Research Publications

Invasive Plants, Pests and Pathogens: Since 1988

• Albani, M., Moorcroft, P. R., Ellison, A. M., Orwig, D. A., Foster, D. R. 2010. Predicting the impact of hemlock Woolly Adelgid on carbon dynamics of eastern United States forests. Canadian Journal Forest Research 40: 119-133.
• Anthony, M. A., Frey, S. D., Stinson, K. A. 2017. Fungal community homogenization, shift in dominant trophic guild, and appearance of novel taxa with biotic invasion. Ecosphere 8: 17 pp.
• Anthony, M. A., Stinson, K. A., Moore, J. A. M., Frey, S. D. 2020. Plant invasion impacts on fungal community structure and function depend on soil warming and nitrogen enrichment. Oecologia 194: 659–672.
• Anthony, M. A., Stinson, K. A., Trautwig, A. N., Coates-Connor, E., Frey, S. D. 2019. Fungal communities do not recover after removing invasive Alliaria petiolata (garlic mustard). Biological Invasions 21: 3085-3099.
• Atkins, J. W., Bond-Lamberty, B., Fahey, R. T., Haber, L. T., Stuart‐Haëntjens, E., Hardiman, B. S., LaRue, E., McNeil, B.E., Orwig, D. A., Stovall, A. E. L., Tallant, J. M., Walter, J. A., Gough, C. M. 2020. Application of multidimensional structural characterization to detect and describe moderate forest disturbance. Ecosphere 11: e03156, 19 pp.
• Barker Plotkin, A., Blumstein, M., Laflower, D., Pasquarella, V. J., Chandler, J. L., Elkinton, J. S., Thompson, J. R. 2021. Defoliated trees die below a critical threshold of stored carbon. Functional Ecology 35: 2156–2167.
• Barker Plotkin, A., Orwig, D. A., MacLean, M. G., Ellison, A. M. 2024. Logging response alters trajectories of reorganization after loss of a foundation tree species. Ecological Applications 34: e2957.
• Bennett, K. F. 2010. Citizen Scientists; Fifth Graders work as researchers on the hunt for an invasive species. Science and Children 48: 50-53.
• Boucher, P. B., Hancock, S., Orwig, D. A., Duncanson, L., Armston, J., Tang, H., Krause, K., Cook, B., Paynter, I., Li, Z., Elmes, A., Schaaf, C. 2020. Detecting Change in Forest Structure with Simulated GEDI Lidar Waveforms: A Case Study of the Hemlock Woolly Adelgid (HWA; Adelges tsugae) Infestation. Remote Sensing 12: 1304, 25 pp.
• Box, O. F., Dodds, K. J., Orwig, D. A., D'Amato, A. W. 2023. The effects of intensive eradication efforts for Asian longhorned beetle on understory plant communities, tree regeneration, and forest structure in southern New England hardwood forests. Forest Ecology and Management 545: 121290.
• Burls*, K., McClaugherty, C. 2008. Landscape Position Influences the Distribution of Garlic Mustard, an Invasive Species. Northeastern Naturalist 15: 541-556.
• Callaway, R. M., Cipollini, D., Barto, K., Thelen, G. C., Hallett, S. G., Prati, D., Stinson, K. A., Klironomos, J. N. 2008. Novel Weapons: Invasive Plant Suppresses Fungal Mutualists in America but not in its Native Europe. Ecology 89: 1043-1055.
• Carpenter*, D. N. 2008. Regional and Historical Influences on Exotic Plant Invasions. The Ecological Drivers of Alliaria petiolata Invasion in Western Massachusetts. Thesis, Harvard College.
• Case, B. S., Buckley, H. L., Barker Plotkin, A., Orwig, D. A., Ellison, A. M. 2017. When a foundation crumbles: forecasting forest dynamics following the decline of the foundation species Tsuga canadensis. Ecosphere 8: e01893.
• Catanzaro, P., D'Amato, A., Orwig, D. A., Siegert, N., Benedict, L., Everett, T., Daigle, J., Mahaffey, A. 2023. Managing Northeastern Forests Threatened by Emerald Ash Borer.
• Chandler, J. L., Elkinton, J. S., Orwig, D. A. 2022. High Rainfall May Induce Fungal Attack of Hemlock Woolly Adelgid (Hemiptera: Adelgidae) Leading to Regional Decline. Environmental Entomology 51: 286–293.
• Cleavitt, N. L., Montague, M. S., Battles, J. J., Box, O. F., Matthes, J. H., Fahey, T. J. 2022. Enemy release from beech bark disease coincides with upslope shift of American beech. Canadian Journal of Forest Research 52: 1224-1233.
• Cobb, R. C., Orwig, D. A. 2002. Impact of hemlock woolly adelgid on decomposition: an overview. Proceedings of Symposium on the Hemlock Woolly Adelgid in Eastern North America. New Jersey.
• Cobb, R. C., Orwig, D. A., Currie, S. J. 2006. Decomposition of green foliage in eastern hemlock forests of southern New England impacted by hemlock woolly adelgid infestations. Canadian Journal Forest Research 36: 1-11.
• Conrad-Rooney*, E., Barker Plotkin, A., Pasquarella, V. J., Elkinton, J., Chandler, J. L., Matthes, J. H. 2020. Defoliation severity is positively related to soil solution nitrogen availability and negatively related to soil nitrogen concentrations following a multi-year invasive insect irruption. Annals of Botany Plants 12: 9 pp.
• D'Amato, A. W., Orwig, D. A., Siegert, N. W., Mahaffey, A., Benedict, L., Everett, T., Daigle, J., Johnson, L., Catanzaro, P., Cusack, C. 2023. Species Preservation in the Face of Novel Threats: Cultural, Ecological, and Operational Considerations for Preserving Tree Species in the Context of Non-Indigenous Insects and Pathogens. Journal of Forestry 10.1093/jofore/fvad024: fvad024.
• D'Amato, A. W., Orwig, D. A., Siegert, N. W., Mahaffey, A., Benedict, L., Everett, T., Daigle, J., Johnson, L., Catanzaro, P., Cusack, C. 2023. Towards Tree Species Preservation: Protecting Ash Amidst the Emerald Ash Borer Invasion in the Northeast. Journal of Forestry 10.1093/jofore/fvad025: fvad025.
• Daley, M. J., Phillips, N. G., Pettijohn, J. C., Hadley, J. L. 2007. Water use by eastern hemlock (Tsuga canadensis) and black birch (Betula lenta): Implications of effects of the hemlock woolly adelgid. Canadian Journal of Forest Research 37: 2031-2040.
• DeGasperis, B. G. 2006. Windows of opportunity: historical and ecological perspectives on plant invasions. Thesis, Harvard University.
• DeGasperis, B. G., Motzkin, G. 2007. Windows of opportunity: Historical and ecological controls on Berberis Thunbergii invasions. Ecology 88: 3115-3125.
• Dodds, K. J., Orwig, D. A. 2009. The impact of ALB and eradication efforts in a forested conservation area in Worcester, Massachusetts-A preliminary assessment. [Unpublished USDA report].
• Dodds, K. J., Orwig, D. A. 2011. An invasive urban forest pest invades natural environments — Asian longhorned beetle in northeastern US hardwood forests. Canadian Journal of Forest Research 41: 1729-1742.
• Dodds, K. J., Orwig, D. A., Siegert, N. W. 2011. Observations of Asian Longhorned Beetle in New England Forests. New England Society of American Foresters News Quarterly 72: 5-6.
• Dodds, K. J., de Groot, P., Orwig, D. A. 2010. The impact of Sirex noctilio in Pinus resinosa and Pinus sylvestris stands in New York and Ontario. Canadian Journal Forest Research 40: 212-223.
• Dukes, J. S., Pontius, J., Orwig, D. A., Garnes, J. R., Rodgers, V. L., Brazee, N., Cooke, B., Theoharides, K. A., Stange, E. E., Harrington, R., Ehrenfeld, J., Gurevitch, J., Lerdau, M. T., Stinson, K. A., Wick, R., Ayres, M. 2009. Responses of insect pests, pathogens, and invasive plant species to climate change in the forests of northeastern North America: What can we predict?. Canadian Journal Forest Research 39: 231-248.
• Edmonds, W. D. 1946. The Harvard Forest. Harvard Forest, Petersham.
• Ellison, A. M. 2019. Foundation species, non-trophic interactions, and the value of being common. iScience 13: 254-268.
• Ellison, A. M. 2019. Tsuga canadensis (Eastern Hemlock). In: Armstrong, J., Lakind, A., becoming-Botanical: a post modern liber herbalis, Objet-a Creative Studio, Glasgow.
• Ellison, A. M., Barker Plotkin, A., Foster, D. R., Orwig, D. A. 2010. Experimentally testing the role of foundation species in forests: the Harvard Forest Hemlock Removal Experiment. Methods in Ecology and Evolution 1: 168-179.
• Ellison, A. M., Borden, D. B. 2018. Learning from art: Hemlock Hospice inspires new ways of doing science. SciArt Magazine 33: n.p..
• Ellison, A. M., Borden, D. B. 2021. Hemlock Hospice: Landscape ecology, art, and design as science communication. In: Rogers, H. S., Halpern, M. K., Hannah, D., de Ridder-Vignone, K., Routledge Handbook of Art, Science, and Technology Studies, Routledge, London.
• Ellison, A. M., Borden, D. B. 2022. Constructive Friction Creates a Third Space for Art/Science Collaborations. Leonardo 55: 283-288.
• Ellison, A. M., Chen*, J., Díaz*, D., Kammerer-Burnham*, C., Lau*, M. 2005. Changes in ant community structure and composition associated with hemlock decline in New England. Proceedings of Third Symposium on Hemlock Woolly Adelgid in the Eastern United States. Morgantown, West Virginia.
• Ellison, A. M., Degrassi, A. L. 2017. All species are important, but some species are more important than others. Journal of Vegetation Science 28: 669-671.
• Ellison, A. M., Orwig, D. A., Barker Plotkin, A. A. 2017. Cut or girdle. In: Foster, D. R., Hemlock: A Forest Giant on the Edge, Yale University Press, New Haven, CT.
• Ellison, A. M., Orwig, D. A., Fitzpatrick, M. C., Preisser, E. L. 2018. The Past, Present, and Future of the Hemlock Woolly Adelgid (Adelges tsugae) and Its Ecological Interactions with Eastern Hemlock (Tsuga canadensis) Forests. Insects 9: 172-189.
• Farnsworth, E. J., Barker Plotkin, A., Ellison, A. M. 2012. The relative contributions of seed bank, seed rain, and understory vegetation dynamics to the reorganization of Tsuga canadensis forests after loss due to logging or simulated attack by Adelges tsugae. Canadian Journal of Forest Research 42: 2090-2105.
• Finzi, A. C., Giasson, M.-A., Barker Plotkin, A., Aber, J. D., Boose, E. R., Davidson, E. A., Dietze, M. C., Ellison, A. M., Frey, S. D., Goldman, E., Keenan, T. F., Melillo, J. M., Munger, J. W., Nadelhoffer, K. J., Ollinger, S. V., Orwig, D. A., Pederson, N., Richardson, A. D., Savage, K., Tang, J., Thompson, J. R., Williams, C. A., Wofsy, S. C., Zhou, Z., Foster, D. R. 2020. Carbon budget of the Harvard Forest Long-Term Ecological Research site: pattern, process, and response to global change. Ecological Monographs 90: e01423, 37 pp.
• Finzi, A. C., Raymer, P. C. L., Giasson, M.-A., Orwig, D. A. 2014. Net Primary production and soil respiration in New England hemlock forests affected by the hemlock woolly adelgid. Ecosphere 5: 98.
• Fitzpatrick, M. C., Preisser, E. L., Ellison, A. M., Elkinton, J. S. 2009. Observer bias and the detection of low-density populations. Ecological Applications 19: 1673-1679.
• Fitzpatrick, M. C., Preisser, E. L., Porter, A., Elkinton, J. S., Ellison, A. M. 2012. Modeling range dynamics in heterogeneous landscapes: invasion of the hemlock woolly adelgid in eastern North America. Ecological Applications 22: 472-486.
• Fitzpatrick, M. C., Pressier, E. L., Porter, A., Elkinton, J., Waller, L. A., Carlin, B. P., Ellison, A. M. 2010. Ecological boundary detection using Bayesian areal wombling. Ecology 91: 3448-3455.
• Foster, D. R. 2000. Hemlock's future in the context of its history: an ecological perspective. Proceedings of Sustainable Management of Hemlock Ecosystems in Eastern North America. Newtown Square, PA.
• Foster, D. R. 2013. Lessons from Harvard Forests and Ecologists: Bob Marshall’s Plot. Forest History Today Spring/Fall: 34-41.
• Foster, D. R. 2014. Book Excerpt: Hemlock: A Forest Giant on the Edge. Arnoldia 71: 12-25.
• Foster, D. R. 2014. Three Views from John Sanderson's Woodlot. Forest History Today 20: 37-45.
• Foster, D. R., Baiser, B., Barker Plotkin, A., D'Amato, A. W., Ellison, A. M., Orwig, D. A., Oswald, W. W., Thompson, J. R. 2014. Hemlock: A Forest Giant on the Edge. Yale University Press, New Haven, CT.
• Gomez, S., Gonda-King, L., Orians, C. M., Orwig, D. A., Panko, R., Radville, L., Soltis, N., Thornber, C. S., Preisser, E. L. 2015. Interactions between invasive herbivores and their longterm impact on New England hemlock forests. Biological Invasions 17: 661-673.
• Gunn, J., Orwig, D. A. 2018. Threats to Old-growth Forests from Invasive Plants, Pests, and Pathogens. In: Keeton, W., Barton, M., Eastern old-growth forests, Island Press, Washington, DC.
• Hadley, J. L., Kuzeja, P. S., Daley, M. J., Phillips, N. G., Mulcahy*, T., Singh*, S. 2008. Water use and carbon exchange of red oak- and eastern hemlock-dominated forests in the northeastern U.S.: Implications for ecosystem-level effects of the hemlock woolly adelgid. Tree Physiology 28: 614-627.
• Haines, D. F., Aylward, J. A., Frey, S. D., Stinson, K. A. 2018. Regional Patterns of Floristic Diversity and Composition in Forests Invaded by Garlic Mustard (Alliaria petiolata). Northeastern Naturalist 25: 399-417.
• Holt, J. R., Borsuk, M. E., Butler, B. J., Kittredge, D. B., Laflower, D., MacLean, M. G., Markowski-Lindsay, M., Orwig, D. A., Thompson, J. R. 2020. Landowner functional types to characterize response to invasive forest insects. People and Nature 2: 204-216.
• Holt, J. R., Butler, B. J., Borsuk, M. E., Markowski-Lindsay, M., MacLean, M. G., Thompson, J. R. 2021. Using the Theory of Planned Behavior to Understand Family Forest Owners’ Intended Responses to Invasive Forest Insects. Society and Natural Resources 34: 1001-1018.
• Holt, J. R., Smetzer, J. R., Borsuk, M. E., Laflower, D., Orwig, D. A., Thompson, J. R. 2022. Emerald ash borer intensifies harvest regimes on private land. Ecological Applications 32: e2508, 12 pp.
• Hughes, G. D. 1997. Alien Plant Invasion on Hawaiian Mountains - in relation to canopy cover and feral ungulate activity. Thesis, Harvard University.
• Jefts, S., Orwig, D. A. 2005. The effects of HWA outbreaks on ecosystem level changes in southern New England. Proceedings of 3rd Symposium on Hemlock Woolly Adelgid in the Eastern United States. Newtown, PA.
• Jenkins, J. C., Aber, J. D., Canham, C. 1999. Hemlock woolly adelgid impacts on community structure and N cycling rates in eastern hemlock forest. Canadian Journal of Forest Research 29: 630-645.
• Jones, J. A., Groffman, P. M., Blair, J., Davis, F. W., Dugan, H., Euskirchen, E. S., Frey, S. D., Harms, T. K., Hinckley, E., Kosmala, M., Loberg, S., Malone, S., Novick, K., Record, S., Rocha, A. V., Ruddell, B. L., Stanley, E. H., Sturtevant, C., Thorpe, A., White, T., Wieder, W. R., Zhai, L., Zhu, K. 2021. Synergies Among Environmental Science Research and Monitoring Networks: A Research Agenda. Earth's Future 9: e2020EF001631, 17 pp.
• Kendrick, J. A., Ribbons, R. R., Classen, A. T., Ellison, A. M. 2015. Changes in canopy structure and ant assemblages affect soil ecosystem variables as a foundation species declines. Ecosphere 6: article 77.
• Kim, J., Hwang, T., Schaaf, C. L., Orwig, D. A., Boose, E. R., Munger, J. W. 2017. Increased water yield due to the hemlock woolly adelgid infestation in New England. Geophysical Research Letters 44: 2327-2335.
• Kizlinski, M. L. 2002. Vegetation and ecosystem response to eastern hemlock decline and logging: direct and indirect consequences of the hemlock woolly adelgid. Thesis, Harvard University.
• Kizlinski, M. L., Orwig, D. A., Cobb, R. C., Foster, D. R. 2002. Direct and indirect ecosystem consequences of an invasive pest on forests dominated by eastern hemlock. Journal of Biogeography 29: 1489-1503.
• Kolbe, J. J., VanMiddlesworth, P., Battles, A. C., Stroud, J. T., Buffum, B., Forman, R. T. T., Losos, J. B. 2016. Determinants of spread in an urban landscape by an introduced lizard. Landscape Ecology 31: 1795-1813.
• Lany, N. K., Zarnetske, P. L., Schliep, E. M., Schaeffer, R. N., Orians, C. M., Orwig, D. A., Preisser, E. L. 2018. Asymmetric biotic interactions and abiotic niche differences revealed by a dynamic joint species distribution model. Ecology 99: 1018-1023.
• Li, X., Boyle, K. J., Preisser, E. L., Holmes, T. P., Orwig, D. A. 2022. Property value effects of the Hemlock wooly adelgid infestation in New England, U.S.A. Ecological Economics 194: article 107354, 14 pp.
• Li, X., Preisser, E. L., Boyle, K. J., Holmes, T. P., Liebhold, A., Orwig, D. A. 2014. Potential social and economic impacts of the hemlock woolly adelgid in southern New England. Southeastern Naturalist 13: 130-146.
• Liebhold, A. M., Hajek, A. E., Walter, J. A., Haynes, K. J., Elkinton, J., Muzika, R. 2022. Historical change in the outbreak dynamics of an invading forest insect. Biological Invasions 24: 879–889.
• Lim, H. C., Sodhi, N. S., Brook, B. W., Soh, M. C. 2003. Undesirable aliens: factors determining the distribution of three invasive bird species in Singapore. Journal of Tropical Ecology 19: 685-695.
• Lovett, G. M., Weiss, M., Liebhold, A. M., Holmes, T. P., Leung, B., Lambert, K. F., Orwig, D. A., Campbell, F. T., Rosenthal, J., McCullough, D. G., Wildova, R., Ayres, M. P., Canham, C. D., Foster, D. R., LaDeau, S. L., Weldy, T. 2016. Nonnative forest insects and pathogens in the United States: Impacts and policy options. Ecological Applications 26: 1437-1455.
• MacLean, M. G., Holt, J., Borsuk, M. E., Markowski-Lindsay, M., Butler, B. J., Kittredge, D. B., Duveneck, M. J., Laflower, D., Orwig, D. A., Foster, D. R., Thompson, J. R. 2020. Potential Impacts of Insect-Induced Harvests in the Mixed Forests of New England. Forests 11: article 498, 19 pp.
• Mack, R. N., Simberloff, D., Lonsdale, W. M., Evans, H., Clout, M., Bazzaz, F. A. 2000. Biotic invasions: causes epidemiology, global consequences and control. Bulletin of the Ecological Society of America 5: 2-20.
• Markowski-Lindsay, M., Catanzaro, P., Robillard, A., Butler, B. J., Orwig, D. A., D’Amato, A. W., Thompson, J. R., Laflower, D. M., MacLean, M. G., Itter, M. 2023. Forester and Logger Response to Emerald Ash Borer in Massachusetts and Vermont: a Secondary Disturbance. Journal of Forestry 121: 319-332.
• Mathewson, B. 2007. Salamanders in a Changing Environment on Hemlock Hill. Arnoldia 65: 19-25.
• Mathewson, B. 2014. The Relative Abundance of the Juvenile Phase of the Eastern Red-Spotted Newt at Harvard Forest Prior to the Arrival of the Hemlock Woolly Adelgid. Southeastern Naturalist 13: 117-129.
• Mays*, A. 2009. Does Invasive Glossy Buckthorn (Frangula Alnus) Have Allelopathic Effects On Native New England Wetland Margin Vegetation?. Thesis, Mount Holyoke.
• McDonald, R. I., Motzkin, G., Foster, D. R. 2008. Assessing the influence of historical factors, contemporary processes, and environmental conditions on the distribution of invasive species. Journal of the Torrey Botanical Society 135: 259-270.
• McDonald, R. I., Urban, D. L. 2006. Edge effects on species composition and exotic species abundance in the North Carolina Piedmont. Biological Invasions 8: 1049-1060.
• Miller-Pierce, M. R., Orwig, D. A., Preisser, E. L. 2010. Effects of Hemlock Woolly Adelgid and Elongate Hemlock Scale on Eastern Hemlock Growth and Foliar Chemistry. Environmental Entomology 39: 513-519.
• Mukassabi, T., Thomas, P. A., Coleshaw, T., Polwart, A. 2015. Is Scots pine a successful invader in contemporary bog?. International Proceedings of Chemical, Biological and Environmental Engineering 88: 72-80.
• Ochs, A., Siddig, A. A. 2017. Response of Red-Backed Salamanders (Plethodon Cinereus) to Changes in Hemlock Forest Soil Driven by Invasive Hemlock Woolly Adelgid (Adelges Tsugae). Environments 4: article 8.
• Orwig, D. A. 2002. Ecosystem to regional impacts of introduced pests and pathogens: historical context, questions and issues. Journal of Biogeography 29: 1471-1474.
• Orwig, D. A. 2002. Stand dynamics associated with chronic hemlock woolly adelgid infestations in southern new England. Proceedings of Symposium on the Hemlock Woolly Adelgid in Eastern North America. New Brunswick, New Jersey.
• Orwig, D. A. 2008. Eastern Hemlock: Irreplaceable Habitat. Massachusetts Sierran 14: 3-5.
• Orwig, D. A. 2011. Hemlock Wooly Adelgid. In: Simberloff, D., Rejmanek, M., Encyclopedia of Biological Invasives, University of California Press, Los Angeles, CA.
• Orwig, D. A. 2011. Invasive Pests: Coming Soon to a Tree Near You!. Ecological Landscaping Newsletter May: 3 pp.
• Orwig, D. A. 2014. An iconic species. In: Foster, D. R., Hemlock: A Forest Giant on the Edge, Yale University Press, New Haven, CT.
• Orwig, D. A. 2014. Invasion of an exotic pest. In: Foster, D. R., Hemlock: A Forest Giant on the Edge, Yale University Press, New Haven, CT.
• Orwig, D. A., Barker Plotkin, A., Davidson, E. A., Lux, H., Savage, K., Ellison, A. M. 2013. Foundation species loss affects vegetation structure more than ecosystemfunction in a northeastern USA forest. PeerJ 1: e41.
• Orwig, D. A., Boucher, P., Paynter, I., Saenz, E., Li, Z., Schaaf, C. 2018. The potential to characterize ecological data with terrestrial laser scanning in Harvard Forest, MA. Interface Focus 8: 20170044: 9 pp.
• Orwig, D. A., Cobb, R. C., D'Amato, A. W., Kizlinski, M. L., Foster, D. R. 2008. Multi-year ecosystem response to hemlock woolly adelgid infestation in southern New England Forests. Canadian Journal of Forest Research 38: 834-843.
• Orwig, D. A., Cobb, R. C., Kizlinski, M. L., Currie, S. J., Foster, D. R. 2000. Ecosystem response to hemlock decline from hemlock woolly adelgid in southern New England. Proceedings of ESA. .
• Orwig, D. A., Foster, D. R. 1998. Ecosystem response to an imported pathogen: the hemlock woolly adelgid. Arnoldia 58: 41-44.
• Orwig, D. A., Foster, D. R. 1998. Forest response to the introduced hemlock woolly adelgid in southern New England, USA. Journal of the Torrey Botanical Society 125: 59-72.
• Orwig, D. A., Foster, D. R. 1999. Stand, landscape and ecosystem analyses of hemlock woolly adelgid outbreaks in southern New England: an overview. Proceedings of Symposium on Sustainable Management of Hemlock Ecosystems in Eastern North America. Durham, NH.
• Orwig, D. A., Foster, D. R., Kizlinski, M. L. 1999. Stand and Landscape Level Analysis of Hemlock Woolly Adelgid Outbreaks in Southern New England (Abstract). Proceedings of U. S. Department of Agriculture interagency research forum on gypsy moth and other invasive species. Annapolis, MD.
• Orwig, D. A., Foster, D. R., Mausel*, D. L. 2002. Landscape patterns of hemlock decline in New England due to the introduced hemlock woolly adelgid. Journal of Biogeography 29: 1475-1487.
• Orwig, D. A., Kittredge, D. B. 2005. Silvicultural Options for Managing Hemlock Forests Threatened by Hemlock Woolly Adelgid.
• Orwig, D. A., Kittredge, D. B. 2005. Silvicultural options for managing hemlock forests threatened by hemlock woolly adelgid. Proceedings of Third Symposium on Hemlock Woolly Adelgid in the Eastern United States. Asheville, NC.
• Orwig, D. A., Kizlinski, M. L. 2002. Vegetation response following hemlock woolly adelgid infestation, hemlock decline, and hemlock salvage logging. Proceedings of Symposium on the Hemlock Wooly Adelgid in eastern North America. New Brunswick, NJ.
• Orwig, D. A., Thompson, J. R., Povak*, N. A., Manner, M., Niebyl*, D., Foster, D. R. 2012. A foundation tree at the precipice: Tsuga canadensis health after the arrival of Adelges tsugae in central New England. Ecosphere 3: art10.
• Oswald, W. W. 2018. December Leaf Out of Frangula alnus (Rhamnaceae) In Eastern Massachusetts. Rhodora 120: 172-178.
• Paillet, F. L. 1988. Character and distribution of American chestnut sprouts in southern New England woodlands. Bulletin of the Torrey Botanical Club 115: 32-44.
• Paillet, F. L. 2002. Chestnut: history and ecology of a transformed species. Journal of Biogeography 29: 1517-1530.
• Pasquarella, V. J., Bradley, B. A., Woodcock, C. E. 2017. Near-Real-Time Monitoring of Insect Defoliation Using Landsat Time Series. Forests 8: article 275, 17 pp.
• Pasquarella, V. J., Elkinton, J. S., Bradley, B. A. 2018. Extensive gypsy moth defoliation in Southern New England characterized using Landsat satellite observations. Biological Invasions 20: 3047-3053.
• Pasquarella, V. J., Mickley, J. G., Barker Plotkin, A., MacLean, R. G., Anderson, R. M., Brown, L. M., Wagner, D. L., Singer, M. S., Bagchi, R. 2021. Predicting defoliator abundance and defoliation measurements using Landsat-based condition scores. Remote Sensing in Ecology and Conservation 7: 592-609.
• Preisser, E. L., Lodge*, A., Orwig, D. A., Elkinton, J. S. 2008. Range expansion and population dynamics of co-occurring invasive herbivores. Journal of Biological Invasions 10: 201-213.
• Preisser, E. L., Miller-Pierce, M. R., Vansant, J., Orwig, D. A. 2011. Eastern hemlock (Tsuga canadensis) regeneration in the presence of hemlock woolly adelgid (Adelges tsugae) and elongate hemlock scale (Fiorinia externa). Canadian Journal of Forest Research 41: 2433-2439.
• Raymer, P., Orwig, D. A., Finzi, A. C. 2013. Hemlock loss due to the hemlock woolly adelgid does not affect ecosystem C storage but alters its distribution. Ecosphere 4: article63.
• Ribbons, R. R. 2014. Community Responses to Eastern Hemlock Loss Across a Latitudinal Gradient. Southeastern Naturalist 13: 88-103.
• Rodgers, V. L., Stinson, K. A., Finzi, A. C. 2008. Ready or not, garlic mustard is moving in: Alliaria petiolata as a member of Eastern North American Forests. BioScience 58: 428-436.
• Rollinson*, C. R., Orwig, D. A. 2008. Evaluating chemical treatments of hemlock woolly adelgid in southern New England. Proceedings of Fourth Symposium on hemlock woolly adelgid in the eastern United States. Morgantown, WV.
• Rowell*, T. J., Sobczak, W. V. 2008. Will stream periphyton respond to increases in light following forecasted regional hemlock mortality?. Journal of Freshwater Ecology 23: 33-40.
• Sackett, T. E., Record, S., Bewick, S., Baiser, B., Sanders, N. J. 2011. Response of macroarthropod assemblages to the loss of hemlock (Tsuga canadensis), a foundation species. Ecosphere 2: art74.
• Schliep, E. M., Lany, N. K., Zarnetske, P. L., Schaeffer, R. N., Orians, C. M., Orwig, D. A., Preisser, E. L. 2018. Joint species distribution modelling for spatio-temporal occurrence and ordinal abundance data. Global Ecology and Biogeography 27: 142-155.
• Schulhof, R. 2007. Hemlock Woolly Adelgid in Public Forests: A Case Study in Managing Forest Invasion. Thesis, Harvard University.
• Siddig, A. A., Ellison, A. M., Mathewson, B. G. 2016. Assessing the impacts of the decline of Tsuga canadensis stands on two amphibian species in a New England forest. Ecosphere 7: e01574.
• Simoes, J., Markowski-Lindsay, M., Butler, B. J., Kittredge, D. B., Thompson, J., Orwig, D. A. 2019. Assessing New England Family Forest Owners' Invasive Insect Awareness. Journal of Extension 57: article 3RIB2, 17 pp.
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• Stadler, B., Muller, T., Orwig, D. A. 2006. The ecology of energy and nutrient fluxes in hemlock forests invaded by the hemlock woolly adelgid. Ecology 87: 1792-1804.
• Stadler, B., Müller, T., Orwig, D. A., Cobb, R. C. 2005. Hemlock Wooly Adelgid in New England Forests: Canopy Impacts Transforming Ecosystem Processes and Landscapes. Ecosystems 8: 233-247.
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• Stinson, K. A., Frey, S. D., Jackson, M. R., Coates-Connor, E., Anthony, M., Martinez*, K. 2018. Responses of non-native earthworms to experimental eradication of garlic mustard and implications for native vegetation. Ecosphere 9, article e02353: 11 pp.
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by Research Topics

• Biodiversity Studies
• Conservation and Management
• Ecological Informatics and Modelling
• Forest-Atmosphere Exchange
• Historical and Retrospective Studies
• International Research Projects
• Invasive Plants, Pests and Pathogens
• Large Experiments and Permanent Plot Studies
• Physiological Ecology, Population Dynamics and Species Interactions
• Regional Studies
• Soil Carbon and Nitrogen Dynamics
• Watershed Ecology