Stomping out Sediment in the Burdekin Final Report | Page 52

• sub-catchment area ripped and reseeded , small area of Scald 1 ripped and reseeded ; and
• northern gully / subcatchment remediated / reseeded by Landholders Driving Change project and completed in January 2020 .
Treatment elements
Action
300m diversion bank and three spreader banks completed November 2017 , recovered rock PCDs constructed November 2017 , rock apron completed January 2020
50ha fenced project area completed in November 2018 ( including approx . 2.5 ha of diversion bank sub-catchment ripped and reseeded )
1ha trial treatment area fenced - most of Scald 2 - for biological carpeting treatment
1 / 2 ha trial area fenced for ultra high density grazing
Small area of Scald 1 ripped and reseeded
Northern gully remediated , diversion banks constructed and subcatchment ripped and reseeded January 2020 by Landholders Driving Change project
Activity
Successfully reseeded and stabilised after some damage to spreader banks following 100mm storm after construction . Within the grazing program for the 50ha project area .
First grazing by 600 weaners January 2019 for three weeks . Second grazing by 1300 weaners July 2019 for four weeks . Third grazing by 38 bulls September 2021 for 12 weeks .
600 weaners overnight January 2019 . 300 cows overnight September 2021 .
600 weaners grazed several hours January 2021 . Access by 1300 weaners July 2019 . Access by 38 bulls September 2021 .
Within the grazing program for the 50ha project area .
Not grazed to allow pasture establishment from January 2020 until September 2021 ( within grazing program for the 50ha project area ).
Table 9 : Treatment summary for the sites
Monitoring
Rainfall recorded at nearby Bakara and Tabletop ( 2019-2022 ) as some Tabletop rainfall records were misplaced
2015 / 16 - 366mm
2017 / 18 - 696mm
2021 / 22 - 430mm to September 2022
2016 / 17 - 592mm
2019 / 20 - 1100mm
2018 / 19 - 497mm
2020 / 21 - 350mm
• Orthophoto and elevation capture via drone , for landscape scale monitoring , and aerial images of the site were flown in September 2017 , May 2018 , August 2019 and January 2022 .
• Twelve photo points were established for annual photo point monitoring at representative gully head and landscape sites and were monitored on 24 November 2017 , 8 February 2018 , 16 April 2019 , 25 June 2020 , 13 April 2021 and 24 May 2022 ( see monitoring site locations Figure 8 ).
• A fixed camera was located on the edge of the main scalded area , scald 2 .
• Livestock movement records were reported by the landholder and recorded .
• Annual paddock walks indicated that little sown pasture germinated in the ripped areas apart
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