P. D. Johnstone
Impact in
- Agronomy and Crop Science top 2%
- Reproductive Physiology in Livestock
- Ruminant Nutrition and Digestive Physiology
- Small Animals top 2%
- Helminth infection and control
Papers in
-
- Reproductive Physiology in Livestock 23
- Ruminant Nutrition and Digestive Physiology 18
- Genetics 26
- Genetic and phenotypic traits in livestock 25
- Co-authors
- M.A. Gemmell (17 shared papers)B.I.P. Barratt (11 shared papers)I.R. Hall (2 shared papers)A. G. Sinclair (12 shared papers)G. H. Davis (10 shared papers)Jennifer L. Juengel (10 shared papers)R.S. Scott (1 shared paper)R. M. Dolby (1 shared paper)
- Journals
- New Zealand Journal of Agricultural Research (25 papers)Research in Veterinary Science (15 papers)Animal Reproduction Science (6 papers)Nutrient Cycling in Agroecosystems (3 papers)Veterinary Parasitology (2 papers)
- Partner nations
- New ZealandCambodiaIndia
In The Last Decade
P. D. Johnstone
101 papers receiving 1.2k citations
Peers
Comparison fields: 5 of 114
- Agronomy and Crop Science 322
- Small Animals 158
- Parasitology 126
- Soil Science 144
- Animal Science and Zoology 121
Countries citing papers authored by P. D. Johnstone
This map shows the geographic impact of P. D. Johnstone'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 P. D. Johnstone with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites P. D. Johnstone more than expected).
Fields of papers citing papers by P. D. Johnstone
This network shows the impact of papers produced by P. D. Johnstone. 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 P. D. Johnstone. The network helps show where P. D. Johnstone may publish in the future.
Co-authors
The 25 scholars most cited alongside P. D. Johnstone, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.
All Works
Showing the 20 most-cited of 103 papers — load more, or switch the sort, to bring in the rest.
| # | Work | ||
|---|---|---|---|
| 1 | 2004 | 104 | |
| 2 | 1977 | 61 | |
| 3 | 1984 | 53 | |
| 4 | 1977 | 45 | |
| 5 | 2004 | 37 | |
| 6 | 1993 | 34 | |
| 7 | 2003 | 34 | |
| 8 | 2019 | 30 | |
| 9 | 1977 | 29 | |
| 10 | 1980 | 29 | |
| 11 | 2015 | 26 | |
| 12 | 2016 | 26 | |
| 13 | 1997 | 24 | |
| 14 | 2013 | 23 | |
| 15 | 1996 | 22 | |
| 16 | 1988 | 22 | |
| 17 | 2007 | 22 | |
| 18 | 1982 | 22 | |
| 19 | 2001 | 21 | |
| 20 | 2015 | 21 |
About P. D. Johnstone
P. D. Johnstone is a scholar working on Agronomy and Crop Science, Genetics, Pathology and Forensic Medicine, Soil Science and Plant Science, having authored 103 papers that have together received 1.4k indexed citations. Recurring topics across this work include Genetic and phenotypic traits in livestock (25 papers), Reproductive Physiology in Livestock (23 papers), Ruminant Nutrition and Digestive Physiology (18 papers), Parasitic infections in humans and animals (17 papers), Soil Carbon and Nitrogen Dynamics (15 papers), Soil and Water Nutrient Dynamics (12 papers), Parasitic Infections and Diagnostics (10 papers) and Congenital Anomalies and Fetal Surgery (9 papers). The work is most often cited by research in Agronomy and Crop Science (322 citations), Small Animals (158 citations), Parasitology (126 citations), Soil Science (144 citations) and Animal Science and Zoology (121 citations). P. D. Johnstone has collaborated with scholars based in New Zealand, Cambodia and India. Frequent co-authors include M.A. Gemmell, B.I.P. Barratt, I.R. Hall, A. G. Sinclair, G. H. Davis, Jennifer L. Juengel, R.S. Scott, R. M. Dolby, L. C. Smith and R. W. Kelly. Their work appears in journals such as New Zealand Journal of Agricultural Research, Research in Veterinary Science, Animal Reproduction Science, Nutrient Cycling in Agroecosystems and Veterinary Parasitology.
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.