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DEPARTMENT OF PRIMARY INDUSTRY, FISHERIES AND MINES Acoustic Tagging.

Published byTabitha Beasley Modified over 9 years ago

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Presentation on theme: "DEPARTMENT OF PRIMARY INDUSTRY, FISHERIES AND MINES Acoustic Tagging."— Presentation transcript:

1 DEPARTMENT OF PRIMARY INDUSTRY, FISHERIES AND MINES Acoustic Tagging

2 DEPARTMENT OF PRIMARY INDUSTRY, FISHERIES AND MINES To examine the movement patterns of aggregating black jewfish Aim TASMANIAN AQUACULTURE & FISHERIES INSTITUTE

3 DEPARTMENT OF PRIMARY INDUSTRY, FISHERIES AND MINES VR2 Acoustic ‘listening stations’ TASMANIAN AQUACULTURE & FISHERIES INSTITUTE Acoustic Arrays

4 DEPARTMENT OF PRIMARY INDUSTRY, FISHERIES AND MINES VR2 Acoustic ‘listening stations’ Arrays established at 2 large aggregation sites: Channel Point and Chambers Bay Acoustic Arrays TASMANIAN AQUACULTURE & FISHERIES INSTITUTE

5 DEPARTMENT OF PRIMARY INDUSTRY, FISHERIES AND MINES VR2 Acoustic ‘listening stations’ Arrays established at 2 large aggregation sites: Channel Point and Chambers Bay Arrays also established between Channel Point and Chambers Bay Acoustic Arrays TASMANIAN AQUACULTURE & FISHERIES INSTITUTE

6 DEPARTMENT OF PRIMARY INDUSTRY, FISHERIES AND MINES Channel Point Chambers BayDarwin

7 DEPARTMENT OF PRIMARY INDUSTRY, FISHERIES AND MINES

8 DEPARTMENT OF PRIMARY INDUSTRY, FISHERIES AND MINES Fish surgically implanted with acoustic tags Acoustic Tagging TASMANIAN AQUACULTURE & FISHERIES INSTITUTE

9 DEPARTMENT OF PRIMARY INDUSTRY, FISHERIES AND MINES Fish surgically implanted with acoustic tags Acoustic Tagging TASMANIAN AQUACULTURE & FISHERIES INSTITUTE

10 DEPARTMENT OF PRIMARY INDUSTRY, FISHERIES AND MINES Fish surgically implanted with acoustic tags 40 fish tagged at Channel Point between Dec 04 and Oct 2005 Size range 940-1220 mm TL Acoustic Tagging TASMANIAN AQUACULTURE & FISHERIES INSTITUTE

11 DEPARTMENT OF PRIMARY INDUSTRY, FISHERIES AND MINES Fish surgically implanted with acoustic tags 40 fish tagged at Channel Point between Dec 04 and Oct 2005 Size range 940-1220 mm TL 44 fish tagged at Chambers Bay between Sept and Nov 2005 Size range 980-1250 mm TL Acoustic Tagging TASMANIAN AQUACULTURE & FISHERIES INSTITUTE

12 DEPARTMENT OF PRIMARY INDUSTRY, FISHERIES AND MINES Fish surgically implanted with acoustic tags 40 fish tagged at Channel Point between Dec 04 and Oct 2005 Size range 940-1220 mm TL 44 fish tagged at Chambers Bay between Sept and Nov 2005 Size range 980-1250 mm TL All fish monitored until May 2006 Acoustic Tagging TASMANIAN AQUACULTURE & FISHERIES INSTITUTE

13 DEPARTMENT OF PRIMARY INDUSTRY, FISHERIES AND MINES Results TASMANIAN AQUACULTURE & FISHERIES INSTITUTE 33/40 Fish detected at Channel Point

14 DEPARTMENT OF PRIMARY INDUSTRY, FISHERIES AND MINES Results TASMANIAN AQUACULTURE & FISHERIES INSTITUTE 33/40 Fish detected at Channel Point 22/44 Fish detected at Chambers Bay

15 DEPARTMENT OF PRIMARY INDUSTRY, FISHERIES AND MINES Results TASMANIAN AQUACULTURE & FISHERIES INSTITUTE 33/40 Fish detected at Channel Point 22/44 Fish detected at Chambers Bay No fish detected at both aggregations

16 DEPARTMENT OF PRIMARY INDUSTRY, FISHERIES AND MINES Results TASMANIAN AQUACULTURE & FISHERIES INSTITUTE 33/40 Fish detected at Channel Point 22/44 Fish detected at Chambers Bay No fish detected at both aggregations No fish detected at sites between aggregations

17 DEPARTMENT OF PRIMARY INDUSTRY, FISHERIES AND MINES Channel Point Aggregation TASMANIAN AQUACULTURE & FISHERIES INSTITUTE Channel Point Stations along 20 m depth contour

18 DEPARTMENT OF PRIMARY INDUSTRY, FISHERIES AND MINES Presence of 1 st set of fish tagged at Channel Point Fish Residency TASMANIAN AQUACULTURE & FISHERIES INSTITUTE Nov 04 Mar 05 Aug 05 Dec 05 May 06

19 DEPARTMENT OF PRIMARY INDUSTRY, FISHERIES AND MINES Fish Residency TASMANIAN AQUACULTURE & FISHERIES INSTITUTE Nov 04 Mar 05 Aug 05 Dec 05 May 06 Presence of 1 st set of fish tagged at Channel Point

20 DEPARTMENT OF PRIMARY INDUSTRY, FISHERIES AND MINES Fish Residency TASMANIAN AQUACULTURE & FISHERIES INSTITUTE Nov 04 Mar 05 Aug 05 Dec 05 May 06 Presence of 1 st set of fish tagged at Channel Point Fish absent for seven months

21 DEPARTMENT OF PRIMARY INDUSTRY, FISHERIES AND MINES Fish Residency TASMANIAN AQUACULTURE & FISHERIES INSTITUTE Nov 04 Mar 05 Aug 05 Dec 05 May 06 Presence of 1 st set of fish tagged at Channel Point

22 DEPARTMENT OF PRIMARY INDUSTRY, FISHERIES AND MINES Fish Residency TASMANIAN AQUACULTURE & FISHERIES INSTITUTE Nov 04 Mar 05 Aug 05 Dec 05 May 06 Presence of 1 st set of fish tagged at Channel Point

23 DEPARTMENT OF PRIMARY INDUSTRY, FISHERIES AND MINES Fish Residency TASMANIAN AQUACULTURE & FISHERIES INSTITUTE Nov 04 Mar 05 Aug 05 Dec 05 May 06 Presence of 1 st set of fish tagged at Channel Point Fish absent for nine months

24 DEPARTMENT OF PRIMARY INDUSTRY, FISHERIES AND MINES TASMANIAN AQUACULTURE & FISHERIES INSTITUTE Nov 04 Mar 05 Aug 05 Dec 05 May 06 Fish Residency Presence of 2 nd set of fish tagged at Channel Point

25 DEPARTMENT OF PRIMARY INDUSTRY, FISHERIES AND MINES TASMANIAN AQUACULTURE & FISHERIES INSTITUTE Nov 04 Mar 05 Aug 05 Dec 05 May 06 Fish Residency Presence of 2 nd set of fish tagged at Channel Point Fish absent for most part of 8 months (May to Dec)

26 DEPARTMENT OF PRIMARY INDUSTRY, FISHERIES AND MINES TASMANIAN AQUACULTURE & FISHERIES INSTITUTE Fish Residency Nov 04 Mar 05 Aug 05 Dec 05 May 06 Presence of 3 rd set of fish tagged at Channel Point

27 DEPARTMENT OF PRIMARY INDUSTRY, FISHERIES AND MINES TASMANIAN AQUACULTURE & FISHERIES INSTITUTE Fish Residency Nov 04 Mar 05 Aug 05 Dec 05 May 06 Presence of 3 rd set of fish tagged at Channel Point

28 DEPARTMENT OF PRIMARY INDUSTRY, FISHERIES AND MINES TASMANIAN AQUACULTURE & FISHERIES INSTITUTE Fish Residency Nov 04 Mar 05 Aug 05 Dec 05 May 06 Presence of all fish tagged at Channel Point

29 DEPARTMENT OF PRIMARY INDUSTRY, FISHERIES AND MINES TASMANIAN AQUACULTURE & FISHERIES INSTITUTE Fish Residency Nov 04 Mar 05 Aug 05 Dec 05 May 06 Presence of all fish tagged at Channel Point Spawning season

30 DEPARTMENT OF PRIMARY INDUSTRY, FISHERIES AND MINES TASMANIAN AQUACULTURE & FISHERIES INSTITUTE Diurnal Patterns Diurnal cycle

31 DEPARTMENT OF PRIMARY INDUSTRY, FISHERIES AND MINES TASMANIAN AQUACULTURE & FISHERIES INSTITUTE Diurnal Patterns Diurnal cycle

32 DEPARTMENT OF PRIMARY INDUSTRY, FISHERIES AND MINES TASMANIAN AQUACULTURE & FISHERIES INSTITUTE Diurnal Patterns Diurnal cycle

33 DEPARTMENT OF PRIMARY INDUSTRY, FISHERIES AND MINES High Low Tide phase - All sites - January Tidal Patterns TASMANIAN AQUACULTURE & FISHERIES INSTITUTE

34 DEPARTMENT OF PRIMARY INDUSTRY, FISHERIES AND MINES High Low Tide phase - All sites - January Tidal Patterns TASMANIAN AQUACULTURE & FISHERIES INSTITUTE

35 DEPARTMENT OF PRIMARY INDUSTRY, FISHERIES AND MINES Site 3 Site 4 Site 5 Tidal Movement TASMANIAN AQUACULTURE & FISHERIES INSTITUTE Early January tag detections

36 DEPARTMENT OF PRIMARY INDUSTRY, FISHERIES AND MINES Site 3 Site 4 Site 5 Tidal Movement TASMANIAN AQUACULTURE & FISHERIES INSTITUTE Early January tag detections

37 DEPARTMENT OF PRIMARY INDUSTRY, FISHERIES AND MINES Channel Point Aggregation TASMANIAN AQUACULTURE & FISHERIES INSTITUTE Channel Point Stations along 20 m depth contour

38 DEPARTMENT OF PRIMARY INDUSTRY, FISHERIES AND MINES Site 3 Site 4 Site 5 Tidal Movement TASMANIAN AQUACULTURE & FISHERIES INSTITUTE Early January tag detections

39 DEPARTMENT OF PRIMARY INDUSTRY, FISHERIES AND MINES Site 3 Site 4 Site 5 Tidal Movement TASMANIAN AQUACULTURE & FISHERIES INSTITUTE Site 5: Residence related to low tide

40 DEPARTMENT OF PRIMARY INDUSTRY, FISHERIES AND MINES Site 3 Site 4 Site 5 Tidal Movement TASMANIAN AQUACULTURE & FISHERIES INSTITUTE Increase in residence time as tides go neap

41 DEPARTMENT OF PRIMARY INDUSTRY, FISHERIES AND MINES Site 3 Site 4 Site 5 Tidal Movement TASMANIAN AQUACULTURE & FISHERIES INSTITUTE Site 4: Residence related to high tide

42 DEPARTMENT OF PRIMARY INDUSTRY, FISHERIES AND MINES Black Jewfish may not mix between aggregations Conclusions TASMANIAN AQUACULTURE & FISHERIES INSTITUTE

43 DEPARTMENT OF PRIMARY INDUSTRY, FISHERIES AND MINES Black Jewfish may not mix between aggregations Fish absence at Channel Point may be linked to spawning Conclusions TASMANIAN AQUACULTURE & FISHERIES INSTITUTE

44 DEPARTMENT OF PRIMARY INDUSTRY, FISHERIES AND MINES Black Jewfish may not mix between aggregations Fish absence at Channel Point may be linked to spawning Movement within Channel Point aggregation is linked to time of day and tidal cycle Conclusions TASMANIAN AQUACULTURE & FISHERIES INSTITUTE

45 DEPARTMENT OF PRIMARY INDUSTRY, FISHERIES AND MINES Black Jewfish may not mix between aggregations Fish absence at Channel Point may be linked to spawning Movement within Channel Point aggregation is linked to time of day and tidal cycle Modelling stills needs to occur to decipher information Conclusions TASMANIAN AQUACULTURE & FISHERIES INSTITUTE

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