive effects of the invasive grass Rhynchelytrum repens (Willd.) C.E. Hubb. On native pine rockland vegetation.  Natural Areas Journal 26:390-394. 

Maschinski, J. 2006.  Implications of Population Dynamic and Metapopulation Theory for Restoration. In Foundations of Restoration Ecology, D. Falk, M. Palmer, and J. Zedler (editors). Island Press, Washington, DC. 

Maschinski, J., J. E. Baggs, Quintana-Ascencio, P.F, and E.S. Menges. 2006. Using PVA to examine effects of climate change on the population viability of an endangered limestone endemic shrub, Arizona cliffrose.  Conservation Biology 20:218-228. 

Roncal, J., J. Fisher, M.Q.N. Fellows, K. Wendelberger, J. Maschinski, and M.W. Fidelibus. 2006. Propagation protocol for the endangered crenulate lead plant, Amorpha herbacea Walter var. crenulata (Rydberg) Isely. Native Plants Journal 7:89-93. 

Roncal, J., J. Fisher, S.J. Wright, A. Frances, K. Griffin, J. Maschinski, and M.W. Fidelibus. 2006. Propagation protocol for the endangered Jacquemontia reclinata House from South Florida.  Native Plants Journal 7:301-306. 

Maschinski, J., J. Possley, M. Q.N. Fellows, C. Lane, A. Muir, K. Wendelberger, S. Wright, and H. Thornton.  2005. Using Thinning as a Fire Surrogate to Improve Native Plant Diversity in a South Florida Pine Rockland Habitat. Ecological Restoration 23:2. 

Cariaga, K.A., C.E. Lewis, J. Maschinski, S.J. Wright, and J. Francisco-Ortega. 2005. Patterns Of Genetic Diversity In The Critically Endangered Florida Key Endemic Consolea Corallicola Small (Cactaceae): Evidence From Inter Simple Sequence Repeat (ISSRs) DNA Polymorphisms. Caribbean Journal Of Botany 41:225-233. 

Albrecht, W. D., J. Maschinski, A. Mracna, and S. Murray. 2005. A Community Participatory Project to Restore a Native Grassland. Natural Areas Journal 25:137-146. 

Maschinski, J., J. E. Baggs, and C.F. Sacchi.  2004.  Seedling Recruitment and Survival of an Endangered Limestone Endemic in its Natural Habitat and Experimental Reintroduction Sites. American Journal of Botany 91: 689-698. 

Beier, P. and J. Maschinski. 2003. Threatened, Endangered, and Sensitive Species. in P. Friederici and Ecological Restoration Institute at Northern Arizona University (eds.) Ecological Restoration of Southwestern Ponderosa Pine Forests. Island Press, Washington, DC. 

Maschinski, J. 2001. Impacts of ungulate herbivores on a rare willow at the southern edge of its range. Biological Conservation 101(1):119-130. 

Maschinski, J. and L. Holter. 2001. Southwestern Rare and Endangered Plant Conference: Proceedings of the Third Conference; 2000 September 25-28; Flagstaff, AZ. RMRS-P-23. Fort Collins,Co: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. 250 pp. 

Maschinski, J. 2001. Timing and intensity of Herbivory on a rare understory species.  Southwestern Rare and Endangered Plant Conference: Proceedings of the Third Conference; 2000 September 25-28; Flagstaff, AZ. RMRS-P-23. Fort Collins,Co: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. 250 pp. 

Maschinski, J. 2001. Extinction Risk of Ipomopsis sancti-spiritus in Holy Ghost Canyon With and Without Management Intervention. Southwestern Rare and Endangered Plant Conference: Proceedings of the Third Conference; 2000 September 25-28; Flagstaff, AZ. RMRS-P-23. Fort Collins,Co: USDA, Forest Service, Rocky Mountain Research Station. 250 pp.   

Baggs, J. and J. Maschinski. 2001. From the greenhouse to the field: cultivation requirements of Purshia subintegra, Arizona cliffrose.  Southwestern Rare and Endangered Plant Conference: Proceedings of the Third Conference; 2000 September 25-28; Flagstaff, AZ. RMRS-P-23. Fort Collins,Co: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. 250 pp. 

Baggs, J. and J. Maschinski. 2001.  The threat of increasing hybridization to a rare plant species, Purshia subintegra, in the Verde Valley. Southwestern Rare and Endangered Plant Conference: Proceedings of the Third Conference; 2000 September 25-28; Flagstaff, AZ. RMRS-P-23. Fort Collins,Co: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. 250 pp. 

Busco, J.K. and J. Maschinski. 1999. Propagation of promising high-elevation species native to the Colorado Plateau.  The International Plant Propagators’ Society. Volume 49.

Maschinski, J., G. Southam, J. Hines, S. Strohmeyer. 1999. Efficiency of a subsurface constructed wetland system using native Southwestern U.S. plants. Journal of Environmental Quality 28: 225-231. 

Maschinski, J., T. E. Kolb, E. Smith, and B. Phillips. 1997. Potential impacts of timber harvest on a rare plant species, Clematis hirsutissima var. arizonica.  Biological Conservation 80: 49-61. 

Maschinski, J.,S. Rutman and R. Frye. 1997. Demography and Population Viability of an endangered plant species before and after protection from trampling. Conservation Biology 11:990-999. 

Travis, S. E., J. Maschinski, and P. Keim. 1996. An analysis of genetic variation in Astragalus cremnophylax var. cremnophylax, a critically-endangered plant, using AFLP markers. Molecular Ecology 5: 735-745. 

Maschinski, J. , H.D. Hammond and L. Holter, tech. eds. 1996. Southwestern rare and endangered plants: Proceedings of the second conference; 1995 September 11-14; Flagstaff, AZ. Gen Tech. Rep RM-GTR-283. Fort Collins,Co: U.S. Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station. 326p.  

Maschinski, J. 1996. Seed germination and pollination requirements of Holy Ghost Ipomopsis (Ipomopsis sancti-spiritus). In J. Maschinski, H.D. Hammond and L. Holter, tech. eds. Southwestern rare and endangeredplants: Proceedings of the second conference; 1995 September 11-14; Flagstaff, AZ. Gen Tech. Rep RM-GTR-283. Fort Collins, Co: U.S.Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station. 326p. 

Kolb, T.E. and J. Maschinski. 1996. An ecophysiological analysis of shade effects on Clematis hirsutissima var. arizonica. In J. Maschinski, H.D. Hammond and L. Holter, tech. eds. Southwestern rare and endangered plants: Proceedings of the second conference; 1995 September 11-14; Flagstaff, AZ. Gen Tech. Rep RM-GTR-283. Fort Collins, Co: U.S.    Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station. 326p.  

Strohmeyer, S. and J. Maschinski. 1996. Cattle and elk herbivory on Arizona willow (Salix arizonica). In J. Maschinski, H.D. Hammond and L. Holter, tech. eds. Southwestern rare and endangered plants: Proceedings  of the second conference; 1995 September 11-14; Flagstaff, AZ. Gen Tech. Rep RM-GTR-283. Fort Collins, Co: U.S. Department of Agriculture, Forest    Service, Rocky Mountain Forest and Range Experiment Station. 326p.  

Whitham, T.G. and J. Maschinski. 1996. Current hybrid policy and the importance of hybrid plants in conservation. In J. Maschinski, H.D. Hammond and L. Holter, tech. eds. Southwestern rare and endangered plants: Proceedings of the second conference; 1995 September 11-14;  Flagstaff, AZ. Gen Tech. Rep RM-GTR-283. Fort Collins, Co: U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station. 326p.  

Maschinski, J. 1993. Integrated conservation strategies for recovery of sentry milk-vetch at the south rim of Grand Canyon National Park. In Proceedings of the first biennial conference on research on Colorado Plateau national parks.  National Park Service, Natural Resources Publication Office, Denver, CO. 

Maschinski, J. and S. Rutman. 1993. The price of waiting may be too high: Astragalus cremnophylax var. cremnophylax at Grand Canyon National Park.  In R. Sivinski and K. Lightfoot, eds. Proceedings of the southwestern rare and endangered plant conference. New Mexico Forestry and Resources Conservation Division, Santa Fe. 

Maschinski, J. and B. Phillips. 1993. Impacts of experimental manipulation of overstory on Arizona Leatherflower (Clematis hirsutissima var. arizonica) Demography. In R. Sivinski and K. Lightfoot, eds. Proceedings of the southwestern rare and endangered plant conference.  New Mexico Forestry and Resources Conservation Division, Santa Fe. 

Mopper, S., J. Maschinski, N. Cobb, and T.G. Whitham. 1991. A new look at habitat structure: consequences of herbivore-mediated plant architecture. In S.S. Bell, E.D. McCoy, and H.R. Mushinsky, eds. Habitat structure: the physical arrangement of objects in space. Chapman and Hall, New York. 

Whitham, T.G., J. Maschinski, K.C. Larson, and K.N. Paige. 1991. Plant responses to herbivory: the continuum from negative to positive and underlying physiological mechanisms. In P.W. Price, T.W.Lewinsohn, G.W. Fernandes, and W.W. Benson, eds. Plant-Animal Interactions: evolutionary ecology in tropical and temperate regions. John Wiley & Sons, Inc., New York. 

Maschinski, J. and T.G. Whitham. 1989. The continuum of plant responses to herbivory: the influence of plant association, nutrient availability and timing. American Naturalist 134:1-19. 

McAndrews (Maschinski), J. 1978. Ecology. In T. H. Estes and J.L.Vaughan, Jr. eds. Reading and Learning in the content classroom.  Allyn and Bacon, Inc., Boston.