Freshwater Ecologists
Environmental Impact Assessments Limited is a niche environmental consultancy specialising in:
- freshwater quality
- data analysis
- environmental impact assessments
- resource consent advice
- wetland delineations
- vegetation assessments
- stream ecology valuations
- fish translocations and monitoring
- pest animal and plant monitoring



Brett Stansfield - Director (PG Dip Sci, MSc Hons)
Environmental Scientist with 29 years experience
Guest lecturer for Auckland University of Technology
Extensive experience in monitoring and technical reporting of rivers lakes wetlands and coastal environments
Electric fishing certified
Expert witness for environment court and regional council hearings
New Zealand Freshwater Sciences Society member
Water New Zealand member
15 years experience as an environmental scientist for two regional councils
Extensive experience in statistical analysis and reporting of water quality data.
Certified independent hearings commissioner
Responsible for external client management

Dr Peter Edwards MSc (Hons) Marine Science, PHD
Proficient in Te Reo Maori
Freshwater and marine taxonomy
Relationship building with external and internal stakeholders and local Iwi
Underwater survey experience (Mayor Island Marine Reserve, Te Whanganui-AHei Marine Reserve, environments Mercury Islands)
Freshwater lakes, streams and invertebrate surveys (Rotorua lakes district, Tauranga, Katikati)
Estuary survey and sample collection
Internal & external audit, compliance monitoring
Extensive laboratory experience

Dr. Rob Lewis MSc (Hons) Marine Biology, PHD Molecular Biology
Rob is a marine and freshwater macroinvertebrate taxonomist. Rob also has extensive experience in molecular biology. Rob is our R code guru which enables us to produce very informative graphics for our reporting. Rob also is also a whizz at:
Genetic sequencing, metabar coding and population connectivity
Data analysis , statistics and graphical data presentation
Field community surveys
Molecular biology laboratory methods
eDNA sampling and interpretation
R coding
Water quality and ecology surveys

Kartik Bhat, PG Dip Env Man, MSc (Hons)
Kartik holds an MSc (Hons) in Environmental Science and a post graduate diploma in Environmental Management. Kartik has extensive experience in environmental auditing and consent and compliance monitoring. Kartik's duties include:
Water Quality Monitoring and Assessment
Aquatic Macroinvertebrate Taxonomy
Technical Reporting
Survey Design
QGIS Mapping
Staitistical Analyses
Stakeholder relationships advisor

Kanchan Waghela MSc (Hons)
Kanchan Waghela is our laboratory supervisor, she takes care of laboratory processes and staff training. Kanchan is our go to for data reporting, quality assurance and is also a qualified environmental educator. Kanchan has trained as an environmental botanist.

Kushaal Maharaj
Kushaal holds a MSc Hons from Auckland University of Technology. His thesis researched the use of drones for monitoring bird populations. Kushaal is one of our senior technicians, he takes care of a lot of things including:
Fish Monitoring - electric fishing and trap setting
Soil sampling - for contaminated sites investigations
Aquatic macroinvertebrate taxonomy
Statistical Analyses using R
Reviewing technical reports for approval
Water quality grab sampling
Our Associates
There is no job too big or too small for EIA. We work with a number of specialists and associates.
LUKE GOWING
Ecologist/Resource Management Specialist
- Preparation of Assessment of Environmental Effects (AEE) and other environmental documentation
- Evidence presentation at Council hearings & Environment Court.
- Stakeholder Engagement
- Analysis and interpretation of biological communities and water chemistry data
- Freshwater surveys- SEV, MCI, habitat assessment, fish surveys
- Marine ecological surveys
Email: lgowing@argoenv.com
Web: www.argoenv.com
KELLY HUGHES - ATS ENVIRONMENTAL
Fish passage expert
Culvert remediations
Flume remediations
Supplier of flexi baffles and spat rope for culvert retrofits
Tidal gate design, install and maintenance
Flow modelling of baffle structures
Email: kellyh@ats-environmental.com
Web: www.ats-environmental.com
Dr. Christopher A. Dada
- Dr. Christopher A Dada Environmental Health Microbiologist/Data Specialist
- Quantitative Microbial Risk Assessment (QMRA)
- Data visualisation, predictive modelling
- R, SAS, Python, Tableau
Get in Touch
If you need resource consent advice for anything surrounding water quality, freshwater ecology, aquatic ecosystems, riparian vegetation, stream gaugings, stream depletion or freshwater biodiversity then please get in touch.