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Research facility · Salammbô · Tunisia

Institut National des Sciences et Technologies de la Mer

In research, Institut National des Sciences et Technologies de la Mer stands highest in Physical Sciences (#11,291 of 12,888 worldwide), 2022–2025.

instm.agrinet.tnROR OpenAlex
World rank, 2022–2025
#18,742
of 28,054 · #24,147 all time
Rank in Tunisia
#34
of 59
Research works
500
▼ 19% vs 2013–17
Citations
8.7k
17.4 per fractional work
Top-10% rate
9.8%
record average 16.5%
Open access
43%
world 28%

What is Institut National des Sciences et Technologies de la Mer known for in research?

The fields where it stands highest, 2022–2025, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
Physical SciencesDomain #11,291 of 12,888 10.4%78 #17544

Each strip is that field’s whole ranked pool, with the notch where Institut National des Sciences et Technologies de la Mer sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no world mark, because the world rate differs by field (from about 6% to 21% in this record).

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: 5.07× its world share, 31 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.49× its world share, 10 worksBiochemistry, Geneti…Immunology and Microbiology: 2.15× its world share, 3 worksImmunology and Micro…Neuroscience: 0.24× its world share, 0 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.37× its world share, 0 worksPharmacology, Toxico…Chemical Engineering: 0.37× its world share, 0 worksChemical EngineeringChemistry: 0.71× its world share, 1 worksChemistryComputer Science: 0.11× its world share, 1 worksComputer ScienceEarth and Planetary Sciences: 6.72× its world share, 14 worksEarth and Planetary …Energy: 2.31× its world share, 3 worksEnergyEngineering: 0.18× its world share, 3 worksEngineeringEnvironmental Science: 8.45× its world share, 54 worksEnvironmental ScienceMaterials Science: 0.50× its world share, 2 worksMaterials SciencePhysics and Astronomy: 0.01× its world share, 0 worksPhysics and AstronomyHealth Professions: 0.05× its world share, 0 worksHealth ProfessionsMedicine: 0.04× its world share, 1 worksMedicineNursing: 1.42× its world share, 1 worksNursingVeterinary: 6.38× its world share, 1 worksVeterinaryArts and Humanities: 0.29× its world share, 1 worksArts and HumanitiesBusiness, Management and Accounting: 0.04× its world share, 0 worksBusiness, Management…Economics, Econometrics and Finance: 0.06× its world share, 0 worksEconomics, Econometr…Psychology: 0.03× its world share, 0 worksPsychologySocial Sciences: 0.03× its world share, 0 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Environmental Science, 8.4×. Every wedge is a field page.

Who are the top researchers at Institut National des Sciences et Technologies de la Mer?

Ranked on the composite score, Ali Harzallah, Saloua Sadok and Othman Jarboui lead among researchers whose main affiliation is Institut National des Sciences et Technologies de la Mer.

  1. 1 Ali Harzallah Tunisia · #800,516 worldwide 75 citations · 15 works
  2. 2 Saloua Sadok Tunisia · #1,045,973 worldwide 42 citations · 17 works
  3. 3 Othman Jarboui Tunisia · #1,233,577 worldwide 58 citations · 22 works
  4. 4 Monia El Bour Tunisia · #1,276,429 worldwide 33 citations · 21 works
  5. 5 Hechmi Missaoui Tunisia · #1,289,665 worldwide 14 citations · 17 works
All ranked researchers at Institut National des Sciences et Technologies de la Mer

Which keywords describe research at Institut National des Sciences et Technologies de la Mer?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Climate Change, Biodiversity, Conservation, Biogeography, Invasive Species, Environmental Impact, Aquaculture and Fisheries Sustainability.

▲ 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 Change31▲ 9.1×33 topics
  2. Biodiversity18▲ 19×11 topics
  3. Conservation17▲ 30×8 topics
  4. Biogeography14▲ 41×3 topics
  5. Environmental Impact13▲ 6.2×19 topics
  6. Invasive Species13▲ 24×7 topics
  7. Aquaculture12▲ 36×5 topics
  8. Fisheries Sustainability10▲ 88×2 topics
  9. Freshwater10▲ 160×2 topics
  10. Genetic Diversity10▲ 17×4 topics
  11. Sustainability10▲ 3.0×13 topics
  12. Phylogenetic Analysis9▲ 24×4 topics
  13. Fish9▲ 183×1 topic
  14. Length-Weight Relationships9▲ 183×1 topic
  15. Water Quality9▲ 17×8 topics
  16. Ecosystem Functioning8▲ 35×3 topics
  17. Marine Environment8▲ 45×3 topics
  18. Ecosystem Management7▲ 97×1 topic
  19. Marine Fisheries7▲ 141×1 topic
  20. Food Security6▲ 8.2×7 topics
  21. Marine Invasions6▲ 334×1 topic
  22. Mediterranean Sea6▲ 334×1 topic
  23. Waste Management6▲ 11×6 topics
  24. Fatty Acids6▲ 42×3 topics
  25. Phylogeny6▲ 29×3 topics
  26. Eutrophication5▲ 41×3 topics
  27. Omega-3 Fatty Acids5▲ 53×2 topics
  28. Fish Feed5▲ 71×1 topic
  29. Nutrition5▲ 8.3×1 topic
  30. Ecosystem Services5▲ 9.5×3 topics
  31. Pollution5▲ 18×3 topics
  32. Recycling4▲ 9.2×4 topics
  33. Benthic Communities4▲ 58×2 topics
  34. Marine Biodiversity4▲ 58×2 topics
  35. Bivalve Molluscs4▲ 118×1 topic
  36. Oyster Reefs4▲ 118×1 topic
  37. Population Dynamics4▲ 13×5 topics
  38. Harmful Algal Blooms4▲ 42×3 topics
  39. Marine Ecosystems4▲ 60×2 topics
  40. Toxins4▲ 31×3 topics

Which research topics does Institut National des Sciences et Technologies de la Mer publish most on?

By volume in 2022–2025: Fish Biology and Ecology Studies, Marine and fisheries research, Marine Ecology and Invasive Species and Aquaculture Nutrition and Growth.

Fish Biology and Ecology Studies: 9 fractional worksMarine and fisheries research: 7 fractional worksMarine Ecology and Invasive Species: 6 fractional worksAquaculture Nutrition and Growth: 5 fractional worksMarine Bivalve and Aquaculture Studies: 4 fractional worksMicroplastics and Plasti…3Microplastics and Plastic Pollution: 3 fractional worksFish Ecology and Management Studies: 3 fractional worksEnvironmental Toxicology and Ecotoxicology: 2 fractional worksWater management and technologies: 2 fractional worksIchthyology and Marine Biology: 2 fractional works
Aquatic ScienceGlobal and Planetary ChangePollutionNature and Landscape Conservation2 others

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

  1. 1 Fish Biology and Ecology Studies Aquatic Science 9 works
  2. 2 Marine and fisheries research Global and Planetary Change 7 works
  3. 3 Marine Ecology and Invasive Species Global and Planetary Change 6 works
  4. 4 Aquaculture Nutrition and Growth Aquatic Science 5 works
  5. 5 Marine Bivalve and Aquaculture Studies Global and Planetary Change 4 works
  6. 6 Microplastics and Plastic Pollution Pollution 3 works
  7. 7 Fish Ecology and Management Studies Nature and Landscape Conservation 3 works
  8. 8 Environmental Toxicology and Ecotoxicology Health, Toxicology and Mutagenesis 2 works
  9. 9 Water management and technologies Ecology, Evolution, Behavior and Systematics 2 works
  10. 10 Ichthyology and Marine Biology Nature and Landscape Conservation 2 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 available43.2%not open56.8%

World: 28% of research is openly available.

with international co-authors35.6%domestic only64.4%

World: 19% is written across borders.

How has Institut National des Sciences et Technologies de la Mer's research output changed?

Output in 2018–2022 was 19% lower than in 2013–2017.

200020102020
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.