Appendix D
Doctoral Fields Included for Data Analysis

The Doctorate Records File (DRF; see appendix C) categorizes all fields in which PhDs are awarded. The committee has defined the life sciences as consisting primarily of the fields in DRF categories titled ''agricultural sciences", "biological sciences", and "health sciences". Some fields in these categories have been excluded, for example, those in administrative, economic, or applied areas, such as agricultural economics. Two fields have been included as life sciences from engineering and chemistry categories and are listed below as "related sciences". Where the report refers to the "life sciences", it means all the fields listed below.

Where the committee distinguishes in the text, figures, and data tables between "biomedical" and "nonbiomedical" fields, it includes as nonbiomedical all the fields listed below in the agricultural sciences plus the 6 fields listed with an asterisk under "biological sciences". All other fields listed below are, in the committee's definition, biomedical fields.

Because the taxonomy of fields has changed over the last 30 years, explanations for changes in taxonomy are included.

Agricultural Sciences

Agronomy and Crop Science

Animal Breeding and Genetics: added in 1983

Animal Husbandry: dropped in 1983 and replaced with Animal Breeding and Genetics

Animal Nutrition

Animal Science, Other

Conservation/Renewable Natural Resources

Dairy Science

Fish and Wildlife: split into two categories in 1983

Fish Science and Management: added in 1983

Food Distribution: added in 1988; dropped again in 1995

Food Engineering: added in 1988

Food Science: split into three categories in 1988 but continues to appear on old forms

Food Science, Other: added in 1988

Forest Biology: added in 1988

Forest Engineering: added in 1988

Forest Management: added in 1988

Forestry and Related Science, Other: added in 1988

Forestry Science: split into several categories in 1988 but continues to appear on old forms

Horticulture Science

Plant Breeding and Genetics

Plant Pathology

Plant Protection and Pest Management:

dropped in 1991 but continues to appear on old forms

Plant Sciences, Other

Poultry Science

Soil Chemistry/Microbiology: added in 1988

Soil Sciences: dropped in 1988 when split but continues to appear on old forms

Soil Sciences, Other: added in 1988

Wildlife: dropped in 1988 and replaced with

Wildlife/Range Management but continues to appear on old forms.

Wildlife/Range Management: added in 1988

Wood Science and Pulp/Paper Technology: added in 1988

Agricultural Sciences, General

Agricultural Sciences, Other

Biological Sciences

Anatomy

Bacteriology: added in 1983



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--> Appendix D Doctoral Fields Included for Data Analysis The Doctorate Records File (DRF; see appendix C) categorizes all fields in which PhDs are awarded. The committee has defined the life sciences as consisting primarily of the fields in DRF categories titled ''agricultural sciences", "biological sciences", and "health sciences". Some fields in these categories have been excluded, for example, those in administrative, economic, or applied areas, such as agricultural economics. Two fields have been included as life sciences from engineering and chemistry categories and are listed below as "related sciences". Where the report refers to the "life sciences", it means all the fields listed below. Where the committee distinguishes in the text, figures, and data tables between "biomedical" and "nonbiomedical" fields, it includes as nonbiomedical all the fields listed below in the agricultural sciences plus the 6 fields listed with an asterisk under "biological sciences". All other fields listed below are, in the committee's definition, biomedical fields. Because the taxonomy of fields has changed over the last 30 years, explanations for changes in taxonomy are included. Agricultural Sciences Agronomy and Crop Science Animal Breeding and Genetics: added in 1983 Animal Husbandry: dropped in 1983 and replaced with Animal Breeding and Genetics Animal Nutrition Animal Science, Other Conservation/Renewable Natural Resources Dairy Science Fish and Wildlife: split into two categories in 1983 Fish Science and Management: added in 1983 Food Distribution: added in 1988; dropped again in 1995 Food Engineering: added in 1988 Food Science: split into three categories in 1988 but continues to appear on old forms Food Science, Other: added in 1988 Forest Biology: added in 1988 Forest Engineering: added in 1988 Forest Management: added in 1988 Forestry and Related Science, Other: added in 1988 Forestry Science: split into several categories in 1988 but continues to appear on old forms Horticulture Science Plant Breeding and Genetics Plant Pathology Plant Protection and Pest Management: dropped in 1991 but continues to appear on old forms Plant Sciences, Other Poultry Science Soil Chemistry/Microbiology: added in 1988 Soil Sciences: dropped in 1988 when split but continues to appear on old forms Soil Sciences, Other: added in 1988 Wildlife: dropped in 1988 and replaced with Wildlife/Range Management but continues to appear on old forms. Wildlife/Range Management: added in 1988 Wood Science and Pulp/Paper Technology: added in 1988 Agricultural Sciences, General Agricultural Sciences, Other Biological Sciences Anatomy Bacteriology: added in 1983

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--> Biochemistry Biometrics and Biostatistics Biophysics Biotechnology Research * Botany Cell Biology Developmental Biology/Embryology * Ecology Endocrinology * Entomology Genetics, Animal and Plant: divided into two categories in 1983 Genetics, Human and Animal: added in 1983 Hydrobiology: dropped in 1980 Immunology Microbiology: added in 1983 Microbiology and Bacteriology: split into two categories in 1983 Molecular Biology Neuroscience Nutritional Sciences Parasitology Pathology, Human and Animal Pharmacology, Human and Animal Physiology, Human and Animal * Plant Genetics: added in 1983 * Plant Pathology * Plant Physiology Toxicology Zoology Biological Sciences, General Biological Sciences, Other Health Sciences Environmental Health Epidemiology: added in 1983 Pharmacy Public Health: added in 1983 Public Health/Epidemiology: split into two categories in 1983 Health Sciences, General Health Sciences, Other Related Sciences Bioengineering and Biomedical Pharmaceutical Chemistry