Computer Enhanced Learning Rick Matthews Wake Forest University [email protected] matthews.
Electronic Recovery of PIT tags From Piscivorous Bird Colonies Brad A. Ryan, Benjamin P. Sandford,...
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Transcript of Electronic Recovery of PIT tags From Piscivorous Bird Colonies Brad A. Ryan, Benjamin P. Sandford,...
![Page 1: Electronic Recovery of PIT tags From Piscivorous Bird Colonies Brad A. Ryan, Benjamin P. Sandford, April Cameron, and Gene Matthews.](https://reader035.fdocuments.in/reader035/viewer/2022062806/56649ca25503460f949615ed/html5/thumbnails/1.jpg)
Electronic Recovery of PIT tags From Piscivorous Bird Colonies
Brad A. Ryan, Benjamin P. Sandford,
April Cameron, and Gene Matthews
![Page 2: Electronic Recovery of PIT tags From Piscivorous Bird Colonies Brad A. Ryan, Benjamin P. Sandford, April Cameron, and Gene Matthews.](https://reader035.fdocuments.in/reader035/viewer/2022062806/56649ca25503460f949615ed/html5/thumbnails/2.jpg)
>12 Million CRB Salmonids PIT tagged
3D9.1BF0F4058C
![Page 3: Electronic Recovery of PIT tags From Piscivorous Bird Colonies Brad A. Ryan, Benjamin P. Sandford, April Cameron, and Gene Matthews.](https://reader035.fdocuments.in/reader035/viewer/2022062806/56649ca25503460f949615ed/html5/thumbnails/3.jpg)
![Page 4: Electronic Recovery of PIT tags From Piscivorous Bird Colonies Brad A. Ryan, Benjamin P. Sandford, April Cameron, and Gene Matthews.](https://reader035.fdocuments.in/reader035/viewer/2022062806/56649ca25503460f949615ed/html5/thumbnails/4.jpg)
In the beginning-Visual recovery
OSU>2,500 Tags
![Page 5: Electronic Recovery of PIT tags From Piscivorous Bird Colonies Brad A. Ryan, Benjamin P. Sandford, April Cameron, and Gene Matthews.](https://reader035.fdocuments.in/reader035/viewer/2022062806/56649ca25503460f949615ed/html5/thumbnails/5.jpg)
Sand Flea 2000
1,119 Tags
![Page 6: Electronic Recovery of PIT tags From Piscivorous Bird Colonies Brad A. Ryan, Benjamin P. Sandford, April Cameron, and Gene Matthews.](https://reader035.fdocuments.in/reader035/viewer/2022062806/56649ca25503460f949615ed/html5/thumbnails/6.jpg)
Ed Nunnallee-400Khz
1998 Rice Island
47,057 Tags
![Page 7: Electronic Recovery of PIT tags From Piscivorous Bird Colonies Brad A. Ryan, Benjamin P. Sandford, April Cameron, and Gene Matthews.](https://reader035.fdocuments.in/reader035/viewer/2022062806/56649ca25503460f949615ed/html5/thumbnails/7.jpg)
1999
Hand Scanners
10,533 Tags
![Page 8: Electronic Recovery of PIT tags From Piscivorous Bird Colonies Brad A. Ryan, Benjamin P. Sandford, April Cameron, and Gene Matthews.](https://reader035.fdocuments.in/reader035/viewer/2022062806/56649ca25503460f949615ed/html5/thumbnails/8.jpg)
Lower Granite Dam
Oregon
Washington
IdahoSnake River
Mid-Columbia River
McNary Dam
John Day Dam
The Dalles DamBonneville Dam
Columbia River
Washington
Snake RiverColumbia River
Mid-Columbia River>131,000 -400 Khz Tags
East SandRice
92,314-Tags
Pilings
1,123-Tags
Little Memaloose & Miller
5,164-Tags
Three Mile Canyon
9,583-Tags
Crescent
21,492-Tags
Richland & Island 18
2,284-Tags
![Page 9: Electronic Recovery of PIT tags From Piscivorous Bird Colonies Brad A. Ryan, Benjamin P. Sandford, April Cameron, and Gene Matthews.](https://reader035.fdocuments.in/reader035/viewer/2022062806/56649ca25503460f949615ed/html5/thumbnails/9.jpg)
Conversion To 134.2 Khz ISO Tags
ISO-Antenna ISO-Electronics
>170,000-ISO Tags
![Page 10: Electronic Recovery of PIT tags From Piscivorous Bird Colonies Brad A. Ryan, Benjamin P. Sandford, April Cameron, and Gene Matthews.](https://reader035.fdocuments.in/reader035/viewer/2022062806/56649ca25503460f949615ed/html5/thumbnails/10.jpg)
Off The Shelf ISO Scanners
134.2 Khz
>55,000-ISO Tags
![Page 11: Electronic Recovery of PIT tags From Piscivorous Bird Colonies Brad A. Ryan, Benjamin P. Sandford, April Cameron, and Gene Matthews.](https://reader035.fdocuments.in/reader035/viewer/2022062806/56649ca25503460f949615ed/html5/thumbnails/11.jpg)
Lower Granite Dam
Oregon
Washington
IdahoSnake River
Mid-Columbia River
McNary Dam
John Day Dam
The Dalles DamBonneville Dam
Columbia River
Washington
Snake RiverColumbia River
Mid-Columbia River>225,000 -134.2 Khz Tags
East SandRice
>150,000 Tags
Pilings
>200-Tags
Little Memaloose & Miller
>10,700-Tags
Three Mile Canyon
>3,200-Tags
Richland & Island 18
>5,600-Tags
Pot Holes
>4,900-Tags
Crescent
>50,200-Tags
Foundation
Badger
>500-Tags
>7,900-Tags
![Page 12: Electronic Recovery of PIT tags From Piscivorous Bird Colonies Brad A. Ryan, Benjamin P. Sandford, April Cameron, and Gene Matthews.](https://reader035.fdocuments.in/reader035/viewer/2022062806/56649ca25503460f949615ed/html5/thumbnails/12.jpg)
Species Vulnerability
Photo by BAR
![Page 13: Electronic Recovery of PIT tags From Piscivorous Bird Colonies Brad A. Ryan, Benjamin P. Sandford, April Cameron, and Gene Matthews.](https://reader035.fdocuments.in/reader035/viewer/2022062806/56649ca25503460f949615ed/html5/thumbnails/13.jpg)
Lower Granite Dam
Oregon
Washington
IdahoSnake River
Mid-Columbia River
McNary Dam
John Day Dam
The Dalles DamBonneville Dam
Columbia River
Oregon
Washington
Snake River
Columbia River
Mid-Columbia River
Columbia River Estuary
Bonneville Dam
![Page 14: Electronic Recovery of PIT tags From Piscivorous Bird Colonies Brad A. Ryan, Benjamin P. Sandford, April Cameron, and Gene Matthews.](https://reader035.fdocuments.in/reader035/viewer/2022062806/56649ca25503460f949615ed/html5/thumbnails/14.jpg)
Avian Predation Spring chinook, Fall chinook, and Steelhead
Bon/Estuary Colonies
2.93.7
6.6
2.51.7
3.83.1
1.5
10.6
12.9
16.415.3
0
5
10
15
20
1999 2000 2001 2002
Migration Year
Det
ectio
n (%
)
S/S chinook
Fall chinook
Steelhead
![Page 15: Electronic Recovery of PIT tags From Piscivorous Bird Colonies Brad A. Ryan, Benjamin P. Sandford, April Cameron, and Gene Matthews.](https://reader035.fdocuments.in/reader035/viewer/2022062806/56649ca25503460f949615ed/html5/thumbnails/15.jpg)
Lower Granite Dam
Oregon
Washington
IdahoSnake River
Mid-Columbia River
McNary Dam
John Day Dam
The Dalles DamBonneville Dam
Columbia River
Oregon
Washington
Snake River
Columbia River
Mid-Columbia River
East Sand Island
Bonneville Dam
Estuarine Releases
![Page 16: Electronic Recovery of PIT tags From Piscivorous Bird Colonies Brad A. Ryan, Benjamin P. Sandford, April Cameron, and Gene Matthews.](https://reader035.fdocuments.in/reader035/viewer/2022062806/56649ca25503460f949615ed/html5/thumbnails/16.jpg)
Avian Predation on Estuarine Spring chinook, Fall chinook, and Steelhead
3.7
5.9
15.914.7
8.46.8
0
5
10
15
20
25
2001 2002
Migration Year
Det
ectio
n (%
)
Spring chinook
Fall chinook
Steelhead
![Page 17: Electronic Recovery of PIT tags From Piscivorous Bird Colonies Brad A. Ryan, Benjamin P. Sandford, April Cameron, and Gene Matthews.](https://reader035.fdocuments.in/reader035/viewer/2022062806/56649ca25503460f949615ed/html5/thumbnails/17.jpg)
Rearing History VulnerabilityHatchery vs. Wild
Photo by RDL
![Page 18: Electronic Recovery of PIT tags From Piscivorous Bird Colonies Brad A. Ryan, Benjamin P. Sandford, April Cameron, and Gene Matthews.](https://reader035.fdocuments.in/reader035/viewer/2022062806/56649ca25503460f949615ed/html5/thumbnails/18.jpg)
Hatchery vs WildRelative Vulnerability to TernsBon/East Is. --S/S chinook sal.
0.3
2.7
5.9
1.9
0.31.0
4.6
0.7
0
5
10
1999 2000 2001 2002
Migration Year
Det
ectio
n (%
)
Hatchery; n=3,497
Wild; n=252
![Page 19: Electronic Recovery of PIT tags From Piscivorous Bird Colonies Brad A. Ryan, Benjamin P. Sandford, April Cameron, and Gene Matthews.](https://reader035.fdocuments.in/reader035/viewer/2022062806/56649ca25503460f949615ed/html5/thumbnails/19.jpg)
Hatchery vs WildRelative Vulnerability to Terns
Low Mo./Crescent Is. --S/S chinook sal.
0.7 0.4
4.4
1.1 0.90.7 0.4
3.2
0.9 1.2
0
5
10
1999 2000 2001 2002 2003
Migration Year
Det
ectio
n (%
)
Hatchery; n=3,714
Wild; n=743
![Page 20: Electronic Recovery of PIT tags From Piscivorous Bird Colonies Brad A. Ryan, Benjamin P. Sandford, April Cameron, and Gene Matthews.](https://reader035.fdocuments.in/reader035/viewer/2022062806/56649ca25503460f949615ed/html5/thumbnails/20.jpg)
Hatchery vs WildRelative Vulnerability to Terns
Bon/East Is. --Steelhead
0.6
9.6
14.2 13.5
0.4
6.8
15.714.3
0
5
10
15
20
1999 2000 2001 2002
Migration Year
Det
ecti
on (
%)
Hatchery; n=1,897
Wild; n=1,294
*
![Page 21: Electronic Recovery of PIT tags From Piscivorous Bird Colonies Brad A. Ryan, Benjamin P. Sandford, April Cameron, and Gene Matthews.](https://reader035.fdocuments.in/reader035/viewer/2022062806/56649ca25503460f949615ed/html5/thumbnails/21.jpg)
Hatchery vs WildRelative Vulnerability to Terns
Low Mo./Crescent Is. --Steelhead
4.4
2.5
12.3
7.0
3.43.01.3
14.0
7.6
4.3
0
5
10
15
20
1999 2000 2001 2002 2003
Migration Year
Det
ectio
n (%
)
Hatchery
Wild
![Page 22: Electronic Recovery of PIT tags From Piscivorous Bird Colonies Brad A. Ryan, Benjamin P. Sandford, April Cameron, and Gene Matthews.](https://reader035.fdocuments.in/reader035/viewer/2022062806/56649ca25503460f949615ed/html5/thumbnails/22.jpg)
Additional Analysis
• Transportation– Barge vs. In-river
• Multiple Bypass
• Survival– ?
![Page 23: Electronic Recovery of PIT tags From Piscivorous Bird Colonies Brad A. Ryan, Benjamin P. Sandford, April Cameron, and Gene Matthews.](https://reader035.fdocuments.in/reader035/viewer/2022062806/56649ca25503460f949615ed/html5/thumbnails/23.jpg)
Other Applications
• Under Water
– Crescent Island Bay >500
• Race Ways
– Recovery of discarded tags
• Inside of Predators
– Detection of salmonid PIT tags in Caspian tern chicks.
![Page 24: Electronic Recovery of PIT tags From Piscivorous Bird Colonies Brad A. Ryan, Benjamin P. Sandford, April Cameron, and Gene Matthews.](https://reader035.fdocuments.in/reader035/viewer/2022062806/56649ca25503460f949615ed/html5/thumbnails/24.jpg)
Questions