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Nonprofit · Rio de Janeiro · Brazil

Instituto Maria e Joao Aleixo

imja.org.br/pt-brROR OpenAlex
Research works
25
▲ 1985% vs 2013–17
Citations
280
11.3 per fractional work
Top-10% rate
43.5%
record average 16.5%
Open access
71%
world 28%

Not ranked overall: Instituto Maria e Joao Aleixo is under the volume floor below which an excellence rate is noise. Not ranked is not the same as ranked last.

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: 2.60× its world share, 2 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.42× its world share, 0 worksBiochemistry, Geneti…Computer Science: 0.33× its world share, 0 worksComputer ScienceEarth and Planetary Sciences: 1.37× its world share, 0 worksEarth and Planetary …Engineering: 0.10× its world share, 0 worksEngineeringEnvironmental Science: 12.66× its world share, 12 worksEnvironmental ScienceHealth Professions: 0.80× its world share, 0 worksHealth ProfessionsMedicine: 0.03× its world share, 0 worksMedicineVeterinary: 2.68× its world share, 0 worksVeterinaryArts and Humanities: 0.67× its world share, 0 worksArts and HumanitiesEconomics, Econometrics and Finance: 0.62× its world share, 0 worksEconomics, Econometr…Psychology: 1.46× its world share, 1 worksPsychologySocial Sciences: 0.44× 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, 12.7×. Every wedge is a field page.

Which keywords describe research at Instituto Maria e Joao Aleixo?

By fractional works in all years, weighted toward what it does more of than the world: Climate Change, Biodiversity, Population Dynamics, Invasive Species, Habitat Fragmentation, Global Change, Conservation and Habitat Selection.

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

Size is fractional works in all years 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 30 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 30 words, with their numbers
  1. Climate Change8▲ 11×24 topics
  2. Biodiversity6▲ 31×9 topics
  3. Population Dynamics5▲ 61×6 topics
  4. Invasive Species4▲ 31×7 topics
  5. Habitat Fragmentation4▲ 57×4 topics
  6. Conservation3▲ 28×7 topics
  7. Global Change3▲ 43×3 topics
  8. Habitat Selection3▲ 138×2 topics
  9. Animal Movement3▲ 209×1 topic
  10. Occupancy Rates3▲ 209×1 topic
  11. Trophic Cascades3▲ 109×2 topics
  12. Conservation Biology3▲ 101×3 topics
  13. Ecosystem2▲ 69×2 topics
  14. Species Richness2▲ 114×2 topics
  15. Community Ecology2▲ 82×1 topic
  16. Functional Diversity2▲ 130×1 topic
  17. Biodiversity Conservation2▲ 31×9 topics
  18. Ecological Niche2▲ 150×1 topic
  19. Land Use Change2▲ 25×3 topics
  20. Species Distribution Modeling2▲ 150×1 topic
  21. Environmental Services2▲ 234×1 topic
  22. Tropical Deforestation2▲ 234×1 topic
  23. Ecosystem Services1▲ 16×4 topics
  24. Altruism1▲ 46×2 topics
  25. Cognition1▲ 29×2 topics
  26. Cooperation1▲ 53×2 topics
  27. Plant-Animal Interactions1▲ 39×1 topic
  28. Pollinator Decline1▲ 39×1 topic
  29. Primates1▲ 171×1 topic
  30. Social Behavior1▲ 50×1 topic

Which research topics does Instituto Maria e Joao Aleixo publish most on?

By volume in 2022–2025: Wildlife Ecology and Conservation, Ecology and Vegetation Dynamics Studies, Species Distribution and Climate Change and Conservation, Biodiversity, and Resource Management.

Wildlife Ecology and Conservation: 2 fractional worksEcology and Vegetation Dynamics Studies: 2 fractional worksSpecies Distribution and Climate Change: 2 fractional worksConservation, Biodiversity, and Resource Management: 1 fractional worksPlant and animal studies: 1 fractional worksFish biology, ecology, a…1Fish biology, ecology, and behavior: 1 fractional worksPrimate Behavior and Ecology: 1 fractional worksAmphibian and Reptile Biology: 0 fractional worksAmazonian Archaeology and Ethnohistory: 0 fractional worksAnimal Ecology and Behavior Studies: 0 fractional works
EcologyNature and Landscape ConservationEcological ModelingGlobal and Planetary Change3 others

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

  1. 1 Wildlife Ecology and Conservation Ecology 2 works
  2. 2 Ecology and Vegetation Dynamics Studies Nature and Landscape Conservation 2 works
  3. 3 Species Distribution and Climate Change Ecological Modeling 2 works
  4. 4 Conservation, Biodiversity, and Resource Management Global and Planetary Change 1 works
  5. 5 Plant and animal studies Ecology, Evolution, Behavior and Systematics 1 works
  6. 6 Fish biology, ecology, and behavior Nature and Landscape Conservation 1 works
  7. 7 Primate Behavior and Ecology Social Psychology 1 works
  8. 8 Amphibian and Reptile Biology Global and Planetary Change 0 works
  9. 9 Amazonian Archaeology and Ethnohistory History 0 works
  10. 10 Animal Ecology and Behavior Studies Ecology 0 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 available71.2%not open28.8%

World: 28% of research is openly available.

with international co-authors84.9%domestic only15.1%

World: 19% is written across borders.

How has Instituto Maria e Joao Aleixo's research output changed?

Output in 2018–2022 was 1985% higher than in 2013–2017.

20152020
grewheldshrank

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

Other research institutions in Rio de Janeiro

All research institutions in Rio de Janeiro

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.