John J. Sheppard
John J. Sheppard publishes mostly in Nature and Landscape Conservation, Global and Planetary Change and Ecology, on topics such as Fish Ecology and Management Studies, Marine and fisheries research and Isotope Analysis in Ecology.
- World rank
- #5,571,731 of 7,710,434 ranked researchers
- Rank in United States
- #1,397,505 of 1,627,098
- Works
- 15
- Citations
- 100
- Citations per work
- 6.7
What does John J. Sheppard research?
John J. Sheppard's work is mostly in Environmental Science (91%).
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
- Physical Sciences1490.6%
- Environmental Science1490.6%
- Everything else19.4%
- 1Nature and Landscape Conservation34% of their works
- 2Global and Planetary Change28% of their works
- 3Ecology19% of their works
- 4Ecological Modeling3% of their works
- 5Management, Monitoring, Policy and Law3% of their works
- 6Water Science and Technology3% of their works
Research topics
Which keywords describe John J. Sheppard's research?
The keywords of their largest research topics: Climate Change, Fisheries Sustainability, Invasive Species, Conservation Challenges, Freshwater Biodiversity, Ecosystem Management, Marine Fisheries and Conservation Genetics.
- Species Distribution Modeling
- Freshwater Mussels
- Food Authentication
- Ecosystem Engineering
- Trophic Position
- Metabarcoding
- Biodiversity
- Conservation Genetics
- Ecosystem Management
- Conservation Challenges
- Fisheries Sustainability
- Climate Change
- Invasive Species
- Freshwater Biodiversity
- Marine Fisheries
- DNA Barcoding
- Environmental DNA
- Stable Isotopes
- Ecological Niche
- Fish
- Fraud Detection
- Length-Weight Relationships
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.
All 22 words, with their numbers
- Climate Change193 topics
- Fisheries Sustainability182 topics
- Invasive Species122 topics
- Conservation Challenges111 topic
- Freshwater Biodiversity111 topic
- Ecosystem Management71 topic
- Marine Fisheries71 topic
- Conservation Genetics32 topics
- DNA Barcoding32 topics
- Biodiversity22 topics
- Environmental DNA21 topic
- Metabarcoding21 topic
- Stable Isotopes21 topic
- Trophic Position21 topic
- Ecological Niche11 topic
- Ecosystem Engineering11 topic
- Fish11 topic
- Food Authentication11 topic
- Fraud Detection11 topic
- Freshwater Mussels11 topic
- Length-Weight Relationships11 topic
- Species Distribution Modeling11 topic
Where does John J. Sheppard work?
John J. Sheppard's main affiliation in the publication record is Massachusetts Maritime Academy, United States.
How many publications and citations does John J. Sheppard have?
OpenAlex counts 15 works and 100 citations for John J. Sheppard, an h-index of 4, ranking #5,571,731 of 7,710,434 researchers worldwide on the quality score.
Ranked on field-normalised 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.
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