About

I am an interdisciplinary scientist with a focus on coastal and marine ecosystems. Based in North Queensland, I have been working across the tropical Indo-Pacific for 10 years. I am currently a lecturer and research scientist with the College of Science and Engineering at James Cook University. My research seeks to understand how seagrass and seaweed meadows, mangroves forests, coral reefs, rivers, estuaries and wetlands underpin fish populations, fisheries and human communities. I am interested in how landscapes, including human landscapes, function as ecosystems in different parts of the world. I am focused on providing relevant, context specific and data-rich science for the management of these ecosystems, by harnessing recent innovations such as Artificial Intelligence. I also develop phone apps to allow for the widespread collection of critical new data, such as fish catch from remote communities in the Pacific, and shark-human interaction in Queensland fisheries.  

Interests
Research
  • Fish Nurseries
  • Animal-Habitat Relationships
  • Seascape Ecology
  • Data-poor Fisheries
  • Climate Change Impacts
Teaching
  • MB3270 Coastal, Estuarine and Mangrove Ecosystems
  • SWU/JCU Biostatistics and Experimental Design
Research Disciplines
Socio-Economic Objectives
Publications

These are the most recent publications associated with this author. To see a detailed profile of all publications stored at JCU, visit ResearchOnline@JCU.

Journal Articles
More

ResearchOnline@JCU stores 22+ research outputs authored by Dr Michael Bradley from 2015 onwards.

Current Funding

Current and recent Research Funding to JCU is shown by funding source and project.

Great Barrier Reef Foundation - Reef Trust Partnership

Integrated reef fish monitoring - Nursery Seascapes

Indicative Funding
$102,345 over 2 years (administered by Australian Institute of Marine Science)
Summary
A 2 year monitoring program to understand the abundance, diversity, and assemblage composition of Great Barrier Reef Fishes. Within this program, JCU Marine Data Tech will be working with project partners conducting bi-annual surveys of reef fishes in nursery seascapes in the central GBR. Data will be collected using stereo Remote Underwater Video Systems and processed using Artificial Intelligence computing.
Investigators
Michael Bradley, Dmitry Konovalov and Marcus Sheaves (College of Science & Engineering)
Keywords
Reef Fish; Seascape; Great Barrier Reef; Fisheries; Monitoring; Nursery grounds

Ecological Society of Australia - Holsworth Wildlife Research Endowment

How are stingray communities distributed across tropical intertidal sandflats and which environmental factors influence their habitat use?

Indicative Funding
$11,665 over 3 years
Summary
Stingrays are important meso-predators in coastal habitats around the world that impact biotic communities and structure physical environments. However, broad spatial assessments of ray habitat use are lacking, resulting in poor understanding of their ecological value and how to implement effective management strategies. The project aims to assess how the composition of stingray communities varies across tropical intertidal sandflats and which environmental variables (including prey availability) influence their distribution patterns. This goal is divided into five research objectives whose outcomes will improve habitat use models for intertidal rays and investigate important aspects of ray foraging and movement behaviours.
Investigators
Jaelen Myers, Marcus Sheaves, Carlo Mattone, Michael Bradley and Adam Barnett (College of Science & Engineering)
Keywords
Predator-prey; Habitat use; stingray; Intertidal sandflat; Animal distribution

Australian Society for Fish Biology - Michael Hall Student Innovation Award

Integrating spatio-temporal distributions of estuary whiprays (Hemitrygon fluviorum) with natural behaviours to better understand fine-scale habitat use in estuary environments

Indicative Funding
$1,000 over 1 year
Summary
The aim of this project is to evaluate spatio-temporal distributions and behaviours of estuary stingrays to contribute new knowledge on fine-scale habitat use. Interpreting these data together will show how individuals distribute over available habitat but also which behaviours drive these patterns. Additionally, prolonged observations of natural behaviours will highlight the foraging strategies of estuary stingrays and if there are foraging facilitation interactions between rays and other fish. This component will be valuable for highlighting how data on animal behaviour can be adapted into species management.
Investigators
Jaelen Myers, Marcus Sheaves, Carlo Mattone, Michael Bradley and Joni Fitzsimmons (College of Science & Engineering and Macquarie University)
Keywords
Predator-prey; Habitat use; Stingrays; Intertidal sandflat; Animal distribution

Royal Zoological Society of New South Wales - Ethel Mary Read Research Grant

Acoustic tagging of stingrays

Indicative Funding
$3,000 over 1 year
Summary
My aim is to assess how the dispersal and habitat selection of juvenile rays to better estimate their ecological roles and improve conservation strategies for species in tropical estuaries. Juvenile rays of two species (Mangrove whipray (Urogymnus granulatus) and Australian whipray (Himantura australis)) will be tagged and monitored over a period of 6-12 months with a passive acoustic receiver array in Deluge Inlet, QLD. This project will detail the seasonal residency, dispersal ranges, and core habitat ranges of each species over short (diel) and long-term (monthly, seasonally) temporal scales.
Investigators
Jaelen Myers, Marcus Sheaves, Carlo Mattone and Michael Bradley (College of Science & Engineering)
Keywords
Movement ecology; Habitat use; Stingray; Intertidal sandflat; Animal distribution; Drone

Morris Family Foundation - Student Research Grant

Distributions and behaviours of stingrays

Indicative Funding
$3,000 over 1 year
Summary
Stingrays are abundant intermediate predators in shallow coastal waters that impact biotic communities and structure physical environments. However, assessments of ray communities and their habitat use are sparse, resulting in poor understanding of their ecological value and management. For this project, I will evaluate ray populations in diverse intertidal habitats around Orpheus Island and examine how spatio-temporal factors influence community composition, distribution and behaviours. This goal is divided into research objectives with outcomes that will improve our ability to identify valuable areas for rays and understand how behaviours are linked to habitat choice, functional roles, and ecological impacts.
Investigators
Jaelen Myers, Marcus Sheaves, Carlo Mattone and Michael Bradley (College of Science & Engineering)
Keywords
Movement Ecology; Habitat Use; Stingray; Intertidal Sandflat; Animal Distribution; Drone

WV Scott Charitable Trust - Research Grant

Addressing urgent welfare concerns for Blackspotted Croaker (Protonibea diacanthus) populations in Queensland

Indicative Funding
$50,000 over 3 years
Summary
The Blackspotted Croaker (also known as black jewfish) is targeted by commercial, recreational, indigenous and charter fishing groups. Since 2017 there has been a rapid increase in targeted commercial fishing effort for Blackspotteed Croaker in Queensland. Given the high value of Blackspotteed Croaker, their vulnerability as aggregating species and the absence of a stock assessment to inform how many populations need to be managed, updated biological/ecological information (Including stock structure) are needed for assessment and protection of Blackspotted Croaker stock(s) in Queensland. The study aims at identifying stock structure and connectivity (including aggregation time) in order to improve management of th species across Queensland.
Investigators
Marcus Sheaves, Adam Barnett, Carlo Mattone and Michael Bradley (College of Science & Engineering)
Keywords
Population Genetic Structure; Fisheries Management; Epinephelus nigritus (Serranidae); Blackspotted Croaker

The World Wide Fund for Nature, Australia - Contract Research

JCU Spawning Potential app development

Indicative Funding
$37,500 (administered by World Wide Fund for Nature Australia)
Summary
The central biological measure of success for the ?Community- Based Sustainable Development in Solomon Island and PNG Coastal Communities? projects are trends in the Spawning Potential Ratio (SPR) of key target species. This Project seeks to refine the Spawning Potential Survey (SPS) App (JCU FISH) to include spatial reporting tools that can be utilised by survey participants to monitor spatial and temporal trends in SPR. This project extends from an earlier ?proof of concept? project funded by the WWF Ocean Practice where the potential for automatic identification and measurement of target species from a single image was realised.
Investigators
Marcus Sheaves, Ickjai Lee, Jason Holdsworth and Michael Bradley (College of Science & Engineering)
Keywords
Reef Fish; Pacific Islands; Fisheries; App; Catch data; Monitoring

Australian Marine Conservation Society - Contract Research

Spatial evaluation of megafauna distribution and gill net fisheries on the GBR.

Indicative Funding
$6,750
Summary
The aims of the project is to assess how the distribution and important ecological regions for various species of megafauna in the GBR, overlap with current commercial gillnet activities. This will be done creating spatial maps that will also be used to highlight areas of data deficiency.
Investigators
Marcus Sheaves, Carlo Mattone, Caitlin Lennard and Michael Bradley (College of Science & Engineering)
Keywords
Gillnets Fishery; Megafauna distribution; Fisheries management

Hinchinbrook Shire Council - Contract Research

Lower Herbert Drainage Concerns-Mangrove Expansion

Indicative Funding
$10,186 over 1 year
Summary
The Project aims at assessing the effect of removing overhanging mangrove trees that have grown over artificially made channels over the last few decades. The mangrove pose a threat to the water flow, causing the drain to overfill during periods of heavy rainfall and flood the surrounding areas.
Investigators
Marcus Sheaves, Nathan Waltham, Carlo Mattone and Michael Bradley (College of Science & Engineering and TropWater)
Keywords
Mangrove Forest; Nursery Grounds; Clearance

World Wide Fund for Nature (US) - Contract Research

From Coastal Communities to Cloud Communities ? New Application and Artificial Intelligence to Monitor Fish Stocks Using Photos ? Application Development

Indicative Funding
$53,100 over 1 year
Summary
The Project aims at develop an artificial intelligence capable to autonomously identify fish species and number from images collected at fish markets in remote location, so that effective catch rate can be evaluated and management policies can be developed.
Investigators
Marcus Sheaves, Carlo Mattone, Michael Bradley, Joanne Lee, Jason Holdsworth, Art (Hemmaphan) Suwanwiwat and Ickjai Lee (College of Science & Engineering)
Keywords
Artificial Intelligence; Phone App; Caught Fish; Catch Rate

WA Department of Primary Industries and Regional Development - Contract Research

Identification of benthic structure using machine learning

Indicative Funding
$36,200 (administered by Wa Department of Primary Industries and Regional Development)
Summary
The Project aims at automating the classification of benthic structure and biota from images using machine learning
Investigators
Marcus Sheaves, Bronson Philippa, Carlo Mattone and Michael Bradley (College of Science & Engineering)
Keywords
Benthic Assessment; Machine Learning
Supervision

Advisory Accreditation: I can be on your Advisory Panel as a Secondary Advisor.

These Higher Degree Research projects are either current or by students who have completed their studies within the past 5 years at JCU. Linked titles show theses available within ResearchOnline@JCU.

Current
  • Ecological and Environmental Characteristics of Nurseries of Fisheries Species, and Implications for the Management of Critical Fish Habitats (PhD , Secondary Advisor)
  • How are stingray communities distributed across tropical intertidal sandflats and which environmental factors influence their habit use? (PhD , Secondary Advisor)
  • Investigating the challenges and needs of small island developing states to develop improved processes for the monitoring of fouling marine invasive species (PhD , Secondary Advisor)
  • Habitat Context and Trophic Structure in Tropical Intertidal Systems (PhD , Secondary Advisor)
Data

These are the most recent metadata records associated with this researcher. To see a detailed description of all dataset records, visit Research Data Australia.

Collaboration

The map shows research collaborations by institution from the past 7 years.
Note: Map points are indicative of the countries or states that institutions are associated with.

  • 5+ collaborations
  • 4 collaborations
  • 3 collaborations
  • 2 collaborations
  • 1 collaboration
  • Indicates the Tropics (Torrid Zone)

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jcu.me/michael.bradley

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