Data

Translucency Monitoring-Hypothesis 4

data.nsw.gov.au
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ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=http://data.nsw.gov.au/data/dataset/hefm-imef-translucency-monitoring-hypothesis-4&rft.title=Translucency Monitoring-Hypothesis 4&rft.identifier=http://data.nsw.gov.au/data/dataset/hefm-imef-translucency-monitoring-hypothesis-4&rft.publisher=data.nsw.gov.au&rft.description=Rocky riffles in rivers support a complex community of algae, bacteria, fungi and detritus often held together by a polysaccharide matrix. This biofilm provides food for invertebrates, some fish, platypus, rakali and turtles. Biofilms are scoured naturally by high flows. River regulation alters the timing, duration and frequency of biofilm scouring. Environmental flows downstream of dams, including translucent and transparent releases are designed to restore some of the variability of flow and allow scouring to reset early-stage biofilm, which is more palatable for aquatic animals.\r\n\r\nIMEF biofilm and invertebrate studies were performed in the Hunter and Murrumbidgee Rivers, testing the hypothesis (IMEF Hypothesis 4) that restoring some freshes and high flows would induce scouring of silt and biofilms and improved habitat quality for some invertebrate scrapers and their predators.\r\n\r\nNB: This is a landing page. To access the datasets, expand the RELATED DATASETS tab.\r\n\r\n\r\n-----------------------------------\r\n\r\nNote: If you would like to ask a question, make any suggestions, or tell us how you are using this dataset, please visit the [NSW Water Hub which has an online forum](https://water-hub.seed.nsw.gov.au/thread/search) you can join.&rft.creator=Anonymous&rft.date=2026&rft.coverage=141,-37.7 141,-28 154,-28 154,-37.7 141,-37.7&rft_rights=Creative Commons Attribution http://www.opendefinition.org/licenses/cc-by&rft_subject=BIODIVERSITY&rft_subject=DCCEEW - Water&rft_subject=DCCEEW - Water Science&rft_subject=Ecosystem processes&rft_subject=Invertebrates&rft_subject=SURFACE WATER&rft_subject=Water quality&rft_subject=biofilm&rft_subject=flow variability&rft_subject=periphyton&rft_subject=productivity&rft_subject=stable isotopes&rft.type=dataset&rft.language=English Access the data
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Brief description

Rocky riffles in rivers support a complex community of algae, bacteria, fungi and detritus often held together by a polysaccharide matrix. This biofilm provides food for invertebrates, some fish, platypus, rakali and turtles. Biofilms are scoured naturally by high flows. River regulation alters the timing, duration and frequency of biofilm scouring. Environmental flows downstream of dams, including translucent and transparent releases are designed to restore some of the variability of flow and allow scouring to reset early-stage biofilm, which is more palatable for aquatic animals.

IMEF biofilm and invertebrate studies were performed in the Hunter and Murrumbidgee Rivers, testing the hypothesis (IMEF Hypothesis 4) that restoring some freshes and high flows would induce scouring of silt and biofilms and improved habitat quality for some invertebrate scrapers and their predators.

NB: This is a landing page. To access the datasets, expand the RELATED DATASETS tab.


-----------------------------------

Note: If you would like to ask a question, make any suggestions, or tell us how you are using this dataset, please visit the [NSW Water Hub which has an online forum](https://water-hub.seed.nsw.gov.au/thread/search) you can join.

141,-37.7 141,-28 154,-28 154,-37.7 141,-37.7

147.5,-32.85

Subjects
BIODIVERSITY | DCCEEW - Water | DCCEEW - Water Science | Ecosystem processes | Invertebrates | SURFACE WATER | Water quality | biofilm | flow variability | periphyton | productivity | stable isotopes |

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Other Information
NSW Department of Climate Change, Energy, the Environment and Water

url : http://data.nsw.gov.au/data/organization/nsw-department-of-climate-change-energy-the-environment-and-water

Identifiers
ACN 633 798 857