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Fahey, Timothy James
Cornell Faculty Member
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As a forest ecologist, my general scientific interest is in better understanding forest ecosystems, both tropical and temperate. I also serve as the Advising Coordinator for the undergraduate programs in Natural Resources and the Science of Natural and Environmental Systems.
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Affiliations
other Cornell affiliations
member of
- David R. Atkinson Center for a Sustainable Future (ACSF) Faculty Fellow
Research
research overview
- My current research is focused on forest soil carbon, nitrogen and phosphorus dynamics, tropical montane forest ecosystems and dynamics of forest soils invaded by exotic earthworms.
research activities
principal investigator on
co-principal investigator on
area(s) of concentration/expertise
other area(s) of concentration/expertise
- biogeochemistry
keywords
- conservation
- ecology
- forest
- nutrient cycling
- soil
geographic focus
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country
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domestic geographical region
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new york state geographical region
submitted impact statement
Publications
individual publications
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academic article
- Demography, biomass and productivity of a northern hardwood forest on the Allegheny Plateau. . J. Torrey Botanical Society. 2013
- Root dynamics of Carex stricta-dominated tussock meadows. . Plant and Soil. 364:325-339. 2013
- Bank erosion in fifteen tributaries in the glaciated upper Susquehanna Basin of New York and Pennsylvania . Physical Geography. 33:229-251. 2012
- Earthworms, litter and soil carbon in a northern hardwood forest. Biogeochemistry. 2012
- Effects of three years of regrowth inhibition on the resilience of a clear-cut northern hardwood forest . Ecosystems. 2012
- Exotic earthworm distributions did not expand over a decade in a hardwood forest in New York State. Applied Soil Ecology. 62:124-130. 2012
- Fine root turnover in sugar maple estimated by 13C isotope dilution . Canadian Journal of Forest Research. 2012
- Local-scale carbon budgets and mitigation opportunities for the northeastern United States.. BioScience. 62:23-38. 2012
- Long-Term Integrated Studies Show Complex and Surprising Effects of Climate Change in the Northern Hardwood Forest. . BioScience. 62:1056-1066. 2012
- Long-term integrated studies show complex and surprising effects of climate change in the northern hardwood forest.. BioScience. 61:1056-1066. 2012
- Nitrogen Translocation to Fresh Litter in Northern Hardwood Forest. . Ecosystems. 2012
- Partitioning of below ground C in young sugar maple forest. Plant and Soil. 2012
- Past, present and future roles of long-term experiments in the LTER network. . BioScience. 62:377-389. 2012
- Patterns of growth, recruitment, mortality and biomass across an altitudinal gradient in a neotropical montane forest, Dominican Republic. . Journal of Tropical Ecology. 28:1-13. 2012
- Root morphology and architecture respond to N addition in Pinus tabuliformis, west China. . Oecologia. 2012
- Watershed-Level Responses to Calcium Silicate Treatment in a Northern Hardwood Forest. . Ecosystems. 15:416-434. 2012
- Accumulation of Carbon and Nitrogen in Residential Soils with Different Land Use Histories.. Ecosystems. 14:287-297. 2011
- Are cloud forest tree structure and environment related in the Venezuelan Andes?. Austral Ecology. 36:280-289. 2011
- Denitrification in suburban lawn soils. . Journal of Environmental Quality. 40:1932-1940. 2011
- Dynamics of oxidized and reduced iron in a northern hardwood forest. . Biogeochemistry. 104:103-119. 2011
- Earthworms increase the ratio of bacteria to fungi in northern hardwood forest soils, primarily by eliminating the organic horizon. . Biology and Biochemistry. 43:2135-2141. 2011
- Effects of exotic earthworms on bacterial and fungal abundance in northern hardwood forest, central New York, USA.. Soil Biology and Biochemistry. 43:2135-2141. 2011
- Influence of invasive earthworms on above and belowground vegetation in a northern hardwood forest.. American Midland Naturalist. 166:53-62. 2011
- Links between biomass and tree demography in a northern hardwood forest: A decade of stability and change in Hubbard Brook Valley, New Hampshire. . Canadian Journal of Forest Research. 41:898-901. 2011
- Litter layers (Oie) as a calcium source of sugar maple seedlings in a northern hardwood forest. . Canadian Journal of Forest Research. 41:898-901. 2011
- Local-scale Carbon Budgets and Mitigation Opportunities for the Northeastern United States.. BioScience. 61:23-38. 2011
- Nitrate production and availability in residential soils.. Ecological Applications. 21:2357-2366. 2011
- Regeneration ecology of sugar maple (Acer saccharum Marsh.): seedling survival in relation to nutrition, site factors and damage by insects and pathogens. Canadian Journal of Forest Research. 41:235-244. 2011
- Rhizosphere disturbance influences fungal colonization and community development on dead fine roots. Plant and Soil. 341:279-293. 2011
- Transport of carbon and nitrogen between litter and soil organic matter in a northern hardwood forest. Ecosystems. 14:326-340. 2011
- Vegetation Zonation in a Neotropical Montane Forest: Environment, Disturbance and Ecotones. Biotropica. 43:533-543. 2011
- A simulation model of earthworm the impacts of invasive earthworm on soil carbon dynamics. Ecological Modeling. 221. 2010
- Carbon resources, soil organisms, and nitrogen availability: Landscape patterns in a northern hardwood forest. Forest Ecology and Management. 260:1175-1183. 2010
- Effects of nitrogen addition on vegetation and ecosystem carbon in a semi-arid grassland. Biogeochemistry. 98:185-193. 2010
- Forest Carbon Storage: Ecology, Management and Policy. Frontiers in Ecology and the Environment. 5:245-252. 2010
- Key nitrogen cycling processes in pine plantations along a short urban-rural gradient in Nanchang, China. Forest Ecology and Management. 259:477-486. 2010
- Nitrogen aboveground turnover and soil stocks to 8 m depth in primary and disturbed forest following selective logging in southern Amazonia. Global Change Biology. 16. 2010
- Organic carbon in soil physical fractions under different-aged plantations of Mongolian pine in semiarid region of Northeast China. Applied Soil Ecology. 44:42-48. 2010
- Response of leaf anatomy of Chenopodium acuminatum to soil resource availability in a semi-arid grassland. Plant Ecology. 209:375-382. 2010
- Snow depth, soil freezing and nitrogen cycling in a northern hardwood forest landscape. Biogeochemistry. 102:223-238. 2010
- Changes in soil nitrogen availability due to stand development and management practices on semi-arid sandy lands in northern China.. Land Degradation and Development. 20:481-491. 2009
- Climate variation and soil carbon and nitrogen cycling processes in a northern hardwood forest.. Ecosystems. 12. 2009
- Nitrogen aboveground turnover and soil stocks to 8 m depth in primary and disturbed forest following selective logging in southern Amazonia.. Global Change Biology. doi: 10.1111/j.1365-2486.2009.02068.x:1365-2486. 2009
- Patterns of late-season photosynthate movement in sugar maple (Acer saccharum Marsh) saplings.. Canadian Journal of Forest Research. 39:2294-2298. 2009
- Bryophyte response to eastern hemlock decline caused by hemlock woolly adelgid infestation.. The Journal of the Torrey Botanical Society. 135:12-25. 2008
- Effects of soil freezing on fine roots in a northern hardwood forest.. Canadian Journal of Forest Research. 38:82-91. 2008
- Fine root heterogeneity by branch order: exploring the discrepancy in root turnover estimates between minirhizotron and carbon isotopic methods. New Phytologist. 177:443-446. 2008
- Fire and vegetation dynamics in high-elevation neotropical montane forests of the Dominican Republic.. Ambio. 37:535-541. 2008
- Growth and survivorship of American beech (Fagus grandifolia Ehrh.) seedlings in a northern hardwood forest following a mast event.. The Journal of the Torrey Botanical Society. 135:328-345. 2008
- Identifying roots of northern hardwood species: patterns with diameter and depth.. Canadian Journal of Forest Research. 38:2862-2869. 2008
- Nitrogen retention in urban lawns and forests.. Ecological Applications. 18:1615-1626. 2008
- The influence of soil fertility on rhizosphere effects in northern hardwood forest soils.. Soil Science Society of America Journal. 72:453-461. 2008
- Approaches for analyzing local carbon mitigation strategies: Tompkins County, New York, USA. International Journal of Greenhouse Gas Control. 12:360-373. 2007
- Dynamics of nitrogen and dissolved organic carbon at the Hubbard Brook Experimental Forest. Ecology. 88:1153-1166. 2007
- Fertilization effects on fineroot biomass, rhizosphere microbes and respiratory fluxes in hardwood forest soils. New Phytologist. 176:655-664. 2007
- Local-scale analysis of carbon mitigation strategies: Tompkins County, New York, USA. Energy Policy. 35. 2007
- Mercury cycling in litter and soil in different forest types in the Adirondack Region, New York, USA. Ecological Applications. 17:1341-1351. 2007
- Mercury cycling in litter and soil in different forest types in the Adirondack region, New York, USA. Ecological Applications. 17:1341-1351. 2007
- Population and Biomass Dynamics of Trees in a Northern Hardwood Forest at Hubbard Brook. Canadian Journal of Forest Restoration. 37:737-749. 2007
- The role of water availability in seasonal growth of Bazzania trilobata on boulders in an eastern hemlock stand. The Bryologist. 110:295-308. 2007
- Tropical montane forest ecotones: climate gradients, natural disturbance, and vegetation zonation in the Cordillera Central, Dominican Republic. Journal of Biogeography. 34:1792-1806. 2007
- Variations in sediment sources and yields in the Finger Lakes and Catskills regions of New York. Hydrological Processes. 21:828-838. 2007
- Exploring patterns of exotic earthworm distribution in a temperate hardwood forest in south-central New York, USA. Landscape Ecology. 21:297-306. 2006
- Fire history along environmental gradients in subtropical pine forests of the Cordillera Central, Dominican Republic. Journal of Tropical Ecology. 16:154-165. 2006
- Landscape variation in microarthropod response to calcium addition in a northern hardwood forest. Pedobiologia. 50:69-78. 2006
- Patterns of litter disappearance in a northern hardwood forest invaded by exotic earthworms. Ecological Applications. 16:154-166. 2006
- Response of sugar maple to calcium addition to northern hardwood forest at Hubbard Brook, NH. Ecology. 87:1267-1280. 2006
- Snow depth, soil freezing, and fluxes of carbon dioxide, nitrous oxide and methane in a northern hardwood forest. Global Change Biology. 12:1748-1760. 2006
- Solutes and soil in and around an in-stream wetland on the Hubbard Brook Experimental Forest, New Hampshire, USA. Wetlands. 26:376-384. 2006
- Spatial and temporal dynamics of exotic earthworm communities along invasion fronts in a temperate hardwood forest in South-Central New York (USA). Biological Invasions. 00:1-12. 2006
- The relative uptake of Ca and Sr into tree foliage using a whole-watershed calcium addition. Biogeochemistry. 80:21-41. 2006
- Tree species and mycorrhizal associations influence the magnitude of rhizosphere effects. Ecology. 87:1302-1313. 2006
- Vegetation dynamics in declining eastern hemlock stands: 9 years of forest response to hemlock wooly adelgid infestation. Canadian Journal of Forest Research. 36:1435-1450. 2006
- An in situ Approach for Measuring Root-Associated Respiration and Nitrate Uptake of Forest Trees. Plant and Soil. 272:125-131. 2005
- Patterns of rhizosphere carbon flux in sugar maple (Acer saccharum) and yellow birch (Betula allegheniensis) saplings. Global Change Biology. 11:983-995. 2005
- Phosphorus concentrations in overland flow from diverse locations on a New York dairy farm. Journal of Environmental Quality. 34:1224-1233. 2005
- Soil Respiration and Soil Carbon Balance in a Northern Hardwood Forest Ecosystem. Canadian Journal of Forest Reservation. 35:244-253. 2005
- The Biogeochemistry of Carbon at Hubbard Brook. Biogeochemistry. 75:109-176. 2005
- Vegetation-environment relationships in forest ecosystems of the Cordillera Central, Dominican Republic. Botanical Society. 132:293-310. 2005
- Comparing direct and indirect methods of assessing canopy structure in a northern hardwood forest. Canadian Journal of Forest Reservation. 34:584-591. 2004
- Earthworm invasion, fine- root distributions, and soil respiration in north temperate forests. Ecosystems. 7:55-62. 2004
- Ecosystem consequences of exotic earthworm invasion of north temperate forests. Ecosystems. 7:1-12. 2004
- Effects of exotic earthworms on soil phosphorus cycling in two broadleaf temperate forests. Ecosystems. 7:28-44. 2004
- Exotic earthworm invasion and microbial biomass in temperate forest soils. Ecosystems. 7:45-54. 2004
- Forty years of tropical forest recovery from agriculture: structure and floristics of secondary and old-growth riparian forests in the Dominican Republic. Biotropica. 36:297-317. 2004
- Influence of earthworm invasion on redistribution and retention of soil carbon and nitrogen in northern temperate forests. Ecosystems. 7:28-44. 2004
- Nor Gloom of Night: A New Conceptual Model for the Hubbard Brook Ecosystem Study. BioScience. 54:139-148. 2004
- Community and population dynamics of spruce-fir forests on Whiteface Mountain, New York: Recent trends, 1985-2000. Canadian Journal of Forest Research. 33:54-63. 2003
- Environmental control of fine root dynamics in a northern hardwood forest. Global Change Biology. 9:670-679. 2003
- Factors controlling spatial variation of tree species abundance in a forested landscape. Ecology. 84:1862-1878. 2003
- Influence of non-native earthworms on mycorrhizal colonization of sugar maple (Acer saccharum). New Phytologist. 157:145-153. 2003
- Initial responses of phosphorus biogeochemistry to calcium addition in a northern hardwood forest ecosystem. Canadian Journal of Forest Research. 33:1864-1873. 2003
- Nitrogen dynamics in ice storm-damaged forest ecosystems Implications for nitrogen limitation theory. Ecosystems. 6:431-443. 2003
- Soil freezing and the acid-base chemistry of soil solutions in a northern hardwood forest. Soil Science Society of America Journal. 67:1897-1908. 2003
- Spatial patterns of biomass and aboveground net primary productivity in a mangrove ecosystems in the Dominican Republic. Ecosystems. 6:384-398. 2003
- Belowground ectomycorrhizal fungal community change over a nitrogen deposition gradient in Alaska. Ecology. 83:104-115. 2002
- Ectomycorrhizal fungal taxa differing in response to N deposition also differ in pure culture organic N use and natural abundance N isotopes. New Phytologist. 154:219-231. 2002
- Effects of a large ice storm on the structure of a northern hardwood forest. Canadian Journal of Forest Research. 32:1763-1775. 2002
- Fine root turnover in a northern hardwood forest: a direct comparison of the radiocarbon and minirhizotron methods. Canadian Journal of Forest Research Rapid Communication. 32:1692-1697. 2002
- Influence of earthworm invasion on soil microbial biomass and activity in a northern hardwood forest. Soil Biology and Biochemistry. 34:1929-1937. 2002
- Linking community and national park development: A case study from the Dominican Republic. Nat. Res. Forum. 26:140-149. 2002
- Mycorrhizal weathering of apatite as an important calcium source in base-poor forest ecosystems. Nature. 417:729-731. 2002
- Response of the natural abundance of 15N in forest soils and foliage to high nitrate loss following clear-cutting. Canadian Journal of Forest Research. 32:1126-1136. 2002
- Colder soils in a warmer world: A snow manipulation study in a northern hardwood forest ecosystem. Biogeochemistry. 56:135-150. 2001
- Ectomycorrhizal fungal aboveground community change over an atmospheric nitrogen deposition gradient. Ecological Applications. 11:397-410. 2001
- Effects of mild winter freezing on soil nitrogen and carbon dynamics in a northern hardwood forest. Biogeochemistry. 56:191-213. 2001
- Effects of soil freezing disturbance on soil solution nitrogen, phosphorus, and carbon chemistry in a northern hardwood ecosystem. Biogeochemistry. 56:215-238. 2001
- Evaluating minirhizotron estimates of fine root dynamics in a northern hardwood forest. Plant and Soil. 229:167-176. 2001
- Hurricane impacts on a mangrove forest in the Dominican Republic: Damage patterns and early recovery. Biotropica. 33:393-408. 2001
- Microbial biomass and nitrogen cycling responses to fertilization and litter removal in young northern hardwood forests. Biogeochemistry. 53:201-223. 2001
- Plant-soil-microbial interactions in a northern montane hardwood forest. Ecology. 82:965-978. 2001
- Snow depth manipulation and its influence on soil frost and water dynamics in a northern hardwood forest. Biogeochemistry. 56:151-174. 2001
- Soil freezing alters fine root dynamics in a northern hardwood forest. Biogeochemistry. 56:175-190. 2001
- Structure and composition of three northern hardwood-conifer forests with differing disturbance histories. Forest Ecology and Management. 144:201-212. 2001
- Changes in streamwater chemistry after 20 years from forested watersheds in New Hampshire, USA. Canadian Journal of Forest Research. 30:1206-1213. 2000
- Gap dynamics following forest decline: A case study of red spruce forests. Ecological Applications. 10:760-774. 2000
- Patterns of leaf mass, area and nitrogen in young northern hardwood forests. Ecology. 144:253-264. 2000
- Small-scale disturbance and regeneration dynamics in a neotropical mangrove forest. Journal of Ecology. 88:165-178. 2000
- The use of cesium-137 to estimate agricultural erosion in steep slopes in a tropical watershed. Hydrological Processes. 14:957-969. 2000
- Effects of rainfall acidity and ozone on canopy leaching in red spruce (Picea rubens Sarg.). Canadian Journal of Forest Research. 29:487-496. 1999
- Nitrogen Deposition In and Around an Intensive Agricultural District in Central New York. Journal of Environmental Quality. 28:1585-1600. 1999
- Radial growth trends of sugar maple (Acer saccharum) in an Allegheny northern hardwood forest affected by beech bark disease. Journal Torrey Botanical Society. 126:245-254. 1999
- Snow Depth, soil frost and nutrient loss in a northern hardwood forest. Hydrological Processes. 13:2275-2286. 1999
- The management of sedimentation in tropical watersheds. Environ. Management. 23:441-452. 1999
- Recent changes in an upland forest in south-central New York. Journal of the Torrey Botanical Society. 125:51-59. 1998
- Response of early successional northern hardwood forests to changes in nutrient availability. Ecological Monographs. 68. 1998
- Soil seed bank dynamics of pin cherry in northern hardwood forest, New Hampshire, USA. Canadian Journal of Forest Research. 28:1471-1480. 1998
- Soil-plant interactions in a neotropical mangrove forest: iron, phosphorus and sulfur dynamics. Oecologia. 115:553-563. 1998
- The biogeochemistry of calcium at Hubbard Brook. Biogeochemistry. 41:89-173. 1998
- The effects of acid precipitation and ozone on the ectomycorrhizae of red spruce saplings. Water, Air, and Soil Pollution. 103:263-276. 1998
- Seasonal air and soil temperature effects on photosynthesis in red spruce (Picea rubens) saplings. Tree Physiology. 17:187-194. 1997
- Sprouting and layering of striped maple (Acer pensylvanicum L.) in hardwood forests in central NY. Journal Torrey Botanical Society. 124:246-253. 1997
- Factors regulating throughfall flux in a forested landscape. Canadian Journal of Forest Research. 26:2134-2144. 1996
- Line intersect sampling of forest gaps. Forest Science. 42:131-138. 1996
- Peat and solution chemistry responses to CaCO3 application in wetlands next to Woods Lake New York. Biogeochemistry. 32:245-263. 1996
- Spatial patterning in the canopy gap regime of a subalpine Abies-Picea forest. Journal of Vegetation Science. 6:807-814. 1996
- Spruce decline as a disturbance event in the subalpine forest of the northeastern United States. Canadian Journal of Forest Research. 26:408-421. 1996
- The Experimental Watershed Liming Study: comparison of lake/watershed base neutralization strategies. Biogeochemistry. 32:143-174. 1996
- Watershed liming effects on the forest floor N cycle. Biogeochemistry. 32:221-244. 1996
- Methane and carbon dioxide dynamics of a northern hardwood ecosystem. Soil Science Society of America Journal. 59:796-804. 1995
- Beaver impoundments in temperate forests as sources of atmospheric CO2. Geophysical Research Letters. 21:995-998. 1994
- Fifty years of change in an upland forest in south-central New York: general patterns. Bull. Torrey Bot. Club. 121:130-139. 1994
- Fifty-three years of change in an upland forest in south-central New York: growth, mortality and recruitment. Bull. Torrey Bot. Club. 121:140-147. 1994
- Fine root dynamics in a northern hardwood forest ecosystem at Hubbard Brook Experimental Forest, NH. Journal of Ecology. 82:533-548. 1994
- Further studies of root decomposition following harvest of a northern hardwood forest. Forest Science. 40:618-629. 1994
- Litterfall dynamics and ecosystem recovery during forest development. Forest Ecology and Management. 63:181-198. 1994
- The biogeochemistry of potassium at Hubbard Brook. Biogeochemistry. 25:61-125. 1994
- The effects of acid deposition on the biogeochemical cycles of major nutrients in model red spruce ecosystems. Biogeochemistry. 24:85-114. 1994
- Controls on soil solution chemistry in a subalpine forest in north-central Colorado. Soil Science Society of America Journal. 57:1122-1130. 1993
- Crown architecture of stand grown sugar maple (Acer saccharum Marsh.) in the Adirondack Mountains. Tree Physiol.. 13:297-310. 1993
- Dead bole mass and nutrients remaining 23 years after clear-felling of a northern hardwood forest. Canadian Journal of Forest Research. 23:1298-1305. 1993
- Effect of site characteristics and initial densities on forest development in a northern hardwood forest. Canadian Journal of Forest Research. 22:1860-1868. 1993
- Effects of soil disturbance on vegetation recovery and nutrient accumulation following whole-tree harvest of a northern hardwood ecosystem on W5, Hubbard Brook Experimental Forest. Journal of Applied Ecology. 30:661-675. 1993
- Methane fluxes in a northern hardwood forest ecosystem in relation to acid precipitation. Chemosphere. 26:721-730. 1993
- REGROW: a computer model to simulate successional processes in disturbed northern hardwood forest. Journal of Applied Ecology. 30:676-688. 1993
- Throughfall chemistry in an Engelmann spruce-subalpine fir forest in north-central Colorado. Canadian Journal of Forest Research. 23:738-742. 1993
- Biomass and nutrients in an Engelmann spruce-subalpine fir forest in north central Colorado: pools, annual production and internal cycling. Canadian Journal of Forest Research. 22:315-325. 1992
- Methane fluxes, concentrations, and production in two Adirondack beaver impoundments. Limnology and Oceanography. 37:1057-1066. 1992
- Mycorrhizae and forest ecosystems. Mycorrhizae. 1:83-89. 1992
- Colonization dynamics of herbs and shrubs in a disturbed northern hardwood forest. Journal of Ecology. 79:605-616. 1991
- Decomposition and nutrient release from logging residue following conventional harvest of Sitka spruce in North Wales. Forestry. 64:289-301. 1991
- Nutrient accumulation in vegetation following conventional and whole-tree harvest of Sitka spruce plantations in North Wales. Forestry. 64:271-288. 1991
- Solute concentrations and fluxes of major nutrients in potted red spruce saplings exposed to simulated acid rain treatments. Water, Air, and Soil Pollution. 54:155-168. 1991
- Availability, quality and selection of browse by white-tailed deer after clearcutting. Forest Science. 37:261-270. 1990
- Mass and nutrient content of decaying boles in an Englemann spruce-subalpine fir forest, Rocky Mountain National Park, Colorado. Canadian Journal of Forest Research. 20:730-737. 1990
- Nitrification potential in the organic horizons following clearfelling of northern hardwood forests. Soil Biology and Biochemistry. 22:277-279. 1990
- A better seed and litter trap. Can. J. For. Res.. 17:1623-1624. 1988
- Population persistence and demographics of a woodland herb, Aster acuminatus. American Journal of Botany. 75:1057-1064. 1988
- Precipitation and throughfall chemistry in Pinus contorta spp. latifolia ecosystems, southeastern Wyoming. Canadian Journal of Forest Research. 18:337-345. 1988
- Root decomposition and nutrient flux following whole-tree harvest of northern hardwood forest. Forest Science. 34:744-768. 1988
- Seed dispersal and colonization in a disturbed northern hardwood forest. Bull. Torrey Bot. Club. 115:89-99. 1988
- Soil hydrology in lodgepole pine ecosystems, southeastern Wyoming. Soil Science Society of America Journal. 52:844-848. 1988
- Soil solution chemistry in lodgepole pine (Pinus contorta ssp. latifolia) ecosystems, southeastern Wyoming, USA. Biogeochemistry. 6:91-118. 1988
- Studies of the Hubbard Brook Ecosystem and its watershed-5 (in Chinese). Acta Phytoecol. Geobot. Sinica. 12:237-244. 1988
- Interactions of carbon, nitrogen, phosphorus and sulfur in forest ecosystems. Biogeochemistry. 3:465-490. 1987
- Net ecosystem production and nutrient accumulation during stand development in Wyoming lodgepole pine forests. Ecology. 68:1966-1973. 1987
- Subalpine heathlands of the Mahoosuc Range, Maine. Bull. Torrey Bot. Club. 114:429-436. 1987
- Litter decay and leaching from the forest floor in Pinus contorta (Lodgepole pine) ecosystems. Journal of Ecology. 74:525-545. 1986
- Lodgepole pine ecosystems. BioScience. 36:610-617. 1986
- Vegetation environment relationships in a mixed conifer swamp forest in central New York. Bulletin of the Torrey Botanical Club. 113:357-371. 1986
- Chemical composition of interstitial water in decaying lodgepole pine bole wood. Canadian Journal of Forest Research. 15:1149-1153. 1985
- The nitrogen cycle in lodgepole pine forest, southeastern Wyoming. Biogeochemistry. 1:257-275. 1985
- Water and nutrient outflow from contrasting lodgepole pine forests in Wyoming. Ecological Monographs. 55:29-48. 1985
- An experimental analysis of solution chemistry in a lodgepole pine forest floor. Oikos: A Journal of Ecology. 43:222-234. 1984
- Biomass and leaf area in lodgepole pine forests of different structure. Canadian Journal of Forest Research. 14:259-265. 1984
- Soil and xylem water potential and soil water content in contrasting Pinus contorta ecosystems, southeastern Wyoming. Oecologia. 61:346-351. 1984
- Nutrient dynamics of aboveground detritus in lodgepole pine ecosystems, southeastern Wyoming. Ecological Monographs. 53:51-72. 1983
- Loss of mass and nutrient changes of decaying woody roots in lodgepole pine forests, southeastern Wyoming. Canadian Journal of Forest Research. 12:745-752. 1982
- Fire in the forests of New Hampshire and Maine. Bulletin of the Torrey Botanical Club. 108:362-373. 1981
- Transpiration from 100 year old lodgepole pine forests measured with whole tree potometers. Ecology. 62:717-726. 1981
- Changes in nutrient content of snow water during outflow from Rocky Mountain coniferous forest. . Oikos: A Journal of Ecology. 32:422-428. 1979
- The effect of night frost on the transpiration of Pinus contorta ssp.latifolia. Oecologia. 14:483-490. 1979
- The vegetation on a heath bald in Maine. Bulletin of the Torrey Botanical Club. 103:23-29. 1976
- Soil freezing along an altitudinal gradient on Mt. Moosilauke, New Hampshire, 1973-1974. Canadian Journal of Forest Research. 5:700-705. 1975
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book
- Foliage and fine root longevity in pines. Vol. 43. 1994
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booksection
- Estimating aboveground net primary productivity in forest-dominated ecosystems 2007
- Estimating belowground primary productivity 2007
- Guiding principles and standards for measurement 2007
- Fine Root Production and Demography 1999
- Measurement of Static Root Parameters: Biomass, Length, and Distribution in the Soil Profile 1999
- Carbon dynamics following clear-cutting of a northern hardwood forest ecosystem 1995
- Efficiency of nutrient acquisition by fine roots and mycorrhizae 1994
- Production of methane and nitrous oxide by organic soils within a northern hardwood forest ecosystem 1993
- Production of methane and nitrous oxide by organic soils within a northern hardwood forest ecosystem 1993
- Inorganic nutrients: internal distribution and resorption 1990
- Controls of soil solution chemistry in lodgepole pine forest ecosystems 1985
- Controls of soil solution chemistry in lodgepole pine forest ecosystems, Wyoming, USA 1985
- Organic chemistry of the soil solution during snowmelt leaching in Pinus contorta forest ecosystem 1985
- Organic chemistry of the soil solution during snowmelt leaching in Pinus contorta forest ecosystems, Wyoming, USA 1985
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conference paper
- Combining physical and social characteristics for stream management. Proc. Am. Water Res. Assoc. 4. 2005
- Linking the biological, physical, and social perspectives in watershed research. Proc. 2005 Annual Conf. Soil & Water Conservation Society. 2005
- Description and application of H2O TRANS, a stand level hydrologic model for western coniferous forests. Third International Conference on State of the Art in Ecological Modelling. 1982
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document part
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report
presentations
featured in archived article
speaker at Cornell event
Teaching
teaching overview
- My teaching is focused on principles of environmental science and principles of forest ecology. In 2010, I offered a seminar in Forest Ecosystem Management.
teaching activities
- NTRES-7900: Graduate-Level Thesis Research - Spring 2013
- NTRES-8900: Master's Thesis Research - Spring 2013
- NTRES-9900: Doctoral-Level Thesis Research - Spring 2013
- BIOEE-9990: Ph.D. Dissertation Research - Fall 2012
- NTRES-2100: Introductory Field Biology - Fall 2012
- NTRES-4200: Forest Ecology - Fall 2012
- NTRES-4201: Forest Ecology Laboratory - Fall 2012
- NTRES-4990: Undergraduate Research - Fall 2012
- NTRES-4991: Honors Research in Natural Resources - Fall 2012
- NTRES-7900: Graduate-Level Thesis Research - Fall 2012
- NTRES-8900: Master's Thesis Research - Fall 2012
- NTRES-9900: Doctoral-Level Thesis Research - Fall 2012
- BIOEE-9990: Ph.D. Dissertation Research - Spring 2012
- NTRES-7900: Graduate-Level Thesis Research - Spring 2012
- NTRES-8900: Master's Thesis Research - Spring 2012
- NTRES-9900: Doctoral-Level Thesis Research - Spring 2012
- BIOEE-9990: Ph.D. Dissertation Research - Fall 2011
- NTRES-2100: Introductory Field Biology - Fall 2011
- NTRES-4200: Forest Ecology, Lecture - Fall 2011
- NTRES-4201: Forest Ecology Laboratory - Fall 2011
- NTRES-4990: Undergraduate Research - Fall 2011
- NTRES-4991: Honors Research in Natural Resources - Fall 2011
- NTRES-7900: Graduate-Level Thesis Research - Fall 2011
- NTRES-8900: Master's Thesis Research - Fall 2011
- NTRES-9900: Doctoral-Level Thesis Research - Fall 2011
Service
outreach overview
- I work with the Hubbard Brook Research Foundation to communicate ecosystem science to policy makers and the public through our Science Links.
service to the profession
- Hubbard Brook Research Foundation Trustee 2003 -
- Scientific Advisory Committee of Hubbard Brook Ecosystem Study Board of Advisors 1996 -
- SIGMA XI Member - 2012
reviewer or editor for
- Annals of Botany
- Biogeochemistry
- Biological Invasions
- Canadian Journal of Forest Research
- Ecological Applications
- Ecology
- Ecology Letters
- Ecosphere
- Ecosystems
- Forest Ecology and Management
- Forests
- Frontiers in Ecology and Environment
- Graduate Women in Science Fellowships
- Hatch/McStennis Grant
- IGERT Spring Grant Proposals (Biogeochemistry)
- Journal of Ecology
- NSF Ecosystem Science Panel
- National Institutes for Climatic Change Research (NICCR)
- National Science Foundation
- National Science Foundation
- National Science Foundation
- New Phytologist
- PLOS One
- PNAS: Proceedings of the National Academy of Scientists of the United States of America
- Plant and Soil
- Science of the Total Environment
- Soil Biology and Biochemistry
- Tree Physiology
- USDA/CSREES
- Wetlands
Background
education and training
- Ph.D. in Botany, University of Wyoming 1979
- M.S. in Botany, University of Wyoming 1977
- B.S. in Biology, Dartmouth College 1974
awards and honors
Other
college
- CALS
research keyword
- conservation
- ecology
- forest
- nutrient cycling
- soil
name prefix
- Dr.