What is the Impact Factor of Harmful Algae?

According to the latest Clarivate Journal Citation Reports (JCR), the Journal Impact Factor of Harmful Algae is 4.10, ranking in quartile Q1 of Web of Science (SCIE).

Is Harmful Algae indexed in Web of Science or Scopus?

Yes, Harmful Algae is indexed in Web of Science (SCIE, Q1 quartile). Furthermore, in Scopus (SCImago), it holds an SJR rating of 1.335 (Q1) and an H-index of 125.

Who publishes Harmful Algae and what is the Article Processing Charge (APC)?

Harmful Algae is published by Elsevier. The estimated Article Processing Charge (APC) is approximately $3,591 USD, subject to institutional waivers and corresponding author affiliations.

What is the ISO-4 abbreviation and acronym of Harmful Algae?

The official ISO-4 abbreviation of Harmful Algae is "HARMFUL ALGAE" with common acronym "haralg". This standardized title abbreviation is used in citation lists conforming to IEEE, APA, Harvard, or Vancouver styles.

WoS SCIE Q1Scopus Q1SCImago #3,013Top JournalHybrid

Harmful Algae

Acronym:haralg

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Abbreviation (ISO):HARMFUL ALGAE

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Identifier (ISSN):1568-9883(Print)/1878-1470(Online)

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Publisher:Elsevier

Official Website Submission Portal Compare

Clarivate IF (2026)

4.1↓ -0.4

Journal Impact Factor

IF Trend↓

WoS Quartile

WoS SCIETop Tier

Clarivate WoS JCR

WoS Categories↓

JCR Release Date: 2026-06-17

Impact Factor Trend (2018–2026)

Clarivate IF trend for Harmful Algae

WoS Q1

Annual Impact Factor Metric

Current (2026):4.1

Scopus SJR & RankScopus Q1

1.335

#3,013

SCImago Journal Rank citation prestige weighting

Scopus Year: 2025

H-Index (2025)

125

125 papers with at least that number of citations each

WoS: SCIE / JCRTop Tier

Self-Citation Rate12.7%

Safe Level (< 15%)Warning Level (> 20%)

Self-citation below 15% indicates strong scholarly independence.

Volume & Open AccessHybrid

126articles/year

35.89% Gold OA•98.41% Original Research

Aims & Scope

This journal provides a forum to promote knowledge of harmful microalgae and macroalgae, including cyanobacteria, as well as monitoring, management and control of these organisms.

Topics Covered (Recognized by AI)

Biology98.8%Ecology81.3%Geology77.6%Chemistry76.5%Organic chemistry64.8%Oceanography64.1%Nutrient56.1%Phytoplankton53.3%Botany52.5%Genetics51.9%Fishery46.2%Algal bloom41.4%Biochemistry41.4%Physics35.4%Paleontology33.6%Dinoflagellate27%Environmental science24.3%Geography23.1%Optics22.8%Bacteria22.7%Zoology22.2%Medicine21.9%Bloom20.4%Fish <Actinopterygii>20.4%

Primary Research Areas

Biology Marine & Freshwater Biology

Official Website NLM PubMed Catalog Submission Portal SCImago Profile

0 calls

Special Issues

Calls for Papers

No active Calls for Papers found for this journal.

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WoS Categories & Quartiles

Detailed JCR / JCI category rankings and quartile breakdown from Clarivate

Clarivate JCR & JCI

JCRSCIE2026

MARINE & FRESHWATER BIOLOGY

Rank15/124

IndexSCIE

JCISCIE2026

MARINE & FRESHWATER BIOLOGY

Rank4/124

IndexSCIE

Category	Index	Rank	Quartile
MARINE & FRESHWATER BIOLOGY	JCRSCIE	15/124	Q1
MARINE & FRESHWATER BIOLOGY	JCISCIE	4/124	Q1

Annual Historical Statistics & Publications

Track annual publication volume, total citations, and Impact Factor evolution

12 year

2026Latest

IF4.1

Articles / Year133

Total Citations41

2025

IF4.5

Articles / Year182

Total Citations614

2024

IF5.5

Articles / Year153

Total Citations1,161

2023

IF6.6

Articles / Year123

Total Citations1,529

2022

IF5.905

Articles / Year127

Total Citations2,486

Year	Impact Factor	Articles / Year	Total Citations
2026	4.1	133	41
2025	4.5	182	614
2024	5.5	153	1,161
2023	6.6	123	1,529
2022	5.905	127	2,486
2021	4.273	139	5,068
2020	3.707	149	4,909
2019	5.012	140	7,512
2018	4.138	120	4,463
2017	—	127	4,800
2016	—	150	13,052
2015	—	112	5,180

SCImago & Scopus Journal Intelligence

Global SCImago ranking, SJR prestige index, Scopus coverage, and societal policy impact

Rank #3,013Scopus Q1SCImago Profile

Scopus Coverage:2002-2026

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Scopus Broad Areas:Agricultural and Biological Sciences

Scopus Citation Rank (SJR)Q1

1.335

Weighted prestige citation metric per document indexed in the Scopus database.

Quartile: Scopus Q1

Citations / Doc (2 years)

4.46

Average citations received per document published in the 2-year window.

2-Year Citation Window

Estimated Publication Fee (APC)

$3,591 USD

Estimated Article Processing Charge for Open Access publication.

Estimated cost / article

Scopus 3-Year Publication & Citation Window

3-Year Citations1,781

3-Year Documents359

Citable Documents359

Aggregated from Scopus database across the 3-year SJR evaluation window.

Societal Impact & Inclusivity (SCImago)

Policy Citations (Overton)2

Citations in government and international policy documents

Female Author Rate46.3%

Percentage of female authors published in the journal

Real-world societal policy reach and author gender diversity tracked by SCImago.

Scopus Subject Categories

Aquatic ScienceQ1

Plant ScienceQ1

Academic Metric Intelligence

Journal Metrics & Citation Visualizations

Total Cites vs Self-Cites

Evaluation of scholarly independence and citation reach

Total citations steady growth

Self-citation: 12.7%

Citations per Document

Citation metric windows across 2, 3, and 4 years

Cites / Doc (4 years)Cites / Doc (3 years)Cites / Doc (2 years)

Chinese Academy of Sciences (CAS) Classification

Major / minor zone classification and CAS Early Warning List history

Major Category (Broad Field):

2区 (Zone 2)Biology

Minor Category (Specific Field):

1区MARINE & FRESHWATER BIOLOGY

CAS Early Warning List History:

Updated annually: 2020 – 2024

2020

Not warned

2021

Not warned

2022

Not warned

2023

Not warned

2024

Not warned

Academic Intelligence Overview & Context

ImpaQ Analysis

Harmful Algae (acronym: haralg, abbr: HARMFUL ALGAE, ISSN: 1568-9883) is a peer-reviewed international scholarly journal in the field of Biology, published by Elsevier in United States since 2002. The periodical holds a Journal Impact Factor (JIF) of 4.10, ranking in quartile Q1 of Web of Science (SCIE), a Scopus SJR indicator of 1.335 (Q1), an H-index of 125.

The journal enforces rigorous peer evaluation with an average review speed of 13.9周, a publication frequency of Quarterly, an annual output of approximately 126 scientific articles. In terms of accessibility and author fees, it operates under the Hybrid model with an estimated APC of $3,591 USD. It serves as a benchmark publication platform for academics, researchers, and doctoral candidates seeking global research visibility.