262
grading coastal watershed of Waquoit Bay, MA. Biogeochemistry 28:33-54; 1995.
LaMontagne, M.G.; Valiela, 1. Denitrification measured
by a direct N2 flux method in sediments of Waquoit
Bay, MA. Biogeochemistry 31:63-83; 1995.
Lepisto, A.; Andersson, L.; Arheimer, B.; Sundblad, K.
Influence of catchment characteristics, forestry activities and deposition on nitrogen export from small forested catchments. Water Air Soil Pollut. 84:81-102;
1995.
Lindberg, S.E.; Lovett, G.M.; Richter, D.D.; Johnson,
D.W. Atmospheric deposition and canopy interactions
of major ions in a forest. Science 231:141-145; 1986.
Likens, G.E. An experimental approach for the study of
ecosystems. J. Ecol. 73:381-396; 1985.
Likens, G.E.; Bormann, F.H. Biogeochemistry of a Forested Ecosystem. New York: Springer-Verlag; 1995.
Likens, G.E.; Bormann, F.H.; Pierce, R.S.; Eaton, J.S.;
Johnson, N.M. Biogeochemistry of a forested ecosystem. New York: Springer-Verlag; 1977.
Likens, G.E.; Bormann, F.H.; Pierce, R.S.; Reiners, w.A.
Recovery of a forested ecosystem. Science 199:492496; 1978.
Likens, G.E.; Driscoll, C.T.; Buso, D.C. Long-term effects of acid rain: response and recovery of a forest
ecosystem. Science 272:244-246; 1996.
Likens, G.; Driscoll, C.; Buso, D.; Siccama, T.; Johnson,
C.; Lovett, G.; Ryan, D.; Fahey T.; Reiners, W. The
biogeochemistry of potassium at Hubbard Brook. Biogeochemistry 25:61-125; 1994.
Lindberg, S.E.; Lovett, G.M.; Richter, D.D.; Johnson,
D.W. Atmospheric deposition and canopy interactions
of major ions in a forest. Science 231:141-145; 1986.
Litaor, M.1. Review of soil solution samplers. Water Resourc. Res. 1988:727-733; 1988.
Lovett, G.M.; Bowser, J.J.; Edgerton, E.S. Atmospheric
deposition to watersheds in complex terrain. Hydrol.
Process. 11:645--654; 1997.
Lovett, G.M.; Likens, G.E.; Nolan, S.S. Dry deposition
of sulfur to the Hubbard Brook Experimental Forest:
A preliminary comparison of methods. In: Swarz,
S.E.; Slinn, W.G.N., eds. Precipitation Scavenging
and Atmosphere-Suiface Exchange. Washington, DC:
Hemisphere; 1992: 1391-1402.
Lovett, G.M.; Lindberg, S.E. Atmospheric deposition
and canopy interactions of nitrogen in forests. Can. J.
For. Res. 23:1603-1616; 1993.
Lovett, G.M.; Nolan, S.S.; Driscoll, C.T.; Fahey, TJ. Factors regulating throughfall flux in a New Hampshire
forested landscape. Can. J. For. Res. 26:2134-2144;
1996.
Magill, A.H.; Aber, J.D.; Hendricks, J.J.; Bowden, RD.;
Melillo, J.M.; Steudler, P.A. Biogeochemical response
of forest ecosystems to simulated chronic nitrogen
deposition. Ecol. Applic. 7:402-415; 1997.
Kate Lajtha
Marques, R.; Ranger, J.; Gelhaye, D.; Pollier, B.; Ponette,
Q.; Goedert, O. Comparison of chemical composition
of soil solutions collected by zero-tension plate lysimeters with those from ceramic-cup lysimeters in a
forest soil. Eur. J. Soil Sci. 47:407-417; 1996.
McDowell, W.H.; Lugo, A.E.; James, A. Export of nutrients and major ions from Caribbean catchments. J.
North Am. Benthol. Soc. 14:12-20; 1995.
Mead, D J.; Pritchett, w.L. Fertilizer movement in a slash
pine ecosystem. 1. Uptake of Nand P and N movement
in the soil. Plant Soil 43:451-465; 1975.
Miller, W.R; Drever, J.1. Chemical weathering and related controls on surface water chemistry in the Absaroka Mountains, Wyoming. Geochim. Cosmochim.
Acta 41:1693-1702; 1977.
Mitchell, M.J.; Burke, M.K.; Shepard, J.P. Seasonal and
spatial patterns of S, Ca, and N dynamics of a northern
hardwood forest ecosystem. Biogeochemistry 17: 165189; 1992.
Mitchell, MJ.; Driscoll, C.T.; Kahl, J.S.; Likens, G.E.;
Murdoch, P.S.; Pardo, L.H. Climatic control of nitrate
loss from forested watersheds in the northeast United
States. Environ. Sci. Technol. 30:2609-2612; 1996.
Murdoch, P.S.; Stoddard, J.L. The role of nitrate in the
acidification of streams in the Catskill Mountains of
New York. Water Resourc. Res. 28:2707-2720; 1992.
Nadelhoffer, KJ.; Downs, M.R.; Fry, B. Sinks for 15N_
enriched additions to an oak forest and a red pine plantation. Ecol. Applic. 9:72-86; 1999a.
Nadelhoffer, KJ.; Downs, M.R.; Fry, B.; Aber, lD.; Magill, A.H.; Melillo, J.M. The fate of 15N-labelled nitrate additions to a northern hardwood forest in eastern
Maine, USA. Oecologia 103:292-301; 1995.
Nadelhoffer, KJ.; Downs, M.R; Fry, B.; Magill, A.;
Aber, J. D Controls on N retention and exports in a
fertilized watershed. Environ. Monitor. Assess.
55(1):187-210; 1999b.
Nielsen, T.H.; Well, R; Myrold, D.D. Combination
probe for nitrogen-15 soil labeling and sampling of
soil atmosphere to measure subsurface denitrification
activity. Soil Sci. Soc. Am. J. 61:802; 1997.
Nodvin, S.c.; Van Miegroet, H.; Lindberg, S.E.; Nicholas, N.S.; Johnson, D.W. Acidic deposition, ecosystem
processes, and nitrogen saturation in a high elevation
southern Appalachian watershed. Water Air Soil Pollut. 85:1647-1652; 1995.
Pardo, L.H.; Driscoll, c.T.; Likens, G.E. Patterns of nitrate loss from a chronosequence of clear-cut watersheds. Water Air Soil Po11ut. 85:1659-1664; 1995.
Parkin, T.B. Soil microsites as a source of denitrification
variability. Soil Sci. Soc. Am. l 51:1194-1199; 1987.
Preston, C.M.; Mead, DJ. Long-term recovery in the soil
profile of lsN from Douglas-fir needles decomposing
in the forest floor. Can. J. For. Res. 25:833-837; 1995.
grading coastal watershed of Waquoit Bay, MA. Biogeochemistry 28:33-54; 1995.
LaMontagne, M.G.; Valiela, 1. Denitrification measured
by a direct N2 flux method in sediments of Waquoit
Bay, MA. Biogeochemistry 31:63-83; 1995.
Lepisto, A.; Andersson, L.; Arheimer, B.; Sundblad, K.
Influence of catchment characteristics, forestry activities and deposition on nitrogen export from small forested catchments. Water Air Soil Pollut. 84:81-102;
1995.
Lindberg, S.E.; Lovett, G.M.; Richter, D.D.; Johnson,
D.W. Atmospheric deposition and canopy interactions
of major ions in a forest. Science 231:141-145; 1986.
Likens, G.E. An experimental approach for the study of
ecosystems. J. Ecol. 73:381-396; 1985.
Likens, G.E.; Bormann, F.H. Biogeochemistry of a Forested Ecosystem. New York: Springer-Verlag; 1995.
Likens, G.E.; Bormann, F.H.; Pierce, R.S.; Eaton, J.S.;
Johnson, N.M. Biogeochemistry of a forested ecosystem. New York: Springer-Verlag; 1977.
Likens, G.E.; Bormann, F.H.; Pierce, R.S.; Reiners, w.A.
Recovery of a forested ecosystem. Science 199:492496; 1978.
Likens, G.E.; Driscoll, C.T.; Buso, D.C. Long-term effects of acid rain: response and recovery of a forest
ecosystem. Science 272:244-246; 1996.
Likens, G.; Driscoll, C.; Buso, D.; Siccama, T.; Johnson,
C.; Lovett, G.; Ryan, D.; Fahey T.; Reiners, W. The
biogeochemistry of potassium at Hubbard Brook. Biogeochemistry 25:61-125; 1994.
Lindberg, S.E.; Lovett, G.M.; Richter, D.D.; Johnson,
D.W. Atmospheric deposition and canopy interactions
of major ions in a forest. Science 231:141-145; 1986.
Litaor, M.1. Review of soil solution samplers. Water Resourc. Res. 1988:727-733; 1988.
Lovett, G.M.; Bowser, J.J.; Edgerton, E.S. Atmospheric
deposition to watersheds in complex terrain. Hydrol.
Process. 11:645--654; 1997.
Lovett, G.M.; Likens, G.E.; Nolan, S.S. Dry deposition
of sulfur to the Hubbard Brook Experimental Forest:
A preliminary comparison of methods. In: Swarz,
S.E.; Slinn, W.G.N., eds. Precipitation Scavenging
and Atmosphere-Suiface Exchange. Washington, DC:
Hemisphere; 1992: 1391-1402.
Lovett, G.M.; Lindberg, S.E. Atmospheric deposition
and canopy interactions of nitrogen in forests. Can. J.
For. Res. 23:1603-1616; 1993.
Lovett, G.M.; Nolan, S.S.; Driscoll, C.T.; Fahey, TJ. Factors regulating throughfall flux in a New Hampshire
forested landscape. Can. J. For. Res. 26:2134-2144;
1996.
Magill, A.H.; Aber, J.D.; Hendricks, J.J.; Bowden, RD.;
Melillo, J.M.; Steudler, P.A. Biogeochemical response
of forest ecosystems to simulated chronic nitrogen
deposition. Ecol. Applic. 7:402-415; 1997.
Kate Lajtha
Marques, R.; Ranger, J.; Gelhaye, D.; Pollier, B.; Ponette,
Q.; Goedert, O. Comparison of chemical composition
of soil solutions collected by zero-tension plate lysimeters with those from ceramic-cup lysimeters in a
forest soil. Eur. J. Soil Sci. 47:407-417; 1996.
McDowell, W.H.; Lugo, A.E.; James, A. Export of nutrients and major ions from Caribbean catchments. J.
North Am. Benthol. Soc. 14:12-20; 1995.
Mead, D J.; Pritchett, w.L. Fertilizer movement in a slash
pine ecosystem. 1. Uptake of Nand P and N movement
in the soil. Plant Soil 43:451-465; 1975.
Miller, W.R; Drever, J.1. Chemical weathering and related controls on surface water chemistry in the Absaroka Mountains, Wyoming. Geochim. Cosmochim.
Acta 41:1693-1702; 1977.
Mitchell, M.J.; Burke, M.K.; Shepard, J.P. Seasonal and
spatial patterns of S, Ca, and N dynamics of a northern
hardwood forest ecosystem. Biogeochemistry 17: 165189; 1992.
Mitchell, MJ.; Driscoll, C.T.; Kahl, J.S.; Likens, G.E.;
Murdoch, P.S.; Pardo, L.H. Climatic control of nitrate
loss from forested watersheds in the northeast United
States. Environ. Sci. Technol. 30:2609-2612; 1996.
Murdoch, P.S.; Stoddard, J.L. The role of nitrate in the
acidification of streams in the Catskill Mountains of
New York. Water Resourc. Res. 28:2707-2720; 1992.
Nadelhoffer, KJ.; Downs, M.R.; Fry, B. Sinks for 15N_
enriched additions to an oak forest and a red pine plantation. Ecol. Applic. 9:72-86; 1999a.
Nadelhoffer, KJ.; Downs, M.R.; Fry, B.; Aber, lD.; Magill, A.H.; Melillo, J.M. The fate of 15N-labelled nitrate additions to a northern hardwood forest in eastern
Maine, USA. Oecologia 103:292-301; 1995.
Nadelhoffer, KJ.; Downs, M.R; Fry, B.; Magill, A.;
Aber, J. D Controls on N retention and exports in a
fertilized watershed. Environ. Monitor. Assess.
55(1):187-210; 1999b.
Nielsen, T.H.; Well, R; Myrold, D.D. Combination
probe for nitrogen-15 soil labeling and sampling of
soil atmosphere to measure subsurface denitrification
activity. Soil Sci. Soc. Am. J. 61:802; 1997.
Nodvin, S.c.; Van Miegroet, H.; Lindberg, S.E.; Nicholas, N.S.; Johnson, D.W. Acidic deposition, ecosystem
processes, and nitrogen saturation in a high elevation
southern Appalachian watershed. Water Air Soil Pollut. 85:1647-1652; 1995.
Pardo, L.H.; Driscoll, c.T.; Likens, G.E. Patterns of nitrate loss from a chronosequence of clear-cut watersheds. Water Air Soil Po11ut. 85:1659-1664; 1995.
Parkin, T.B. Soil microsites as a source of denitrification
variability. Soil Sci. Soc. Am. l 51:1194-1199; 1987.
Preston, C.M.; Mead, DJ. Long-term recovery in the soil
profile of lsN from Douglas-fir needles decomposing
in the forest floor. Can. J. For. Res. 25:833-837; 1995.