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one cause o the higher predation rates 1S'_ fragmented gram for the analysis e.` scvera: survival or recovers•
<br /> iandscapes and along habitat edges. Technticai:zoom 2=. Fisr,and Wildlife Service.Laurel,
<br /> While likciy to be controvetsia:. this proposition a: Hobby R;.• and; ruennexe. 199'_.Dsturoance.divernry,and
<br /> stun_;imputations fcr cotsen�tion.Conservation Biology ti 324_3
<br /> least appears feasible, and we hope our results will stun Hucchutsor.. T ant,. vanxat. 199-. invisibility and egg
<br /> uiate critical research ir. this area. I: invasive, exotic Amur honeysuckle in southwestern Ohio forests. Conservation
<br /> shrubs are shown to increase nest Dredation Ln Other set- ologv 11.111--1124.
<br /> tings. restoring native, fruit-producing shrub species !tea• F. C., C. E. McCulloch. and D. A. Wiedenfeld. 1996, New
<br /> ri .
<br /> could accomplish several conservation goals simulta preaches to the analyses of population trends in land birds.
<br /> ogy T:1;_2-
<br /> neously by enhancing native plan: species nchness and Lam,S.C., and Mi. E. Mrz. 1997.Population limitation in Nectto
<br /> songbird nes: success• while concornitantt'maintaining migrarory birds:comments on Rappoie and McDonald(1994).Auk
<br /> fruit resources nece55ary for migrurht fa: deposition. 114:75-1--,62.
<br /> Luken,J. C..and J. W Thicm,. 1996.Amur honeysuckle, its fall fiDm`
<br /> grace.BioScience 46:18-24. a
<br /> Martin. T. E. 1998. Are micronabitar preferences of coe:cisting bind
<br /> Aeknowled.gnents species under selection and adaptive?Ecoiogy 79-656-670.
<br /> Martin,T. E.,and J. R. Roper. 1988. Nest preaation and nest-site seiec_,
<br /> We thank S. Dilger and others for their dedicated field tion of a western population of the HermitThtush.Condor 90:51_97 s
<br /> Mayfield, H. F. 1915.Suggesuons for caiculating nest success.Wilson
<br /> work. We especially thank S. Robinson, who urged us to
<br /> Bulletin 8. 456-466.
<br /> conduct the analysis. C. Jones. G. Levin, B. Molano- Mills,G.S.,J.B.Dunning Jr.,and K.M.Bates.1989.Effects of urbanize-
<br /> Flores, R. Ostfeid. N1. Rudolph. and E. Ulazek com- Lion on breeding bird community structure in southwestern desert'!
<br /> mented usefully on the manuscript. We are most grate- habitats. Condor 91:428-46 1.
<br /> ful to G. Ware and C. Dunn of The Morton Arboretum Rappole,J. F.,and M. V. McDonald. 1994.Cause and effect in poptla-
<br /> Lion declines of migratory birds.Auk 111:652-660.
<br /> for facilitating our research. This research was sup
<br /> Robinson, S. K.,F.R.Thompson RI,T. M.Donovan,D.R.Whitehead.
<br /> ported by a National Science Foundation Dissertation and J.Faaborg. 1995.Regional forest fragmentation and the nesting
<br /> Improvement Grant(K.A.S.)and the Ernily Rodgers Davis success of migratory birds.Science 267:1987-1990.
<br /> Chair Endowment to The Morton Arboretum (C.J.W.). Schmidt. K. A. 1999. Foraging theory as a conceptual framework for
<br /> studying nest predation.Oikos 85:151-160.
<br /> Schmidt,K.A.,and C.J.Whelan. 1998. Predator-mediated interactions
<br /> Literature Cited berwecn and within guilds of nesting songbirds:experimental and
<br /> observational evidence.American Naturalist 152:393-402.
<br /> Askins. R.A.,J. F.Lynch-and R.Greenberg. 1990. Population declines Trisel.D. E..and D.L Gorchov. 1994.Regional distribution,ecological
<br /> in migratory birds in eastern North America. Current Ornithology impact, and leaf phonology of the invasive shrub Lonicem
<br /> 7:1-5 7. rnaackii. Bulletin of the Ecological Society of America 75:231.
<br /> Gates,J. E..and L W.Gyscl. 1978.Avian nest dispersion and fledgling van Home, B. 1983• Density as a misleading indicator of habitat qua4
<br /> success in field-forest ccotones.Ecology 59:871-883• iry.Journal of Wildlife Management 47:893-901.
<br /> Germaine,S.S.. S.S. Roscristock. R. E.Schweinsberg,and W. S. Rich- Whelan, C. J., and M. L. Dilger. 1992. Invasive, exotic shrubs: a
<br /> ardson. 1998.Relationships among breeding birds,habitat,and res- paradox for natural area managers? Naturai Areas Journal 12:109-
<br /> idential development in greater Tucson,Arizona. Ecological Appli- 110.
<br /> cations 8:680-691. Whelan,C.J.,and M.L.Dilger. 1995.Exotic invasive shrubs:a paradox
<br /> Hines,J. E.,and J.R. Sauer. 1989. Program COM17RAST:a general pro- revisited.Natural Areas Journal 15.296.
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