A/PROF Nathan Waltham ~ Senior Principal Research Officer, TropWATER and CSE
TropWater
- About
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- Teaching
- Interests
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- Research
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- Aquatic ecology
- Research Disciplines
- Socio-Economic Objectives
I have a deep interest in coastal landscape ecology and processes, in particular, urban ecology. To achieve this requires cooperation and integration from a multidisciplinary team of scientists, managers and policy makers.
My working career has focused on understanding fisheries sustainability, nutrient processes, landscape restoration, stormwater quality and quantity, geomorphic processes, erosion and sediment control, and contamination.
I believe that every opportunity to restore river systems should be taken, particularly those small actions which are often completed by community members: it is the accumulative impact of these which leads to the greatest achievements and success in protection and restoration. In doing this, I believe it is important to engage local partners (e.g. land holders, industry, indigenous groups, government agencies) to capture their values, build capacity/trust, and encourage community ownership of the project and to share in the success.
- Publications
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These are the most recent publications associated with this author. To see a detailed profile of all publications stored at JCU, visit ResearchOnline@JCU. Hover over Altmetrics badges to see social impact.
- Journal Articles
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- Bradley M, Sheaves M and Waltham N (2023) Urban-industrial seascapes can be abundant and dynamic fish habitat. Frontiers in Marine Science, 9.
- Duarte de Paula Costa M, Adame M, Bryant C, Hill J, Kellaway J, Lovelock C, Ola A, Rasheed M, Salinas C, Serrano O, Waltham N, York P, Young M and Macreadie P (2023) Quantifying blue carbon stocks and the role of protected areas to conserve coastal wetlands. Science of the Total Environment, 874.
- Cadier C, Waltham N, Canning A, Fry S and Adame M (in press) Tidal restoration to reduce greenhouse gas emissions from freshwater impounded coastal wetlands. Restoration Ecology,
- Canning A, Smart J, Dyke J, Curwen G, Hasan S and Waltham N (in press) Constructed Wetlands Suitability for Sugarcane Profitability, Freshwater Biodiversity and Ecosystem Services. Environmental Management,
- Castle A and Waltham N (2022) Clearance rates achieved by an intertidal oyster, Isognomon ephippium, under different tidal emersion and temperature conditions. Estuarine, Coastal and Shelf Science, 276.
- Claassens L, de Villiers N and Waltham N (2022) How developed is the South African coast? Baseline extent of South Africa’s coastal and estuarine infrastructure. Ocean and Coastal Management, 222.
- Hagger V, Waltham N and Lovelock C (2022) Opportunities for coastal wetland restoration for blue carbon with co-benefits for biodiversity, coastal fisheries, and water quality. Ecosystem Services, 55.
- Jahanbakht M, Xiang W, Waltham N and Rahimiazghadi M (2022) Distributed Deep Learning in the Cloud and Energy-efficient Real-time Image Processing at the Edge for Fish Segmentation in Underwater Videos Segmentation in Underwater Videos. IEEE Access, 10. pp. 117796-117807
- Murray N, Worthington T, Bunting P, Duce S, Hagger V, Lovelock C, Lucas R, Saunders M, Sheaves M, Spalding M, Waltham N and Lyons M (2022) High-resolution mapping of losses and gains of Earth's tidal wetlands. Science, 376. pp. 744-749
- Walker S, Sheaves M and Waltham N (in press) Barriers to Using UAVs in Conservation and Environmental Management: A Systematic Review. Environmental Management,
- Wallace J, Bueno C and Waltham N (2022) Modelling the removal of nitrogen and sediment by a constructed wetland system in north Queensland, Australia. Ecological Engineering, 184.
- Book Chapters
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- Walker S, Waltham N, Buelow C and Iles J (2022) Coastal habitat restoration, invasive species and remote monitoring solutions. In: Challenges in Estuarine and Coastal Science: Estuarine and Coastal Sciences Association 50th anniversary volume. Pelagic Publishing, Exeter, UK, pp. 160-176
- More
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ResearchOnline@JCU stores 94+ research outputs authored by A/PROF Nathan Waltham from 2012 onwards.
- Current Funding
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Current and recent Research Funding to JCU is shown by funding source and project.
Australian Ethical Foundation - Grant
Sugar cane conversion to wetland demonstration
- Indicative Funding
- $54,545 over 3 years
- Summary
- Coastal wetland restoration is critical and necessary in response to lost values and services, and to increase climate change resilience. Working with a local cane farmer and Mungalla Aboriginal Corporation for Business, we will undertake works to re-flood a marginal cane site with saltwater, and track the colonisation of marine plants (blue carbon) to learn what it takes to then upscale this restoration approach ahead of large-scale implementation. We will also track the water quality and biodiversity benefits of this restoration approach, in preparation of markets that are emerging.
- Investigators
- Nathan Waltham (TropWater)
- Keywords
- Wetland restoration; Ecosystem services; Water quality; Blue carbon; Fish
Greening Australia Limited - Contract Research
Mungalla ecosystem service restoration.
- Indicative Funding
- $293,600 over 3 years
- Summary
- Coastal wetland restoration is critical and necessary in response to lost values and services, and to increase climate change resilience. Working with Birdlife Australia, Greening Australia and Mungalla Aboriginal Corporation for Business, we will undertake a series of works to improve restoration outcomes for the wetland on the station. The focus is on blue carbon, though other services include water quality and biodiversity outcomes.
- Investigators
- Nathan Waltham (TropWater)
- Keywords
- Wetland Restoration; Ecosystem Services; Water Quality; Blue Carbon; Fish
North Queensland Bulk Ports Corporation - Contract Research
NQBP and JCU Research and Monitoring Partnership ? Ambient Marine Water Quality Studies.
- Indicative Funding
- $2,470,327 over 5 years
- Summary
- Ports are essential for economic trade and prosperity, and vital for the day-to-day function of modern society. TropWATER has provided services to complete an ambient marine water quality-monitoring program for North Queensland Bulk Ports (NQBP) at the Port of Mackay and Port of Hay Point since 2014. This program has expanded to include the other two major port facilities (Port of Abbot Point and Port of Weipa) administered by NQBP. The ambient marine water quality program includes deployment, maintenance and analysis of water quality data generated from high frequency loggers positioned on the sea floor, ambient water quality for metals, nutrients and herbicides. Data will be used by the port authority for strategic planning of operations.
- Investigators
- Nathan Waltham in collaboration with Jordan Ilse and Adam Canning (TropWater)
- Keywords
- Marine water quality; Seagrass; Port development; Coral
CSIRO - Contract Research
Water resource development assessment in northern Australia
- Indicative Funding
- $35,000 over 2 years
- Summary
- This project investigates the potential for water resource development in several catchment areas in northern Australia. Specifically, we will provide technical expertise in estuarine habitat ecology analysis, modelling and provide regional context to analysis outcomes and scenario analysis. Working in a large multidisciplinary team, we will also attend workshops and assist the project team more broadly to deliver the final reports to the Australian Government.
- Investigators
- Nathan Waltham (TropWater)
- Keywords
- Wetland Restoration; Ecosystem Services; Water Quality; Blue Carbon; Fish
The World Wide Fund for Nature, Australia - Contract Research
Blue carbon and cane land restoration methods development
- Indicative Funding
- $222,500 over 5 years
- Summary
- The Project seeks to advance the development of a blue carbon methodology under the Australian government?s emissions reduction fund, by undertaking a project to restore tidal connectivity and wetlands in a selected catchment. The Project team will collect baseline data (GHG emissions, carbon storage, water quality and biodiversity) to inform the blue carbon methodology and undertake post-restoration assessments to quantify carbon and co-benefits arising from the restoration. The Project also seeks to undertake terrestrial restoration on a small section of low productivity farmland, to quantify whether there is a business case for land use change to carbon farming in an intensive farming environment. The Project will then support the farmer/s within the Project boundary to transition to best management practice agriculture, and to quantify whether this transition satisfactorily offsets land taken out of production for the i) wetland restoration and ii) terrestrial revegetation undertaken.
- Investigators
- Nathan Waltham in collaboration with Marcus Sheaves, Michael Bradley and Carlo Mattone (College of Science & Engineering)
- Keywords
- Water Treatment; Coastal Wetlands Habitats; Wetland Restoration; Wetland Monitoring
CRC for Developing Northern Australia - Grant
Co-design phase, Water Security for Northern Australia Program
- Indicative Funding
- $225,000 over 1 year
- Summary
- This project will organise the collective expertise of 3 north Australian-based universities (James Cook University, Charles Darwin University and Central Queensland University) who have recently formed the Northern Australia Universities Alliance (NAUA). The NAUA partners will collaborate on undertaking a program of stakeholder engagement and research needs analysis in 4 focal catchments (Nodes) in order to design, develop and cost a cohesive and impactful 3.5 year research program that delivers on the core priorities of those stakeholders in those 4 focal catchments.
- Investigators
- Damien Burrows, Nathan Waltham and Yvette Williams (TropWater)
- Keywords
- Water Security; Northern Australia; Regional Development; Gilbert River; Ord River; Fitzroy River
Ecological Society of Australia - Holsworth Wildlife Research Endowment
Comparing the use of underwater video and unmanned aerial vehicles for assessing use of tropical estuaries by marine fauna
- Indicative Funding
- $1,800 over 1 year
- Summary
- Remote underwater video (RUV) is considered an established method for elucidating fish community structure but little work has been done to assess the optimal number of cameras required to precisely assess species richness. Unmanned aerial vehicles (UAVs), on the other hand have remained completely untested for this purpose. Using the two methods in tandem (RUVs and UAVs), this project aims to compare established (RUV) and novel (UAV) methodologies for determining fish community structure and determine how may cameras are required to accurately and precisely assess the use of large woody debris by fish.
- Investigators
- Sophie Walker and Nathan Waltham (College of Science & Engineering and TropWater)
- Keywords
- Unmanned aerial vehicle (UAV); Estuary; Remote underwater video (RUV); Conservation; Coastal; Fish
Reef Catchments Limited - Contract Research
Southern Expansion of Mackay-Whitsunday Ambient Marine Monitoring Program.
- Indicative Funding
- $314,590 over 6 years
- Summary
- TropWATER will provide seagrass assessment and water quality logging/chemistry services to assist regional marine ambient monitoring program administered by Mackay Whitsunday Healthy Rivers to Reef Partnership. These data will assist Mackay Whitsunday Healthy Rivers to Reef Partnership with the preparation of a regional report card.
- Investigators
- Nathan Waltham in collaboration with James Whinney and Peter Ridd (TropWater and College of Science & Engineering)
- Keywords
- Water Quality; Marine Ecosystems; Seagrass; Corals
Australian Government Department of Agriculture, Water and the Environment - National Environmental Science Program 2 (NESP 2) - Marine and Coastal Hub (NESP MAC Hub)
National inventory of implemented nature-based solutions
- Indicative Funding
- $2,000 over 1 year (administered by University of Tasmania)
- Summary
- This project will undertake a national inventory revie of implemented nature-based solutions that have been completed to mitigate coastal hazards. The aim of this project is to collate the information, build a repository of data and to provide end user groups access to the data and information to inform future planning decisions.
- Investigators
- Nathan Waltham (TropWater)
- Keywords
- Wetland Restoration; Ecosystem Services; Water Quality; Blue Carbon; Fish
Queensland Department of Environment and Science - Contract Research
Coastal restoration assessment and case studies to support the uptake of blue carbon.
- Indicative Funding
- $18,410
- Summary
- Coastal wetlands are under threat from a range of past land use changes. Efforts to restore the value back into wetlands is underway in many places, and demonstrating the success of these efforts requires access to scientific data. This project will examine a range of restoration approaches and provide a summary matrix of learnings, land use tenure, and pathways to delivery. The outcomes of this project will be used in the preparation of case studies that will feature on the Land Restoration Fund Queensland Government website, so that future project proponents can use these to assist with preparing project funding grants.
- Investigators
- Nathan Waltham (TropWater)
- Keywords
- Blue Carbon; Restoration; Ecosystem Services; Coastal wetland habitats
Australian Government Department of Agriculture, Water and the Environment - National Environmental Science Program 2 (NESP 2) - Marine and Coastal Hub (NESP MAC Hub)
Road map to coastal restoration assessment
- Indicative Funding
- $10,000 (administered by CSIRO)
- Summary
- Coastal wetlands are under threat from a range of past land use changes. Efforts to restore the value back into wetlands is underway in many places, and demonstrating the success of these efforts requires access to scientific data. This project examines through stakeholder participation the elements of a national road map to coastal and marine restoration. The project outcome will be a framework to implement a national road map for restoration that can be used by stakeholders in planning and completing restoration around Australia.
- Investigators
- Nathan Waltham (TropWater)
- Keywords
- Marine ecosystems; Restoration; Ecosystem Services; coastal wetland habitats
Great Barrier Reef Foundation - Contract Research
Coastal wetland restoration options investigation.
- Indicative Funding
- $118,388 over 1 year
- Summary
- Coastal restoration aims to improve and protect sensitive and important wetland areas. While restoration projects are underway most are small scale, and to achieve targets that will help government deliver on the Reef 2050 plan objectives we need to initiate large scale project sites. This project site is set to become the largest restoration site in north Queensland, and our team will be responsible for the collection of background science to support this project site. The data generated will be used to support the development of an options report outlining the full potential of restoration outcomes.
- Investigators
- Nathan Waltham and Adam Canning (TropWater)
- Keywords
- Coastal Wetlands; Water quality; Blue Carbon; Fisheries; Restoration
- Supervision
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Advisory Accreditation: I can be on your Advisory Panel as a Primary or 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
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- Assessing the Movement and Habits of Nocturnal Fishes. (PhD , Secondary Advisor)
- Material Flow Analysis of Rare Earth Elements and their Sustainable Use in Australia to Reduce Potential Environmental Impacts (PhD , Secondary Advisor)
- Life history strategies of barramundi (Lates calcarifer) in heavily modified Floodplains (PhD , Secondary Advisor)
- Mangrove restoration trajectories: trends & lessons from Guyana (PhD , Primary Advisor)
- Enabling accessible technology for more effective conservations of coastal systems (PhD , Primary Advisor)
- Natural tropical oysters as ecosystem engineers; implications for enhancing ecosystem goods and services (PhD , Primary Advisor)
- The functional diversity, utilisation and size structure of fish in mangrove habitats in Queensland, Australia (Masters , Primary Advisor)
- Saltmarsh Connectivity in Tropical Seascapes: An Eco-hydrological Perspective (PhD , Primary Advisor)
- The return of fish nursery function in recovered and restored tropical seagrass meadows (PhD , Advisor Mentor)
- Completed
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- Dissolved oxygen as a constraint for the structure of mangrove fish assemblages and their patterns of mangrove utilisation: a comparison between natural and disturbed mangrove ecosystems through the Austra (2019, PhD , Secondary Advisor)
- Novel approach for the classification of habitats in tropical estuaries exposed to urban and industrial development (2019, PhD , Primary Advisor)
- Data
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These are the most recent metadata records associated with this researcher. To see a detailed description of all dataset records, visit Research Data Australia.
- Trave, C. (2019) Structural habitat composition of Althaus Creek (Townsville, QLD). James Cook University
- Trave, C. (2019) Structural habitat composition of Ross River (Townsville, QLD). James Cook University
- Trave, C. (2019) Structural habitat composition of Alligator Creek (Townsville, QLD). James Cook University
- Trave, C. (2019) Structural habitat composition of Ross Creek (Townsville, QLD). James Cook University
- Collaboration
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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)
Connect with me
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My research areas
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