Journal profile · PLANT SCIENCESECOLOGYZOO-ECOLOGY
Acta Amazonica
ISSN 0044-5967 · eISSN 1809-4392 · Instituto Nacional de Pesquisas da Amazonia · BRAZIL
Acta Amazonica: CAS Zone 4 · Environmental Science & Ecology (2025 upgraded edition); impact factor 1.42; diamond open access (no APC); no APC; review about 22 weeks (community reports); 68 articles in 2025; indexed in SCIE and Scopus.
Scope
Aims, scope and focus
Acta Amazonica is published by Instituto Nacional de Pesquisas da Amazonia and is in Zone 4 of Environmental Science & Ecology in the CAS Journal Ranking (2025 upgraded edition). By OpenAlex counts of its recent articles, its largest topics are Fish biology, ecology, and behavior, Plant and animal studies and Agricultural and Food Sciences, together about 28.4% of its articles. (generated from OpenAlex topic counts and CAS ranking data)
Acta Amzonica is a multidisciplinary, peer-reviewed, open access, free-of-charge scientific journal for research in and about the Amazon region, published since 1971 by the Instituto Nacional de Pesquisas da Amazônia - INPA, in Brazil. The journal publishes quarterly issues containing articles and short communications in English across a broad range of disciplines, including Agronomy and Forestry, Animal Sciences and Fisheries, Biodiversity and Conservation, Biotechnology, Chemistry and Pharmacology, Environmental Sciences, Food Sciences, Geosciences, Health Sciences, Human and Social Sciences, and Materials Technology.
Source: LetPub
Research area (LetPub): PLANT SCIENCESECOLOGYZOO-ECOLOGY
Main research topics OpenAlex counts of recent articles; shares are approximate
- Fish biology, ecology, and behaviorEnvironmental Science10.7%
- Plant and animal studiesAgricultural and Biological Sciences9.4%
- Agricultural and Food SciencesAgricultural and Biological Sciences8.4%
- Soil Management and Crop YieldAgricultural and Biological Sciences6.7%
- Growth and nutrition in plantsAgricultural and Biological Sciences5.7%
- Plant Diversity and EvolutionAgricultural and Biological Sciences5.4%
- Aquaculture Nutrition and GrowthAgricultural and Biological Sciences4.4%
- Forest ecology and managementEnvironmental Science4.4%
Rankings & indexing
CAS ranking and database indexing
CAS Journal Ranking
CAS Journal Ranking, upgraded edition (March 2025)Environmental Science & Ecology Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Environmental Science & Ecology | Zone 4 |
| Minor | Ecology | Zone 4 |
| Minor | Plant Sciences | Zone 4 |
| Minor | Zoology | Zone 4 |
Top journal: noReview journal: no
CAS Xinrui Journal Ranking (March 2026)Environmental Science & Ecology Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Environmental Science & Ecology | Zone 4 |
| Minor | Plant Sciences | Zone 4 |
| Minor | Ecology | Zone 4 |
| Minor | Zoology | Zone 4 |
Top journal: noReview journal: not marked
CAS Journal Ranking, previous upgraded edition (December 2023)Environmental Science & Ecology Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Environmental Science & Ecology | Zone 4 |
| Minor | Ecology | Zone 4 |
| Minor | Plant Sciences | Zone 4 |
| Minor | Zoology | Zone 4 |
Top journal: noReview journal: no
Database indexing
SCIEScopusDOAJLetPub
International journal early-warning lists: not listed in any editionLetPub
Editions, and major and minor categories, are shown separately and never merged into one zone; check which edition your institution uses before you submit or report.
Metrics
Impact metrics and publication volume
Impact
- Impact factor
- 1.42LetPub ·
- CiteScore 2026-06
- 1.8LetPub ·
- SJR 2026-06
- 0.36LetPub ·
- SNIP 2026-06
- 0.67LetPub ·
- h-index
- 23LetPub ·
- h-index
- 73OpenAlex ·
- i10-index
- 1,340OpenAlex ·
- 2-year mean citedness
- 1.99OpenAlex ·
- Self-citation rate
- 12.5%LetPub ·
- Share of gold OA articles
- 96.84%LetPub ·
Volume
- Articles per year
- 66LetPub ·
Articles by year OpenAlex count · 3,372 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 32 | 32 | 4 |
| 2025 | 68 | 68 | 52 |
| 2024 | 44 | 44 | 230 |
| 2023 | 46 | 46 | 165 |
| 2022 | 48 | 48 | 214 |
| 2021 | 46 | 46 | 362 |
Sources count differently and were observed at different times, so each source's own value is kept; "publisher" marks figures from the journal's website.
Review & acceptance
Review time and acceptance
- Average review time (community reports)
- about 22 weeksLetPub ·
- Submission to publication (journal-reported)
- about 22 weeksDOAJ ·
- Peer review
- Double anonymous peer reviewDOAJ
Community reports come from authors' own submissions (confidence 0.5) and are not a promise from the journal; for publisher figures, the journal's own definitions apply.
Fees & open access
APC and open-access policy
Diamond open access (no APC)DOAJ
Every article is open access and authors pay no article processing charge.
| Source | APC | Fee waiver | License | Observed |
|---|---|---|---|---|
| DOAJ | No APC | No | CC BY | |
| LetPub | No APC | No | — |
The journal's website is authoritative for fees; sources were observed at different times and each keeps its own value, without averaging.
Profile
Publication details and official links
- Publisher
- Instituto Nacional de Pesquisas da Amazonia
- Country or region
- BRAZIL
- Language
- English, Portuguese, Spanish
- ISSN
- 0044-5967
- Electronic ISSN
- 1809-4392
- Official links
- Journal homepage ↗DOAJ
- Submission system ↗Publisher website
- Author guidelines ↗DOAJ
- Aims & Scope ↗DOAJ
- APC information ↗DOAJ
- Open access statement ↗DOAJ
- License & copyright ↗DOAJ
- Peer review process ↗DOAJ
- Editorial board ↗DOAJ
FAQ
Frequently asked questions about Acta Amazonica
What CAS zone is Acta Amazonica in?
In the 2025 upgraded edition of the CAS Journal Ranking, Acta Amazonica is in Zone 4 of Environmental Science & Ecology, and in Zone 4 of the minor category Ecology / Plant Sciences / Zoology. In the 2026 Xinrui edition it is in Zone 4 of Environmental Science & Ecology. Zones from different editions, and from major and minor categories, are not interchangeable.
What is the impact factor of Acta Amazonica?
The latest impact factor listed by LetPub is 1.42; CiteScore 1.8, h-index 73.
How long does peer review take at Acta Amazonica?
Authors report an average review time of about 22 weeks. Article statistics cover accepted papers only, publisher figures follow the journal's own definitions, and community reports come from authors' own submissions; none is a promise from the journal.
Which databases index Acta Amazonica?
According to LetPub and DOAJ records, Acta Amazonica is indexed in SCIE, Scopus and DOAJ.
Is Acta Amazonica open access, and what is the APC?
Acta Amazonica is a diamond open-access journal (no APC). It charges no article processing charge.
Sources and updates
The facts on this page come from LetPub, OpenAlex, DOAJ; every figure is tagged with its source and the date it was observed, and conflicting values are kept per source. LetPub source page: view ↗ (archived 2026-08-26). Last updated: .