Ecosystem Health Index Report

Trends

Results

The index of ecological health of the waterways of the Fitzroy Basin decreased overall in 2020-21 compared to 2019-20. During the same period, the condition of Callide, Comet, Connors, Fitzroy and Nogoa increased and the condition of Estuary Zone, Lower Dawson, Lower Isaac, Mackenzie, Theresa, Upper Dawson and Upper Isaac decreased

The long term trend of the Fitzroy Basin has seen a steady decline in condition. The long term condition of Callide, Connors, Fitzroy, Lower Dawson, Lower Isaac, Mackenzie, Theresa, Upper Dawson and Upper Isaac decreased and the long term condition of Comet, Estuary Zone and Nogoa increased

Trends for each reporting area can be explored by clicking on the results for the desired area.

Results: Overall

In 2020-21 the overall condition of Overall decreased compared to 2019-20. The long term condition of Overall has seen a steady decline.

Trend for indicators in the Overall in 2020-21 compared to 2019-20:

  • No trend data available for Phys-Chem
  • No trend data available for Nutrient
  • No trend data available for Toxicant
  • No trend data available for Ecology

Results: Callide

In 2020-21 the overall condition of Callide increased compared to 2019-20. The long term condition of Callide has seen a steady decline.

Trend for indicators in the Callide in 2020-21 compared to 2019-20:

  • Scores decreased for Phys-Chem indicators, except for Electrical Conductivity.
  • Scores increased for Nutrient indicators, except for Total Nitrogen.
  • Scores decreased for Toxicant indicators. No trend analysis available for Arsenic, Cadmium, Chromium, Cobalt, Lead, Mercury, Molybdenum, Nickel or Uranium
  • No trend data available for Ecology

Results: Comet

In 2020-21 the overall condition of Comet increased compared to 2019-20. The long term condition of Comet has been steadily improving.

Trend for indicators in the Comet in 2020-21 compared to 2019-20:

  • Scores decreased for Phys-Chem indicators, except for Sulfate.
  • Scores decreased for Nutrient indicators.
  • Scores decreased for Toxicant indicators, except for Copper. No trend analysis available for Arsenic, Cadmium, Mercury or Molybdenum
  • Scores increased for Ecology indicators, except for SIGNAL Index.

Results: Connors

In 2020-21 the overall condition of Connors increased compared to 2019-20. The long term condition of Connors has seen a steady decline.

Trend for indicators in the Connors in 2020-21 compared to 2019-20:

  • Scores decreased for Phys-Chem indicators, except for Sulfate.
  • Scores decreased for Nutrient indicators.
  • Scores decreased for Toxicant indicators, except for Copper and Uranium. No trend analysis available for Molybdenum
  • No trend data available for Ecology

Results: Lower Isaac

In 2020-21 the overall condition of Lower Isaac decreased compared to 2019-20. The long term condition of Lower Isaac has seen a steady decline.

Trend for indicators in the Lower Isaac in 2020-21 compared to 2019-20:

  • Scores decreased for Phys-Chem indicators.
  • Scores decreased for Nutrient indicators, except for Filterable Reactive Phosphorus and Oxidised Nitrogen.
  • Scores decreased for Toxicant indicators. No trend analysis available for Arsenic, Cadmium, Cobalt, Lead, Mercury or Molybdenum
  • No trend data available for Ecology

Results: Fitzroy

In 2020-21 the overall condition of Fitzroy increased compared to 2019-20. The long term condition of Fitzroy has seen a steady decline.

Trend for indicators in the Fitzroy in 2020-21 compared to 2019-20:

  • Scores increased for Phys-Chem indicators, except for pH.
  • Scores decreased for Nutrient indicators, except for Filterable Reactive Phosphorus and Total Phosphorus.
  • Scores decreased for Toxicant indicators, except for Copper. No trend analysis available for Arsenic, Cadmium, Chromium, Cobalt, Lead, Mercury, Molybdenum, Nickel, Selenium or Uranium
  • No trend data available for Ecology

Results: Theresa

In 2020-21 the overall condition of Theresa decreased compared to 2019-20. The long term condition of Theresa has seen a steady decline.

Trend for indicators in the Theresa in 2020-21 compared to 2019-20:

  • Scores decreased for Phys-Chem indicators.
  • Scores decreased for Nutrient indicators.
  • Scores decreased for Toxicant indicators. No trend analysis available for Molybdenum
  • Scores decreased for Ecology indicators, except for SIGNAL Index.

Results: Mackenzie

In 2020-21 the overall condition of Mackenzie decreased compared to 2019-20. The long term condition of Mackenzie has seen a steady decline.

Trend for indicators in the Mackenzie in 2020-21 compared to 2019-20:

  • Scores increased for Phys-Chem indicators, except for Electrical Conductivity.
  • Scores decreased for Nutrient indicators.
  • Scores decreased for Toxicant indicators, except for Copper, Lead, Selenium and Uranium. No trend analysis available for Molybdenum
  • Scores decreased for Ecology indicators, except for SIGNAL Index.

Results: Upper Dawson

In 2020-21 the overall condition of Upper Dawson decreased compared to 2019-20. The long term condition of Upper Dawson has seen a steady decline.

Trend for indicators in the Upper Dawson in 2020-21 compared to 2019-20:

  • Scores decreased for Phys-Chem indicators, except for Electrical Conductivity.
  • Scores decreased for Nutrient indicators.
  • Scores decreased for Toxicant indicators. No trend analysis available for Aluminium, Arsenic, Cadmium, Chromium, Cobalt, Copper, Lead, Mercury, Molybdenum, Nickel or Uranium
  • No trend data available for Ecology

Results: Lower Dawson

In 2020-21 the overall condition of Lower Dawson decreased compared to 2019-20. The long term condition of Lower Dawson has seen a steady decline.

Trend for indicators in the Lower Dawson in 2020-21 compared to 2019-20:

  • Scores decreased for Phys-Chem indicators, except for Turbidity.
  • Scores decreased for Nutrient indicators.
  • Scores decreased for Toxicant indicators, except for Aluminium, Chromium, Iron, Lead and Selenium. No trend analysis available for Molybdenum
  • Scores decreased for Ecology indicators, except for Taxa Richness.

Results: Nogoa

In 2020-21 the overall condition of Nogoa increased compared to 2019-20. The long term condition of Nogoa has been steadily improving.

Trend for indicators in the Nogoa in 2020-21 compared to 2019-20:

  • Scores increased for Phys-Chem indicators, except for pH.
  • Scores increased for Nutrient indicators.
  • No trend data available for Toxicant
  • No trend data available for Ecology

Results: Upper Isaac

In 2020-21 the overall condition of Upper Isaac decreased compared to 2019-20. The long term condition of Upper Isaac has seen a steady decline.

Trend for indicators in the Upper Isaac in 2020-21 compared to 2019-20:

  • Scores increased for Phys-Chem indicators, except for Turbidity.
  • Scores decreased for Nutrient indicators, except for Total Phosphorus.
  • Scores decreased for Toxicant indicators, except for Uranium. No trend analysis available for Molybdenum
  • Scores decreased for Ecology indicators, except for SIGNAL Index.

Results: Estuary

In 2020-21 the overall condition of Estuary decreased compared to 2019-20. The long term condition of Estuary has been steadily improving.

Trend for indicators in the Estuary in 2020-21 compared to 2019-20:

  • Scores increased for Phys-Chem indicators.
  • Scores increased for Nutrient indicators, except for Ammonia.
  • Scores decreased for Ecology indicators.