Eric C. Hellgren - Publications

Affiliations: 
Zoology Southern Illinois University at Carbondale, Carbondale, IL 
Area:
Ecology Biology, Zoology Biology, Computer Science

87 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2018 Ramakrishnan S, Wolf AJ, Hellgren EC, Moody RW, Bogosian V. Diet Selection by a Lizard Ant-Specialist in an Urban System Bereft of Preferred Prey Journal of Herpetology. 52: 79-85. DOI: 10.1670/16-072  0.759
2016 Van Der Merwi J, Hellgren EC, Schauber EM, Peters DPC. Variation in metapopulation dynamics of a wetland mammal: The effect of hydrology Ecosphere. 7. DOI: 10.1002/Ecs2.1275  0.373
2015 Cooney SA, Schauber EM, Hellgren EC. Ranging behavior of marsh rice rats in a southern Illinois wetland complex Journal of Mammalogy. 96: 732-741. DOI: 10.1093/Jmammal/Gyv069  0.348
2015 Smith JB, Nielsen CK, Hellgren EC. Suitable habitat for recolonizing large carnivores in the midwestern USA Oryx. DOI: 10.1017/S0030605314001227  0.313
2015 Lesmeister DB, Nielsen CK, Schauber EM, Hellgren EC. Spatial and temporal structure of a mesocarnivore guild in midwestern north America Wildlife Monographs. 191: 1-61. DOI: 10.1002/Wmon.1015  0.403
2014 Limb RF, Engle DM, Alford AL, Hellgren EC. Plant community response following removal of Juniperus virginiana from tallgrass prairie: Testing for restoration limitations Rangeland Ecology and Management. 67: 397-405. DOI: 10.2111/Rem-D-13-00147.1  0.726
2014 Wolf AJ, Hellgren EC, Schauber EM, Bogosian V, Kazmaier RT, Ruthven DC, Moody RW. Variation in vital-rate sensitivity between populations of Texas horned lizards Population Ecology. 56: 619-631. DOI: 10.1007/S10144-014-0450-5  0.756
2014 Smith JB, Nielsen CK, Hellgren EC. Illinois resident attitudes toward recolonizing large carnivores Journal of Wildlife Management. 78: 930-943. DOI: 10.1002/Jwmg.718  0.403
2013 Wolf AJ, Hellgren EC, Bogosian V, Moody RW. Effects of habitat disturbance on Texas Horned Lizards: An urban case study Herpetologica. 69: 265-281. DOI: 10.1655/Herpetologica-D-12-00062.1  0.773
2013 Gillen CA, Hellgren EC. Effects of forest composition on trophic relationships among mast production and mammals in central hardwood forest Journal of Mammalogy. 94: 417-426. DOI: 10.1644/12-Mamm-A-138.1  0.409
2012 Alford AL, Hellgren EC, Limb R, Engle DM. Experimental tree removal in tallgrass prairie: variable responses of flora and fauna along a woody cover gradient. Ecological Applications : a Publication of the Ecological Society of America. 22: 947-58. PMID 22645823 DOI: 10.1890/10-1288.1  0.733
2012 Bogosian V, Hellgren EC, Moody RW. Assemblages of amphibians, reptiles, and mammals on an urban military base in Oklahoma Southwestern Naturalist. 57: 277-284. DOI: 10.1894/0038-4909-57.3.277  0.752
2012 Bogosian V, Hellgren EC, Sears MW, Moody RW. High-resolution niche models via a correlative approach: Comparing and combining correlative and process-based information Ecological Modelling. 237: 63-73. DOI: 10.1016/J.Ecolmodel.2012.04.017  0.732
2012 Croteau EK, Heist EJ, Nielsen CK, Hutchinson JR, Hellgren EC. Microsatellites and mitochondrial DNA reveal regional population structure in bobcats (Lynx rufus) of North America Conservation Genetics. 13: 1637-1651. DOI: 10.1007/S10592-012-0416-0  0.345
2011 Hellgren EC, Polnaszek TJ. Survival, habitat selection, and body condition of the woodchuck (Marmota monax) across an urban-rural gradient American Midland Naturalist. 165: 150-161. DOI: 10.1674/0003-0031-165.1.150  0.41
2011 Eubanks BW, Hellgren EC, Nawrot JR, Bluett RD. Habitat associations of the marsh rice rat (Oryzomys palustris) in freshwater wetlands of southern Illinois Journal of Mammalogy. 92: 552-560. DOI: 10.1644/10-Mamm-A-289.1  0.383
2011 Onorato DP, Criffield M, Lotz M, Cunningham M, Mcbride R, Leone EH, Bass OL, Hellgren EC. Habitat selection by critically endangered Florida panthers across the diel period: Implications for land management and conservation Animal Conservation. 14: 196-205. DOI: 10.1111/J.1469-1795.2010.00415.X  0.421
2010 Cooper JD, Vitalis R, Waser PM, Gopurenko D, Hellgren EC, Gabor TM, DeWoody JA. Quantifying male-biased dispersal among social groups in the collared peccary (Pecari tajacu) using analyses based on mtDNA variation. Heredity. 104: 79-87. PMID 19639005 DOI: 10.1038/Hdy.2009.102  0.332
2010 Criffield MA, Hellgren EC, Leslie DM. Density estimation and survey validation for swift fox Vulpes velox in Oklahoma Acta Theriologica. 55: 53-60. DOI: 10.4098/J.At.0001-7051.022.2009  0.383
2010 Hellgren EC, Burrow AL, Kazmaier RT, Ruthven DC. The effects of winter burning and grazing on resources and survival of texas horned lizards in a thornscrub ecosystem Journal of Wildlife Management. 74: 300-309. DOI: 10.2193/2009-090  0.426
2010 Limb RF, Engle DM, Alford AL, Hellgren EC. Tallgrass prairie plant community dynamics along a canopy cover gradient of eastern redcedar (Juniperus virginiana L.) Rangeland Ecology and Management. 63: 638-644. DOI: 10.2111/Rem-D-09-00056.1  0.744
2010 Cooper JD, Waser PM, Gopurenko D, Hellgren EC, Gabor TM, Dewoody JA. Measuring sex-biased dispersal in social mammals: Comparisons of nuclear and mitochondrial genes in collared peccaries Journal of Mammalogy. 91: 1413-1424. DOI: 10.1644/09-Mamm-A-313.1  0.354
2010 Walter WD, Leslie DM, Hellgren EC, Engle DM. Identification of subpopulations of North American elk (Cervus elaphus L.) using multiple lines of evidence: Habitat use, dietary choice, and fecal stable isotopes Ecological Research. 25: 789-800. DOI: 10.1007/S11284-010-0709-Z  0.45
2009 Criffield MA, Reichard MV, Hellgren EC, Leslie DM, Freel K. Parasites of Swift Foxes (Vulpes velox) in the Oklahoma Panhandle Southwestern Naturalist. 54: 492-498. DOI: 10.1894/Md-13.1  0.301
2009 Van Den Bussche RA, Lack JB, Onorato DP, Gardner-Santana LC, McKinney BR, Villalobos JD, Chamberlain MJ, White D, Hellgren EC. Mitochondrial DNA phylogeography of black bears (Ursus americanus) in central and southern north America: Conservation implications Journal of Mammalogy. 90: 1075-1082. DOI: 10.1644/08-Mamm-A-276.1  0.347
2008 Wack CL, Fox SF, Hellgren EC, Lovern MB. Effects of sex, age, and season on plasma steroids in free-ranging Texas horned lizards (Phrynosoma cornutum) General and Comparative Endocrinology. 155: 589-596. PMID 18048031 DOI: 10.1016/J.Ygcen.2007.10.005  0.338
2008 Disney MR, Hellgren EC, Davis CA, Leslie DM, Engle DM. Relative abundance of mesopredators and size of oak patches in the cross-timbers ecoregion Southwestern Naturalist. 53: 214-223. DOI: 10.1894/0038-4909(2008)53[214:Raomas]2.0.Co;2  0.412
2007 Hellgren EC, Bales SL, Gregory MS, Leslie DM, Clark JD. Testing a Mahalanobis distance model of black bear habitat use in the Ouachita Mountains of Oklahoma Journal of Wildlife Management. 71: 924-928. DOI: 10.2193/2006-031  0.347
2007 Endriss DA, Hellgren EC, Fox SF, Moody RW. Demography of an urban population of the Texas horned lizard (Phrynosoma cornutum) in Central Oklahoma Herpetologica. 63: 320-331. DOI: 10.1655/0018-0831(2007)63[320:Doaupo]2.0.Co;2  0.405
2007 Ilse LM, Hellgren EC. Indirect interactions among dendrophages: Porcupines predispose pinyon pines to bark beetle attack Forest Ecology and Management. 242: 217-226. DOI: 10.1016/J.Foreco.2007.01.035  0.384
2007 Onorato DP, Hellgren EC, Van Den Bussche RA, Doan-Crider DL, Skiles JR. Genetic structure of American black bears in the desert southwest of North America: Conservation implications for recolonization Conservation Genetics. 8: 565-576. DOI: 10.1007/S10592-006-9192-Z  0.369
2005 Clark JE, Hellgren EC, Parsons JL, Jorgensen EE, Engle DM, Leslie DM. Nitrogen outputs from fecal and urine deposition of small mammals: implications for nitrogen cycling. Oecologia. 144: 447-55. PMID 15942760 DOI: 10.1007/S00442-005-0004-9  0.335
2005 Mitchell FS, Onorato DP, Hellgren EC, Skiles JR, Harveson LA. Winter ecology of American black bears in a desert montane island Wildlife Society Bulletin. 33: 164-171. DOI: 10.2193/0091-7648(2005)33[164:Weoabb]2.0.Co;2  0.38
2005 Bales SL, Hellgren EC, Leslie DM, Hemphill J. Dynamics of a recolonizing population of black bears in the Ouachita Mountains of Oklahoma Wildlife Society Bulletin. 33: 1342-1351. DOI: 10.2193/0091-7648(2005)33[1342:Doarpo]2.0.Co;2  0.421
2005 Clark JE, Hellgren EC, Jorgensen EE, Leslie DM. Population dynamics of harvest mice (Reithrodontomys fulvescens and R. montanus) across a nitrogen-amended old field American Midland Naturalist. 154: 240-252. DOI: 10.1674/0003-0031(2005)154[0240:Pdohmr]2.0.Co;2  0.329
2005 Moeller BA, Hellgren EC, Ruthven DC, Kazmaier RT, Synatzske DR. Temporal differences in activity patterns of male and female Texas Horned Lizards (Phrynosoma cornutum) in southern Texas Journal of Herpetology. 39: 336-339. DOI: 10.1670/0022-1511(2005)039[0336:Tdiapo]2.0.Co;2  0.392
2005 Horncastle VJ, Hellgren EC, Mayer PM, Ganguli AC, Engle DM, Leslie DM. Implications of invasion by Juniperus virginiana on small mammals in the southern Great Plains Journal of Mammalogy. 86: 1144-1155. DOI: 10.1644/05-Mamm-A-015R1.1  0.43
2005 Parsons JL, Hellgren EC, Jorgensen EE, Leslie DM. Neonatal growth and survival of rodents in response to variation in maternal dietary nitrogen: Life history strategy vs dietary niche Oikos. 110: 297-308. DOI: 10.1111/J.0030-1299.2005.13610.X  0.408
2005 Hellgren EC, Onorato DP, Skiles JR. Dynamics of a black bear population within a desert metapopulation Biological Conservation. 122: 131-140. DOI: 10.1016/J.Biocon.2004.07.007  0.398
2004 Harveson LA, Guthery FS, Hellgren EC. Invertebrate consumption by breeding Northern bobwhites and its relation to production Southwestern Naturalist. 49: 472-477. DOI: 10.1894/0038-4909(2004)049<0472:Icbbnb>2.0.Co;2  0.354
2004 Horncastle VJ, Hellgren EC, Mayer PM, Engle DM, Leslie DM. Differential consumption of eastern red cedar (Juniperus virginiana) by avian and mammalian guilds: Implications for tree invasion American Midland Naturalist. 152: 255-267. DOI: 10.1674/0003-0031(2004)152[0255:Dcoerc]2.0.Co;2  0.439
2004 Kasparian MA, Hellgren EC, Ginger SM, Levesque LP, Clark JE, Winkelman DL, Engle DM. Population Characteristics of Virginia Opossum in the Cross Timbers during Raccoon Reduction American Midland Naturalist. 151: 154-163. DOI: 10.1674/0003-0031(2004)151[0154:Pcovoi]2.0.Co;2  0.444
2004 Onorato DP, Hellgren EC, Van Den Bussche RA, Doan-Crider DL. Phylogeographic patterns within a metapopulation of black bears (Ursus americanus) in the American southwest Journal of Mammalogy. 85: 140-147. DOI: 10.1644/1545-1542(2004)085<0140:Ppwamo>2.0.Co;2  0.395
2004 Onorato DP, Hellgren EC, Van Den Bussche RA, Skiles JR. Paternity and relatedness of American black bears recolonizing a desert montane island Canadian Journal of Zoology. 82: 1201-1210. DOI: 10.1139/Z04-097  0.356
2003 Woods HA, Hellgren EC. Seasonal changes in the physiology of male Virginia opossums (Didelphis virginiana): signs of the Dasyurid semelparity syndrome? Physiological and Biochemical Zoology : Pbz. 76: 406-17. PMID 12905127 DOI: 10.1086/374285  0.351
2003 Clark JE, Hellgren EC, Jorgensen EE. Catastrophic Decline of a High-Density Population of Hispid Cotton Rats (Sigmodon Hispidus) in Central Oklahoma Southwestern Naturalist. 48: 467-471. DOI: 10.1894/0038-4909(2003)048<0467:Cdoahp>2.0.Co;2  0.327
2003 Ginger SM, Hellgren EC, Kasparian MA, Levesque LP, Engle DM, Leslie DM. Niche shift by Virginia opossum following reduction of a putative competitor, the raccoon Journal of Mammalogy. 84: 1279-1291. DOI: 10.1644/103  0.46
2003 Clark JE, Hellgren EC, Jorgensen EE, Tunnell SJ, Engle DM, Leslie DM. Population dynamics of hispid cotton rats (Sigmodon hispidus) across a nitrogen-amended landscape Canadian Journal of Zoology. 81: 994-1003. DOI: 10.1139/Z03-084  0.399
2003 Onorato DP, Hellgren EC, Mitchell FS, Skiles JR. Home range and habitat use of American black bears on a desert Montane Island in Texas Ursus. 14: 120-129.  0.343
2001 Gabor TM, Hellgren EC, Silvy NJ. Multi-scale habitat partitioning in sympatric suiforms Journal of Wildlife Management. 65: 99-110. DOI: 10.2307/3803281  0.442
2001 Kazmaier RT, Hellgren EC, Ruthven DC. Habitat selection by the Texas tortoise in a managed thornscrub ecosystem Journal of Wildlife Management. 65: 653-660. DOI: 10.2307/3803016  0.434
2001 Burrow AL, Kazmaier RT, Hellgren EC, Ruthven DC. Microhabitat selection by Texas horned lizards in southern Texas Journal of Wildlife Management. 65: 645-652. DOI: 10.2307/3803015  0.432
2001 Kazmaier RT, Hellgren EC, Synatzske DR, Rutledge JC. Mark-recapture analysis of population parameters in a Texas tortoise (Gopherus berlandieri) population in Southern Texas Journal of Herpetology. 35: 410-417. DOI: 10.2307/1565959  0.434
2001 Ilse LM, Hellgren EC. Demographic and behavioral characteristics of North American porcupines (Erethizon dorsatum) in pinyon-juniper woodlands of Texas American Midland Naturalist. 146: 329-338. DOI: 10.1674/0003-0031(2001)146[0329:Dabcon]2.0.Co;2  0.385
2001 Kazmaier RT, Hellgren EC, Ruthven DC, Synatzske DR. Effects of grazing on the demography and growth of the Texas tortoise Conservation Biology. 15: 1091-1101. DOI: 10.1046/J.1523-1739.2001.0150041091.X  0.471
2001 Fulbright TE, Frank Robbins W, Hellgren EC, DeYoung RW, Humphreys ID. Lack of diet partitioning by sex in reintroduced desert bighorn sheep Journal of Arid Environments. 48: 49-57. DOI: 10.1006/Jare.2000.0738  0.387
2000 Gabor TM, Hellgren EC. Variation in peccary populations: Landscape composition or competition by an invader? Ecology. 81: 2509-2524. DOI: 10.1890/0012-9658(2000)081[2509:Vipplc]2.0.Co;2  0.475
2000 Hellgren EC, Kazmaier RT, Ruthven DC, Synatzske DR. Variation in tortoise life history: Demography of Gopherus berlandieri Ecology. 81: 1297-1310. DOI: 10.1890/0012-9658(2000)081[1297:Vitlhd]2.0.Co;2  0.388
2000 Deyoung RW, Hellgren EC, Fulbright TE, Robbins WF, Humphreys ID, Krausman PR. Modelling nutritional carrying capacity for translocated desert bighorn sheep in Western Texas Restoration Ecology. 8: 57-65. DOI: 10.1046/J.1526-100X.2000.80066.X  0.415
1999 James JB, Hellgren EC, Masters RE. Effects of deterrents on avian abundance and nesting density in electrical substations in Oklahoma Journal of Wildlife Management. 63: 1009-1017. DOI: 10.2307/3802816  0.353
1999 Gabor TM, Hellgren EC, Van Den Bussche RA, Silvy NJ. Demography, sociospatial behaviour and genetics of feral pigs (Sus scrofa) in a semi-arid environment Journal of Zoology. 247: 311-322. DOI: 10.1111/J.1469-7998.1999.Tb00994.X  0.328
1999 Hellgren EC, Maehr DS. Habitat fragmentation and black bears in the eastern United States Ncasi Technical Bulletin. 230-231.  0.324
1998 Taylor RB, Hellgren EC, Gabor TM, Ilse LM. Reproduction of feral pigs in Southern Texas Journal of Mammalogy. 79: 1325-1331. DOI: 10.2307/1383024  0.414
1997 Hellgren EC, Pitts WJ. Sodium economy in white-tailed deer (Odocoileus virginianus). Physiological Zoology. 70: 547-55. PMID 9279921 DOI: 10.1086/515861  0.33
1997 Asleson MA, Hellgren EC, Varner LW. Effects of seasonal protein restriction on antlerogenesis and body mass in adult male white-tailed deer Journal of Wildlife Management. 61: 1098-1107. DOI: 10.2307/3802107  0.309
1997 Hellgren EC, Maehr DS, Doan-Crider DL. Serum chemistry of southern populations of black bears (Ursus americanus) American Midland Naturalist. 137: 95-105. DOI: 10.2307/2426758  0.396
1997 Gabor TM, Hellgren EC, Silvy NJ. Renal morphology of sympatric suiforms: Implications for competition Journal of Mammalogy. 78: 1089-1095. DOI: 10.2307/1383051  0.31
1996 Doan-Crider DL, Hellgren EC. Population characteristics and winter ecology of black bears in Coahuila, Mexico Journal of Wildlife Management. 60: 398-407. DOI: 10.2307/3802242  0.337
1996 Delgiudice GD, Asleson MA, Varner L, Hellgren EC, Riggs MR. Creatinine ratios in random sampled and 24-hour urines of white-tailed deer Journal of Wildlife Management. 60: 381-387. DOI: 10.2307/3802239  0.301
1995 Hellgren EC, Synatzske DR, Oldenburg PW, Guthery FS. Demography of a collared peccary population in south Texas Journal of Wildlife Management. 59: 153-163. DOI: 10.2307/3809128  0.391
1995 Ilse LM, Hellgren EC. Resource partitionining in sympatric populations of collared peccaries and feral hogs in southern Texas Journal of Mammalogy. 76: 784-799. DOI: 10.2307/1382747  0.466
1995 Ilse LM, Hellgren EC. Spatial use and group dynamics of sympatric collared peccaries and feral hogs in southern Texas Journal of Mammalogy. 76: 993-1002. DOI: 10.2307/1382593  0.4
1994 Ruthven DC, Hellgren EC, Beasom SL. Effects of root plowing on white-tailed deer condition, population status, and diet Journal of Wildlife Management. 58: 59-70. DOI: 10.2307/3809549  0.414
1994 Garshelis DL, Hellgren EC. Variation in reproductive biology of male black bears Journal of Mammalogy. 75: 175-188. DOI: 10.2307/1382249  0.377
1993 Hellgren EC. Status, Distribution, and Summer Food Habits of Black Bears in Big Bend National Park Southwestern Naturalist. 38: 77. DOI: 10.2307/3671651  0.422
1993 Grasman BT, Hellgren EC. Phosphorus nutrition in white-tailed deer: Nutrient balance, physiological responses, and antler growth Ecology. 74: 2279-2296. DOI: 10.2307/1939581  0.354
1993 Hellgren EC, Rogers LL, Seal US. Serum Chemistry and Hematology of Black Bears: Physiological Indices of Habitat Quality or Seasonal Patterns? Journal of Mammalogy. 74: 304-315. DOI: 10.2307/1382385  0.363
1993 Knick ST, Hellgren EC, Seal US. Hematologic, biochemical, and endocrine characteristics of bobcats during a prey decline in southeastern Idaho Canadian Journal of Zoology. 71: 1448-1453. DOI: 10.1139/Z93-200  0.308
1991 Hellgren EC, Vaughan MR, Stauffer DF. Macrohabitat use by black bears in a southeastern wetland Journal of Wildlife Management. 55: 442-448. DOI: 10.2307/3808972  0.365
1989 Hellgren EC, Lochmiller RL, Amoss MS, Seager SW, Magyar SJ, Coscarelli KP, Grant WE. Seasonal variation in serum testosterone, testicular measurements and semen characteristics in the collared peccary (Tayassu tajacu). Journal of Reproduction and Fertility. 85: 677-86. PMID 2704003 DOI: 10.1530/Jrf.0.0850677  0.321
1989 Hellgren EC, Vaughan MR. Demographic analysis of a black bear population in the Great Dismal Swamp Journal of Wildlife Management. 53: 969-977. DOI: 10.2307/3809597  0.428
1989 Hellgren EC, Vaughan MR. Denning ecology of black bears in a southeastern wetland Journal of Wildlife Management. 53: 347-353. DOI: 10.2307/3801136  0.365
1989 Hellgren EC, Vaughan MR, Kirkpatrick RL. Seasonal patterns in physiology and nutrition of black bears in Great Dismal Swamp, Virginia-North Carolina Canadian Journal of Zoology. 67: 1837-1850. DOI: 10.1139/Z89-262  0.367
1987 LOCHMILLER RL, HELLGREN EC, GRANT WE. Influence of moderate nutritional stress during gestation on reproduction of Collared peccaries (Tayassu tajacu) Journal of Zoology. 211: 321-328. DOI: 10.1111/J.1469-7998.1987.Tb01537.X  0.3
1985 Lochmiller RL, Hellgren EC, Varner LW, Greene LW, Amoss MS, Seager SW, Grant WE. Physiological responses of the adult male collared peccary, Tayassu tajacu (Tayassuidae), to severe dietary restriction. Comparative Biochemistry and Physiology. a, Comparative Physiology. 82: 49-58. PMID 2864211 DOI: 10.1016/0300-9629(85)90703-0  0.305
1985 Lochmiller RL, Hellgren EC, Grant WE, Greene LW, Dill CW. Description of collared peccary (Tayassu tajacu) milk composition Zoo Biology. 4: 375-379. DOI: 10.1002/Zoo.1430040408  0.303
1984 Hellgren EC, Lochmiller RL, Grant WE. Demographic, morphologic and reproductive status of a herd of collared peccaries ( Tayassu tajacu) in South Texas American Midland Naturalist. 112: 402-407. DOI: 10.2307/2425446  0.326
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