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Publications
Scientific Publications:
Porder, S. and G.E. Hilley (submitted). Linking chronosequences with the rest of the world - predicting soil phosphorus content in eroding landscapes. Biogeochemistry.
Hilley, G.E., C.P. Chamberlain, S.G. Moon, S. Porder and S.D. Willett (submitted). Competition between erosion and reaction kinetics in controlling silicate weathering rates. Earth and Planetary Science Letters.
Peltzer, D.A., D.A. Wardle, V.J. Allison, T.W. Baisden, R.D. Bardgett, O.A. Chadwick, L.M. Condron, R.L. Parfitt, S. Porder, S.J. Richardson, B.L. Turner, P.M. Vitousek, J. Walker and L.R. Walker (submitted). Understanding ecosystem retrogression. Ecology
Chaves, J. and S. Porder (submitted). Inorganic and organic nitrogen losses from a montane tropical forest in Las Alturas, Costa Rica. Biogeochemistry.
Hagaman, L.*, J. Chaves and S. Porder (submitted). The Impact of Land Use Practices on Nitrogen in Freshwater Streams, Guanacaste, Costa Rica. Pacific Science.
Lipson, D. *, R. Harrison, S. P. Hamburg and S. Porder (submitted). Carbon Stock Changes in Soil and Biomass from House Lot Development in King County, Washington. Urban Ecosystems.
Vitousek, P.M., S. Porder, B.Z. Houlton and O.A. Chadwick. (in press). Terrestrial phosphorus limitation: mechanisms, implications, and nitrogen-phosphorus interactions. Ecological Applications. Porder, S. and O.A. Chadwick (2009). Climate and soil-age constraints on nutrient uplift and retention by plants. Ecology 90 (3): 623-636.
Palmer, M., M. Graves , T. Ladefoged , O.A. Chadwick , K. Duarte , S. Porder, P.M. Vitousek (2009). Sources of Nutrients to Windward Agricultural Systems in Pre-contact Hawai`i. Ecological Applications 19(6) 1444-1453.
Hilley, G.E. and S. Porder (2008). A framework for predicting global silicate weathering and CO2 drawdown rates over geologic time. Proceedings of the National Academy of Sciences 105(44) 16855-16859 (doi/10.1073/pnas.0801462105)
Bern, C.R., Porder, S. and A.R. Townsend. (2007). Erosion
and landscape development decouple strontium and sulfur in the
transition to dominance by atmospheric inputs. Geoderma 142:
274-284.
Porder, S., O.A. Chadwick, and G.E. Hilley. (2007). Chemical
weathering across a climate by time matrix in the Hawaiian Islands. Earth
and Planetary Science Letters 258: 414-427. [PDF]
Porder, S., P.M. Vitousek, O.A. Chadwick, C.P. Chamberlain
and G.E. Hilley. (2007). Uplift, erosion, and phosphorus
limitation in terrestrial ecosystems. Ecosystems 10:
158-170. [PDF]
Porder, S., D.B. Clark, and P.M. Vitousek (2006). Persistence
of rock-derived nutrients in the wet tropical forests of La Selva,
Costa Rica. Ecology 87(3), 594-602. [PDF]
Porder, S., G.P. Asner., and P.M. Vitousek (2005). Ground-based
and remotely-sensed nutrient availability across a tropical landscape Proceedings
of the National Academy of Sciences 102 (31), 10909 – 10912. [PDF]
Porder, S., A. Paytan, and P.M. Vitousek (2005). Erosion
and landscape development affect plant nutrient status in the Hawaiian
Islands. Oecologia 142, 440 – 449. [PDF]
Vitousek, P; Chadwick, O; Matson, P; Allison, S; Derry, L; Kettley,
L; Luers, A; Mecking, E; Monastra, V; Porder, S. (2003) Erosion
and the rejuvenation of weathering-derived nutrient supply in an
old tropical landscape. Ecosystems 6(8) 762-772.
Porder, S., A. Paytan and E.A. Hadly (2003). Mapping the
origins of faunal assemblages using strontium isotopes. Paleobiology 29(2)
197-204. . [PDF]
* indicates undergraduate senior thesis advisee and honors project
Policy Publications:
Chan, K.M.A., Higgins, P.A.T. and S. Porder (2005). Protecting
science from abuse requires a broader form of outreach. Public
Library of Science 3 (7) e218.
Porder, S., K.M.A. Chan and P.A.T. Higgins (2004). Scientists
must conquer the reluctance to speak out. Nature 431,
p1046.
Chan, KMA, S. Porder and P.A.T. Higgins (2004) Concern is
more than just 'ruffled feathers' - If a government abuses science
to justify its policies, scientists have a duty to speak out. Nature 428,
p255.
Porder, S., K.M.A Chan and P.A.T Higgins (2004) Science
and policy – it’s an issue of trust. San Francisco
Chronicle April 4, 2004.
Porder, S. (2004) Science and policy - Uneasy partners. Bioscience 54(1)
6-7. . [PDF]
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