Publications

Powers, J.S., R.A. Montgomery, E.C. Adair, F.Q. Brearley, S.J. DeWalt, C.T. Castanho, J. Chave, E. Deinert, J.U. Ganzhorn, M.E. Gilbert, J. Antonio-Gonzalez, S. Bunyavejchewin, H.R. Grau, K.E. Harms, A. Hiremath, S. Iriarte-Vivar, E. Manzane, A.A. de Oliveira, L. Poorter, J.B. Ramanamanjato, C. Salk, A.Varela, G.D. Weiblen and M.T. Lerdau.  Decomposition in tropical forests: a pan-tropical study of the effects of litter type, litter placement and mesofaunal exclusion across a precipitation gradient. In press.  Journal of Ecology.

 

Powers, J.S., J.M. Becknell, J. Irving, and D. Perez-Aviles. Diversity and structure of regenerating tropical dry forests in Costa Rica: environmental drivers and geographic patterns. Forest Ecology and Management. In press. pdf

 

Sinsabaugh, R.L, C.L. Lauber, M.N. Weintraub, B. Ahmed, S.D. Allison, C. Crenshaw, A.R. Contosta, D. Cusack, S. Frey, M.E. Gallo, T.B. Gartner, S.E. Hobbie, K. Holland, B.L. Keeler, J.S. Powers, M. Stursova, C. Vesbach, M. Waldrop, M. Wallenstein, D. Zak, and L. Zeglin. Stoichiometry of soil enzyme activity at global scale. Ecology Letters 11: 1252–1264. DOI 10.1111/j.1461-0248.2008.01245.x pdf

Sayer, E.J., J.S. Powers, and E.V.J. Tanner. 2007. Increased litterfall in tropical forests boosts the transfer of soil CO2 to the atmosphere. PloS ONE 2(12): e1299. doi10.1371/journal.pone.0001299. pdf

 

Powers, J.S. 2006. Spatial variation of soil carbon concentrations and stable isotopic composition in 1-ha plots of forest and pasture in Costa Rica. Biology and Fertility of Soils. 42: 580-584. pdf

 

Powers, J.S., and E. Veldkamp. 2005. Regional variation in soil carbon and d13C in paired forests and pasture of Northeastern Costa Rica. Biogeochemistry 72: 315-336. pdf

 

Powers, J.S., K.K. Treseder and M.T. Lerdau. 2005. Fine roots, arbuscular mycorrhizal hyphae and soil nutrients in four Neotropical rain forests: patterns across large geographic distances. New Phytologist 165: 913-921. pdf

 

Powers, J.S., M.H. Kalicin, and M.E. Newman. 2004. Tree species do not influence local soil chemistry in a species-rich Costa Rican rain forest. Journal of Tropical Ecology 20: 587-90. pdf

 

Powers, J.S. 2004. Soil carbon and nitrogen storage following contrasting land-use transitions in Northeastern Costa Rica. Ecosystems 7: 134-146. pdf

 

Powers, J.S., J.M. Read, J.S. Denslow, and S.M. Guzman. 2004. Estimating soil carbon fluxes following land-cover change: a test of some critical assumptions for a region in Costa Rica. Global Change Biology 10: 170-181. pdf

 

Harms, K.E., J.S. Powers, and R.A. Montgomery. 2004. Small sapling densities relative to resources and understory vegetation in four Neotropical forests. Biotropica 36: 40-51. pdf

 

Powers, J.S. 2004. New perspectives in comparative ecology of Neotropical rain forests: Reflections on past, present and future. Biotropica 36: 2-6. pdf

 

Powers, J.S., and M. Lerdau. 2002. Las relaciones entre características químicas y físicas de hojas y la decomposición de hojarasca de las especies de un bosque seco en el Parque Naciónal Santa Rosa, Costa Rica. In Ecosistemas forestales de bosque seco tropical: investigaciones y resultados en Mesoamérica, Universidad Nacional, Heredia, Costa Rica, pp. 119-124.

 

Powers, J.S., and W.H. Schlesinger. 2002. Relationships between soil carbon distributions and biophysical factors at nested spatial scales in rain forests of Northeastern Costa Rica. Geoderma 109: 165-190. pdf

 

Powers, J.S., and W.H. Schlesinger. 2002. Geographic and vertical patterns of stable carbon isotopes in tropical rainforest soils of Costa Rica. Geoderma 109: 141-160. pdf

 

Loescher, H.W., J.S. Powers, S.F. Oberbauer. 2002. Spatial variation of throughfall in an old growth tropical wet forest, Costa Rica. Journal of Tropical Ecology 18: 397-407. pdf

 

Powers, J.S., P. Sollins, M.E. Harmon, and J.A. Jones. 1999. Plant-pest interactions in time and space: a Douglas-fir bark beetle outbreak as a case study. Landscape Ecology 14: 105-120. pdf

 

Powers, J.S., J.P. Haggar, and R.F. Fisher. 1997. The effect of overstory composition on understory woody regeneration and species richness in 7-year-old plantations in Costa Rica. Forest Ecology and Management 99: 43-54. pdf