Jeffrey Hatfield, Ph.D.
Dr. Jeff Hatfield's duties include field and statistical research on U.S. wildlife and habitats, review of study plans and manuscripts, experimental design, statistical consulting with wildlife biologists, and data analysis.
Current research consists of monitoring growth and survival of Hawaiian trees, monitoring regeneration and restoration of vegetation in Texas, monitoring herbivory in National Parks of the National Capital Region, and studies of maternal-effects and Medea genes in snails and mammals.
Recent Accomplishments
Education
- Ph.D. 1986. Biostatistics (focus: theoretical ecology & genetics). The Ohio State University, Columbus, Ohio.
- M.A.S. 1982. Applied Statistics (focus: frequentist statistics). The Ohio State University, Columbus, Ohio.
- M.S. 1981. Zoology (focus: aquatic ecology & genetics). Miami University, Oxford, Ohio.
- B.A. 1979. Zoology and Mathematics & Statistics (double major). Miami University, Oxford, Ohio.
Professional Studies/Experience
Mentorship/Outreach
Professional societies/affiliations/committees/editorial boards
Honors, awards, recognition, elected offices
Scientific/Oral Presentations, Abstracts
Science and Products
Filter Total Items: 54
Plant phenology in a cloud forest on the island of Maui, Hawaii Plant phenology in a cloud forest on the island of Maui, Hawaii
We recorded the times of flowering, fruiting, and leafing for ten native canopy and subcanopy trees and shrubs (monthly from December 1994 through December 1997) in a montane cloud forest with relatively aseasonal rainfall on the island of Maui, Hawaii. These species represented the great majority of individual woody plants at the site. Flowers and fruits were available in the community...
Authors
Kim E. Berlin, T.K. Pratt, John C. Simon, James R. Kowalsky, Jeff S. Hatfield
Population and habitat viability assessments for Golden-cheeked Warblers and Black-capped Vireos: Usefulness to Partners in Flight Conservation Planning Population and habitat viability assessments for Golden-cheeked Warblers and Black-capped Vireos: Usefulness to Partners in Flight Conservation Planning
Golden-cheeked Warblers and Black-capped Vireos are Neotropical migratory birds that are federally listed as endangered. Recovery plans for both species advise the use of viability modeling as a tool for setting specific recovery and management targets. Population and Habitat Viability Assessment workshops were conducted to develop population targets and conservation recommendations for...
Authors
C.J. Beardmore, Jeff S. Hatfield
Host selection in the forest interior: cowbirds target ground-nesting species Host selection in the forest interior: cowbirds target ground-nesting species
We investigated patterns of cowbird host selection in a large (1300 ha), unfragmented forest in eastern New York in 1992-3 to determine whether cowbird parasitism rates can be attributed to species-specific traits or to other features associated with nest sites. Nest height was significantly associated with parasitism (P = 0.003) in this community of 23 species (n = 430 nests, 23%...
Authors
D.C. Hahn, Jeff S. Hatfield
[Book review] Conservation Biology with RAMAS? EcoLab by Susan M. Shultz, Amy E. Dunham, Karen V. Root, Sheryl L. Soucy, Steven D. Carroll, and Lev R. Ginzburg. Sunderland (Massachusetts): Sinauer Associates... 1999 [Book review] Conservation Biology with RAMAS? EcoLab by Susan M. Shultz, Amy E. Dunham, Karen V. Root, Sheryl L. Soucy, Steven D. Carroll, and Lev R. Ginzburg. Sunderland (Massachusetts): Sinauer Associates... 1999
No abstract available.
Authors
Jeff S. Hatfield
Reproductive success, growth and survival of black-crowned night-heron (Nycticorax nycticorax) and snowy egret (Egretta thula) chicks in coastal Virginia Reproductive success, growth and survival of black-crowned night-heron (Nycticorax nycticorax) and snowy egret (Egretta thula) chicks in coastal Virginia
We studied reproductive success, growth, and survival of Black-crowned Night-Heron (Nycticorax nycticorax) and Snowy Egret (Egretta thula) chicks in two mixed-species heronries on marsh islands in Chincoteague Bay, Accomack County, Virginia in 1992 and 1993. We attached radio transmitters with mortality sensors to the oldest chicks (A-chicks) in 11 to 22 nests of both species to monitor...
Authors
R. Michael Erwin, J.G. Haig, Daniel B. Stotts, Jeffrey S. Hatfield
Lead accumulation and osprey production near a mining site on the Coeur d'Alene River, Idaho Lead accumulation and osprey production near a mining site on the Coeur d'Alene River, Idaho
Mining and smelting at Kellogg-Smelterville, Idaho, resulted in high concentrations of lead in Coeur d'Alene (CDA) River sediments 15–65 km downstream, where ospreys (Pandion haliaetus) nested. Adult and nestling ospreys living along the CDA River had significantly higher blood lead concentrations than those at Lake Coeur d'Alene (intermediate area) or Pend Oreille and Flathead Lakes...
Authors
Charles J. Henny, Lawrence J. Blus, David J. Hoffman, Robert A. Grove, Jeffrey S. Hatfield
Science and Products
Filter Total Items: 54
Plant phenology in a cloud forest on the island of Maui, Hawaii Plant phenology in a cloud forest on the island of Maui, Hawaii
We recorded the times of flowering, fruiting, and leafing for ten native canopy and subcanopy trees and shrubs (monthly from December 1994 through December 1997) in a montane cloud forest with relatively aseasonal rainfall on the island of Maui, Hawaii. These species represented the great majority of individual woody plants at the site. Flowers and fruits were available in the community...
Authors
Kim E. Berlin, T.K. Pratt, John C. Simon, James R. Kowalsky, Jeff S. Hatfield
Population and habitat viability assessments for Golden-cheeked Warblers and Black-capped Vireos: Usefulness to Partners in Flight Conservation Planning Population and habitat viability assessments for Golden-cheeked Warblers and Black-capped Vireos: Usefulness to Partners in Flight Conservation Planning
Golden-cheeked Warblers and Black-capped Vireos are Neotropical migratory birds that are federally listed as endangered. Recovery plans for both species advise the use of viability modeling as a tool for setting specific recovery and management targets. Population and Habitat Viability Assessment workshops were conducted to develop population targets and conservation recommendations for...
Authors
C.J. Beardmore, Jeff S. Hatfield
Host selection in the forest interior: cowbirds target ground-nesting species Host selection in the forest interior: cowbirds target ground-nesting species
We investigated patterns of cowbird host selection in a large (1300 ha), unfragmented forest in eastern New York in 1992-3 to determine whether cowbird parasitism rates can be attributed to species-specific traits or to other features associated with nest sites. Nest height was significantly associated with parasitism (P = 0.003) in this community of 23 species (n = 430 nests, 23%...
Authors
D.C. Hahn, Jeff S. Hatfield
[Book review] Conservation Biology with RAMAS? EcoLab by Susan M. Shultz, Amy E. Dunham, Karen V. Root, Sheryl L. Soucy, Steven D. Carroll, and Lev R. Ginzburg. Sunderland (Massachusetts): Sinauer Associates... 1999 [Book review] Conservation Biology with RAMAS? EcoLab by Susan M. Shultz, Amy E. Dunham, Karen V. Root, Sheryl L. Soucy, Steven D. Carroll, and Lev R. Ginzburg. Sunderland (Massachusetts): Sinauer Associates... 1999
No abstract available.
Authors
Jeff S. Hatfield
Reproductive success, growth and survival of black-crowned night-heron (Nycticorax nycticorax) and snowy egret (Egretta thula) chicks in coastal Virginia Reproductive success, growth and survival of black-crowned night-heron (Nycticorax nycticorax) and snowy egret (Egretta thula) chicks in coastal Virginia
We studied reproductive success, growth, and survival of Black-crowned Night-Heron (Nycticorax nycticorax) and Snowy Egret (Egretta thula) chicks in two mixed-species heronries on marsh islands in Chincoteague Bay, Accomack County, Virginia in 1992 and 1993. We attached radio transmitters with mortality sensors to the oldest chicks (A-chicks) in 11 to 22 nests of both species to monitor...
Authors
R. Michael Erwin, J.G. Haig, Daniel B. Stotts, Jeffrey S. Hatfield
Lead accumulation and osprey production near a mining site on the Coeur d'Alene River, Idaho Lead accumulation and osprey production near a mining site on the Coeur d'Alene River, Idaho
Mining and smelting at Kellogg-Smelterville, Idaho, resulted in high concentrations of lead in Coeur d'Alene (CDA) River sediments 15–65 km downstream, where ospreys (Pandion haliaetus) nested. Adult and nestling ospreys living along the CDA River had significantly higher blood lead concentrations than those at Lake Coeur d'Alene (intermediate area) or Pend Oreille and Flathead Lakes...
Authors
Charles J. Henny, Lawrence J. Blus, David J. Hoffman, Robert A. Grove, Jeffrey S. Hatfield