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Research facility · Tulcea · Romania

Danube Delta National Institute for Research and Development

ddni.roROR OpenAlex
World rank, all time
#36,449
of 42,892
Rank in Romania
#132
of 176
Research works
212
▲ 57% vs 2013–17
Citations
3.9k
18.5 per fractional work
Top-10% rate
15.3%
record average 16.5%
Open access
66%
world 28%

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Agricultural and Biological Sciences: 5.61× its world share, 13 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.60× its world share, 2 worksBiochemistry, Geneti…Immunology and Microbiology: 0.77× its world share, 0 worksImmunology and Micro…Chemical Engineering: 0.33× its world share, 0 worksChemical EngineeringChemistry: 0.15× its world share, 0 worksChemistryComputer Science: 0.04× its world share, 0 worksComputer ScienceEarth and Planetary Sciences: 13.29× its world share, 10 worksEarth and Planetary …Engineering: 0.21× its world share, 2 worksEngineeringEnvironmental Science: 5.81× its world share, 14 worksEnvironmental ScienceMaterials Science: 0.27× its world share, 0 worksMaterials ScienceHealth Professions: 0.03× its world share, 0 worksHealth ProfessionsMedicine: 0.10× its world share, 1 worksMedicineArts and Humanities: 2.36× its world share, 3 worksArts and HumanitiesBusiness, Management and Accounting: 0.21× its world share, 0 worksBusiness, Management…Decision Sciences: 0.22× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.37× its world share, 0 worksEconomics, Econometr…Social Sciences: 0.34× its world share, 2 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Earth and Planetary Sciences, 13.3×. Every wedge is a field page.

Which keywords describe research at Danube Delta National Institute for Research and Development?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Climate Change, Mediterranean, Holocene, Black Sea, paleoceanography, Invasive Species, Biodiversity and Conservation.

▲ more of its work than of the world’s◆ about the world’s share▼ less than the world’s

Size is fractional works in 2022–2025 in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Climate Change12▲ 9.4×34 topics
  2. Mediterranean9▲ 201×5 topics
  3. Holocene8▲ 139×2 topics
  4. Black Sea7▲ 377×1 topic
  5. paleoceanography7▲ 499×1 topic
  6. Invasive Species5▲ 24×9 topics
  7. Biodiversity4▲ 12×10 topics
  8. Conservation4▲ 20×7 topics
  9. Remote Sensing4▲ 6.4×15 topics
  10. Environmental Impact4▲ 4.2×12 topics
  11. Water Resources3▲ 27×6 topics
  12. Biogeography2▲ 19×5 topics
  13. Hydrological Modeling2▲ 21×4 topics
  14. Sediment Transport2▲ 29×5 topics
  15. Renewable Energy2▲ 3.0×6 topics
  16. Flood Risk2▲ 54×2 topics
  17. Geoarchaeology2▲ 119×2 topics
  18. Vegetation2▲ 37×3 topics
  19. Flora2▲ 132×1 topic
  20. Microbial Communities2▲ 8.5×3 topics
  21. Vascular Plants2▲ 132×1 topic
  22. Desertification2▲ 94×2 topics
  23. Flood Inundation Modeling2▲ 47×1 topic
  24. Genetic Diversity2▲ 7.9×6 topics
  25. Surface Water Mapping2▲ 47×1 topic
  26. Biodiversity Conservation2▲ 8.9×3 topics
  27. Water Quality2▲ 8.3×4 topics
  28. Paleosols2▲ 193×1 topic
  29. Soil Evolution2▲ 193×1 topic
  30. Habitat Fragmentation1▲ 13×4 topics
  31. Hydrodynamic Processes1▲ 262×1 topic
  32. Numerical Modeling1▲ 26×1 topic
  33. Phylogenetic Analysis1▲ 9.7×4 topics
  34. Eutrophication1▲ 27×3 topics
  35. Global Food Security1▲ 64×1 topic
  36. Phylogeny1▲ 18×3 topics
  37. Soil Fertility1▲ 12×3 topics
  38. Warfare Ecology1▲ 195×1 topic
  39. Land Use Change1▲ 8.2×6 topics
  40. Taxonomy1▲ 19×2 topics

Which research topics does Danube Delta National Institute for Research and Development publish most on?

By volume in 2022–2025: Marine and environmental studies, Botany and Plant Ecology Studies, Flood Risk Assessment and Management and Soil and Environmental Studies.

Marine and environmental…7Marine and environmental studies: 7 fractional worksBotany and Plant Ecology Studies: 2 fractional worksFlood Risk Assessment and Management: 2 fractional worksSoil and Environmental Studies: 2 fractional worksAquatic and Environmental Studies: 1 fractional worksEnvironmental and Biolog…1Environmental and Biological Research in Conflict Zones: 1 fractional worksWheat and Barley Genetics and Pathology: 1 fractional worksFish Biology and Ecology Studies: 1 fractional worksJoseph Conrad and Literature: 1 fractional worksAgriculture and Biological Studies: 1 fractional works
OceanographyPlant ScienceGlobal and Planetary ChangeSoil Science5 others

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Marine and environmental studies Oceanography 7 works
  2. 2 Botany and Plant Ecology Studies Plant Science 2 works
  3. 3 Flood Risk Assessment and Management Global and Planetary Change 2 works
  4. 4 Soil and Environmental Studies Soil Science 2 works
  5. 5 Aquatic and Environmental Studies Earth-Surface Processes 1 works
  6. 6 Environmental and Biological Research in Conflict Zones Management, Monitoring, Policy and Law 1 works
  7. 7 Wheat and Barley Genetics and Pathology Plant Science 1 works
  8. 8 Fish Biology and Ecology Studies Aquatic Science 1 works
  9. 9 Joseph Conrad and Literature Literature and Literary Theory 1 works
  10. 10 Agriculture and Biological Studies General Agricultural and Biological Sciences 1 works

How open and international is its research?

Against the world’s own shares — the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available65.8%not open34.2%

World: 28% of research is openly available.

with international co-authors33.8%domestic only66.2%

World: 19% is written across borders.

How has Danube Delta National Institute for Research and Development's research output changed?

Output in 2018–2022 was 57% higher than in 2013–2017.

1990200020102020
grewheldshrank

The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners are in the interactive view on the map.