OOIR: Observatory of International Research

Papers

(The H4-Index of Harmful Algae is 29. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-06-01 to 2025-06-01.)

Article	Citations
Allelochemicals determine competition and grazing control in Alexandrium catenella	134
Editorial Board	124
Perturbations in a pelagic food web during the NE pacific large marine heatwave and persistent harmful diatom blooms	85
Editorial Board	83
Novel insights into toxin changes associated with the growth of Alexandrium pacificum: Revealing active toxin-secretion ability and toxin cell quota variation	81
Sub-tropical benthic/epiphytic dinoflagellates of Aotearoa New Zealand and Rangitāhua Kermadec Islands	63
Optimal growth conditions of the haptophyte Chrysochromulina leadbeateri causing massive fish mortality in Northern Norway	57
The Occurrence of Karenia species in mid-Atlantic coastal waters: Data from the Delmarva Peninsula, USA	54
Annual variation in domoic acid in phytoplankton and shellfish samples from Daya Bay of the South China Sea	52
Gambierdiscus species diversity and community structure in St. Thomas, USVI and the Florida Keys, USA	45
The queen scallop Aequipecten opercularis: A slow domoic acid depurator?	42
Using qPCR and high-resolution sensor data to model a multi-species Pseudo-nitzschia (Bacillariophyceae) bloom in southeastern Australia	42
Diversity and distribution of harmful microalgae in the Gulf of Thailand assessed by DNA metabarcoding	42
Intraspecific genetic diversity with unrestricted gene flow in the domoic acid-producing diatom Nitzschia navis-varingica (Bacillariophyceae) from the Western Pacific	42
Editorial Board	40
A non-microcystin-producing Microcystis wesenbergii strain alters fish food intake by disturbing neuro-endocrine appetite regulation	40
Application of clay minerals to remove extracellular ichthyotoxins produced by the dinoflagellates Karlodinium veneficum and Karenia mikimotoi	40
Clearance rates and toxin accumulation by North Atlantic bivalves during harmful algal blooms caused by the dinoflagellate, Dinophysis acuminata, in NY, USA, estuaries	39
Diverse harmful microalgal community assemblages in the Johor Strait and the environmental effects on its community dynamics	38
Domoic acid in Canadian Pacific waters, from 2016 to 2021, and relationships with physical and chemical conditions	38
Genomic characterization of coexisting anatoxin-producing and non-toxigenic Microcoleus subspecies in benthic mats from the Wolastoq, New Brunswick, Canada	35
On the conditions promoting Pseudo-nitzschia spp. blooms in the eastern English Channel and southern North Sea	33
Benthic harmful microalgae and their impacts in South America	33
Research on the biology and ecology of the harmful algal bloom species Phaeocystis globosa in China: Progresses in the last 20 years	32
Phytoplankton community and HAB species in the South China Sea detected by morphological and metabarcoding approaches	32

Cyanobacterial bloom monitoring and assessment in Latin America	31
Marine phycotoxin levels in shellfish—14 years of data gathered along the Italian coast	31
Effects of nitrate on the saxitoxins biosynthesis revealed by sxt genes in the toxic dinoflagellate Alexandrium pacificum (group IV)	30
Environmental controls of harmful cyanobacterial blooms in Chinese inland waters	30
Temporal bloom dynamics of the marine dinoflagellate Tripos furca in the Penang Strait	29
Daily variations of Ostreopsis cf. ovata abundances in NW Mediterranean Sea	29