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Researcher · DairyNZ · New Zealand

D. F. Chapman

D. F. Chapman publishes mostly in Agronomy and Crop Science, Forestry and Ecology, Evolution, Behavior and Systematics, on topics such as Ruminant Nutrition and Digestive Physiology, Pasture and Agricultural Systems and Soil Carbon and Nitrogen Dynamics.

ORCID 0000-0002-6997-2380 OpenAlex
World rank
#487,915
of 7,710,434 ranked researchers
Rank in New Zealand
#1,892
of 21,128
Works
191
Citations
5.4k
Citations per work
28.2
h-index
38
i10-index 115Top 2.6% in Agronomy and Crop Science
D. F. Chapman

What does D. F. Chapman research?

D. F. Chapman's work is mostly in Agricultural and Biological Sciences (73%), Environmental Science (7%).

Life Sciences: 140 works · 73.4% of their workAgricultural and Biological Sciences: 140 works · 73.4% of their workAgronomy and Crop Science: 59 works · 31.1% of their workForestry: 37 works · 19.4% of their workEcology, Evolution, Behavior and Systematics: 16 works · 8.3% of their workPlant Science: 15 works · 7.6% of their workSoil Science: 13 works · 7.0% of their workEverything else: 37 works · 19.6% of their workPhysical Sciences: 13 works · 7.0% of their workEnvironmental Science: 13 works · 7.0% of their workEnvironmental Chemistry: 13 works · 7.0% of their workTHEIR WORKD. F. Chapman191works
Life Sciences73%Physical Sciences7%

Their six largest subfields, inside their fields and domains; the grey slice is everything else they publish. The interactive view splits every one of their works down to single topics.

The fields and subfields, with their numbers
    1. Agricultural and Biological Sciences14073.4%
  2. Everything else3719.6%
    1. Environmental Science137.0%
  1. 1Agronomy and Crop Science31% of their works
  2. 2Forestry19% of their works
  3. 3Ecology, Evolution, Behavior and Systematics8% of their works
  4. 4Plant Science8% of their works
  5. 5Soil Science7% of their works
  6. 6Environmental Chemistry7% of their works

Research topics

Which keywords describe D. F. Chapman's research?

The keywords of their largest research topics: Methane Production, Ruminant Nutrition, Grazing Management, Perennial Pastures, Sustainable Agriculture, Soil Carbon Sequestration, Microbial Communities and Nitrogen Cycle.

Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most. The words come from the keyword list OpenAlex gives each topic, not from the text of the papers, so a word can appear that none of the papers uses.

All 18 words, with their numbers
  1. Methane Production1231 topic
  2. Ruminant Nutrition1231 topic
  3. Grazing Management821 topic
  4. Perennial Pastures821 topic
  5. Sustainable Agriculture653 topics
  6. Soil Carbon Sequestration592 topics
  7. Microbial Communities361 topic
  8. Nitrogen Cycle361 topic
  9. Endophyte Symbiosis301 topic
  10. Grass-Fungal Interaction301 topic
  11. Agroforestry231 topic
  12. Biodiversity231 topic
  13. Bioenergy Crops231 topic
  14. Switchgrass231 topic
  15. Agricultural Productivity191 topic
  16. Biogeochemical Cycling191 topic
  17. Intercropping191 topic
  18. Turfgrass191 topic

Where does D. F. Chapman work?

D. F. Chapman's main affiliation in the publication record is DairyNZ, New Zealand.

How many publications and citations does D. F. Chapman have?

OpenAlex counts 191 works and 5,387 citations for D. F. Chapman, an h-index of 38, ranking #487,915 of 7,710,434 researchers worldwide on the quality score.

Ranked on field-normalised citation excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.

Other researchers named D. F. Chapman

Papers, co-authors, who cited this work and researchers on the nearest topics have tabs of their own, above. Is this your page? Claim it with your ORCID iD, or request a correction or removal.

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