Eric C. Hellgren

5.1k total citations · 1 hit paper
152 papers, 3.8k citations indexed

About

Eric C. Hellgren is a scholar working on Ecology, Nature and Landscape Conservation and Genetics. According to data from OpenAlex, Eric C. Hellgren has authored 152 papers receiving a total of 3.8k indexed citations (citations by other indexed papers that have themselves been cited), including 108 papers in Ecology, 33 papers in Nature and Landscape Conservation and 29 papers in Genetics. Recurrent topics in Eric C. Hellgren's work include Wildlife Ecology and Conservation (87 papers), Rangeland and Wildlife Management (31 papers) and Genetic and phenotypic traits in livestock (23 papers). Eric C. Hellgren is often cited by papers focused on Wildlife Ecology and Conservation (87 papers), Rangeland and Wildlife Management (31 papers) and Genetic and phenotypic traits in livestock (23 papers). Eric C. Hellgren collaborates with scholars based in United States, Australia and Mexico. Eric C. Hellgren's co-authors include Charles T. Robbins, Michael R. Vaughan, Timothy M. Gabor, Clayton K. Nielsen, Donald C. Ruthven, Robert L. Lochmiller, Eric M. Schauber, David M. Engle, David P. Onorato and William E. Grant and has published in prestigious journals such as SHILAP Revista de lepidopterología, PLoS ONE and Ecology.

In The Last Decade

Eric C. Hellgren

149 papers receiving 3.3k citations

Hit Papers

Wildlife Feeding and Nutrition 1994 2026 2004 2015 1994 100 200 300 400 500
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Wildlife Feeding and Nutrition
    1994 502 citations Eric C. Hellgren et al. Journal of Wildlife Management profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Eric C. Hellgren United States 34 2.9k 700 659 629 563 152 3.8k
Rudi J. van Aarde South Africa 40 3.3k 1.2× 1.1k 1.5× 654 1.0× 764 1.2× 559 1.0× 167 4.5k
Karl V. Miller United States 34 2.5k 0.9× 800 1.1× 839 1.3× 371 0.6× 491 0.9× 200 4.2k
Leif Egil Loe Norway 39 3.5k 1.2× 803 1.1× 779 1.2× 531 0.8× 596 1.1× 105 4.4k
Rolf Langvatn Norway 45 5.0k 1.8× 1.1k 1.6× 1.0k 1.5× 1.4k 2.2× 948 1.7× 82 6.2k
Roger P. Pech Australia 35 3.5k 1.2× 1.5k 2.1× 645 1.0× 739 1.2× 266 0.5× 101 4.4k
Michael P. Gillingham Canada 27 2.5k 0.9× 641 0.9× 338 0.5× 415 0.7× 380 0.7× 73 3.0k
Audun Stien Norway 37 2.7k 0.9× 470 0.7× 424 0.6× 464 0.7× 526 0.9× 101 3.8k
Jos M. Milner Norway 26 2.0k 0.7× 526 0.8× 459 0.7× 531 0.8× 437 0.8× 40 2.5k
R. J. Putman United Kingdom 31 2.8k 1.0× 963 1.4× 324 0.5× 527 0.8× 416 0.7× 65 3.6k
Erling J. Solberg Norway 44 4.6k 1.6× 1.3k 1.8× 894 1.4× 1.1k 1.8× 736 1.3× 150 5.7k

Countries citing papers authored by Eric C. Hellgren

Since Specialization
Citations

This map shows the geographic impact of Eric C. Hellgren's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Eric C. Hellgren with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Eric C. Hellgren more than expected).

Fields of papers citing papers by Eric C. Hellgren

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Eric C. Hellgren. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Eric C. Hellgren. The network helps show where Eric C. Hellgren may publish in the future.

Co-authorship network of co-authors of Eric C. Hellgren

This figure shows the co-authorship network connecting the top 25 collaborators of Eric C. Hellgren. A scholar is included among the top collaborators of Eric C. Hellgren based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Eric C. Hellgren. Eric C. Hellgren is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Hellgren, Eric C., et al.. (2022). Shrub encroachment threatens persistence of an endemic insular wetland rodent. Journal of Mammalogy. 103(5). 1182–1193. 3 indexed citations
2.
Schauber, Eric M., et al.. (2019). Occupancy dynamics of semi‐aquatic herbivores in riparian systems in Illinois, USA. Ecosphere. 10(3). 6 indexed citations
3.
Blake, John G., et al.. (2019). Variation in Neotropical river otter (Lontra longicaudis) diet: Effects of an invasive prey species. PLoS ONE. 14(10). e0217727–e0217727. 14 indexed citations
4.
Schauber, Eric M., et al.. (2018). Stream community richness predicts apex predator occupancy dynamics in riparian systems. Oikos. 127(10). 1422–1436. 12 indexed citations
5.
Nielsen, Clayton K., et al.. (2015). Suitable habitat for recolonizing large carnivores in the midwestern USA. Oryx. 50(3). 555–564. 34 indexed citations
6.
Schauber, Eric M., et al.. (2015). Comparing permeability of matrix cover types for the marsh rice rat (Oryzomys palustris). Landscape Ecology. 30(7). 1307–1320. 14 indexed citations
7.
Hellgren, Eric C., et al.. (2011). Experimental tree removal in tallgrass prairie: variable responses of flora and fauna along a woody cover gradient. Ecological Applications. 22(3). 947–958. 28 indexed citations
8.
Hellgren, Eric C., et al.. (2008). Relative Abundance of Mesopredators and Size of Oak Patches in the Cross-Timbers Ecoregion. The Southwestern Naturalist. 53(2). 214–223. 7 indexed citations
9.
Fox, Stanley F., et al.. (2007). Effects of sex, age, and season on plasma steroids in free-ranging Texas horned lizards (Phrynosoma cornutum). General and Comparative Endocrinology. 155(3). 589–596. 19 indexed citations
10.
Hellgren, Eric C., et al.. (2005). Nitrogen outputs from fecal and urine deposition of small mammals: implications for nitrogen cycling. Oecologia. 144(3). 447–455. 38 indexed citations
11.
Onorato, David P., et al.. (2005). Winter ecology of American black bears in a desert montane island. Wildlife Society Bulletin. 33(1). 164–171. 13 indexed citations
12.
Hellgren, Eric C., et al.. (2003). Seasonal Changes in the Physiology of Male Virginia Opossums (Didelphis virginiana): Signs of the Dasyurid Semelparity Syndrome?. Physiological and Biochemical Zoology. 76(3). 406–417. 15 indexed citations
13.
Hellgren, Eric C., et al.. (2003). CATASTROPHIC DECLINE OF A HIGH-DENSITY POPULATION OF HISPID COTTON RATS (SIGMODON HISPIDUS) IN CENTRAL OKLAHOMA. The Southwestern Naturalist. 48(3). 467–471. 4 indexed citations
14.
Hellgren, Eric C., et al.. (2001). Habitat Selection by the Texas Tortoise in a Managed Thornscrub Ecosystem. Journal of Wildlife Management. 65(4). 653–653. 22 indexed citations
15.
Hellgren, Eric C., et al.. (2001). Effects of Grazing on the Demography and Growth of the Texas Tortoise. Conservation Biology. 15(4). 1091–1101. 11 indexed citations
16.
Hellgren, Eric C.. (1998). Physiology of hibernation in bears. Ursus. 10. 467–477. 103 indexed citations
17.
Tomasi, Thomas E., et al.. (1998). Thyroid Hormone Concentrations in Black Bears (Ursus americanus): Hibernation and Pregnancy Effects. General and Comparative Endocrinology. 109(2). 192–199. 39 indexed citations
18.
Hellgren, Eric C., et al.. (1989). Seasonal variation in serum testosterone, testicular measurements and semen characteristics in the collared peccary ( Tayassu tajacu ). Reproduction. 85(2). 677–686. 27 indexed citations
19.
Lochmiller, Robert L., et al.. (1987). Vitamin A levels of blood in collared peccaries (Tayassu tajacu) from South Texas. Comparative Biochemistry and Physiology Part A Physiology. 86(4). 751–753.
20.
Lochmiller, Robert L., Eric C. Hellgren, & William E. Grant. (1986). Absolute and allometric relationships between internal morphology and body mass in the adult collared peccary, Tayassu tajacu (Tayassuidae).. PubMed. 50(3). 296–316. 5 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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