river health monitoring aquatic health unit julia fortune, julia schult
DESCRIPTION
River Health Monitoring Aquatic Health Unit Julia Fortune, Julia Schult. Overview. Introduction New NRETAS funding Nutrient monitoring and research Daly River Monitoring Status Report Discussion. DRMAG Suggested Approach. Phase 1: - PowerPoint PPT PresentationTRANSCRIPT
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DEPARTMENT OFNATURAL RESOURCES, ENVIRONMENT, THE ARTS AND SPORT
River Health MonitoringAquatic Health Unit
Julia Fortune, Julia Schult
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Overview
• IntroductionIntroduction• New NRETAS fundingNew NRETAS funding• Nutrient monitoring and researchNutrient monitoring and research• Daly River Monitoring Status Daly River Monitoring Status
ReportReport• DiscussionDiscussion
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DRMAG Suggested Approach
• Phase 1:– Coordinated reporting of current monitoring
(focus on pressures)
• Phase 2:– New monitoring by NTG
and community– Dependent on extra
resources
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Current Work
NRETAS funding $60k:
• Nutrient Monitoring
• Nutrient Limitation Research
• Daly River Monitoring Status Report
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Nutrient Monitoring and ResearchWhy nutrients?
• Most likely impact of development: increased nutrients
• Modelling shows potential doubling of algal biomass with nutrient addition
• Some doubt about accuracy of historical nutrient data
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Proposed Nutrient MonitoringDry Season 2011
• Extensive nutrient sampling using new more accurate analysis technique
• Determine reference condition and water quality objectives
• Provide opportunities for community involvement in sampling
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Nutrient Limitation Research• Limited information on nutrient limitation
and likely effects of nutrient increases
• Nutrient limitation research in collaboration with TRaCK
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• Bring together information from different agencies
Status Report
• Provide template for future reporting
• Introduce P-S-R model
• Reporting by subcatchment to highlight areas of greatest pressure
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Status Report
• Style similar toDarwin Harbour Report Cards
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Status Report (Example only)Pressure Monitoring
• Land Use• Clearing• Water extraction/bores• Fire frequency• Flows/gauge stations• Mining
Grazing
Conservation
Urban
Other
No of licensed bores 999
Total groundwater allocation (GL)
99999
Current Use (2010) 9999
Percent 10%
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Subcatchment Water Quality
Fringing vegetation
Hydrology Geo-morphology
1 Bamboo Creek X X X X
2 Bradshaw Creek X X X X
3 Chilling Creek X X X X
4 Daly River √ X X X
5 Dead Horse Creek X X X X
6 Douglas River √ X √ X
7 Fergusson River X X X X
8 Fish River X X X X
9 Flora River X X X X
10 Greenant Creek √ X X X
11 Hayward Creek X X X X
12 Katherine River √ X √ X
13 King and Dry Rivers X X v X
14 Limestone Creek X X X X
15 Seventeen Mile Creek X X X X
16 Stray Creek X X X X
Status Report (Example only)Stressor Monitoring
• Overview of current stressor monitoring
• Historical WQ monitoring (2005-2010)
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Status Report (Example only)Biological Monitoring
• Fish monitoring (DoR)– E.g. catch per unit effort data
• Macroinvertebrates (DoR)– E.g. disused mine monitoring
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Status Report - Outcomes
• Highlight sub-catchments of concern• Show current bias towards pressure
monitoring• Highlight gaps in current monitoring• Provide background info for public
consultation• Template for future reporting
Expected publication Mid 2011
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