Jowett Consulting Overview

What we do!

• • Environmental flows and hydrology

  • Instream habitat analysis for determining environmental flow requirements to support fish and invertebrate habitat

  • Fish habitat requirements

  • Fish passage

  • Water temperature and suspended sediment modelling

  • Computer modelling and program development

Experience Shows!

Over 40 years of experience in engineering hydrology, environmental flow requirements, and aquatic biology. Expertise includes hydraulic-habitat, water temperature and suspended sediment modelling and the biological implications of flow regime alteration.

Expert evidence for regional council hearings, Environment Court, and National Conservation Orders

on:

• • instream flow assessment

  • flow management plans

  • flushing flows

  • water temperature and dissolved oxygen

Computer Software

• • TIMETRENDS for date/time data including Kendall seasonal trend analysis, GAMs, Event analysis and others.

  • New Zealand freshwater fish database assistant to assist users of the NZFFD to easily analyse and visualise the fish data. On-line access to the NZFFD is freely available (https://nzffdms.niwa.co.nz/search).

  • New Zealand species database for users of NZFFDB as well as others wanting a generalised database

  • MOPED for statistical analysis of environmental patterns, including self-organising maps, Twinspan and Decorana, UPGMA, Discriminant analysis, Generalised additive models, 1D and 2D loess.

  • CULVERT for fish passage through culverts

  • HABPRF for analysis of habitat suitability and habitat models