Search Results - "Harms, E."

Seed arrival, ecological filters, and plant species richness: a meta-analysis by Myers, Jonathan A, Harms, Kyle E

“…Theoretical models predict that effects of dispersal on local biodiversity are influenced by the size and composition of the species pool, as well as…”
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Nonrandom, diversifying processes are disproportionately strong in the smallest size classes of a tropical forest by Green, Peter T., Harms, Kyle E., Connell, Joseph H.

“…A variety of ecological processes influence diversity and species composition in natural communities. Most of these processes, whether abiotic or biotic,…”
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Potassium, phosphorus, or nitrogen limit root allocation, tree growth, or litter production in a lowland tropical forest by Wright, S. Joseph, Yavitt, Joseph B, Wurzburger, Nina, Turner, Benjamin L, Tanner, Edmund V. J, Sayer, Emma J, Santiago, Louis S, Kaspari, Michael, Hedin, Lars O, Harms, Kyle E, Garcia, Milton N, Corre, Marife D

“…We maintained a factorial nitrogen (N), phosphorus (P), and potassium (K) addition experiment for 11 years in a humid lowland forest growing on a relatively…”
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Plant responses to fertilization experiments in lowland, species-rich, tropical forests by Joseph Wright, S., Turner, Benjamin L., Yavitt, Joseph B., Harms, Kyle E., Kaspari, Michael, Tanner, Edmund V. J., Bujan, Jelena, Griffin, Eric A., Mayor, Jordan R., Pasquini, Sarah C., Sheldrake, Merlin, Garcia, Milton N.

“…We present a meta-analysis of plant responses to fertilization experiments conducted in lowland, species-rich, tropical forests. We also update a key result…”
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Functional traits and the growth-mortality trade-off in tropical trees by Wright, Ian J, Wright, S. Joseph, Kitajima, Kaoru, Kraft, Nathan J. B, Reich, Peter B, Bunker, Daniel E, Condit, Richard, Dalling, James W, Davies, Stuart J, Díaz, Sandra, Engelbrecht, Bettina M. J, Harms, Kyle E, Hubbell, Stephen P, Marks, Christian O, Ruiz-Jaen, Maria C, Salvador, Cristina M, Zanne, Amy E

“…A trade-off between growth and mortality rates characterizes tree species in closed canopy forests. This trade-off is maintained by inherent differences among…”
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Are functional traits good predictors of demographic rates? Evidence from five neotropical forests by Poorter, L, Wright, S.J, Paz, H, Ackerly, D.D, Condit, R, Ibarra-Manriquez, G, Harms, K.E, Licona, J.C, Martinez-Ramos, M, Mazer, S.J, Muller-Landau, H.C, Pena-Claros, M, Webb, C.O, Wright, I.J

“…A central goal of comparative plant ecology is to understand how functional traits vary among species and to what extent this variation has adaptive value…”
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Seed arrival and ecological filters interact to assemble high-diversity plant communities by Myers, Jonathan A., Harms, Kyle E.

“…Two prominent mechanisms proposed to structure biodiversity are niche-based ecological filtering and chance arrival of propagules from the species pool. Seed…”
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Tropical tree seedling growth responses to nitrogen, phosphorus and potassium addition by Santiago, Louis S., Wright, S. Joseph, Harms, Kyle E., Yavitt, Joseph B., Korine, Carmi, Garcia, Milton N., Turner, Benjamin L.

“…1. Nutrients are a critical resource for plant growth, but the elements limiting growth in tropical forests have rarely been determined. 2. We investigated the…”
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Low sodium availability in hydroponically manipulated host plants promotes cannibalism in a lepidopteran herbivore by Santiago-Rosario, Luis Y., Salgado, Ana L., Paredes-Burneo, Diego, Harms, Kyle E.

“…As an abundant element in the Earth’s crust, sodium plays an unusual role in food webs. Its availability in terrestrial environments is highly variable, but it…”
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Relationships among net primary productivity, nutrients and climate in tropical rain forest: a pan-tropical analysis by Cleveland, Cory C., Townsend, Alan R., Taylor, Philip, Alvarez-Clare, Silvia, Bustamante, Mercedes M. C., Chuyong, George, Dobrowski, Solomon Z., Grierson, Pauline, Harms, Kyle E., Houlton, Benjamin Z., Marklein, Alison, Parton, William, Porder, Stephen, Reed, Sasha C., Sierra, Carlos A., Silver, Whendee L., Tanner, Edmund V. J., Wieder, William R.

“…Ecology Letters (2011) 14: 939–947 Tropical rain forests play a dominant role in global biosphere‐atmosphere CO2 exchange. Although climate and nutrient…”
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Habitat fragmentation, variable edge effects, and the landscape-divergence hypothesis by Laurance, William F, Nascimento, Henrique E M, Laurance, Susan G, Andrade, Ana, Ewers, Robert M, Harms, Kyle E, Luizão, Regina C C, Ribeiro, José E

“…Edge effects are major drivers of change in many fragmented landscapes, but are often highly variable in space and time. Here we assess variability in edge…”
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Soil Nutrients Influence Spatial Distributions of Tropical Tree Species by John, Robert, Dalling, James W., Harms, Kyle E., Yavitt, Joseph B., Stallard, Robert F., Mirabello, Matthew, Hubbell, Stephen P., Valencia, Renato, Navarrete, Hugo, Vallejo, Martha, Foster, Robin B.

“…The importance of niche vs. neutral assembly mechanisms in structuring tropical tree communities remains an important unsettled question in community ecology…”
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Competitive Interactions of Flowering Rush (Butomus umbellatus L.) Cytotypes in Submersed and Emergent Experimental Aquatic Plant Communities by Harms, Nathan E.

“…The ability to invade communities in a variety of habitats (e.g., along a depth gradient) may facilitate establishment and spread of invasive plants, but how…”
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Record high-gradient SRF beam acceleration at Fermilab by Broemmelsiek, D, Chase, B, Edstrom, D, Harms, E, Leibfritz, J, Nagaitsev, S, Pischalnikov, Y, Romanov, A, Ruan, J, Schappert, W, Shiltsev, V, Thurman-Keup, R, Valishev, A

“…Many modern and future particle accelerators employ high gradient superconducting RF (SRF) to generate beams of high energy, high intensity and high brightness…”
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Soil resources and topography shape local tree community structure in tropical forests by Baldeck, Claire A., Harms, Kyle E., Yavitt, Joseph B., John, Robert, Turner, Benjamin L., Valencia, Renato, Navarrete, Hugo, Davies, Stuart J., Chuyong, George B., Kenfack, David, Thomas, Duncan W., Madawala, Sumedha, Gunatilleke, Nimal, Gunatilleke, Savitri, Bunyavejchewin, Sarayudh, Kiratiprayoon, Somboon, Yaacob, Adzmi, Supardi, Mohd N. Nur, Dalling, James W.

“…Both habitat filtering and dispersal limitation influence the compositional structure of forest communities, but previous studies examining the relative…”
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Multiple nutrients limit litterfall and decomposition in a tropical forest by Kaspari, Michael, Garcia, Milton N, Harms, Kyle E, Santana, Mirna, Wright, S. Joseph, Yavitt, Joseph B

“…To explore the importance of 12 elements in litter production and decomposition, we fertilized 36 1600 m²-plots with combinations of N, P, K, or micronutrients…”
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Habitat filtering across tree life stages in tropical forest communities by Baldeck, C. A., Harms, K. E., Yavitt, J. B., John, R., Turner, B. L., Valencia, R., Navarrete, H., Bunyavejchewin, S., Kiratiprayoon, S., Yaacob, A., Supardi, M. N. N., Davies, S. J., Hubbell, S. P., Chuyong, G. B., Kenfack, D., Thomas, D. W., Dalling, J. W.

“…Tropical tree communities are shaped by local-scale habitat heterogeneity in the form of topographic and edaphic variation, but the life-history stage at which…”
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Resource-based habitat associations in a neotropical liana community by Dalling, James W., Schnitzer, Stefan A., Baldeck, Claire, Harms, Kyle E., John, Robert, Mangan, Scott A., Lobo, Elena, Yavitt, Joseph B., Hubbell, Stephen P.

“…1. Lianas are a conspicuous element of many tropical forests, accounting for up to 40% of woody stem density and 20% of species richness in seasonal forests…”
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Seasonal changes in soil organic matter after a decade of nutrient addition in a lowland tropical forest by Turner, Benjamin L, Yavitt, Joseph B, Harms, Kyle E, Garcia, Milton N, Wright, S. Joseph

“…Soil organic matter is an important pool of carbon and nutrients in tropical forests. The majority of this pool is assumed to be relatively stable and to turn…”
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The role played by oxidative stress in evoking the exercise pressor reflex in health and simulated peripheral artery disease by Harms, Jonathan E., Kuczmarski, J. Matthew, Kim, Joyce S., Thomas, Gail D., Kaufman, Marc P.

“…Key points Ligating the femoral artery of a rat for 72 h, a model for peripheral artery disease, causes an exaggerated exercise pressor reflex in response to…”
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