Web Access Research Portal

Researcher: Hewitt, CL (Professor Chad Hewitt)

Fields of Research

Marine and Estuarine Ecology (incl. Marine Ichthyology)
Invasive Species Ecology
Aquaculture
Environment Policy
Environmental Management
Environmental Science and Management
Biogeography and Phylogeography
Conservation and Biodiversity
Environmental Impact Assessment
Evolutionary Biology
Natural Resource Management
Environmental Sciences
International Law (excl. International Trade Law)
Maritime Engineering
Behavioural Ecology
Biological Sciences
Phycology (incl. Marine Grasses)
Environmental Education and Extension
Environmental and Natural Resources Law
Fish Pests and Diseases
Transportation and Freight Services
Global Change Biology
Environmental Monitoring
Transport Economics
Public Policy
Wildlife and Habitat Management
Fisheries Sciences

Research Objectives

Marine Oceanic Processes (excl. climate related)
Control of Pests, Diseases and Exotic Species in Marine Environments
Pre-Border Biosecurity
Marine Flora, Fauna and Biodiversity
Fisheries - Aquaculture
Control of Animal Pests, Diseases and Exotic Species in Forest and Woodlands Environments
Coastal and Marine Management Policy
Natural Hazards in Marine Environments
Expanding Knowledge in the Biological Sciences
Control of Animal Pests, Diseases and Exotic Species in Coastal and Estuarine Environments
Border Biosecurity (incl. Quarantine and Inspection)
Climate Change Adaptation Measures
Expanding Knowledge in the Environmental Sciences
Antarctic and Sub-Antarctic Flora, Fauna and Biodiversity
Ecosystem Assessment and Management of Marine Environments
Ecosystem Assessment and Management of Coastal and Estuarine Environments
Coastal and Estuarine Flora, Fauna and Biodiversity
Trade and Environment
Water Safety
Coastal and Estuarine Land Management
Control of Plant Pests, Diseases and Exotic Species in Coastal and Estuarine Environments
Protected Conservation Areas in Marine Environments
Physical and Chemical Conditions of Water in Coastal and Estuarine Environments
Land and Water Management of environments
Law Reform
Fisheries - Wild Caught

Career Best Publications

Introduced and cryptogenic species in Port Phillip Bay, Victoria, Australia; Marine Biology
Introductions of seaweeds: accidental transfer pathways and mechanisms; Botanica Marina
Invasion success: Does size really matter? A response to Roy et al (2001); Ecology Letters
Marine introductions in the Southern Ocean: an unrecognised hazard to biodiversity; Marine Pollution Bulletin
New Zealand marine biosecurity: delivering outcomes in a fluid environment; New Zealand Journal of Marine and Freshwater Research

Research Publications

A gastropod's induced behavioral and morphological responses to invasive Carcinus maenas in Australia indicate a lack of novelty advantage; Biological Invasions
A hierarchical framework to aid biodiversity assessment for coastal zone management and marine protected area selection; Ocean & Coastal Management
A hub and spoke network model to analyse the secondary dispersal of introduced marine species in Indonesia; ICES Journal of Marine Science
A new species of large and highly contractile hydroid in the genus Candelabrum (Hydrozoa: Anthoathecatae) from southern Oregon, USA; Canadian Journal of Zoology
A review of international, regional and national biosecurity risk assessment frameworks; Marine Policy
Abundance of the introduced seastar, Asterias amurensis, and spatial variability in soft sediment assemblages in SE Tasmania: Clear correlations but complex interpretation; Estuarine Coastal and Shelf Science
Applying risk analysis to marine aquaculture species; Chilean Aquaculture Risk Assessment Workshop
Assessing marine biosecurity risks when data are limited: bioregion pathway and species-based exposure analyses; ICES Journal of Marine Science
Assessing Rapid-Evolution of the Chemical Recognition of an Invasive Crab Species in Tasmania; Sixth International conference on Marine Biovasions, marine bioinvaders: agents of change in a changing world.
Assessing the ecological impacts of an introduced seastar: the importance of multiple methods; Biological Invasions
Assessment of relative contribution of vectors to the introduction and translocation of marine invasive species
Assessment of relative contribution of vectors to the introduction and translocation of marine invasive species. Final Report for project 9/2007. An independent report undertaken for the National System for the Prevention and Management of Marine Pest Incursions, Department of Agriculture, Fisheries and Forestry. NCMCRS Report, UTAS AMC, Launceston, AUSTRALIA. 45 pp
Ballast water risk assessment: principles, processes and methods; I C E S Journal of Marine Science
Biogeography of the cold and cold-temperate ascidian fauna in the Southern Hemisphere; Fourth biennial conference of the International Biography Society
Biosecurity risk assessment of introduced species on the Port of Jakarta, Indonesia; 7th International Conference Marine Bioinvasions
Biotic and abiotic factors affecting Tasmanian distribution and density of the introduced New Zealand porcelain crab Petrolisthes elongatus; Marine Extremes and Everything in Between AMSA NZMSS 2012
Biotic and abiotic factors affecting the Tasmanian distribution and density of the introduced New Zealand porcelain crab Petrolisthes elongatus; Aquatic Invasions
Characterizing Vectors of Marine Invasion; Biological Invasions in Marine Ecoystems: Ecological, Management and Geographic Perspectives
Conflict between International Treaties: Failing to mitigate the effects of introduced marine species ; Dialogue
Consideration for the Development of a Risk Framework for Marine Biofouling; Sixth International conference on Marine Biovasions, marine bioinvaders: agents of change in a changing world.
Critical review of the IMO international convention on the management of ships' ballast water and sediments; Harmful Algae
Defining the seaward extent of New Zealand's coastal zone; Estuarine, Coastal and Shelf Science
Detection and Monitoring of Introduced Marine Species in a Tropical Coral Reef; Seychelles
Development and evaluation of a PCR based test for detection of Asterias (Echinodermata: Asteroidea) larvae in plankton samples from ballast water; Marine and Freshwater Research
Differences in reproductive phenology of Undaria pinnatifida in two Australian regions; AMSA 2010
Distribution, density, and habitat use among native and introduced populations of the Australasian burrowing isopod Sphaeroma quoianum; Biological Invasions
Does Evolutionary History Influence Recognition of the European Green Crab (Carcinus Maenas) in the Northwest Atlantic?; Sixth International conference on Marine Biovasions, marine bioinvaders: agents of change in a changing world.
Effect of vessel voyage speed on survival of biofouling organisms: implications for translocation of non-indigenous marine species ; Biofouling
Efficacy of physical removal of a marine pest: the introduced kelp Undaria pinnatifida in a Tasmanian Marine Reserve; Biological Invasions
Epibiotic pressure contributes to biofouling invader success; Scientific Reports
Epilogue: Canals, Invasion Corridors and Introductions; Bridging Divides: Maritime Canals as Invasion Corridors
Establishing an International Consortum for marine Biosecurity Education.NHT FFinal Report for Department of Environment, Water, heritage and the Arts. NCMCRS report. UTAS AMC, AUSTRALIA. 35pp
Examples of current international, regional and national regulatory frameworks for preventing and managing marine bioinvasions; Biological Invasions in Marine Ecosystems Ecological, Management, and Geographic Perspectives
Global and regional patterns of marine invasions, Abstract of Oral Presentation, 'managing Alien Species for Sustainable Development of Aquaculture and Fisheries' Florence, Italy, November 5-7, 2008; Managing Alien Species for Sustainable Development of Aquaculture and Fisheries
Heterogeneous zooplankton distribution in a ship's ballast tanks; Journal of Plankton Research
Hewitt CL and Campbell ML. 2010. The relative contribution of vectors to the introduction and translocation of invasive marine species. Commissioned by The Department of Agriculture, Fisheries and Forestry (DAFF), Canberra. 56pp
How often are invasion-induced ecological impacts missed?; Biological Invasions
Impact of introduced seastars Asterias amurensis on survivorship of juvenile commercial bivalves Fulvia tenuicostata; Marine Ecology-Progress Series
Impacts of introduced seaweeds; Botanica Marina
Inflation of biodiversity estimates: xenodiversity of the marine bryozoan fauna in Australian waters; Records of the South Australian Museum Monographs Series
Inshore Marine Ecosystems - Bryozoa. 100 Species
Inshore Marine Ecosystems - Bryozoa. II, the next 50 species
Inshore Marine Ecosystems - Bryozoa. II. 209 species
Inshore Marine Ecosystems - Bryozoa. II. Museum Evaluations: Tasmanian Art Gallery and Museum, Queen Victoria Museum, Museum and Art Galleries of the Northern Territory, Museum of Tropical Queensland, and the Museum of Victoria Collections
Inshore Marine Ecosystems - Bryozoa. Museum Evaluations: The Australian, Western Australian and South Australian Museum Collections
Interactions and impacts of two introduced species on a soft-sediment marine assemblage in SE Tasmania; Marine Biology
Introduced and cryptogenic species in Port Phillip Bay, Victoria, Australia; Marine Biology
Introduced macroalgae - a growing concern; Journal of Applied Phycology
Introduced marine species in Palau:using education and training to establish marine biosecurity outcomes; Sixth International conference on Marine Biovasions, marine bioinvaders: agents of change in a changing world.
Introduced marine species risk assessment - aquaculture; Understanding and applying risk analysis in aquaculture
Introductions of seaweeds: accidental transfer pathways and mechanisms; Botanica Marina
Invasion Success and Community Resistance in Single and Multiple Species Invasion Models: Do the Models Support the Conclusions?; Biological Invasions
Invasion success: Does size really matter? A response to Roy et al (2001); Ecology Letters
LATITUDINAL PATTERN OF MARINE INVASIONS FOR WESTERN NORTH AMERICA:CURRENT STATUS AND PREDICTIOONS. Abstract of Oral Presentatin, American Society of Limnology and Oceanography, Newfoundland, CANADA, June 8-13,2008; LATITUDINAL PATTERN OF MARINE INVASIONS FOR WESTERN NORTH AMERICA:CURRENT STATUS AND PREDICTIONS.
Latitudinal Patterns of Biological Invasions in Marine Ecosystems: A Polar Perspective ; Smithsonian at the Poles
Management of exogenous threats to Antarctica and the sub-Antarctic Islands: balancing risks from TBT and non-indigenous marine organisms; Marine Pollution Bulletin
Marine Bioinvasion Management: Structural Framework; Biological Invasions in Marine Ecosystems
Marine Biosecurity Issues in the World Oceans: Global activities and Australian directions; Ocean Yearbook
Marine biosecurity post-border management: developing incursion response systems for New Zealand; New Zealand Journal of Marine and Freshwater Research
Marine introductions in the Shark Bay World Heritage Property, Western Australia: a preliminary assessment; Diversity and Distributions
Marine introductions in the Southern Ocean: an unrecognised hazard to biodiversity; Marine Pollution Bulletin
Marine pests in paradise: capacity building, awareness raising and preliminary introduced species port survey results in the Republic of Palau; Management of Biological Invasions
Mechanisms for the prevention of marine bioinvasions for better biosecurity; Marine Pollution Bulletin
Mesoscale dispersal of the introduced kelp Undaria pinnatifida attached to unstable substrata; Botanica Marina
Mitigating uncertainty using alternative information sources and expert judgement in aquatic non-indigenous species risk assessment; Aquatic Invasions
Monitoring the threat of using marine invasive species for aquaculture; Chilean Aquaculture Risk Assessment Workshop
Native, cryptogenic or introduced? Ascidian species in the cold and cold-temperate regions of the Southern Hemishere; 2nd International Symposium in marine Sciences
New data on the reproductive phenology of the introduced kelp Undaria pinnatifida(Phaeophyceae, Laminariales) in Port Phillip Bay(Victoria, Australia); 17 International Conference on Aquatic Invasive Species
New Zealand marine biosecurity research directions to underpin management; New Zealand Science Review
New Zealand marine biosecurity: delivering outcomes in a fluid environment; New Zealand Journal of Marine and Freshwater Research
Non-native Aquaculture Species Releases: Implications for Aquatic Ecosystems; Aquaculture in the Ecosystem
Non-Native Aquaculture Species Releases: Implications for Aquatic Ecosystems; Aquaculture in the Ecosystem
Nonindigenous biota on artificial structures: could habitat creation facilitate biological invasions?; Marine Biology: international journal on life in oceans and coastal waters
Novel method for assessing the en route survivorship of biofouling organisms on various vessel types; Marine Pollution Bulletin
Palau Introduced marine Species port Survey Training & Preliminary Findings. A training workshop of the Marine Biosecurity Educatioon Consortium. NCMCRS Report.UTAS AMC, launceston, AUSTRALIA.59pp
Phenology of the introduced kelp Undaria pinnatifida in Blairgowrie (Australia) and management implications; 7th International Conference on Marine Bioinvasions
Predicting the risk of introduced marine species to the Galapagos Islands; Sixth International conference on Marine Biovasions, marine bioinvaders: agents of change in a changing world.
Protecting high-value areas from introduced marine species; Management of Biological Invasions
Repoductive phenology of the introduced kelp Undaria pinnatifida (Phaeophyscae,Laminariales) in Port Phillip Bay(Victoria, Australia); Biological Invasions
Reproductive Phenology of the Introduced Kelp Undaria Pinnatifida(Phaeophyceae,laminariales)in Port Philip Bay(Victoria Australia)Compared with Tasmania; Sixth International conference on Marine Biovasions, marine bioinvaders: agents of change in a changing world.
Reproductive phenology of the introduced kelp Undaria pinnatifida (Phaeophyta, Laminariales) in Tasmania, Australia; Phycologia
Review and evaluation of global, regional and national codes and regulations for the management of alien species in aquaculture systems. National Centre for Marine and Coastal Conservation Research Series
Risk Assessment of Marine Biological Invasions; Invasive Aquatic Species of Europe Distribution, Impact and Management
Settlement preference of native and non indigenous epibionts; 7th International Conference on Marine Bioinvasions
Ships' sea-chests: an overlooked transfer mechanism for non-indigenous marine species?; Marine Pollution Bulletin
Special Invasive Alien Species Issues: challenges for the marine systems; Invasive alien species - coping with aliens. In Proceedings of Biodiversity Loss and Species Extinctions: Managing risk in a changing world, a Global Synthesis Workshop convened at the IUCN World Conservation Forum
Survey evaluations to assess marine bioinvasions; Marine Pollution Bulletin
The Australian distribution of the introduced sphaeromatid isopod, Paracerceis sculpta; Crustaceana
The Australian National Introduced Marine Species Baseline Port Survey Program: Considerations, Survey Activities and Outcomes; 1st International Workshop on Global Monitoring Systems for Introduced/Invasive Marine Species
The CRIMP Review and Evaluation of Ballast Water Sampling Protocols; 1st International Workshop on Guidelines and Standards for Ballast Water Sampling
The distribution and diversity of tropical Australian marine bio-invasions; Pacific Science
The diversity of likely impacts of introduced marine species in Australian waters; Records of the South Australian Museum
The effect of vessel speed on survivorship of biofouling organisms at different hull locations; Biofouling
The Influence of spatial scale on the relationship between native diversity and invasion; Fifth International Conference on marine Bioinvasions
The Introduction and Dispersal of Introduced Species into Offshore Waters; Sixth International conference on Marine Biovasions, marine bioinvaders: agents of change in a changing world.
The role of uncertainty and subjective influences on consequence assessment by aquatic biosecurity experts; Journal of Environmental Management
The Tasmanian distribution and density of the introduced New Zealand porcelain crab Petrolisthes elongatus; 7th International Conference on Marine Bioinvasions
The vessel as a vector - biofouling, ballast water and sediments; Biological Invasions in Marine Ecosystems: Ecological, Management and Geographic Perspectives
Toward understanding patterns of coastal marine invasions: a prospectus; Invasive Aquatic Species of Europe Distribution, Impact and Management
Understanding and applying risk analysis in aquaculture. A manual for decision makers ; Food and Agriculture Organisation of the United Nations
Using a hub and spoke model to assess internal marine biosecurity risk patterns within Indonesi; 7th International Conference Marine Bioinvasions
Variability in the impact of an introduced predator (Asterias amurensis: Asteroidea) on soft-sediment assemblages; Journal of Experimental Marine Biology and Ecology
Vulnerabilities and adaptation of ports to climate change; Journal of Environmental Planning and Management
Zoogeography of the Southern New Zealand, Tasmanian and Southern African ascidian fauna; AMSA 2007

Research Projects

17th International Conference on Aquatic Invasive Species (ICAIS), (San Diego, California, USA). ; University of Tasmania (UTAS)
Developing a Report Card Process for the TEER Ecosystem Health Monitoring Program; Department of Agriculture (DoA (Cwth))
Developing the TEER Ecosystem Health Monitoring Program Framework; Department of Agriculture (DoA (Cwth))
Post-invasion Trait-mediated Indirect Interactions: Ecological and Evolutionary Impacts of the Invasive European Green Crab; Australian Research Council (ARC)
Preliminary Assessment of the Vulnerability of Australian Ports to Climate Change; University of Tasmania (UTAS)
Assessment and Biosecurity Plan to Minimize Risk of Marine Pest (Invasive) Species Transfers associated with Relocation of US Marine Corps Forces to Guam
Assessment of Marine Pest Risks associated with Biofouling

Research Candidate Supervision

Alternative Sources of Omega-3 Oils for Barramundi, Lates calcarifer, Aquaculture
An Assessment of the Commercial Trawl Fishery of the Sultanate of Oman Using the Ecologically Sustainable Development Framework
An Invasive Crustacean in Tasmania, Australia- A Study on the Introduced Porcelain Crab Petrolisthes Elongatus
Biosecurity Under Uncertainty- The Influence of Information Availability and Quality on Expert Decision-making for Risk Outcomes
Can Restoration Equivalency be Achieved in Coastal Restoration Efforts
Environmental Governance of Australia's Coasts
Evaluation of Artificial Reef Habitats and Impacts on Fisheries Resources
Is the Distribution of Native and Introduced Species Determined by Substrate Origin and/or Substrate Availability?
Keeping the Coastlines of the Southern Ocean Pest-free- Hazards, Risks and Management of Non-indigenous Species in High Latitude Marine Environments
The Dilemma of Aquaculture- Food Security versus BioSecurity
The Law as Protection for the Marine Environment
The Threat of Non-Indigenous Marine Species Towards Tasmanian Marine Protected Areas
Using Risk Perception to Develop a Robust Risk Assessment on Introduced Marine Species Within Marine Protected Areas