Science Explorer Back to mapMap
Discussion
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 (#10,249 of 10,670 worldwide), 2022-now.

instm.agrinet.tnROR OpenAlex
World rank, 2022-now
#20,708
of 22,385 · #28,168 all time
Rank in Tunisia
#54
of 56
Research works
500
▲ 74% vs 2018-21
Citations
8.7k
17.4 per fractional work
Top-10% rate
7.2%
all institutions 10.0%
vs its own fields
0.92×
1.00× is exactly expected
Open access
43%
world 40%
International
36%
world 18%
Institut National des Sciences et Technologies de la Mer

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

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

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
Physical SciencesDomain #10,249 of 10,670 5.3%78 #16131

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 average mark, because the average differs by field (from about 6% in Dentistry to 21% in Economics).

Which fields of science does Institut National des Sciences et Technologies de la Mer work in?

In 2022-now, 61% of research at Institut National des Sciences et Technologies de la Mer is in Physical Sciences, 34% in Life Sciences. Its largest fields are Environmental Science (41%), Agricultural and Biological Sciences (23%), Earth and Planetary Sciences (11%). It does 2.4× the world's share of Life Sciences.

Physical Sciences: 85 fractional works · 61.5% of its workEnvironmental Science: 56 fractional works · 40.7% of its workGlobal and Planetary Change: 19 fractional works · 14.0% of its workEcology: 10 fractional works · 7.1% of its workNature and Landscape Conservation: 6 fractional works · 4.5% of its workPollution: 6 fractional works · 4.1% of its workHealth, Toxicology and Mutagenesis: 4 fractional works · 3.1% of its workEnvironmental Chemistry: 3 fractional works · 2.3% of its workIndustrial and Manufacturing Engineering: 3 fractional works · 2.2% of its workWater Science and Technology: 3 fractional works · 2.1% of its workEnvironmental Engineering: 1 fractional works · 0.6% of its workManagement, Monitoring, Policy and Law: 1 fractional works · 0.6% of its workEarth and Planetary Sciences: 15 fractional works · 10.6% of its workOceanography: 8 fractional works · 5.8% of its workEarth-Surface Processes: 2 fractional works · 1.1% of its workPaleontology: 1 fractional works · 1.1% of its workGeochemistry and Petrology: 1 fractional works · 1.0% of its workAtmospheric Science: 1 fractional works · 0.8% of its workGeophysics: 1 fractional works · 0.7% of its workEngineering: 4 fractional works · 3.1% of its workElectrical and Electronic Engineering: 1 fractional works · 0.9% of its workOcean Engineering: 1 fractional works · 0.8% of its workBiomedical Engineering: 1 fractional works · 0.4% of its workAutomotive Engineering: 0 fractional works · 0.2% of its workControl and Systems Engineering: 0 fractional works · 0.2% of its workMechanical Engineering: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.3% of its workMaterials Science: 3 fractional works · 2.3% of its workBiomaterials: 2 fractional works · 1.3% of its workMaterials Chemistry: 1 fractional works · 0.6% of its workSurfaces, Coatings and Films: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.2% of its workEnergy: 3 fractional works · 2.0% of its workRenewable Energy, Sustainability and the Environment: 3 fractional works · 2.0% of its workChemistry: 2 fractional works · 1.4% of its workSpectroscopy: 1 fractional works · 0.5% of its workOrganic Chemistry: 1 fractional works · 0.4% of its workElectrochemistry: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.2% of its workComputer Science: 2 fractional works · 1.2% of its workArtificial Intelligence: 1 fractional works · 0.5% of its workComputer Vision and Pattern Recognition: 0 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.3% of its workChemical Engineering: 0 fractional works · 0.2% of its workPhysics and Astronomy: 0 fractional works · 0.0% of its workLife Sciences: 47 fractional works · 34.2% of its workAgricultural and Biological Sciences: 32 fractional works · 23.4% of its workAquatic Science: 17 fractional works · 12.0% of its workPlant Science: 5 fractional works · 3.7% of its workEcology, Evolution, Behavior and Systematics: 4 fractional works · 3.2% of its workFood Science: 2 fractional works · 1.2% of its workAnimal Science and Zoology: 2 fractional works · 1.1% of its workForestry: 1 fractional works · 0.7% of its workInsect Science: 1 fractional works · 0.6% of its workSoil Science: 1 fractional works · 0.5% of its workGeneral Agricultural and Biological Sciences: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workBiochemistry, Genetics and Molecular Biology: 11 fractional works · 7.8% of its workMolecular Biology: 3 fractional works · 2.4% of its workGenetics: 2 fractional works · 1.5% of its workBiotechnology: 2 fractional works · 1.3% of its workEndocrinology: 1 fractional works · 0.8% of its workPhysiology: 1 fractional works · 0.7% of its workCancer Research: 1 fractional works · 0.5% of its workSmaller subfields together: 1 fractional works · 0.5% of its workImmunology and Microbiology: 4 fractional works · 2.6% of its workImmunology: 3 fractional works · 1.9% of its workVirology: 0 fractional works · 0.4% of its workParasitology: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workNeuroscience: 0 fractional works · 0.4% of its workPharmacology, Toxicology and Pharmaceutics: 0 fractional works · 0.1% of its workHealth Sciences: 4 fractional works · 2.5% of its workMedicine: 1 fractional works · 1.0% of its workBiochemistry: 0 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.7% of its workVeterinary: 1 fractional works · 0.8% of its workSmall Animals: 1 fractional works · 0.8% of its workNursing: 1 fractional works · 0.6% of its workNutrition and Dietetics: 1 fractional works · 0.6% of its workHealth Professions: 0 fractional works · 0.1% of its workSocial Sciences: 2 fractional works · 1.8% of its workArts and Humanities: 1 fractional works · 0.8% of its workArcheology: 1 fractional works · 0.8% of its workSocial Sciences: 1 fractional works · 0.4% of its workSociology and Political Science: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.2% of its workBusiness, Management and Accounting: 1 fractional works · 0.4% of its workStrategy and Management: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workEconomics, Econometrics and Finance: 0 fractional works · 0.1% of its workPsychology: 0 fractional works · 0.1% of its workALL ITS WORKInstitut Nationaldes Sciences et…138fractional works, 2022-now
Life Sciences34%Physical Sciences61%Health Sciences3%Social Sciences2%

Each ring splits the one inside it: the four domains of science, their fields, their subfields. Size is fractional works in 2022-now. Every slice is a page; the interactive view zooms down to single topics and colours each by how much more of it this institution does than the world.

Its 4 domains and 23 fields, with their numbers
    1. Environmental Science5640.7%
    2. Earth and Planetary Sciences1510.6%
    3. Engineering43.1%
    4. Materials Science32.3%
    5. Energy32.0%
    6. Chemistry21.4%
    7. Computer Science21.2%
    8. Chemical Engineering00.2%
    9. Physics and Astronomy00.0%
    1. Agricultural and Biological Sciences3223.4%
    2. Biochemistry, Genetics and Molecular Biology117.8%
    3. Immunology and Microbiology42.6%
    4. Neuroscience00.4%
    5. Pharmacology, Toxicology and Pharmaceutics00.1%
    1. Medicine11.0%
    2. Veterinary10.8%
    3. Nursing10.6%
    4. Health Professions00.1%
    1. Arts and Humanities10.8%
    2. Social Sciences10.4%
    3. Business, Management and Accounting10.4%
    4. Economics, Econometrics and Finance00.1%
    5. Psychology00.1%
All of science, and how each field's share has moved since 1950: the Science domain explorer

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: 4.92× its world share, 32 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.45× its world share, 11 worksBiochemistry, Geneti…Immunology and Microbiology: 2.60× its world share, 4 worksImmunology and Micro…Neuroscience: 0.22× its world share, 0 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.34× its world share, 0 worksPharmacology, Toxico…Chemical Engineering: 0.58× its world share, 0 worksChemical EngineeringChemistry: 0.87× its world share, 2 worksChemistryComputer Science: 0.15× its world share, 2 worksComputer ScienceEarth and Planetary Sciences: 6.74× its world share, 15 worksEarth and Planetary …Energy: 2.19× its world share, 3 worksEnergyEngineering: 0.20× its world share, 4 worksEngineeringEnvironmental Science: 8.19× its world share, 56 worksEnvironmental ScienceMaterials Science: 0.67× its world share, 3 worksMaterials SciencePhysics and Astronomy: 0.01× its world share, 0 worksPhysics and AstronomyHealth Professions: 0.05× its world share, 0 worksHealth ProfessionsMedicine: 0.05× its world share, 1 worksMedicineNursing: 1.32× its world share, 1 worksNursingVeterinary: 5.93× its world share, 1 worksVeterinaryArts and Humanities: 0.27× its world share, 1 worksArts and HumanitiesBusiness, Management and Accounting: 0.12× 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, 1 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Environmental Science, 8.2×. Every wedge is a field page.

All 23 fields, with their numbers
  1. Environmental Science8.19×56 works
  2. Earth and Planetary Sciences6.74×15 works
  3. Veterinary5.93×1 works
  4. Agricultural and Biological Sciences4.92×32 works
  5. Immunology and Microbiology2.60×4 works
  6. Energy2.19×3 works
  7. Biochemistry, Genetics and Molecular Biology1.45×11 works
  8. Nursing1.32×1 works
  9. Chemistry0.87×2 works
  10. Materials Science0.67×3 works
  11. Chemical Engineering0.58×0 works
  12. Pharmacology, Toxicology and Pharmaceutics0.34×0 works
  13. Arts and Humanities0.27×1 works
  14. Neuroscience0.22×0 works
  15. Engineering0.20×4 works
  16. Computer Science0.15×2 works
  17. Business, Management and Accounting0.12×0 works
  18. Economics, Econometrics and Finance0.06×0 works
  19. Health Professions0.05×0 works
  20. Medicine0.05×1 works
  21. Psychology0.03×0 works
  22. Social Sciences0.03×1 works
  23. Physics and Astronomy0.01×0 works

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

Ranked on the quality score, Abderraouf Hzami, Ali Harzallah and Hatem Ben Ouada lead among researchers whose main affiliation is Institut National des Sciences et Technologies de la Mer.

  1. 1 Abderraouf Hzami Tunisia · #936,848 worldwide 365 citations · 41 works
  2. 2 Ali Harzallah Tunisia · #1,152,120 worldwide 2.4k citations · 54 works
  3. 3 Hatem Ben Ouada Tunisia · #2,055,870 worldwide 1.6k citations · 63 works
  4. 4 Mohamed Salah Azaza Tunisia · #2,099,809 worldwide 1k citations · 33 works
  5. 5 Sana Ben Ismail Tunisia · #2,543,216 worldwide 1.1k citations · 44 works
  6. 6 Lamia Trabelsi Tunisia · #2,599,635 worldwide 774 citations · 42 works
  7. 7 Béchir Béjaoui Tunisia · #2,890,569 worldwide 1.5k citations · 46 works
  8. 8 Monia El Bour Tunisia · #3,146,700 worldwide 1.6k citations · 94 works
  9. 9 Luca Ceriola Tunisia · #3,235,446 worldwide 839 citations · 31 works
  10. 10 Amor El Abed Tunisia · #3,321,975 worldwide 580 citations · 15 works
All ranked researchers at Institut National des Sciences et Technologies de la Mer

What are the most cited papers from Institut National des Sciences et Technologies de la Mer?

The most cited paper from Institut National des Sciences et Technologies de la Mer is "Med-CORDEX Initiative for Mediterranean Climate Studies" (Paolo Michele Ruti et al., 2015), with 434 citations. Next come "Assessing, quantifying and valuing the ecosystem services of coastal lagoons" (370) and "Physical, structural, antioxidant and antimicrobial properties of gelatin–chitosan composite edible films" (361).

Most cited papers
#PaperReleasedCitations
1 Med-CORDEX Initiative for Mediterranean Climate Studies Paolo Michele Ruti et al. · Bulletin of the American Meteorological Society Open access 15 Oct 2015 434
2 Assessing, quantifying and valuing the ecosystem services of coastal lagoons Alice Newton et al. · Journal for Nature Conservation Open access 23 Feb 2018 370
3 Physical, structural, antioxidant and antimicrobial properties of gelatin–chitosan composite edible films Mourad Jridi, Sawssan Hajji, Hanen Ben Ayed et al. · International Journal of Biological Macromolecules 5 Apr 2014 361
4 Anthropogenic, Direct Pressures on Coastal Wetlands Alice Newton et al. · Frontiers in Ecology and Evolution Open access 7 Jul 2020 335
5 Effects of water temperature on growth and sex ratio of juvenile Nile tilapia Oreochromis niloticus (Linnaeus) reared in geothermal waters in southern Tunisia Mohamed Salah Azaza, Mohamed N. Dhraief, M. M. Kraïem · Journal of Thermal Biology 5 Dec 2007 242
All 60 most cited papers, with filters and sorting

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

By fractional works in 2022-now, weighted toward what it does more of than the world: Climate Change, Biodiversity, Conservation, Biogeography, Invasive Species, Aquaculture, Environmental Impact 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-now 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 Change33▲ 8.9×37 topics
  2. Biodiversity18▲ 17×13 topics
  3. Conservation17▲ 29×9 topics
  4. Biogeography14▲ 37×3 topics
  5. Environmental Impact14▲ 5.9×21 topics
  6. Invasive Species13▲ 23×8 topics
  7. Aquaculture13▲ 36×6 topics
  8. Sustainability11▲ 3.1×17 topics
  9. Fisheries Sustainability10▲ 86×2 topics
  10. Freshwater10▲ 149×2 topics
  11. Genetic Diversity10▲ 17×7 topics
  12. Phylogenetic Analysis9▲ 22×4 topics
  13. Water Quality9▲ 17×10 topics
  14. Fish9▲ 176×1 topic
  15. Length-Weight Relationships9▲ 176×1 topic
  16. Ecosystem Functioning9▲ 31×3 topics
  17. Marine Environment8▲ 41×3 topics
  18. Ecosystem Management8▲ 93×1 topic
  19. Marine Fisheries8▲ 136×1 topic
  20. Waste Management6▲ 11×7 topics
  21. Food Security6▲ 7.8×8 topics
  22. Marine Invasions6▲ 265×1 topic
  23. Mediterranean Sea6▲ 265×1 topic
  24. Eutrophication6▲ 38×3 topics
  25. Fatty Acids6▲ 41×3 topics
  26. Phylogeny6▲ 25×3 topics
  27. Omega-3 Fatty Acids5▲ 52×2 topics
  28. Benthic Communities5▲ 60×2 topics
  29. Marine Biodiversity5▲ 60×2 topics
  30. Fish Feed5▲ 71×1 topic
  31. Nutrition5▲ 8.2×1 topic
  32. Ecosystem Services5▲ 8.9×3 topics
  33. Population Dynamics5▲ 13×5 topics
  34. Pollution5▲ 17×3 topics
  35. Recycling4▲ 8.6×4 topics
  36. Harmful Algal Blooms4▲ 39×3 topics
  37. Bivalve Molluscs4▲ 106×1 topic
  38. Marine Ecosystems4▲ 57×2 topics
  39. Oyster Reefs4▲ 106×1 topic
  40. Ocean Acidification4▲ 40×2 topics

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

By volume in 2022-now: 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: 8 fractional worksMarine Ecology and Invas…6Marine Ecology and Invasive Species: 6 fractional worksAquaculture Nutrition an…5Aquaculture Nutrition and Growth: 5 fractional worksMarine Bivalve and Aquac…4Marine Bivalve and Aquaculture Studies: 4 fractional worksMicroplastics and Plasti…3Microplastics and Plastic Pollution: 3 fractional worksIchthyology and Marine B…3Ichthyology and Marine Biology: 3 fractional worksMarine Biology and Ecology Research: 3 fractional worksFish Ecology and Management Studies: 3 fractional worksEnvironmental Toxicology and Ecotoxicology: 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 8 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 Ichthyology and Marine Biology Nature and Landscape Conservation 3 works
  8. 8 Marine Biology and Ecology Research Oceanography 3 works
  9. 9 Fish Ecology and Management Studies Nature and Landscape Conservation 3 works
  10. 10 Environmental Toxicology and Ecotoxicology Health, Toxicology and Mutagenesis 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: 40% of research is openly available.

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

World: 18% is written across borders.

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

Output in 2022-2025 was 74% higher than in 2018-2021.

still counting200020102020
grewheldshrank

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

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Institut National des Sciences et Technologies de la Mer as a percentage of every work published that year, 0.00029% in 2024.

still counting0.00050%0.0010%0.0015%Institut National des Sciences et Technologies de la Mer0.00034% in 202519801990200020102020

Fractional works of Institut National des Sciences et Technologies de la Mer over all fractional works that year. How the balance of science has shifted.

How much of it reaches the world top 10%

Year by year, against all institutions in the same year.

still counting10%20%all institutions10.0% in 2025Institut National des Sciences et Technologies de la Mer9.3% in 202520102020

Of each year's output, the share that reached the world's 10% most cited for its field and year. Peak 18.2% in 2008.

Share Institut National des Sciences et Technologies de la Mer's ranking

Institut National des Sciences et Technologies de la Mer on Science Explorer

A card with Institut National des Sciences et Technologies de la Mer's standing and the fields it leads in, for a post or a slide. A link to this page previews as the same card.

Download the card

1200 × 630 PNG, sized for social posts, drawn from the latest snapshot.

Badges for a website1Each links back here and updates with every snapshot

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners have tabs of their own, above.

Discussion

Ask a question or share a note about Institut National des Sciences et Technologies de la Mer. Keep it to the research: no personal attacks, advertising or links. Any reader can report a post, which collapses it for everyone until it is opened.