Publications about Rare Species at Ft. Bragg


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]