Ian Owens

Professor; Louis Agassiz Fuertes Director, Cornell Laboratory of Ornithology

Publications

  • Bennett, PM & Owens, IPF (2002) Evolutionary Ecology of Birds: Life Histories, Mating Systems and Extinction. Oxford University Press, Oxford.
  • Peck H, Pringle H, Marshall H, Owens IPF & Lord A (2014) Experimental evidence of impacts of an invasive parakeet on foraging behaviour of native birds. Behavioral Ecology 25, 582-590.
  • Bell S, Owens IPF & Lord A (2014) Quality of breeding territory mediates the relationship between paternal quality and sex ratio bias in a free-living bird population. Behavioral Ecology 25, 352-358.
  • Jenkins T, Thomas GH, Hellgren O & Owens IPF. (2012) Migratory behavior of birds affects their coevolutionary relationship with blood parasites. Evolution 66, 740-751.
  • Pigot AL, Owens IPF & Orme CDL. (2012) Speciation and extinction drive the appearance of directional range size evolution in phylogenies and the fossil record the evolution of geographic ranges in birds and mammals. PLoS Biology 10, 1371.
  • Olson VA, Davies RG, Orme CDL, Thomas GH, Meiri S, Blackburn TM, Gaston KJ, Owens IPF, Bennett PM (2009) Global biogeography and ecology of body size in birds. Ecology Letters 12, 249-259.
  • Clegg SM, Fretiu FD, Kikkawa J, Tavecchia G, Owens IPF (2008) 4000 years of phenotypic chance in an island bird: heterogeneity of selection over three microevolutionary timescales. Evolution 62, 2393- 2410.
  • Grenyer, R., Orme, C.D.L., Jackson, S.F., Thomas, G.H., Davies, R.G., Davies, T.J., Jones, K.E., Olson, V.A., Ridgely, R.S., Rasmussen, P.C., Ding, T-S., Bennett, P.M., Blackburn, T.M., Gaston, K.J., Gittleman, J.L. and Owens, I.P.F. (2006) The global distribution and conservation of rare and threatened vertebrates. Nature 444, 93-96.
  • Orme CDL, Davies RG, Olson VA, Thomas GH, Ding TZ, Rasmussen PC, Ridgely RS, Stattersfield AJ, Bennett PM, Owens IPF, Blackburn TM, Gaston KJ (2006) Global Patterns of Geographic Range Size in Birds. PLoS Biol 4(7): e208
  • Hadfield JD, Burgess MD, Lord A, Phillimore AB, Clegg SM, Owens IPF (2006) Direct versus indirect sexual selection: genetic basis of colour, size and recruitment in a wild bird. Proceedings of the Royal Society B: Biological Sciences 273, 1347-1353.
  • Phillimore AB, Owens IPF (2006) Are subspecies useful in evolutionary and conservation biology? Proceedings of the Royal Society B: Biological Sciences 273, 1049-1053
  • Orme C.D.L., Davies R.G., Burgess M., Eigenbrod F., Pickup N., Olson V.A., Webster A.J., Ding T-.S., Rasmussen P.C., Ridgely R.S., Stattersfield A.J., Bennett P.M., Blackburn T.M.,. Gaston K.J., Owens, I.P.F. (2005) Global hotspots of species richness are not congruent with endemism or threat. Nature 436 (7053): 1016-1019.
  • Hausmann, F., Marshall, N.J. & Owens, I.P.F. (2003) “UV signals in birds are special”. Proceedings of the Royal Society of London, Series B 270, 61-67.
  • Clegg, S.M, Degnan, S.M., Kikkawa, J., Moritz, C., Estoup, A. & Owens, I.P.F. (2002)“Genetic consequences of sequential founder events in a natural system”. Proceedings of the National Academy of Science USA 99, 8127-8132.
  • Griffith, S.C., Owens, I.P.F. & Thruman, K. A. (2002) “Extra-pair paternity in birds: a review of interspecific variation and adaptive function”. Molecular Ecology 11, 2195-2122.
  • Owens, I.P.F. and Bennett, P.M. (2000) “Ecological basis of extinction risk in birds: habitat loss versus human persecution and introduced predators”. Proceedings of the National Academy of Science USA 97, 12144-12148.
  • Griffith, S., Owens, I.P.F., Burke, T. “Non-genetic inheritance of a sexually selected trait”. Nature 400 (1999), 358-360.
  • Arnold, K.E. & Owens, I.P.F. (1998) “Cooperative breeding in birds: a comparative test of the life history hypothesis”. Proceedings of the Royal Society of London, Series B 265, 739-745.
  • Olson, V. & Owens, I.P.F. (1998) “Costly sexual signals: are carotenoids rare, risky or required?” Trends in Ecology & Evolution 13, 510-514.
  • Bennett, P.M. & Owens, I.P.F. (1997) “Variation among birds in vulnerability to extinction: chance or evolutionary predisposition?” Proceedings of the Royal Society of London, Series B 264, 401-
  • Owens, I.P.F. & Short, R.V. (1995) “Hormonal control of sexual dimorphism in birds: implications for new theories in sexual selection”. Trends in Ecology & Evolution 10, 44-47.
Klarman Hall
No Address Supplied
ian.owens@cornell.edu

Education

Ph.D., Evolutionary Biology, University of Leicester (1991)

B.Sc., Zoology, University of Liverpool (1988)

Departments and programs

Links

Keywords

Behavioral ecology, biodiversity, citizen science, conservation, ecology, evolutionary biology, ornithology, vertebrate zoology

Departments/Programs: Ecology and Evolutionary Biology

Graduate Fields: Ecology and Evolutionary Biology

Meredith Holgerson

Assistant Professor

Publications

For a complete list, please see Google Scholar

  • Holgerson, M.A., A. Duarte, M. Hayes, M. Adams, J. Tyson, K. Douville, and A. Strecker. 2019. Floodplains provide important amphibian habitat despite multiple ecological threats. Ecosphere: e02853.
  • Homan, R.N., M.A. Holgerson, and L.M. Biga. 2018. A long-term demographic study of a spotted salamander (Ambystoma maculatum) population in central Ohio. Herpetologica 74: 109-116.
  • Holgerson, M.A., M.R. Lambert, L.K. Freidenburg, and D.K. Skelly. 2018. Suburbanization alters small pond ecosystems: Shifts in nitrogen and food web dynamics.  Canadian Journal of Fisheries and Aquatic Sciences 75: 641-652.
  • Holgerson, M.A., E. Farr, and P.A. Raymond. 2017. Gas transfer velocities in small forested ponds. Journal of Geophysical Research – Biogeosciences 122: 1011-1021.
  • Holgerson, M.A., C.J. Zappa, and P.A. Raymond. 2016. Substantial overnight reaeration by convective cooling discovered in pond ecosystems. Geophysical Research Letters 43: 8044-8051.
  • Holgerson, M.A., D.M. Post, and D.K. Skelly. 2016. Reconciling the role of terrestrial leaves in pond food webs: A whole-ecosystem experiment. Ecology 97: 1771-1782.
  • Kolozsvary, M.B.= and M.A. Holgerson=. 2016. Creating temporary pools as wetland mitigation: How well do they function?  Wetlands 36: 335-345.
  • Holgerson, M.A. and P.A. Raymond. 2016. Large contribution to inland water CO2 and CH4 emissions from very small ponds. Nature Geoscience 9: 222-226.
  • Holgerson, M.A. 2015. Drivers of carbon dioxide and methane supersaturation in small, temporary ponds. Biogeochemistry 124 (1): 305-318.
  • Atwood, M.A.  2013. Effects of euthanasia method on stable-carbon and stable-nitrogen isotope analysis for an ectothermic vertebrate. Rapid Communications in Mass Spectrometry 27: 909-913.
  • Atwood, M.A.†, J.W. Mora†, and A.W. Kaplan. 2010. Learning to lead: Evaluating leadership and organizational learning. Leadership and Organizational Development Journal 31 (7): 576-595.
  • Homan, R.N., M.A. Atwood†, A.J. Dunkle†, and S.B. Karr†. 2010. Movement orientation by adult and juvenile wood frogs (Rana sylvatica) and American toads (Bufo americanus) over multiple years. Herpetological Conservation and Biology 5 (1): 64-72.
Klarman Hall
E303 Corson Hall
meredith.holgerson@cornell.edu
607/2544210

Education

Ph.D., Yale University, School of Forestry and Environmental Studies (2016)
M.S., SUNY College of Environmental Science and Forestry (2011)
B.S., Denison University (2009)

Departments and programs

Links

Keywords

 

 

Freshwater ecology, ponds and lakes, food webs, community ecology, ecosystem ecology, greenhouse gases, conservation, amphibians

 

Megan Greischar

Assistant Professor; co-Leader for Diversity and Inclusion

Publications

Please see a current list of publications here.

Klarman Hall
E315 Corson Hall
megan.greischar@cornell.edu

Education

Ph.D., Pennsylvania State University (2014)
B.S., Indiana University (2007)

 

Departments and programs

Links

Keywords

life history evolution, malaria, disease, transmission, epidemiology, population dynamics

Xiangtao Xu

Assistant Professor

Publications

  • Xi Yang, Xiangtao Xu, Atticus Stovall, Min Chen, Jung-Eun Lee. (2021) Recovery: Fast and Slow – vegetation response during the 2012-2016 California Drought. Journal of Geophysical Research-biogeosciences.

  • F. Meunier, H. Verbeeck, B. Cowdery, S. A. Schnitzer, C. M. Smith-Martin, J. S. Powers, X. Xu, M. Slot, H. P. T. De Deurwaerder, M. Detto, D. Bonal, M. Longo, L. S. Santiago, M. Dietze, Unraveling the relative role of light and water competition between lianas and trees in tropical forests: A vegetation model analysis. J. Ecol. 109, 519–540 (2021).

  • S. Wu, J. Wang, Z. Yan, G. Song, Y. Chen, Q. Ma, M. Deng, Y. Wu, Y. Zhao, Z. Guo, Z. Yuan, G. Dai, X. Xu, X. Yang, Y. Su, L. Liu, J. Wu, Monitoring tree-crown scale autumn leaf phenology in a temperate forest with an integration of PlanetScope and drone remote sensing observations. ISPRS J. Photogramm. Remote Sens. 171, 36–48 (2021).

  • X. Xu, A. G. Konings, M. Longo, A. Feldman, L. Xu, S. Saatchi, D. Wu*, J. Wu, P. Moorcroft, Leaf surface water, not plant water stress, drives diurnal variation in tropical forest canopy water content. New Phytol. (2021), doi:10.1111/nph.17254.

  • X. Xu, A. T. Trugman, Trait-Based Modeling of Terrestrial Ecosystems: Advances and Challenges Under Global Change. Curr. Clim. Chang. Reports, 1–13 (2021).

  • D. Wu*, S. Piao, D. Zhu, X. Wang, P. Ciais, A. Bastos, X. Xu, W. Xu, Accelerated terrestrial ecosystem carbon turnover and its drivers. Glob. Chang. Biol. 26, 5052–5062 (2020).

  • M. Detto, X. Xu, Optimal leaf life strategies determine Vc,max dynamic during ontogeny. New Phytol. 228, 361–375 (2020).

  • J. S. Powers, G. Vargas G., T. J. Brodribb, N. B. Schwartz, D. Pérez-Aviles, C. M. Smith-Martin, J. M. Becknell, F. Aureli, R. Blanco, E. Calderón-Morales, J. C. Calvo-Alvarado, A. J. Calvo-Obando, M. M. Chavarría, D. Carvajal-Vanegas, C. D. Jiménez-Rodríguez, E. Murillo Chacon, C. M. Schaffner, L. K. Werden, X. Xu, D. Medvigy, A catastrophic tropical drought kills hydraulically vulnerable tree species. Glob. Chang. Biol. 26, 3122–3133 (2020).

  • C. M. Smith-Martin, X. Xu, D. Medvigy, S. A. Schnitzer, J. S. Powers, Allometric scaling laws linking biomass and rooting depth vary across ontogeny and functional groups in tropical dry forest lianas and trees. New Phytol. 226, 714–726 (2020).

  • J. H. Levy-Varon, S. A. Batterman, D. Medvigy, X. Xu, J. S. Hall, M. van Breugel, L. O. Hedin, Tropical carbon sink accelerated by symbiotic dinitrogen fixation. Nat. Commun. 10, 5637 (2019).

  • D. Medvigy, G. Wang, Q. Zhu, W. J. Riley, A. M. Trierweiler, B. G. Waring, X. Xu, J. S. Powers, Observed variation in soil properties can drive large variation in modelled forest functioning and composition during tropical forest secondary succession. New Phytol. 223, 1820–1833 (2019).

  • Xu, X., Medvigy, D., Trugman, A.T., Guan, K., Good, S.P. & Rodriguez-Iturbe, I. (2018) Tree cover shows strong sensitivity to precipitation variability across the global tropics. Global Ecology and Biogeography, 27, 450–460.
  • Wang, X., Wu, J., Chen, M., Xu, X., Wang, Z., Wang, B., Wang, C., Piao, S., Lin, W., Miao, G., Deng, M., Qiao, C., Wang, J., Xu, S. & Liu, L. (2018) Field evidence for the positive effects of aerosols on tree growth. Global Change Biology. (published online)
  • Fisher, R.A., Koven, C.D., Anderegg, W.R.L., Christoffersen, B.O., Dietze, M.C., Farrior, C.E., Holm, J.A., Hurtt, G.C., Knox, R.G., Lawrence, P.J., Lichstein, J.W., Longo, M., Matheny, A.M., Medvigy, D., Muller-Landau, H.C., Powell, T.L., Serbin, S.P., Sato, H., Shuman, J.K., Smith, B., Trugman, A.T., Viskari, T., Verbeeck, H., Weng, E., Xu, C., Xu, X., Zhang, T. & Moorcroft, P.R. (2018) Vegetation demographics in Earth System Models: A review of progress and priorities. Global Change Biology, 24, 35–54.
  • McDowell, N., Allen, C.D., Anderson-Teixeira, K., Brando, P., Brienen, R., Chambers, J., Christoffersen, B., Davies, S., Doughty, C., Duque, A., Espirito-Santo, F., Fisher, R., Fontes, C.G., Galbraith, D., Goodsman, D., Grossiord, C., Hartmann, H., Holm, J., Johnson, D.J., Kassim, A.R., Keller, M., Koven, C., Kueppers, L., Kumagai, T., Malhi, Y., McMahon, S.M., Mencuccini, M., Meir, P., Moorcroft, P., Muller-Landau, H.C., Phillips, O.L., Powell, T., Sierra, C.A., Sperry, J., Warren, J., Xu, C. & Xu, X. (2018) Drivers and mechanisms of tree mortality in moist tropical forests. New Phytologist, 219, 851–869.
  • Xu, X., Medvigy, D., Joseph Wright, S., Kitajima, K., Wu, J., Albert, L.P., Martins, G.A., Saleska, S.R. & Pacala, S.W. (2017) Variations of leaf longevity in tropical moist forests predicted by a trait-driven carbon optimality model. Ecology Letters, 20, 1097–1106.
  • Wu, J., Serbin, S.P., Xu, X., Albert, L.P., Chen, M., Meng, R., Saleska, S.R. & Rogers, A. (2017) The phenology of leaf quality and its within-canopy variation is essential for accurate modeling of photosynthesis in tropical evergreen forests. Global Change Biology, 23, 4814–4827.
  • Allen, K., Dupuy, J.M., Gei, M.G., Hulshof, C., Medvigy, D., Pizano, C., Salgado-Negret, B., Smith, C.M., Trierweiler, A., Van Bloem, S.J., Waring, B.G., Xu, X. & Powers, J.S. (2017) Will seasonally dry tropical forests be sensitive or resistant to future changes in rainfall regimes? Environmental Research Letters, 12, 023001.
  • Xu, X., Medvigy, D., Powers, J.S., Becknell, J.M. & Guan, K. (2016) Diversity in plant hydraulic traits explains seasonal and inter-annual variations of vegetation dynamics in seasonally dry tropical forests. The New phytologist, 212, 80–95.
  • Oh, Y., Stackhouse, B., Lau, M.C.Y., Xu, X., Trugman, A.T., Moch, J., Onstott, T.C., Jørgensen, C.J., D’Imperio, L., Elberling, B., Emmerton, C.A., St. Louis, V.L. & Medvigy, D. (2016) A scalable model for methane consumption in arctic mineral soils. Geophysical Research Letters, 43, 5143–5150.
  • Trugman, A.T., Fenton, N.J., Bergeron, Y., Xu, X., Welp, L.R. & Medvigy, D. (2016) Climate, soil organic layer, and nitrogen jointly drive forest development after fire in the North American boreal zone. Journal of Advances in Modeling Earth Systems, 8, 1180–1209.
  • Xu, X., Medvigy, D. & Rodriguez-Iturbe, I. (2015) Relation between rainfall intensity and savanna tree abundance explained by water use strategies. Proceedings of the National Academy of Sciences, 112, 12992–12996.
  • Wang, X., Piao, S., Xu, X., Ciais, P., Macbean, N., Myneni, R.B. & Li, L. (2015) Has the advancing onset of spring vegetation green-up slowed down or changed abruptly over the last three decades? Global Ecology and Biogeography, 24, 621–631.
  • Xu, X., Piao, S., Wang, X., Chen, A., Ciais, P. & Myneni, R.B. (2012) Spatio-temporal patterns of the area experiencing negative vegetation growth anomalies in China over the last three decades. Environmental Research Letters, 7, 035701.
Klarman Hall
E317 Corson Hall
xx286@cornell.edu

Education

Ph.D. Princeton University (2017)
B.S. Peking University (2012)

Departments and programs

Links

Keywords

 

 

ecosystem ecology, quantitative ecology, global change ecology, plant functional diversity, vegetation modeling, plant hydraulics, canopy phenology

 

Peter McIntyre

Associate Professor; Dwight Webster Sesquicentennial Faculty Fellow

Publications

  • Fluet-Chouinard E, Funge-Smith S & McIntyre PB. 2018. Global hidden harvest of freshwater fish revealed by household surveys. Proceedings of the National Academy of Sciences of the United States of America 115: 7623-7628.
  • Lisi PJ, Childress E, Gagne RB, Hain EF, Hogan JD, Gilliam JF, Blum MJ, & McIntyre PB. 2018. Overcoming urban stream syndrome: trophic flexibility confers resilience among Hawaiian stream fishes. Freshwater Biology 63: 492-502.
  • Magee M, McIntyre PB, & Wu C. 2018. Modeling oxythermal stress for cool-water fishes in lakes using a cumulative dosage approach. Canadian Journal of Fisheries & Aquatic Sciences 75: 1303-1312.
  • Milt A, Diebel M, Doran P, Ferris M, Herbert M, Khoury M, Moody A, Neeson T, Ross J, Treska T, O'Hanley J., Walter L, Wangen S, Yacobson E, & McIntyre PB. 2018. Minimizing opportunity costs to aquatic connectivity restoration while controlling invasive species. Conservation Biology 32: 894-904.
  • Neeson TM, Moody AT, O'Hanley JR, Diebel MW, Doran PJ, Ferris MC, Colling T, & McIntyre PB. 2018. Aging infrastructure creates opportunities for cost-efficient restoration of aquatic ecosystem connectivity. Ecological Applications, in press. 
  • Stevens A, Baird I, & McIntyre PB. 2018. Fish consumption preferences create differential mercury exposure among Wisconsin anglers. Fisheries 43: 31-41.
  • White CH, Heidinger AK, Ackerman SA, & Mcintyre PB. 2018. A long-term fine-resolution record of AVHRR surface temperatures for the Laurentian Great Lakes. Remote Sensing 10: 1210.
  • Hermoso V, Januchowski-Hartley S, Linke S, Dudgeon D, Petry P, & McIntyre PB. 2017. Optimal allocation of species assessments to guide conservation of biodiversity in a rapidly changing world. Global Change Biology 23: 3525-3532.
  • Koning AA, Moore J, Suttidate N, Hannigan R, & McIntyre PB. 2017. Intensification of swidden agriculture leads to eutrophication of Southeast Asian rivers. Ecosystems 20: 393-405.
  • Kraemer BK, Chandra S, Dell A, Dix M, Kuusisto E, Livingstone D, Schladow G, Silow E, Sitoki L, Tamatamah R & McIntyre PB. 2017. Global patterns in lake ecosystem responses to warming based on the temperature dependence of metabolism. Global Change Biology 23: 1881-1890.
  • Moody AT, Neeson TM, Wangen S, Dischler J, Diebel MW, Herbert M, Khoury M, Yacobson E, Doran PJ, Ferris MC, O'Hanley JR, & McIntyre PB. 2017. Pet project or best project? Online decision support tools for prioritizing barrier removals in the Great Lakes and beyond. Fisheries 42: 57-65.
  • Childress E & McIntyre PB. 2016. Life history traits modulate ecosystem-level effects of nutrient subsidies from fish migrations. Ecosphere 7: e01301.
  • Cohen AS, Gergurich EL, Kraemer BM, McGlue MM, McIntyre PB, Russell JM, Simmons JD, & Swarzenski PW. 2016. Climate warming reduces fish production and benthic habitat in Lake Tanganyika, one of the world’s most biodiverse freshwater ecosystems. Proceedings of the National Academy of Sciences of the United States of America 113: 9563–9568.
  • Mason LA, Riseng CM, Gronewold AD, Rutherford ES, Wang J, Clites A, Smith SDP, & McIntyre PB. 2016. Fine-scale spatial variation in ice cover and surface temperature trends across the surface of the Laurentian Great Lakes. Climatic Change 138: 71-83.
  • McIntyre PB, Reidy Liermann C, & Revenga C. 2016. Linking freshwater fishery management to global food security and biodiversity conservation. Proceedings of the National Academy of Sciences of the United States of America 113: 12880-12885.
  • Vanni MJ & McIntyre PB. 2016. Predicting nutrient excretion rates of aquatic animals using metabolic ecology and ecological stoichiometry: a global synthesis. Ecology  97: 3460-3471.
  • Winemiller KO, McIntyre PB, & 39 others. 2016. Balancing hydropower and biodiversity in the Amazon, Congo and Mekong. Science 351: 128-129.
  • Neeson TM, Ferris MC, Diebel MW, Doran PJ, O’Hanley JR, & McIntyre PB. 2015. Enhancing ecosystem restoration efficiency through spatial and temporal coordination. Proceedings of the National Academy of Sciences of the United States of America 112: 6236–6241.
  • O’Reilly CM, et al. 2015. Rapid and highly variable warming of lake surface waters around the globe. Geophysical Research Letters 42 doi:10.1002/2015GL066235.
  • Hogan JD, Blum MJ, Gilliam JF, Bickford N, & McIntyre PB. 2014. Consequences of alternative dispersal strategies in a putatively amphidromous fish. Ecology 95: 2397-2408.
  • Allan JD*, McIntyre PB*, Smith SDP, Halpern BS, & 18 coauthors. 2013. Joint analysis of stressors and ecosystem services to enhance restoration effectiveness. Proceedings of the National Academy of Sciences of the United States of America 110: 372-377.
  • Januchowski-Hartley S, McIntyre PB, Diebel M, & Doran PJ. 2013. Restoring aquatic ecosystem connectivity requires expanding inventories of both dams and road crossings. Frontiers in Ecology & Environment 11: 211-217.
  • Pracheil BM, McIntyre PB, & Lyons JD. 2013. Enhancing conservation of large-river biodiversity by accounting for tributaries. Frontiers in Ecology & Environment 11: 124-128.
  • Vadeboncoeur Y, McIntyre PB, & Vander Zanden MJ. 2011. Borders of biodiversity: life at the edge of the world's Great Lakes.  BioScience 61: 526-537.
  • Vörösmarty CJ, McIntyre PB, Gessner MO, Dudgeon D, Prusevich A, Green P, Glidden S, Bunn SE, Sullivan CA, Reidy Liermann C, & Davies PM. 2010. Global threats to human water security and river biodiversity. Nature 467: 555-561.
  • Arnegard ME, McIntyre PB, Harmon LJ, Zelditch ML, Crampton WGR, Davis JK, Sullivan JP, Lavoué S, & Hopkins CD. 2010. Sexual signal evolution outpaces ecological divergence during electric fish species radiation. American Naturalist 176: 335–356.
  • McIntyre PB, Flecker A, Vanni M, Hood J, Taylor B & Thomas S. 2008. Fish distributions and nutrient recycling in a tropical stream: can fish create biogeochemical hotspots? Ecology 89: 2335-2346.
  • McIntyre PB, Jones L, Flecker A, & Vanni M. 2007. Fish extinctions alter nutrient recycling in tropical freshwaters. Proceedings of the National Academy of Sciences of the United States of America 104: 4461-4466.
Klarman Hall
Fernow Hall
pbm3@cornell.edu

Education

  • B.A. 1998 Harvard University, Biology
  • Ph.D. 2006 Cornell University, Ecology & Evolutionary Biology

Departments and programs

Links

Keywords

Fisheries, food webs, climate change, ecological stoichiometry, global biodiversity, conservation planning, river networks, life history and migration

Maren Vitousek

Associate Professor

Publications

  • Vitousek MN, Taff CC, Ardia DA, Stedman JS, Zimmer C, and Winkler DW. 2018. The lingering impact of stress: brief acute glucocorticoid exposure has sustained, dose-dependent effects on reproduction. Proceedings of the Royal Society of London B 285: 20180722.
  • Taff CC, Zimmer C, and Vitousek MN. 2018. Efficacy of negative feedback in the HPA axis predicts recovery from acute challenges. Biology Letters 14: 20180131.
  • Vitousek MN, Taff CC, Hallinger KK, Zimmer C, and Winkler DW. 2018. Hormones and fitness: Evidence for trade-offs in glucocorticoid regulation across contexts. Frontiers in Ecology and Evolution 6(42): 1-14.
  • Injaian AS, Taff CC, Pearson KL, Gin MMY, Patricelli GL, and Vitousek MN. 2018. Experimental chronic traffic noise exposure alters adult and nestling corticosterone levels, and reduces nestling body condition in a free-living bird. Hormones and Behavior: In press.
  • Taff CC, Schoenle L, and Vitousek MN. 2018. The repeatability of glucocorticoids: a review and meta-analysis. General and Comparative Endocrinology 260: 136-145.
  • Schoenle LA, Zimmer C, and Vitousek MN. 2018. Understanding context-dependence in glucocorticoid-fitness relationships: the role of the nature of the challenge, the intensity and frequency of stressors, and life history. Integrative and Comparative Biology: In press.
  • Vitousek MN, and Schoenle L. 2018. Hormones and behavior: A life history perspective. The Oxford Handbook on Evolutionary Psychology and Behavioral Endocrinology (Eds: Welling LLM, Shackleford TK). In press.
  • Vitousek MN^, Johnson MA^, Donald JW, Francis CD, Fuxjager MJ, Goymann W, Hau M, Husak JF, Kircher BK**, Knapp R, Martin LB, Miller ET, Schoenle LA, Uehling JJ, and Williams TD. 2018. HormoneBase: A population-level database of steroid hormone levels across vertebrates. Scientific Data: 5:180097.  ^co-first authors
  • Vitousek MN, Johnson MA, Husak JF. 2018. Illuminating endocrine evolution: the power and potential of large-scale comparative analyses. Integrative and Comparative Biology: In press.
  • Johnson MA, Francis CD, Miller ET, Downs CJ, and Vitousek MN. 2018. Detecting bias in large-scale comparative analysis: methods for expanding the scope of hypothesis-testing with HormoneBase. Integrative and Comparative Biology: In press.
  • Miles MC, Vitousek MN, Husak JF, Johnson MA, Martin LB, Taff CC, Zimmer C, Lovern MB, and Fuxjager MJ. 2018. Standing variation and the capacity for change: are endocrine phenotypes more variable than other traits? Integrative and Comparative Biology: In press.
  • Martin LB, Vitousek MN, Donald J, Flock T, Fuxjager MJ, Goymann W, Hau M, Husak JF, Johnson MA, Kircher B, Knapp R, Miller ET, Schoenle LA, Williams TD, and Francis CD. 2018. IUCN conservation status does not predict glucocorticoid concentrations in reptiles and birds. Integrative and Comparative Biology: In press.
  • Francis, CD, Donald J, Downs C, Fuxjager MJ, Goymann W, Hau M, Husak JF, Johnson MA, Kircher B, Knapp R, Martin LB, Miller ET, Schoenle LA, Vitousek MN, and Williams TD. 2018. Metabolic scaling of stress hormones in vertebrates. Integrative and Comparative Biology: In press.
  • Garamszegi LZ, Donald J, Francis CD, Fuxjager MJ, Goymann W, Hau M, Husak JF, Johnson MA, Kircher B, Knapp R, Martin LB, Miller ET, Schoenle LA, Vitousek MN, and Williams TD. 2018. Species specific means and within-species variance in glucocorticoid hormones and speciation rate in birds. Integrative and Comparative Biology: In press.  
  • Casagrande S, Garamszegi LZ, Goymann W, Donald J, Francis CD, Fuxjager MJ, Husak JF, Johnson MA, Kircher B**, Knapp R, Martin LB, Miller ET, Schoenle LA, Vitousek MN, Williams TD, and Hau M. 2018. Do seasonal glucocorticoid changes depend on reproductive investment? A comparative approach in birds. Integrative and Comparative Biology: In press.
  • Stedman JM, Hallinger KK, Winkler DW, and Vitousek MN. 2017. Heritable variation in glucocorticoid flexibility in a free-living passerine. Journal of Evolutionary Biology 30 (9): 1724-1735.
  • Kelly AM, and Vitousek MN. 2017. Dynamic modulation of sociality and aggression: an examination of plasticity within endocrine and neuroendocrine systems. Philosophical Transactions of the Royal Society of London B 372: 2016.0243.
  • Vitousek MN, Jenkins BR, Hubbard JK, Kaiser SA, and Safran RJ. 2017. An experimental test of the effect of brood size on glucocorticoid responses, parental investment, and offspring phenotype. General and Comparative Endocrinology 247: 97-106.
  • Vitousek MN, Tomášek O, Albrecht T, Wilkins M, and Safran RJ. 2016. Signal traits and oxidative stress: a comparative study across populations with divergent signals. Frontiers in Ecology and Evolution 4:56.
  • Taff CC, and Vitousek MN. 2016. Endocrine flexibility: optimizing phenotypes in a dynamic world? Trends in Ecology and Evolution 31(6): 476-488.

 

Klarman Hall
E237 Corson Hall
mnv6@cornell.edu
607/254-4529

Education

Ph.D., Princeton University (2008)

B.A., Amherst College (2002)

Departments and programs

Links

Keywords

Endocrinology, behavior, stress, physiology, evolution, phenotypic flexibility, sexual selection, signaling

Jennifer S. Thaler

Professor

Publications

  • Tigreros, N., A.A. Agrawal & J.S. Thaler (In press): Genetic variation in parental effects contributes to the evolutionary potential of antipredator plasticity. American Naturalist (bioRxiv748251)
  • Aflitto, N., and J.S. Thaler. 2020. Predator Pheromone Elicits a Temporally Dependent Non-Consumptive Effect in Prey. Ecological Entomology, 45: 1190-1199. https://doi.org/10.1111/een.12905
  • Wetzel, W.C., N. Aflitto, J.S. Thaler. 2018. Plant genotypic diversity interacts with predation risk to influence an insect herbivore across its ontogeny. Ecology, https://doi.org/10.1002/ecy.2472
  • Hermann, S.L. and J.S. Thaler. 2018. The effect of predator presence on the behavioral sequence from host selection to reproduction in an invulnerable stage of insect prey. Oecologia, 10.1007/s00442-018-4202-7.
  • Tigreros, N., E. Wang and J.S. Thaler. 2018. Prey nutritional state drives divergent behavioural and physiological responses to predation risk. Functional Ecology. 10.1111/1365-2435.13046
  • Helmberger, M., J.S. Thaler; E. Shields; K. Wickings. Entomopathogenic nematode performance against Popillia japonica (Coleoptera: Scarabaeidae) in school athletic turf: Effects of traffic and soil properties. Biological Control, accepted.
  • Wetzel, W.C. and J.S. Thaler. 2017. Host-choice reduces, but does not eliminate, the negative effects of a multi-species diet for an herbivorous beetle. Oecologia 186:483-493. doi.org/10.1007/s00442-017-4034-x.
  • Kersch-Becker, M.F., Kessler, A, and J.S. Thaler. 2017. Plant defenses limit herbivore population growth by changing predator-prey interactions. Proceedings of the Royal Society B 284:20171120. DOI: 10.1098/rspb.2017.1120
  • Tigreros, N, R. Norris, E. Wang, J. S. Thaler. 2017. Maternally induced intraclutch cannibalism: an adaptive response to predation risk? Ecology Letters 20: 487-494. 10.1111/ele.12752
  • Garrido, E., Díaz, M.F., Bernal, H., Ñústez, C.E., Thaler, J., Jander, G. and K. Poveda. 2017. Costs and tradeoffs of resistance and tolerance to belowground herbivory in potato. Plos One 12:e0169083. doi.org/10.1371/journal.pone.0169083.
  • Claflin, S., A.G. Power, J.S. Thaler. 2017. Aphid density and community composition differentially affect apterous aphid movement and plant virus transmission. Ecological Entomology 42: 245-254. DOI: 10.1111/een.12381
  • Claflin, S, Jones, L, Thaler, J, Power, A. 2016. Crop-dominated landscapes have higher vector-borne plant virus prevalence. Journal of Applied Ecology 54:1190-1198. 10.1111/1365-2664.12831
  • Wetzel, W. C. and J.S. Thaler. 2016. Does plant trait diversity reduce the ability of herbivores to defend against predators? The plant variability-gut acclimation hypothesis. Current Opinion in Insect Science 14:25-31.
  • Orrock, J.L., A. Sih, M.C.O Ferrari, R. Karban, E.L. Preisser, M.J. Sheriff, and J.S. Thaler. 2015. Error management in plant allocation to herbivore defense. Trends in Ecology and Evolution 8:441-445. http://dx.doi.org/10.1016/j.tree.2015.06.005
  • Kersch-Becker, M. and J.S. Thaler. 2015. Plant resistance reduces the strength of consumptive and non-consumptive effects of predators on aphids. Journal of Animal Ecology, 84:1222-1232. 10.1111/1365-2656.12371 **winner of 2nd place Elton Prize (best paper of the year by a young scientist)
  • Claflin, S., J.S. Thaler, A. Power. 2015. Predators, host abundance, and host spatial distribution affect the movement of wingless non-colonizing vector Rhopalosiphum padi (L.) and PVY prevalence in an oat/potato system. Arthropod-Plant Interactions 9:301-309. 10.1007/s11829-015-9370-3
  • Thaler, J.S., E.L. Olsen, I. Kaplan. 2015. Jasmonate-induced plant defenses and prey availability impact the preference and performance of an omnivorous stink bug, Podisus maculiventris. Arthropod-Plant Interactions, 9:141-148. DOI: 10.1007/s11829-015-9357-0.
  • Raguso, R.A., Agrawal, A.A., Douglas, A.E., Jander, G., Kessler, A., Poveda, K, and J.S. Thaler. 2015. The raison d'être of chemical ecology. Ecology, 96:617-630. DOI 10.1007/s00442-014-3069-5
Klarman Hall
2124 Comstock Hall
jst37@cornell.edu
607/255-7064

Education

Ph.D., University of California, Davis (1999)

B.A., Wellseley College (1993)

 

Departments and programs

Keywords

Population and community ecology, plant-insect interactions, tri-trophic interactions, chemical ecology, disease

Alison G Power

Professor

Publications

  • Vollmer, D., et al.  2018.  Integrating the social, hydrological and ecological dimensions of freshwater health: the Freshwater Health Index. Science of the Total Environment 627:304–313.
  • Marchetto, K.M., and A.G. Power.  2018.  Context-dependent interactions between pathogens and a mutualist affect pathogen fitness and mutualist benefits to hosts.  Ecology, in press.
  • Claflin, S.B, L. Jones, J. Thaler, and A.G. Power. 2017. Crop-dominated landscapes have higher vector-borne plant virus prevalence. Journal of Applied Ecology 54:1190–1198. DOI:10.1111/1365-2664.12831.
  • Claflin, S.B, J. Thaler, and A.G. Power. 2017. Aphid density and community composition differentially affect apterous aphid movement and plant virus transmission. Ecological Entomology 42:245–254. DOI:10.1111/een.12381.
  • Hilker, F. M., et al. 2017. Modelling virus coinfection to inform management of maize lethal necrosis in Kenya. Phytopathology 107:1095-1108. DOI: 10.1094/PHYTO-03-17-0080-FI
  • Kendig, A. E., E. T. Borer, C. E. Mitchell, A. G. Power, and E. W. Seabloom. 2017. Characteristics and drivers of plant virus community spatial patterns in U.S. West Coast grasslands. Oikos 126:1281-1290. DOI: 10.1111/oik.04178.
  • Marchetto, K.M., and A.G. Power. 2017. Coinfection timing drives host population dynamics through changes in virulence. American Naturalist 191:173–183.
  • Shaw, A., A. Peace, A. Power, and N. Bosque-Perez. 2017. Vector population growth and condition-dependent movement drive the spread of plant pathogens.  Ecology 98:2145-2157. DOI:10.1002/ecy.1907
  • Seabloom, E. W., et al. 2015. The community ecology of pathogens: coinfection, coexistence and community composition. Ecology Letters 18:401–415.  DOI: 10.1111/ele.12418
  • ​Lacroix, C., A. Jolles, E. W. Seabloom, A. G. Power, C. E. Mitchell, and E. T. Borer. 2014.  Non-random biodiversity loss underlies predictable increases in viral disease prevalence. Journal of the Royal Society Interface 11: 20130947. doi:10.1098/rsif.2013.0947
  • Seabloom, E. W., E. T. Borer, C. Lacroix, C. E. Mitchell, and A. G. Power. 2013. Richness and composition of niche-assembled viral pathogen communities. PLOS One 8: e55675.  DOI:10.1371/journal.pone.0055675
  • F. Stuart Chapin, III, et al. 2011. Earth stewardship: science for action to sustain the human-earth system.  Ecosphere 2:89. DOI:10.1890/ES11-00166.1.
  • Rua, M. A, E. C Pollina, A. G. Power and C. E. Mitchell. 2011. The role of viruses in biological invasions: friend or foe? Current Opinion in Virology 1:68–72.
  • Power, A.G. 2011. A multi-scale, landscape approach to predicting insect populations in agro-ecosystems.  Ecological Applications 21:1782-1791.
  • Power, A.G., E.T. Borer, P.R. Hosseini, C. E. Mitchell, and E. W. Seabloom. 2011. The community ecology of barley/cereal yellow dwarf viruses in Western US grasslands.  Virus Research 159:95-100.
  • Borer, E.T., E.W. Seabloom, C.E. Mitchell, and A.G. Power. 2010. Local context drives infection of grasses by vector-borne generalist viruses.  Ecology Letters 13:810-818.
  • Hall, G.S., J.S. Peters, D.P. Little, and A.G. Power. 2010. Plant community diversity influences vector behaviour and barley yellow dwarf virus population structure.  Plant Pathology 59:1152-1158.
  • Power, A.G. 2010. Ecosystem services and agriculture: tradeoffs and synergies.  Philosophical Transactions of the Royal Society B 365:2959-2971.
  • Seabloom, E.W., C.E. Mitchell, A.G. Power, and E.T. Borer. 2010. Viral diversity and prevalence gradients in North American Pacific coast grasslands. Ecology 91:721-732.
  • Borer, E.T., C.E. Mitchell, A.G. Power, and E.W. Seabloom. 2009. Consumers indirectly increase infection risk in grassland food webs. Proceedings of the National Academy of Sciences of the United States of America 106:503-506.
  • Power, A.G. 2008. Community ecology of plant viruses. In: Plant virus evolution (M. Roossinck, ed.). Pp. 15-26. Springer, New York.
  • Power, A.G. and C.E. Mitchell. 2004. Pathogen spillover in disease epidemics. The American Naturalist 164:S79-S89.
  • Mitchell, C. E. and A. G. Power. 2003. Release of invasive plants from fungal and viral pathogens. Nature 421:625-627.
Klarman Hall
E331A Corson Hall
agp4@cornell.edu
607/254-4233

Education

Ph.D., University of Washington (1985)

B.S., University of Alaska (1979)

 

Departments and programs

Keywords

Agroecology, disease ecology, plant-insect interactions, plant viruses, insect vectors, international agriculture, ecosystem services, food security

David M. Lodge

Professor; Francis J. DiSalvo Director; Cornell Atkinson Center for Sustainability

Publications

  • Xu CCY, Yen IJ, Bowman D, Turner CR. 2015. Spider web DNA: A new spin on noninvasive genetics of predator and prey. PLoS ONE 10(11): e0142503. doi: 10.1371/journal.pone.0142503.
  • Howeth JG, Gantz CA, Angermeier PL, Frimpong EA, Hoff MH, Keller RP, Mandrak NE, Marchetti MP, Olden JD, Romagosa CM, Lodge DM. 2015. Predicting invasiveness of species in trade: climate match, trophic guild and fecundity influence establishment and impact of non-native freshwater fishes. Diversity and Distributions. doi: 10.1111/ddi.12391.
  • Lodge DM. 2015. Faith and science can find common ground. Nature 523, 503 (30 July 2015). doi:10.1038/523503a.
  • Evans NT, Olds BP, Renshaw MR, Turner CR, Li Y, Jerde CL, Mahon AR, Pfrender ME, Lamberti GA, Lodge DM. 2015. Quantification of mesocosm fish and amphibian species diversity via eDNA metabarcoding. Molecular Ecology Resources doi: 10.1111/1755-0998.12433.
  • Reisinger LS, Petersen I, Hing JS, Davila RL, Lodge, DM. 2015. Infection with a trematode parasite differentially alters competitive interactions and antipredator behaviour in native and invasive crayfish. Freshwater Biology doi: 10.1111/fwb.12590.
  • Egan SP, Grey E, Olds B, Feder J, Ruggiero S, Tanner CE, Lodge DM. 2015. Rapid molecular detection of invasive species in ballast and harbor water by integrating environmental DNA and Light Transmission Spectroscopy. Environmental Science and Technology doi: 10.1021/es5058659.
  • Turner CR, Uy KL, Everhart RC. 2015. Fish environmental DNA is more concentrated in aquatic sediments than surface water. Biological Conservation 183: 93-102.
  • Gantz CA, Gordon DR, Jerde CL, Keller RP, Chadderton WL, Champion PD, Lodge DM. 2015. Managing the introduction and spread of non-native aquatic plants in the Laurentian Great Lakes: a regional risk assessment approach. Management of Biological Invasions 6(1): 45-55.
  • Sargent LW, Lodge DM. 2014. Evolution of invasive traits in nonindigenous species: increased survival and faster growth in invasive populations of rusty crayfish (Orconectes rusticus). Evolutionary Applications 7(8): 949-961.
  • Turner CR, Miller DJ, Coyne KJ, Corush J. 2014. Improved methods for capture, extraction, and quantitative assay of environmental DNA from Asian Bigheaded Carp (Hypophthalmichthys spp.). PLoS One doi: 10.1371/journal.pone.0114329.
  • Wittmann ME, Cooke RM, Rothlisberger JD, Rutherford ES, Zhang H, Mason DM, Lodge DM. 2014. Use of structured expert judgment to forecast invasions by Bighead and Silver Carp in Lake Erie. Conservation Biology doi: 10.1111/cobi12369.
  • Renshaw MA, Olds BP, Jerde CL, McVeigh MM, Lodge DM. 2014. The room temperature preservation of filtered environmental DNA samples and assimilation into a phenol-chloroform-isoamyl alcohol DNA extraction. Molecular Ecology Resources doi: 10.1111/1755-0998.12281.
  • Turner CR, Barnes MA, Xu CCY, Jones SE, Jerde CL, Lodge DM. 2014. Particle size distribution and optimal capture of aqueous macrobial eDNA. Methods in Ecology and Evolution 5(7): 676-684. Barnes MA, Jerde CL, Wittmann ME, Chadderton WL, Ding J, Zhang J, Purcell M, Budhathoki M, Lodge DM. 2014. Geographic selection bias of occurrence data influences transferability of invasive Hydrilla verticillata distribution models. Ecology and Evolution 4: 2584-2593.
  • Peters JA, Cooper MJ, Creque SM, Kornis MS, Maxted JT, Perry WL, Schueler FW, Simon TP, Taylor CA, Thoma RF, Uzarski DG, Lodge DM. 2014. Historical changes and current status of crayfish diversity and distribution in the Laurentian Great Lakes. Journal of Great Lakes Research 40: 35-46
  • Wittmann ME, Cooke RM, Rothlisberger JD, Lodge DM. 2014. Using structured expert judgment to assess invasive species prevention: Asian carp and the Mississippi-Great Lakes hydrologic connection. Environmental Science & Technology 48: 2150-2156.
  • Barnes MA, Turner CR, Jerde CL, Renshaw MA, Chadderton WL, Lodge DM. 2014. Environmental conditions influence eDNA persistence in aquatic systems. Environmental Science & Technology 48: 1819-1827.
  • Wittmann ME, Jerde CL, Howeth JG, Maher SP, Deines AM, Jenkins JA, Whitledge GW, Burbank SR, Chadderton WL, Mahon AR, Tyson JT, Gantz CA, Keller RP, Drake JM, Lodge DM. 2014. Grass carp in the Great Lakes region: establishment potential, expert perceptions, and re-evaluation of experimental evidence of ecological impact. Canadian Journal of Fisheries and Aquatic Sciences 71(7): 992-999
  • Peters JA, Lodge DM. 2013. Habitat, predation, and coexistence between invasive and native crayfishes: prioritizing lakes for invasion prevention. Biological Invasions 15: 2489-2502
  • Egan SP, Barnes MA, Hwang C, Mahon AR, Feder JL, Ruggiero ST, Tanner CE, Lodge DM. 2013. Rapid invasive species detection by combining environmental DNA with light transmission spectroscopy.Conservation Letters 6: 402-409.
  • Polando R, Dixit UG, Carter CR, Jones B, Whitcomb JP, Wibke Ballhorn W, Harintho M, Jerde CL, Wilson ME, McDowell MA. 2013. The roles of complement receptor 3 and FcΥ_ receptors during Leishmania phagosome maturation. Journal of Leukocyte Biology 93: 921-932.
  • Jerde CL, Chadderton WL, Mahon AR, Renshaw MR, Corush J, Budny ML, Mysorekar S, Lodge DM. 2013. Detection of Asian carp DNA as part of a Great Lakes basin-wide surveillance program. Canadian Journal of Fisheries and Aquatic Sciences 70: 522-526.
  • Morse JW, Baldridge AK, Sargent LW. 2013. Invasive crayfish Orconectes rusticus (Decapoda, Cambaridae) is a more effective predator of substrate nesting fish eggs than native crayfish (O. virilis). Crustaceana 86: 387-402.
  • Barnes MA, Jerde CL, Keller D, Chadderton WL, Howeth JG, Lodge DM. 2013. Viability of aquatic plant fragments following desiccativasive Plant Science and Management 6: 320-325.
  • Mahon AR, Jerde CL, Galaska M, Bergner JL, Chadderton WL, Lodge DM, Hunter ME, Nico LG. 2013. Validation of eDNA surveillance sensitivity for detection of Asian carps in controlled and field experiments. PLoS ONE 8: e58316.
  • Deines AM, Bee CA, Jensen R, Lodge DM. 2013. The potential tradeoff between artisanal fisheries and hydroelectricity generation on the Kafue River, Zambia. Freshwater Biology 58: 640-654.
Klarman Hall
200 Rice Hall
dml356@cornell.edu

Education

Ph.D., University of Oxford (1982)
B.S., The University of the South, Sewanee, Tennessee (1982)

Departments and programs

Links

Keywords

 

 

Conservation Biology, freshwater ecology, invasive species, risk analysis, environmental policy

 

 

Andre Kessler

Professor

Publications

Please see a current list of publications here.

Klarman Hall
E445 Corson Hall
ak357@cornell.edu

Education

Ph.D., Max Plank Institute for Chemical Ecology/University of Jena, Germany (2002)

M.A., University of Wurzburg, Germany (1988)

Departments and programs

Links

Keywords

Chemical ecology, plant-animal interactions, plant resistance, herbivory, plant behavioral ecology, insect herbivory, plant-pollinator interactions, plant secondary metabolism

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