Publications about Rare Species at Ft. Bragg


Cayton, H.L., Haddad, N.M., Henry, E.H., Himes Boor, G.K., Kiekebusch, E.M., Morris, W.F. and Aschehoug, E.T. (2023), Restoration success varies based on time since restoration in a disturbance-dependent ephemeral wetland ecosystem. Restoration Ecology 31: e13883 doi: 10.1111/rec.13883


Schultz, C. B., N. M. Haddad, E. H. Henry, and E. E. Crone. 2019. Movement and Demography of At-Risk Butterflies: Building Blocks for Conservation. Annual Review of Entomology 64:167-184 [view e-print] doi:10.1146/annurev-ento-011118-112204

Henry, E., E. Brammer-Robbins, E. Aschehoug, E. and N. Haddad. 2019. Do substitute species help or hinder endangered species management? Biological Conservation 232:127-130. [journal website]


Haddad N.M. 2018. Resurrection and resilience of the rarest butterflies. PLoS Biology 16(2): e2003488. doi:10.1371/journal.pbio.2003488  [open online]

Cayton, H., and N. Haddad. 2018. Water Availability Coincides with Population Declines for an Endangered Butterfly. Diversity 10:94. doi: 10.3390/d10030094 [open online]


Sivakoff, F. S., W. F. Morris, E. T. Aschehoug, B. R. Hudgens, and N. M. Haddad. 2016. Habitat restoration alters adult butterfly morphology and potential fecundity through effects on host plant quality. Ecosphere7(11):e01522.10.1002/ecs2.1522 [PDF reprint]


Aschehoug, E.T., F.S. Sivakoff, H.L. Cayton, W.F. Morris, and N.M. Haddad. 2015. Habitat restoration affects immature stages of a wetland butterfly through indirect effects on predation. Ecology 96:1761-1767. [PDF reprint]

Cayton, H., N.M. Haddad, B. Ball, E. Henry, and E. Aschehoug. 2015. Habitat restoration as a recovery tool for a disturbance-dependent butterfly, the endangered St. Francis’ Satyr.  Pages 147-159 in Daniels, J.C. (editor) Butterfly Conservation in North America.  [PDF reprint]

Haddad, N.M. 2015. Conservation and restoration for the endangered St. Francis’ Satyr. News of the Lepidopterists’ Society 57:33-35. [PDF reprint]


Breckheimer, I, N.M. Haddad, W.F. Morris, A.M. Trainor, W.R. Fields, R.T. Jobe, B.R. Hudgens, A. Moody, and J.R. Walters. 2014.  Defining and evaluating the umbrella species concept for conserving and restoring landscape connectivity. Conservation Biology 28:1584-1593. [PDF reprint]


Wilson, J.W., J.O. Sexton,  R.T. Jobe, and N.M. Haddad.  2013.  The relative contribution of terrain, land cover, and vegetation structure indices to species distribution models.  Biological Conservation 164:170–176. [PDF reprint]


Hudgens, B.R., W.F. Morris, N.M. Haddad. W. Fields, J. Wilson, D.C. Kuefler, and R.T. Jobe.  2012.  How complex do models need to be to predict dispersal of threatened species through matrix habitats?  Ecological Applications 22:1701-1710.  [PDF reprint]

Milko, L.V., N.M. Haddad, and S.L. Lance.  2012.  Dispersal via stream corridors structures populations of the endangered St. Francis’ satyr butterfly (Neonympha mitchellii francisci).  Journal of Insect Conservation 16:263-273.  [PDF reprint]


Kuefler, D., B. Hudgens, N.M. Haddad, W.F. Morris, and N. Thurgate. 2010.  The conflicting role of matrix habitats as conduits and barriers for dispersal.  Ecology 91:944-950. [PDF reprint]

Bartel, R.A., N.M. Haddad, J.P. Wright.  2010.  Ecosystem engineers maintain rare species and increase biodiversity.   Oikos 119:883-890.  [PDF reprint]


Bartel, R.A, and J.O. Sexton.  2009.  Monitoring habitat dynamics for rare and endangered species using satellite images and niche-based models.  Ecography 32:888-896.  [PDF reprint]


Haddad, N.M., B. Hudgens, C. Damiani, K. Gross, D. Kuefler, and K. Pollock.  2008.  Determining optimal monitoring for rare butterfly populations.  Conservation Biology 22:929-940.  [PDF reprint]

Kuefler, D., N.M. Haddad, S. Hall, B. Hudgens, B. Bartel, and E. Hoffman.  2008.  Distribution, population structure, and habitat use of the endangered St. Francis’ satyr butterfly, Neonympha mitchellii francisci.  American Midland Naturalist  159:298-320.  [PDF reprint]


Gross, K., E.J. Kalendra, B.R. Hudgens, and N.M. Haddad.  2007.  Robustness and uncertainty in estimates of butterfly abundance from transect counts.  Population Ecology 49:191-200.  [PDF reprint]


Kuefler, D. and N.M. Haddad.  2006.  Local versus landscape determinants of butterfly movement behaviors. Ecography 29:549-560. [PDF reprint]