Invasive Exotic Aquatic and Wetland Species Update...2013/03/12 · Invasive Exotic Aquatic and...
Transcript of Invasive Exotic Aquatic and Wetland Species Update...2013/03/12 · Invasive Exotic Aquatic and...
![Page 1: Invasive Exotic Aquatic and Wetland Species Update...2013/03/12 · Invasive Exotic Aquatic and Wetland Species Update Zebra Mussels in Texas U.S. Distribution Over Time Two confirmed](https://reader034.fdocuments.net/reader034/viewer/2022043005/5f8b74b8b465dd1add08ed48/html5/thumbnails/1.jpg)
Earl W. Chilton II, Ph.D. Texas Parks & Wildlife
Austin, Texas
Invasive Exotic Aquatic and Wetland Species Update
![Page 2: Invasive Exotic Aquatic and Wetland Species Update...2013/03/12 · Invasive Exotic Aquatic and Wetland Species Update Zebra Mussels in Texas U.S. Distribution Over Time Two confirmed](https://reader034.fdocuments.net/reader034/viewer/2022043005/5f8b74b8b465dd1add08ed48/html5/thumbnails/2.jpg)
Zebra Mussels in Texas
![Page 3: Invasive Exotic Aquatic and Wetland Species Update...2013/03/12 · Invasive Exotic Aquatic and Wetland Species Update Zebra Mussels in Texas U.S. Distribution Over Time Two confirmed](https://reader034.fdocuments.net/reader034/viewer/2022043005/5f8b74b8b465dd1add08ed48/html5/thumbnails/3.jpg)
U.S. Distribution Over Time
![Page 4: Invasive Exotic Aquatic and Wetland Species Update...2013/03/12 · Invasive Exotic Aquatic and Wetland Species Update Zebra Mussels in Texas U.S. Distribution Over Time Two confirmed](https://reader034.fdocuments.net/reader034/viewer/2022043005/5f8b74b8b465dd1add08ed48/html5/thumbnails/4.jpg)
Two confirmed public reservoir and one creek
Two watersheds to date
Lake Texoma
Lake Ray Roberts
Zebra mussel Dreissena polymorpha
![Page 5: Invasive Exotic Aquatic and Wetland Species Update...2013/03/12 · Invasive Exotic Aquatic and Wetland Species Update Zebra Mussels in Texas U.S. Distribution Over Time Two confirmed](https://reader034.fdocuments.net/reader034/viewer/2022043005/5f8b74b8b465dd1add08ed48/html5/thumbnails/5.jpg)
Lionfish
![Page 6: Invasive Exotic Aquatic and Wetland Species Update...2013/03/12 · Invasive Exotic Aquatic and Wetland Species Update Zebra Mussels in Texas U.S. Distribution Over Time Two confirmed](https://reader034.fdocuments.net/reader034/viewer/2022043005/5f8b74b8b465dd1add08ed48/html5/thumbnails/6.jpg)
Tiger Prawn
• Found in 60-100 feet of water • Eat small bivalves • Carry 16 known diseases • Diseases are transferrable
![Page 7: Invasive Exotic Aquatic and Wetland Species Update...2013/03/12 · Invasive Exotic Aquatic and Wetland Species Update Zebra Mussels in Texas U.S. Distribution Over Time Two confirmed](https://reader034.fdocuments.net/reader034/viewer/2022043005/5f8b74b8b465dd1add08ed48/html5/thumbnails/7.jpg)
Lake Austin
![Page 8: Invasive Exotic Aquatic and Wetland Species Update...2013/03/12 · Invasive Exotic Aquatic and Wetland Species Update Zebra Mussels in Texas U.S. Distribution Over Time Two confirmed](https://reader034.fdocuments.net/reader034/viewer/2022043005/5f8b74b8b465dd1add08ed48/html5/thumbnails/8.jpg)
Hydrilla in Lake Austin
0
100
200
300
400
500
600
Jul-99 Jul-01 May-03 May-04 Feb-05 Nov-05 Mar-07 Sep-08 Aug-10 Oct-11 Feb-13
Acr
es
Date
Triploid grass carp stocked: 2003-2010 16,200 2011 13,200 2012 17,369
![Page 9: Invasive Exotic Aquatic and Wetland Species Update...2013/03/12 · Invasive Exotic Aquatic and Wetland Species Update Zebra Mussels in Texas U.S. Distribution Over Time Two confirmed](https://reader034.fdocuments.net/reader034/viewer/2022043005/5f8b74b8b465dd1add08ed48/html5/thumbnails/9.jpg)
Salvinia molesta
6,000-13,000 acres
Giant salvinia
Spread from 1-23 water bodies in 14 years
Toledo Bend
Caddo Lake Mature giant salvinia
![Page 10: Invasive Exotic Aquatic and Wetland Species Update...2013/03/12 · Invasive Exotic Aquatic and Wetland Species Update Zebra Mussels in Texas U.S. Distribution Over Time Two confirmed](https://reader034.fdocuments.net/reader034/viewer/2022043005/5f8b74b8b465dd1add08ed48/html5/thumbnails/10.jpg)
Toledo Bend
![Page 11: Invasive Exotic Aquatic and Wetland Species Update...2013/03/12 · Invasive Exotic Aquatic and Wetland Species Update Zebra Mussels in Texas U.S. Distribution Over Time Two confirmed](https://reader034.fdocuments.net/reader034/viewer/2022043005/5f8b74b8b465dd1add08ed48/html5/thumbnails/11.jpg)
Water hyacinth Eichhornia crassipes Approximately 35
public water bodies
6,000 - 14,000 acres, 14 watersheds
![Page 12: Invasive Exotic Aquatic and Wetland Species Update...2013/03/12 · Invasive Exotic Aquatic and Wetland Species Update Zebra Mussels in Texas U.S. Distribution Over Time Two confirmed](https://reader034.fdocuments.net/reader034/viewer/2022043005/5f8b74b8b465dd1add08ed48/html5/thumbnails/12.jpg)
Llano River
Chinaberry Giant reed
Elephant ear
![Page 13: Invasive Exotic Aquatic and Wetland Species Update...2013/03/12 · Invasive Exotic Aquatic and Wetland Species Update Zebra Mussels in Texas U.S. Distribution Over Time Two confirmed](https://reader034.fdocuments.net/reader034/viewer/2022043005/5f8b74b8b465dd1add08ed48/html5/thumbnails/13.jpg)
Elephant ear
![Page 14: Invasive Exotic Aquatic and Wetland Species Update...2013/03/12 · Invasive Exotic Aquatic and Wetland Species Update Zebra Mussels in Texas U.S. Distribution Over Time Two confirmed](https://reader034.fdocuments.net/reader034/viewer/2022043005/5f8b74b8b465dd1add08ed48/html5/thumbnails/14.jpg)
Texas Pollutant Discharge Elimination System
• On November 2, 2011 TCEQ approved a TPDES General Permits that Texas residents must adhere to
• A Certificate of Coverage was issued by TCEQ on March 9, 2012 certifying that TPWD is covered under the new TPDES General Permit.
• Compliance under the TPDES General Permit will require increased reporting, increased record keeping, and increased survey frequency.
• TPWD Staff have developed an automated record keeping and reporting system.
![Page 15: Invasive Exotic Aquatic and Wetland Species Update...2013/03/12 · Invasive Exotic Aquatic and Wetland Species Update Zebra Mussels in Texas U.S. Distribution Over Time Two confirmed](https://reader034.fdocuments.net/reader034/viewer/2022043005/5f8b74b8b465dd1add08ed48/html5/thumbnails/15.jpg)
FY 2012 Invasive Plant Treatments (acres)
0 50000
100000 150000 200000 250000 300000 350000
LA FL TX
Infested
Treated
![Page 16: Invasive Exotic Aquatic and Wetland Species Update...2013/03/12 · Invasive Exotic Aquatic and Wetland Species Update Zebra Mussels in Texas U.S. Distribution Over Time Two confirmed](https://reader034.fdocuments.net/reader034/viewer/2022043005/5f8b74b8b465dd1add08ed48/html5/thumbnails/16.jpg)
Expenditures for Treating Aquatic Vegetation
(Millions $)
0
5
10
15
20
25
2009 2010 2011 2012 2013
FL
LA
TX
*
![Page 17: Invasive Exotic Aquatic and Wetland Species Update...2013/03/12 · Invasive Exotic Aquatic and Wetland Species Update Zebra Mussels in Texas U.S. Distribution Over Time Two confirmed](https://reader034.fdocuments.net/reader034/viewer/2022043005/5f8b74b8b465dd1add08ed48/html5/thumbnails/17.jpg)
Thank You!