Saunders, S., L. Ries, K. Oberhauser, W. Thogmartin, E. Zipkin. In press. Local and cross-seasonal effects of climate and land-use on migratory monarch butterflies. Ecography.

Ries, L., S.M. Murphy, G.M. Wimp, R.J. Fletcher. 2017. Closing persistent gaps in knowledge about edge ecology. Invited review in Current Landscape Ecology Reports 2:30-41.

Oberhauser, K., R. Wiederholt, J. E. Diffendorfer, D. Semmens, L. Ries, W. E. Thogmartin, L.A. Lopez‐Hoffman, B. Semmens. 2017. A trans‐national monarch butterfly population model and implications for regional conservation priorities. Ecological Entomology, 42(1), 51-60.


Schmucki R., Pe’er G., Roy D.B., Stefanescu C., van Swaay C.A.M., Oliver T.H., Kuussaari M., van Strien A.J., Ries L., Settele J., Musche M., Carnicer J., Schweiger O., Brereton T., Harpke A., Heliola J., Kuhn E., and R. Julliard. 2016. Regionally informed abundance index for supporting integrative analyses across butterfly monitoring schemes. Journal of Applied Ecology. 53:501-510.

Murphy, S.M., A.H. Battocletti, R.M. Tinghitella, G.M. Wimp, and L. Ries. 2016. Complex community and evolutionary responses to habitat fragmentation and habitat edges: what can we learn from insect science? Invited paper in Current Opinion in Insect Science 14:61-65.

Saunders, S.P., L. Ries, K.S. Oberhauser, and E.F. Zipkin. 2016. Evaluating confidence in population-level predictions from climate impacts: Summer abundances of the monarch butterfly. Global Ecology and Biogeography 25:1000-1012.

Thorson, J.T., J.N. Ianelli, E.A. Larsen, L. Ries, M.D. Scheuerell, C. Szuwalski, and E.F. Zipkin. 2016. Joint dynamic species distribution models: a tool for community ordination and spatio‐temporal monitoring. Global Ecology and Biogeography.


Oberhauser, K., L. Ries, S. Altizer, R. Betalden, J. Ekstrum, M. Garland, E. Howard, S. Jepsen, J. Lovett, M. Monroe, G. Morris, E. Rendon, R. RuBino, A. Ryan, C. Taylor, R. Trevino, F. Villablance, D. Walton. 2015. Citizen scientists and an iconic insect: 70 years and counting in (K. Oberhauser, ed.) Monarchs in a changing world: Biology and conservation of an iconic butterfly. Cornell University Press. Ithaca, NY.

Ries, L., K. Oberhauser, D. Taron, E. Rendon-Salinas. 2015. Connecting eastern monarch population dynamics across their migratory cycle. Invited book chapter in (K. Oberhauser, ed.) Monarchs in a changing world: Biology and conservation of an iconic butterfly. Cornell University Press. Ithaca, NY.

Taron, D. and L. Ries. 2015. Butterfly monitoring for Conservation. Invited book chapter in (J. Daniels, editor) Butterfly Conservation in North America. Springer Press.

Ries, L., E. Rendon and D. Taron. 2015. The disconnect between summer and winter monarch trends for the Eastern migratory population: possible links to differing drivers. Invited paper in Annals of the Entomological Society of America (Online early).

Cayton, H, N. Haddad, K. Gross, S. E. Diamond and L. Ries. 2015. Do growing degree days predict phenology across butterfly species? Ecology 96: 1473–1479

Ries, L. and K. Oberhauser. 2015. A Citizen-Army for Science: Quantifying the Contributions of Citizen Scientists to our Understanding of Monarch Butterfly Biology. Bioscience 65:419-430.


Diamond, S.E., H. Lessig*, T. Wepprich, C.N. Jenkins, R.R. Dunn, N.M. Haddad, and L. Ries. 2014. Unexpected phenological responses of butterflies to the interaction of urbanization and geographic temperature. Ecology 95:2613-2621.

Diffendorfer, J.E., J.B. Loomis, L. Ries, K. Oberhauser, L. Lopez-Hoffman, D. Semens, 79B. Semmens, B. Butterfield, K. Bagstad, J. Goldstein, R. Wiederholt, B. Mattsson, and W.E. Thogmartin. 2014. National valuation of monarch butterflies suggests incentive-based conservation strategies could be effective. Conservation Letters 7:253-262.


Butler, L.K., L. Ries, I.A. Bisson, T.J. Hayden, M.M. Wikelski, L.M. Romero. 2013. Opposite but analogous effects of road density on songbirds with contrasting habitat preferences. Animal Conservation 16:77-85


Fagan, W. F. and L. Ries. 2012. Edge effects. Berkshire Encyclopedia of Sustainability, Vol. 5: Ecosystem Management and Sustainability. Pp. 118-124.

Zipkin, E. F., L. Ries, R. Reeves, J. Regetz and K. S. Oberhauser. 2012. Tracking climate impacts on the migratory monarch butterfly. Global Change Biology 18:3039-3049

Full article: PDF icon Zipkin et al 2012.pdf (298.77 KB)
Related article: PDF icon Ries et al 2004 AnnReview.pdf (436.36 KB)

Soykan, C.U., L.A. Brand, L. Ries, J.C. Stromberg, C.Hass, D.A.Simmons, Jr., W.J.D. Patterson, J.L. Sabo. 2012. Multitaxonomic diversity patterns along a desert riparian–upland gradient. PLoS ONE 7(1):e28235


Wimp, G.M., S.M. Murphy, D. Lewis, L. Ries. 2011. Do edge responses cascade up or down a multi-trophic food web? Ecology Letters 14:863-870

Koenig, W. D., L. Ries, V.B.K. Olsen*, and A. M. Liebhold. 2011. Avian predators are less abundant during periodical cicada emergences, but why? Ecology 92:784-790.


Ries, L. and T. D. Sisk. 2010. What is an 'edge species'? The implications of sensitivity to habitat edges. Oikos 119:1636-1642.


Hannon*, L., L. Ries and K. S. Williams. 2009. Invertebrates of the San Pedro River. Invited book chapter in (J. Stromberg & B. Tellman, eds.) Ecology and Conservation of the San Pedro River. Island Press.


Ries, L. & S. P. Mullen. 2008. A rare model limits the distribution of its more common mimic: a twist on frequency-dependent Batesian mimicry. Evolution 62:1798-1803.

Calabrese*, J. M., L. Ries, S. F. Matter, D. M. Debinski, J. N. Auckland, J. Roland and W. F. Fagan. 2008. Reproductive asynchrony in natural butterfly populations and its consequences for female matelessness. Journal of Animal Ecology 77:746-756.

Ries, L. and T. D. Sisk. 2008. Butterfly responses to habitat edges are predicted by a simple model in a complex landscape. Oecologia 156:75-86.


Fletcher Jr., R. J., L. Ries, J. Battin and A. D. Chalfoun. 2007. The role of habitat area and edge in fragmented landscapes: definitively distinct or inevitably intertwined? Canadian Journal of Zoology 85: 1017-1030.


Ries, L., R. J. Fletcher, J. Battin, and T. D. Sisk. 2004. Ecological responses to habitat edges: mechanisms, models and variability explained. Annual Review of Ecology, Evolution and Systematics 35:491-522.

Ries, L. and T. D. Sisk. 2004. A predictive model of edge effects. Ecology 85:2917-2926.


Ries, L. and W. F. Fagan. 2003. Habitat edges as a potential ecological trap for an insect predator. Ecological Entomology 28:567-572.


Ries, L., D. M. Debinski, and M. L. Wieland*. 2001. Conservation value of roadside prairie restoration to butterfly communities. Conservation Biology 15: 401-411.

Ries, L. and D. M. Debinski. 2001. Butterfly responses to habitat edges in the highly fragmented prairies of central Iowa. Journal of Animal Ecology 70: 840-852.