Long-Term Research in Environmental Biology: White Clay Creek, Pennsylvania


Assistance was provided by NSF funding under three grant awards. Accomplishments are marked by asterisks indicating which grant provided assistance:

*NSF Award No. DEB-0096276. Title: LTREB: Stream ecosystem structure and function within a maturing deciduous forest. Duration: August 1998–July 2003. Principal Investigator: L. A. Kaplan. Co-principal investigators: B. W. Sweeney, T. L. Bott, J. D. Newbold, J.K. Jackson, and L. J. Standley. Amount: $250,000.

**NSF Award No. DEB-0424681 Title: LTREB: Stream ecosystem structure and function within a maturing deciduous forest. Duration: August 2004–July 2009. Principal Investigator: L. A. Kaplan. Co-principal investigators: A.K. Aufdenkampe, T. L. Bott, J.K. Jackson and J. D. Newbold. Amount: $300,000.

***NSF Award No. DEB-1052716 Title: LTREB: Trajectory for the recovery of stream ecosystem structure and function during reforestation. Principal Investigator: L. A. Kaplan. Co-principal investigators: A.K. Aufdenkampe, W.H. Eldridge, J.K. Jackson and J. Kan. Amount: $450,000.

  1. *Aiken, G., L. A. Kaplan, and J. Weishaar. 2002. Assessment of relative accuracy in the determination of organic matter concentrations in aquatic systems. Journal of Environmental Monitoring. 4:70-74. Request PDF.
  2. *Battin, T. J., L. A. Kaplan, J. D. Newbold, and S. P. Hendricks. 2003a. A mixing model analysis of stream solute dynamics and the contribution of a hyporheic zone to ecosystem function. Freshwater Biology:48:995-1014. Request PDF.
  3. *Battin, T. J., L. A. Kaplan, J. D. Newbold, and C. E. Hansen. 2003b. Contributions of microbial biofilms to ecosystem processes in stream mesocosms. Nature 426:439-442. Request PDF.
  4. *Battin, T. J., L. A. Kaplan, J. D. Newbold, X. Cheng, and C. Hansen. 2003c. Effects of current velocity on the nascent architecture of stream microbial biofilms. Applied and Environmental Microbiology. 63:5443-5452.
  5. **Battin, T. J., L. A. Kaplan, S. Findlay, C. S. Hopkinson, E. Marti, A. I. Packman, J. D. Newbold, and F. Sabater. 2008. Biophysical controls on organic carbon fluxes in fluvial networks. Nature Geoscience 1:95-100. Request PDF.
  6. **Battin, T. J., S. Luyssaert, L. A. Kaplan, A. K. Aufdenkampe, A. Richter, and L. J. Tranvik. 2009. The boundless carbon cycle. Nature Geoscience 2:598-600. Request PDF.
  7. *Bott, T. L. 2006. Primary productivity and community respiration, pp.263-290. In: F. R. Hauer and G. A. Lamberti, eds. Methods in Stream Ecology, 2nd ed. Elsevier, New York.
  8. *Bott, T. L. and L. A. Kaplan. 2002. Autecological properties of 3-chlorobenzoate-degrading bacteria and their population dynamics when introduced into sediments. Microbial Ecology 43:199-216. Request PDF.
  9. *Bott, T. L., J. D. Newbold, and D. B. Arscott. 2006. Ecosystem metabolism in Piedmont streams: reach geomorphology modulates the influence of riparian vegetation. Ecosystems 9:398-421. Request PDF.
  10. *Cheng, X. and L.A. Kaplan. 2001. Improved analysis of dissolved carbohydrates in stream water with HPLC-PAD. Analytical Chemistry 73:458-461.
  11. *Cheng, X., and L. A. Kaplan. 2003. Simultaneous analyses of neutral carbohydrates and amino sugars in freshwaters with HPLC-PAD. Journal of Chromatographic Science 41:434-438. Request PDF.
  12. ***Cory, R. M., and L. A. Kaplan. 2012. Biological lability of streamwater fluorescent dissolved organic matter. Limnology and Oceanography, 57 (5), 1347-1360.
  13. *Fenstermacher, H. 2002. The effects of nonindigenous Norway maple (Acer platanoides) on an aquatic insect community. M.S. Thesis, Entomology and Applied Ecology, University of Delaware.
  14. **Findlay, R. H., C. Yeates, M. A. J. Hullar, D. A. Stahl, and L. A. Kaplan. 2008. Biome-level biogeography of streambed microbiota. Applied and Environmental Microbiology 74:3014-3021. Request PDF.
  15. *Frazier, S. W., L. A. Kaplan, and P. G. Hatcher. 2005. Molecular characterization of biodegradable dissolved organic matter using bioreactors and [12C/13C] tetramethylammonium hydroxide thermochemolysis GC-MS. Environmental Science and Technology 39:1479-1491. Request PDF.
  16. *Frazier, S. W., K. O. Nowack, K. M. Goins, F. S. Cannon, L. A. Kaplan, and P. G. Hatcher. 2003. Characterization of organic matter from natural waters using tetramethylammonium hydroxide thermochemolysis GC-MS. Journal of Analytical and Applied Pyrolysis 70:99-128.
  17. **Funk D.H., J.K. Jackson, and B.W. Sweeney. 2006. Taxonomy and genetics of the parthenogenetic mayfly Centroptilum triangulifer and its sexual sister Centroptilum alamance (Ephemeroptera: Baetidae), Journal of the North American Benthological Society 25:417-429. Request PDF
  18. ***Funk, D. H., Sweeney, B. W., and Jackson, J. K.. 2010. Why stream mayflies can reproduce without males but remain bisexual: a case of lost genetic variation.. Journal of the North American Benthological Society, 29:1258-1266.
  19. *Funk, D. H. and H. Fenstermacher. 2002. Description of the aquatic larva and pupa of Paralichas trivittis (Coleoptera: Ptilodactylidae), with notes on its biology. Entomology News 113:344-354. Request PDF
  20. *Gandhi, H., T. N. Wiegner, P. H. Ostrom, L. A. Kaplan, N. E. Ostrom. 2004. Isotopic (13C) analysis of dissolved organic carbon in stream water samples using an elemental analyzer coupled to a stable isotope ratio mass spectrometer. Rapid Communications in Mass Spectrometry 18:903-906. Request PDF.
  21. *Georgian, T., J. D. Newbold, S. A. Thomas, M. T. Monaghan, G. W. Minshall, and C. E. Cushing. 2003. Comparison of corn pollen and natural fine particulate matter transport in streams: can pollen be used as a seston surrogate? Journal of the North American Benthological Society 22:2-15.
  22. **Hodkinson, I.D. and J.K. Jackson. 2005. Terrestrial and aquatic invertebrates as bioindicators for environmental monitoring, with particular reference to mountain ecosystems. Environmental Management 35:649-666. Request PDF.
  23. **Hogan, K. R. 2008. Spatial and temporal variation in streambed bacterial community composition and correlation with environmental variables. Ph.D. dissertation. University of Pennsylvania, Philadelphia.
  24. *Horwitz, R. J., W. C. Hession, and B. W. Sweeney. 2000. Paired comparisons of effects of type of riparian vegetation on stream fishes: Implications for restoration. American Water Resources Association 197-202.
  25. **Hullar, M. A. J., L. A. Kaplan, and D. A. Stahl. 2006. Recurring seasonal dynamics of microbial communities in stream habitats. Applied and Environmental Microbiology 72:713-722. Request PDF.
  26. **Jackson, J. K. and L. Fureder. 2006. Long-term studies of freshwater macroinvertebrates: a review of the frequency, duration and ecological significance. Freshwater Biology 51:591-603. Request PDF.
  27. **Kaplan, L. A., A. K. Aufdenkampe, J. D. Newbold, and G. M. Hornberger. Hydrologic regulation of dissolved organic matter biogeochemistry from forests through river networks. NSF EAR 0450331.
  28. **Kaplan, L. A., T. L. Bott, J. K. Jackson, J. D. Newbold, and B. W. Sweeney. 2008. Protecting Headwaters: The scientific basis for safeguarding stream and river ecosystems. A research synthesis from the Stroud Water Research Center. Request PDF.
  29. *Kaplan, L. A., R. H. Findlay, J. D. Newbold, and P. H. Ostrom. The application of scaling rules to energy flow in stream ecosystems. NSF DEB-0109122.
  30. **Kaplan, L.A., S.Gill, A. K. Aufdenkampe, J.D. Newbold. Integrating the carbon and water cycles within an ecosystem esthetic approach to landscapes. NSF DRL 0917930.
  31. *Kaplan, L. A., D. A. Stahl, P. G. Hatcher, R. H. Findlay, M. A. Palmer. Dissolved organic matter biogeochemistry: Linking ecosystem processes, community structure, and microbial dynamics in streams. NSF DEB-9904047.
  32. *Kaplan, L. A., and J. D. Newbold. 2000. Surface and subsurface dissolved organic carbon, pp. 237-258. In: J. B. Jones and P. J. Mulholland (eds.), Streams and Ground Waters. Academic Press.
  33. *Kaplan, L. A., and J. D. Newbold. 2003. The role of monomers in stream ecosystem metabolism, pp. 97-119. In: S. E. G. Findlay and R. L. Sinsabaugh (eds.), Aquatic Ecosystems: Interactivity of Dissolved Organic Matter. Academic Press.
  34. **Kaplan, L. A., J.D. Newbold, R.H. Findlay, and P.H. Ostrom. The application of scaling rules to energy flow in stream ecosystems. NSF DEB 0516449.
  35. **Kaplan, L. A., T. N. Wiegner, J. D. Newbold, P. H. Ostrom, and H. Gandhi. 2008. Untangling the complex issue of dissolved organic carbon uptake: a stable isotope approach. Freshwater Biology 53:855-864. 101111/j.1365-2427.2007.01941x. Request PDF.
  36. ***Kaplan, L. A., R. L. Sleighter, R. M. Cory, and P. G. Hatcher. 2013. ASLO 2013 Aquatic Sciences Meeting. Coupled geochemical and biogeochemical characterization of dissolved organic matter from a headwater stream. New Orleans, Louisiana.
  37. **Kim, S., L. A. Kaplan, and P. G. Hatcher. 2006. Biodegradable dissolved organic matter in a temperate and a tropical stream determined from ultra-high resolution mass spectrometry. Limnology and Oceanography, 51:1054-1063. Request PDF.
  38. ***McLaughlin, Christine. 2012. The impact of terrestrial dissolved organic carbon on stream ecosystems through an investigation of hydrologic sources. A Dissertation in Biology Presented to the Faculties of the University of Pennsylvania in Partial Fulfillment of the Requirements for the Degree of Doctor of Philosophy.
  39. *McNair, J. N., and J. D. Newbold. 2001. Turbulent transport of suspended particles and suspended benthic organisms: the hitting-distance problem for the local exchange model. Journal of Theoretical Biology 209:351-369.
  40. ***Mei, Y., G. M. Hornberger, L. A. Kaplan, J. D. Newbold, and A. K. Aufdenkampe. 2012. Estimation of dissolved organic carbon contribution from hillslope soils to a headwater stream. Water Resources Research, 48(9), 1-17.
  41. *Meyer, J. L., L. A. Kaplan, J. D. Newbold, D. L. Strayer, C. J. Woltemade, J. B. Zedler, R. Beilfuss, Q. Carpenter, R. Semlitsch, M.C. Watzin, and P. H. Zedler. 2003. Where rivers are born: The scientific imperative for defending small streams and wetlands. Sierra Club and American Rivers. Request PDF.
  42. **Newbold, J.D., L. A. Kaplan, A. K. Aufdenkampe, and A. I.Packman. Seston contributions to metabolism across longitudinal ecosystems (SCALE) – Dynamics of organic particles in river networks. NSF DEB 0543526.
  43. *Packman, A. I., T. J. Battin, and J. D. Newbold. 2003. Coupling of hydrodynamical, biological, and geochemical processes in streambeds. Archives of Hydro-Engineering and Environmental Mechanics (AHEM) 50:107-123.
  44. **Richardson, D. C. 2008. Transport, sources, and quality of seston in a piedmont headwater stream. Ph.D. dissertation. University of Maryland.
  45. **Richardson, D. C., L. A. Kaplan, J. D. Newbold, and A. K. Aufdenkampe. 2009. Temporal dynamics of seston: A recurring nighttime peak and seasonal shifts in composition in a stream ecosystem. Limnology and Oceanography 54:344-354. Request PDF.
  46. ***Richardson, D.C., J.D. Newbold, A. K. Aufdenkampe, P. G. Taylor, and L. A. Kaplan. 2013. Measuring heterotrophic respiration rates of suspended particulate organic carbon from stream ecosystems. Limnology and Oceanography:Methods, x xx-xx.
  47. **Sparks, D., K.Yoo, A. K. Aufdenkampe, L. A. Kaplan, and J. Pizzuto. CZO: Spatial and temporal integration of carbon and mineral fluxes: a whole watershed approach to quantifying anthropogenic modification of critical zone carbon sequestration.Critical Zone Observatory. NSF EAR 0724971.
  48. *Standley, L. J., L. A. Kaplan, and D. Smith. 2000. Molecular tracers of organic matter sources to surface water resources. Environmental Science and Technology 34:3124-3130.
  49. **Sweeney, B. W. and J. G. Blaine. 2007. Resurrecting the in-stream side of riparian forests. Journal of Contemporary Water Research and Education 136: Journal of Contemporary Water Research and Education 136:17-27. Request PDF.
  50. **Sweeney, B. W., S. J. Czapka, and C. Petrow. 2007. How planting method, weed abatement, and herbivory affect afforestation success. Southern Journal of Applied Forestry 31:85-92. Request PDF.
  51. *Sweeney, B. W. and S. J. Czapka. 2004. Riparian forest restoration: why each site needs an ecological prescription. Forest Ecology and Management 192:361-373.
  52. *Sweeney, B. W., S. J. Czapka, and T. Yerkes. 2002. Riparian forest restoration: Increasing success by reducing plant competition and herbivory. Restoration Ecology 10 (2): 1 - 9. Request PDF.
  53. *Sweeney, B. W., T. L. Bott, J. K. Jackson, L. A. Kaplan, J. D. Newbold, L.J. Standley, W. C. Hession, and R. J. Horwitz. 2004. Riparian Deforestation, Stream Narrowing, and Loss of Stream Ecosystem Services. Proceedings of the National Academy of Sciences 101:14132-14137.
  54. ***Sweeney, B.W., Battle, J.M., Jackson, J. K., and Dapkey, T. 2011. Can DNA barcodes of stream macroinvertebrates improve descriptions of community structure and water quality? Journal of the North American Benthological Society, 30:195-216.
  55. *Thomas, S. A., J. D. Newbold, M. T. Monaghan, G. W. Minshall, T. Georgian, and C. E. Cushing. 2001. The influence of particle size on the deposition of seston in streams. Limnology and Oceanography 46:1425-1424.
  56. ***Tsang, Y.P., G. Hornberger, L. A. Kaplan, J. D. Newbold, and A. K. Aufdenkampe. 2013. A variable source area for groundwater evapotranspiration: impacts on modeling stream flow. Hydrological Processes, 27(10), xxxx-xxxx.
  57. *Wiegner, T. N., L. A. Kaplan, J. D. Newbold, and P. H. Ostrom. 2005. Synthesis of 13C-labeled tracer for stream DOC: Labeling tulip poplar carbon with 13CO2. Ecosystems 8:501-511. Request PDF.
  58. *Wiegner, T. N., L. A. Kaplan, J. D. Newbold, and P. H. Ostrom. 2005. Contribution of dissolved organic carbon to stream metabolism estimated with 13C-enriched tree tissue leachate. Journal North American Benthological Society 24:48-67. Request PDF.
  59. *Zinabu, G. M. and T. L. Bott. 2000. The effect of formalin and Lugol’s iodine solution on protozoal cell volume. Limnologica 30:59-63.