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Marine and Freshwater Research

Marine and Freshwater Research

Marine and Freshwater Research is a multidisciplinary journal publishing original research and reviews on all aquatic environments and subject areas. Read more about the journalMore

Editors-in-Chief: Shokoofeh Shamsi and Vinicius Farjalla

Publishing Model: Hybrid. Open Access options available.

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Latest

These articles are the latest published in the journal. Marine and Freshwater Research is published under a continuous publication model. More information is available on our Continuous Publication page.

Published online 12 May 2025

MF25030Behavioural flexibility of the platypus (Ornithorhynchus anatinus) in response to changing water depth in a drought-affected Tasmanian stream

Simon Roberts and Melody Serena 0000-0002-8666-1277
 

A photograph of a platypus foraging in a Tasmanian stream.

Time-lapse cameras were used to describe how platypus activity patterns changed during a cease-to-flow event lasting nearly 2 months along a normally reliably flowing Tasmanian stream. The findings indicate that the platypus’s ability to survive extended dry periods relies on its having access to sufficiently large and productive refuge habitats. (Photograph by Simon Roberts.)

MF25030 Abstract  |  MF25030 Full Text  | MF25030PDF (5.3 MB)  | MF25030Supplementary Material (913 KB)   Open Access Article

Published online 12 May 2025

MF24259Historical changes in marine communities uncovered in diverse data sources highlight impacts over half a century

John W. Turnbull 0000-0002-8935-1012, David J. Booth and Graeme F. Clark
 

An illustration showing differences between marine communities at Shiprock, near Sydney, before and after the 1980s.

Historical records can provide invaluable insights into long-term changes in marine communities, but they are limited by the methods used at the time. In this study, we have highlighted how the marine life at a popular site in Sydney has changed over 58 years, owing to the efforts of citizen scientists. (Image credit: Jordana Costa.)

MF24259 Abstract  |  MF24259 Full Text  | MF24259PDF (2.8 MB)  | MF24259Supplementary Material (696 KB)   Open Access Article

Published online 01 May 2025

MF24287Ramsar on repeat: quantifying US policy action by political party

James C. Whitacre 0000-0001-9455-7667
 

A diagram showing government timeline, party majority and environmental conventions index scores in the USA.

Statistically, US support for the Ramsar Convention has been bipartisan, and neither Democratic nor Republican majorities in the House or Senate correlated with better implementation. This finding jumpstarts a re-thinking of political affiliation and conservation goals, amid the incoming US Presidential administration. Globally, a new body of comparative research is possible using empirical data from the environmental conventions index (ECI). (Image credit: custom graphic: Design Crowd; designer: Rickyy.)

MF24287 Abstract  | PDF (1.2 MB) - $35.00 
Published online 01 May 2025

MF24216SARAS: a tool for the assessment of biodiversity and ecosystem services in semiarid dam reservoirs

Betsy Dantas de Medeiros 0000-0002-3747-9962, Magnólia de Araújo Campos, José Etham de Lucena Barbosa, Gislayne Kerliny de Aquino Queiroz, Maria João Feio and Daniele Jovem-Azevêdo
 

The semiarid reservoirs assessment system (SARAS) tool was developed with the aim of broadly assessing the quality of reservoirs. To do this, it takes into account the score obtained from provided benefits, those called ecosystem services (ES), their biodiversity and ecosystem functions and habitat. The final score makes the classification of the ecosystem possible.

MF24216 Abstract  | PDF (868 KB) - $35.00   | MF24216Supplementary Material (1.2 MB)
Published online 16 April 2025

MF25022Environmental drivers shaping mayfly assemblages in a Ramsar-declared Danube floodplain

Marina Vilenica 0000-0003-2053-2461, Viktorija Ergovic 0000-0003-4580-3221, Antun Alegro, Vedran Šegota, Anja Rimac, José Manuel Tierno de Figueroa 0000-0003-1616-9815, Manuel Jesús López-Rodríguez 0000-0001-6707-0992 and Zlatko Mihaljevic
 

Floodplains play an important role in regulating regional water and nutrient cycles in riverscapes, also supporting high biodiversity. Owing to limited knowledge about aquatic insects’ ecological requirements in such habitats, mayfly assemblages were studied in anthropogenically disturbed and near natural habitats in a Danube floodplain. The species-poor assemblages were influenced by water quality and aquatic macrophyte assemblages. Our results confirmed the high value of habitat heterogeneity for the aquatic macroinvertebrate conservation in extreme habitats such as large river floodplains.

MF25022 Abstract  | PDF (3.8 MB) - $35.00   | MF25022Supplementary Material (2.8 MB)
Published online 14 April 2025

MF24172Mitochondrial genetic divergence of Chiton articulatus (Polyplacophora: Chitonida) in the Mexican Tropical Pacific

Thelma A. Aguilar-Rendon, Omar Hernando Avila-Poveda 0000-0002-4411-0602 and Nancy C. Saavedra-Sotelo 0000-0001-9277-0675
 

The chiton Chiton articulatus is an endemic species of the Mexican Tropical Pacific, inhabiting rocky intertidal zones. Its short-lived planktonic larvae limit connectivity among populations across this region. As a result, most localities show clear genetic differences, except for two central sites where populations appear more connected. These findings highlight the need for wildlife managers to consider this genetic structure when developing conservation strategies.

MF24172 Abstract  | PDF (1.2 MB) - $35.00   | MF24172Supplementary Material (391 KB)
Published online 09 April 2025

MF23250Investigation of Bara-Baruga (mangrove) ecosystem recovery after a hail storm in Boambee Creek, Gumbaynggirr, NSW

Kirsten Benkendorff 0000-0003-4052-3888, Robert Briggs, Stefano Caraco, Jesse Shilling, Muhammad Islami, Adam Davey, Elani Boland-Hoskins and Ashley Dowell
 

This study applied traditional science, with indigenous participation, to investigate the causes and ecological impacts of a mangrove die-off in Boambee Creek, Gumbaynggirr Country, Australia. A severe hail storm defoliated mangroves at two sites in 2021. By 2023, one site recovered but the other remained unhealthy. Chemical contaminants were found in the water, sediment and mangrove roots. The unhealthy site had fewer aerial roots, seeds and seedlings and a lower diversity of invertebrates, confirming a loss of ecological integrity.

This article belongs to the collection: Science in Sea Country.

MF23250 Abstract  |  MF23250 Full Text  | MF23250PDF (4.1 MB)  | MF23250Supplementary Material (906 KB)   Open Access Article

Published online 09 April 2025

MF24179Nuanced influences of subtidal artificial shellfish structures on nekton communities in urbanised estuaries

Brad Martin 0009-0008-7429-1724, Charlie Huveneers 0000-0001-8937-1358, Simon Reeves and Ryan Baring
 

Urbanised estuaries are increasingly the focus for restoration structures including oyster reefs. However, human activities have altered these environments, which potentially limit restoration outcomes for nekton communities. We found that seasonal variation in environmental conditions had a greater influence on species distributions than small-scale restoration activities. Although high abundances of harvestable fishes were detected throughout the study and across survey sites. The restoration footprint and environmental conditions affected nekton communities.

MF24179 Abstract  |  MF24179 Full Text  | MF24179PDF (2.5 MB)  | MF24179Supplementary Material (392 KB)   Open Access Article

Published online 09 April 2025

MF24117Braiding Indigenous oral histories and habitat mapping to understand urchin barrens in southern New South Wales

Kyah Chewying 0009-0004-4767-5352, Walbunja Traditional Owners , Mitchell Gibbs, Rachel Przeslawksi 0000-0003-0269-3755 and Kerrylee Rogers 0000-0003-1350-4737
 

The proliferation of Centrostephanus rodgersii (long spined sea urchin) contributing to the formation of urchin barrens in New South Wales has prompted debate of whether the current densities are natural or exacerbated through overfishing and climate change. This study braided Traditional Knowledge and habitat mapping data through aerial imagery and underwater visual census imagery to analyse the spatiotemporal dynamic of barrens.

This article belongs to the collection: Science in Sea Country.

MF24117 Abstract  |  MF24117 Full Text  | MF24117PDF (2.2 MB)  | MF24117Supplementary Material (2.8 MB)   Open Access Article

Published online 31 March 2025

MF25007Phylogeography of the freshwater glassfishes (Ambassidae) of eastern Australia: cryptic species and hybrid zones

Peter J. Unmack 0000-0003-1175-1152, Michael P. Hammer, Rachael K. Remington, Jerald B. Johnson and Mark Adams
 

Australian freshwater glassfishes are difficult to identify and have a confusing history, with changing species names and distributions. We examined the eastern Australian species Ambassis agassizii to clarify its taxonomy and distribution. Detailed genetic analyses identified two species within A. agassizii and found complex patterns of interbreeding with species from surrounding river basins along with intricate and often unique biogeographic patterns.

MF25007 Abstract  |  MF25007 Full Text  | MF25007PDF (2 MB)  | MF25007Supplementary Material (476 KB)   Open Access Article

Published online 24 March 2025

MF24149A review of urchin barrens and the longspined sea urchin (Centrostephanus rodgersii) in New South Wales, Australia

Rachel Przeslawski 0000-0003-0269-3755, Rowan C. Chick 0000-0002-9397-6664, Tom Davis 0000-0003-0199-2024, Jeremy K. Day, Tim M. Glasby, Nathan Knott 0000-0002-7873-0412 and Maria Byrne
 

This review indicates that the presence, persistence and role of barrens and the longspined sea urchin (Centrostephanus rodgersii) seem unique in New South Wales, south-eastern Australia, and likely warrant unique management strategies between the north and far south of the state and among neighbouring jurisdictions as the species shifts its distribution.

MF24149 Abstract  |  MF24149 Full Text  | MF24149PDF (2.1 MB)  | MF24149Supplementary Material (1 MB)   Open Access Article

Published online 21 March 2025

MF24264Evaluating management effectiveness of the Moulouya River Estuary Ramsar Site in Morocco: an application of the R-METT tool and implications for conservation

Toufik Ouagga 0009-0003-9400-655X and Nargis Sahib
 

The evaluation of the management effectiveness of the Moulouya River Estuary in north-eastern Morocco, by using the Ramsar Management Effectiveness Tracking Tool (R-METT), has shown that management effectiveness of this site of biological and ecological interest (SIBE) is inadequate, requiring significant government conservation intervention with the support of conservation partners.

MF24264 Abstract  | PDF (1.7 MB) - $35.00   | MF24264Supplementary Material (476 KB)
Published online 20 March 2025

MF24205A consistent vegetation classification for wetland conservation and management in the Murray–Darling Basin, Australia

Yiwen Chen 0000-0002-2090-6788, Matthew J Colloff 0000-0002-3765-0627, Michael D Doherty and Jamie Pittock 0000-0001-6293-996X
 

We provide a basin-wide wetland vegetation classification that is simple, consistent, and reproducible, to support wetland conservation in the Murray–Darling Basin. We mapped the extent and distribution of wetland vegetation using ArcGIS Pro. We found that very few wetlands are recognised as protected areas and are unlikely to be managed through environmental flows.

MF24205 Abstract  |  MF24205 Full Text  | MF24205PDF (2.2 MB)  | MF24205Supplementary Material (550 KB)   Open Access Article

Published online 20 March 2025

MF24247Indigenous Ecological Knowledge of marine and freshwater organisms and ecosystems on Sea Country: from past absences to future inclusion

Mitchell C. Gibbs, Raphaela S. Rotolo-Ross, Laura M. Parker, Elliot Scanes, James Gibbs and Pauline M. Ross 0000-0002-8714-5194
 

Aboriginal and Torres Strait Islander peoples of Australia have lived on Sea Country for greater than 60,000 years. It is important that the ‘ecological’ in Indigenous Knowledge is prioritised in marine and freshwater research to repair, restore and sustain marine and freshwater organisms and ecosystems on Sea Country.

This article belongs to the collection: Science in Sea Country.

MF24247 Abstract  |  MF24247 Full Text  | MF24247PDF (317 KB)   Open Access Article

Just Accepted

These articles have been peer reviewed and accepted for publication. They are still in production and have not been edited, so may differ from the final published form.

Most Read

The Most Read ranking is based on the number of downloads in the last 60 days from papers published on the CSIRO PUBLISHING website within the last 12 months. Usage statistics are updated daily.

Collections

Collections are a curation of articles relevant to a topical research area

Science in Sea Country

Aboriginal and Torres Strait Islanders have a long and enduring connection to Sea Country. The marine science community must actively embrace Indigenous knowledge and make space for it in our current publishing systems, as well as exploring new and innovative ways to share knowledge and encourage the next generation of Indigenous scientists. To that end, the Australian Marine Sciences Association presents this Collection focusing on ‘Science in Sea Country’.

Collection Editors
Laura Parker and Rachel Przeslawski

Last Updated: 09 Apr 2025

Global perspectives: sustainable management of freshwater aquatic ecosystem services and water resources

Freshwater ecosystems, such as rivers, lakes, wetlands and estuaries, are essential for water purification, flood control and biodiversity. Given growing populations and climate change, sustainable management is critical for ensuring water quality and ecosystem health. The collection 'Global perspectives: sustainable management of freshwater aquatic ecosystem services and water resources' focuses on environmental flow assessments, pollution control, habitat restoration and climate change impacts. Contributions from the 7th International Symposium on Water Resource and Environmental Management (WREM2024) and other experts are invited to share innovative solutions for the global conservation and sustainable management of freshwater resources.

Collection Editor
Zhanhong Wan

Last Updated: 19 Mar 2025

Research highlights from South and Central America

This issue highlights groundbreaking research rooted in Central and South America, showcasing the region's rich biodiversity, unique ecosystems, and cultural heritage. From the ecological dynamics of the Amazon to sustainable agricultural innovations, these studies provide a window into the challenges and opportunities facing one of the world's most diverse regions. Researchers explore the intersection of science, conservation, and local knowledge, offering insights into preserving fragile ecosystems and fostering resilience in the face of climate change. With a focus on Central and South America, this collection underscores the importance of regional perspectives in addressing global issues. We hope these contributions inspire continued collaboration and innovative solutions for the sustainable future of the region and beyond.

Papers in this collection are free to read until 31 May 2025

Last Updated: 05 Feb 2025

Ecological monitoring and assessment of freshwater ecosystems: new trends and future challenges

Conservation efforts and restoration initiatives are crucial for improving biodiversity, ecological integrity, and ensuring the availability of clean water and other vital ecosystem services. This collection highlights the latest developments in these fields, as discussed at the 6th International Symposium on Water Pollution and Treatment 2023. The articles herein primarily concentrate on the sustainable enhancement of freshwater ecological system monitoring and assessment methods, the identification of indicator species, and the preservation of ecosystem services.

Collection Editor
Yong Xiao

Last Updated: 10 Jan 2025

Environmental flows in northern Murray–Darling Basin: what we know about the science and management after a decade of practice

Following the Basin Plan 2012, there has been a concerted effort from agencies and research institutions to manage and monitor flows and the environment in the Murray–Darling Basin. The Commonwealth Environmental Water Holder (CEWH) funded extensive research programs in the northern Murray–Darling Basin during the period of time following the Basin Plan's release. With the Basin Plan scheduled for renewal in the next few years after 2024, this collection is intended to provide a focused source of information of flow management related research in the northern Murray–Darling Basin. This collection will be a resource for the creators of the next Basin Plan and improve understanding of flow management more broadly in Australia and worldwide.

All papers in this collection are Open Access and the foreword by Southwell et al. is free to read.

Collection Editors
Paul Frazier, Sarah Mika, Neil Argent, Michael Peat, Sam Capon

Last Updated: 25 Oct 2024

Research into Chinese Wetlands

The 10th INTECOL International Wetlands Conference, held in Changshu, China, in September 2016, offered a platform to review and explore advances in research on wetland biodiversity, functions and ecosystem services and management. Hosted by the INTECOL Wetland Working Group, this international forum was an opportune time for Asian marine and freshwater researchers to present their research. This Collection contains a selection of nine articles published in Marine and Freshwater Research that showcase the range of research being undertaken within China.

Collection Editor
C. Max Finlayson

Last Updated: 12 Sep 2016

Shark and Ray Life History

Sharks and rays comprise an increasingly threatened group of aquatic predators. As the world’s shark and ray populations decline, improved conservation and management of these species is critical. Recognising that life history parameters form the basis for much of this research, we have compiled this ‘Shark and Ray Life History’ Collection of papers from Marine and Freshwater Research.

Last Updated: 13 Mar 2015

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