Douglas Bearham

Fishing event detection and species classification using computer vision and artificial intelligence for electronic monitoring

Muhammad Saqib, Muhammad Rizwan Khokher, Bo Yan, Douglas Bearham et autres

Fisheries regulations require detailed catch reporting on commercial fishing vessels. Vital components for the sustainable management of fish stocks include a robust estimate of the number of fish caught and the species composition. Catch recording is often done manually by human observers …

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The distribution of metal and petroleum-derived contaminants within sediments around oil and gas infrastructure in the Gippsland Basin, Australia

Sharon E. Hook, Scott D. Foster, Franziska Althaus, Douglas Bearham et autres

As oil and gas infrastructure comes to the end of its working life, a decommissioning decision must be made: should the infrastructure be abandoned in situ, repurposed, partially removed, or fully removed? Environmental contaminants around oil and gas infrastructure could influence these …

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The importance of blue carbon as a food source to oysters (Saccostrea cucullata) inside a tropical pristine Australian estuary

Douglas Bearham, Daniel Gorman, James McLaughlin, Dongyan Liu et autres

This study investigated the importance of blue carbon (carbon captured from the atmosphere by algae, mangrove and seagrass leaves) as a component of particulate organic matter (POM) along the pristine King George River (Kimberley region, Australia), and how this modulates the diet …

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Habitats and benthic biodiversity across a tropical estuarine–marine gradient in the eastern Kimberley region of Australia

Douglas Bearham, Joanna Strzelecki, Ana Hara, Andrew M. Hosie et autres

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Gamma‐irradiation of common biological samples for stable carbon and nitrogen isotope and elemental analyses

Daniel Gorman, Grzegorz Skrzypek, James McLaughlin, Douglas Bearham et autres

Rationale Around the world biosecurity measures are being strengthened to prevent the spread of pests and diseases across national and international borders. Quarantine protocols that involve sample sterilisation have potential effects on sample integrity. The consequences of sterilisation methods such as gamma …

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Macrophyte-derived detritus in shallow coastal waters contributes to suspended particulate organic matter and increases growth rates of Mytilus edulis

Douglas Bearham, MA Vanderklift, RA Downie, Damian P. Thomson et autres

Benthic suspension feeders, such as bivalves, potentially have several different food sources, including plankton and resuspended detritus of benthic origin. We hypothesised that suspension feeders are likely to feed on detritus if it is present. This inference would be further strengthened if …

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Molecular evidence of three species in the Pseudocaranx dentex complex (Carangidae) in Australian waters

Douglas Bearham, M. Ewers Robert, Jennifer A. Chaplin, Glenn I. Moore et autres

The discovery and identification of species is fundamental to the documentation, conservation and management of biodiversity. The taxonomy of the antitropical Pseudocaranx dentex complex (Carangidae) is confused and inconsistently reported. Previous morphological analyses concluded that this complex consisted of three species, namely …

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WAMSI 2 Dredging Science Node: Theme 5 Project 5.4 Recovery mechanisms [dataset]

Mathew A. Vanderklift, Douglas Bearham, Mick Haywood, Paul S. Lavery et autres

The objective of Project 5.4 was to determine whether recovery of seagrass in the Pilbara following disturbance is by sexual (recruitment from seeds) or asexual (vegetative regrowth from rhizome extension) means, and the relative importance of each, thereby determining the capacity, timeframes …

Natural dynamics: understanding natural dynamics of seagrasses of the north west of Western Australia. Report of Theme 5 - Project 5.3 prepared for the Dredging Science Node

Mat A. Vanderklift, Douglas Bearham, Mick Haywood, Hector Lozano‐Montes et autres

Relatively little is known of the spatial and temporal dynamics of seagrass meadows in the northwest of Western Australia, but such knowledge is needed when designing and evaluating studies that aim to detect potential dredging-related impacts on seagrass, and when making predictions …

WAMSI 2 - Dredging Science Node - Project 5.3 - Natural Dynamics

Mathew A. Vanderklift, Mick Haywood, James McLaughlin, Paul S. Lavery et autres

The Theme 5.3 study was undertaken to improve our understanding of the spatial and temporal patterns in seagrass composition, abundance and reproductive phenology in the Pilbara region. Key environmental parameters, especially light, that influence seagrass survival and can be altered by dredging …

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Role of winds and tides in timing of beach strandings, occurrence, and significance of swarms of the jellyfish Crambione mastigophora Mass 1903 (Scyphozoa: Rhizostomeae: Catostylidae) in north-western Australia

John Kenneth Keesing, Lisa‐Ann Gershwin, Tim Trew, Joanna Strzelecki et autres

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Multi Year Observations Reveal Variability in Residence of a Tropical Demersal Fish, Lethrinus nebulosus: Implications for Spatial Management

Richard D. Pillans, Douglas Bearham, Andrew Boomer, Ryan A. Downie et autres

Off the Ningaloo coast of North West Western Australia, Spangled Emperor Lethrinus nebulosus are among the most highly targeted recreational fish species. The Ningaloo Reef Marine Park comprises an area of 4,566 km2 of which 34% is protected from fishing by 18 …

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