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Water HyacinthWater Hyacinth Hydrilla Hydrilla Eurasian WatermilfoilEurasian Watermilfoil Giant SalviniaGiant Salvinia Brazilian ElodeaBrazilian Elodea ArundoArundo SpongeplantSpongeplant
Clog lakes & waterwaysClog lakes & waterways
Interferes with commerce and recreationInterferes with commerce and recreation
Displace native plantsDisplace native plants
Clogs water diversions and pumpsClogs water diversions and pumps
Depletes dissolved oxygen levels Depletes dissolved oxygen levels
Increase sedimentationIncrease sedimentation
Can cause floodingCan cause flooding
Many seeds & small seedlings Many seeds & small seedlings
move easily.move easily.
Spongeplant mixed with Spongeplant mixed with
duckweed. Red circles show duckweed. Red circles show
spongeplant seedlings.spongeplant seedlings.
Seeds survive at least three Seeds survive at least three
years. years.
It chokes out everything.It chokes out everything.
2003 first California infestation 2003 first California infestation
found in Redding and Arcata. found in Redding and Arcata.
Out competes several other Out competes several other
aggressive water weeds, like aggressive water weeds, like
water primrose and parrots water primrose and parrots
featherfeather
2003: First records were in Arcata 2003: First records were in Arcata and Redding.and Redding.
2007: San Joaquin River in Fresno. 2007: San Joaquin River in Fresno. Antioch in Sacramento River, but Antioch in Sacramento River, but seemed to disappear after a storm.seemed to disappear after a storm.
2008: Found in a canal off the 2008: Found in a canal off the Kings River east of Fresno and Kings River east of Fresno and canals in western Fresno County. canals in western Fresno County.
2009 & 2010, it was again found in 2009 & 2010, it was again found in the Delta.the Delta.
To report plants or find out about surveys: Patrick Akers at [email protected]
Left:Left: Spongeplant in a canal in western Fresno County. Spongeplant in a canal in western Fresno County. Right:Right: The same canal two weeks after The same canal two weeks after treatment. Spongeplant spreads easily but it is relatively easy to control, treatment. Spongeplant spreads easily but it is relatively easy to control, if it hasn’t had time if it hasn’t had time to make a lot of seedsto make a lot of seeds..
But maybe we can beat it.
HELP THE EFFORT!HELP THE EFFORT!The California Department of Food and Agriculture will be surveying in 2011 to find out The California Department of Food and Agriculture will be surveying in 2011 to find out how much spongeplant has spread. how much spongeplant has spread. You can helpYou can help by reporting finds or having your by reporting finds or having your stream, pond, or canals checked. And thanks.stream, pond, or canals checked. And thanks.
For more information: For more information: http://www.cdfa.ca.gov/phpps/ipc/hydrilla/hydrilla_hp.htmhttp://www.cdfa.ca.gov/phpps/ipc/hydrilla/hydrilla_hp.htm
Before treatment After treatment
Asian ClamAsian Clam
Chinese Mitten CrabChinese Mitten Crab
New Zealand MudsnailNew Zealand Mudsnail
Florida Watersnake Florida Watersnake
(Nerodia)(Nerodia)
Asian CarpAsian Carp
Introduced in 1800’s for human Introduced in 1800’s for human
consumptionconsumption
High densities, out-competes High densities, out-competes
native clamsnative clams
Impairs water delivery systems by Impairs water delivery systems by
clogging pipes, valves and clogging pipes, valves and
sprinklerssprinklers
Traps sediment, forms bars in Traps sediment, forms bars in
agriculture canals, alters flowagriculture canals, alters flow
Bioaccumulation of toxinsBioaccumulation of toxins
Intentional releases for human Intentional releases for human
consumption and/or via ballast consumption and/or via ballast
water water
Clog fish salvage facilities Clog fish salvage facilities
Create losses for fisheriesCreate losses for fisheries
Reduced catchReduced catch
Damages fishing nets Damages fishing nets
Threatens levee stabilityThreatens levee stability
Potential host for human lung Potential host for human lung
flukefluke
From New ZealandFrom New Zealand
750,000 NZMS per square 750,000 NZMS per square
meter meter
Competes for space and Competes for space and
foodfood
Ties up nutrients – not Ties up nutrients – not
digestible by most fish or digestible by most fish or
birds, shell takes a long birds, shell takes a long
time to decomposetime to decompose
Shells block pipes, filters Shells block pipes, filters
and gratesand grates
Ken DavisKen Davis
Distribution of the New Zealand mudsnail in California.
Native to southeastern US Threat to CA native and federally
listed giant garter snake (Thamnophis gigas)
Reach extremely high population densities Reach extremely high population densities
Impact populations of native mussels and Impact populations of native mussels and
snails (black carp) snails (black carp)
Potentially deplete zooplankton populations Potentially deplete zooplankton populations
(silver and bighead)(silver and bighead)
Alligatorweed (Alternanthera philoxeroides) Alligatorweed (Alternanthera philoxeroides) Brazilian Waterweed (Egeria densa)Brazilian Waterweed (Egeria densa)
Caulerpa, Mediterranean Clone (Caulerpa Caulerpa, Mediterranean Clone (Caulerpa taxifolia)taxifolia)
Common Reed (Phragmites australis)Common Reed (Phragmites australis)Eurasian Watermilfoil (Myriophyllum spicatum)Eurasian Watermilfoil (Myriophyllum spicatum)
Didymo (Didymosphenia geminata)Didymo (Didymosphenia geminata)Giant Reed (Arundo donax)Giant Reed (Arundo donax)
Giant Salvinia (Salvinia molesta)Giant Salvinia (Salvinia molesta)Hydrilla (Hydrilla verticillata)Hydrilla (Hydrilla verticillata)
Melaleuca (Melaleuca quinquenervia)Melaleuca (Melaleuca quinquenervia)Purple Loosestrife (Lythrum salicaria)Purple Loosestrife (Lythrum salicaria)
Water Chestnut (Trapa natans)Water Chestnut (Trapa natans)Water Hyacinth (Eichhornia crassipes)Water Hyacinth (Eichhornia crassipes)
Water Lettuce (Pistia stratiotes)Water Lettuce (Pistia stratiotes)Water Spinach (Ipomoea aquatica)Water Spinach (Ipomoea aquatica)
Alewife (Alosa pseudoharengus)Alewife (Alosa pseudoharengus)Asian CarpsAsian Carps
Asian Swamp Eel (Monopterus albus)Asian Swamp Eel (Monopterus albus)Bullfrog (Rana catesbeiana)Bullfrog (Rana catesbeiana)
Chinese Mitten Crab (Eriocheir sinensis)Chinese Mitten Crab (Eriocheir sinensis)Clubbed Tunicate (Styela clava) New(Jun 16, Clubbed Tunicate (Styela clava) New(Jun 16,
2009)2009)Eurasian Ruffe (Gymnocephalus cernuus)Eurasian Ruffe (Gymnocephalus cernuus)European Green Crab (Carcinus maenas)European Green Crab (Carcinus maenas)
Flathead Catfish (Pylodictus olivaris)Flathead Catfish (Pylodictus olivaris)Lionfish (Pterois volitans)Lionfish (Pterois volitans)
Northern Snakehead (Channa argus)Northern Snakehead (Channa argus)New Zealand Mud Snail (Potamopyrgus New Zealand Mud Snail (Potamopyrgus
antipodarum)antipodarum)Nutria (Myocastor coypus)Nutria (Myocastor coypus)
Quagga Mussel (Dreissena bugensis)Quagga Mussel (Dreissena bugensis)Round Goby (Neogobius melanostomus)Round Goby (Neogobius melanostomus)
Rusty Crayfish (Orconectes rusticus)Rusty Crayfish (Orconectes rusticus)Sea Lamprey (Petromyzon marinus)Sea Lamprey (Petromyzon marinus)
Sea Squirt (Didemnum vexillum)Sea Squirt (Didemnum vexillum)Spiny Water Flea (Bythotrephes longimanus)Spiny Water Flea (Bythotrephes longimanus)
Veined Rapa Whelk (Rapana venosa)Veined Rapa Whelk (Rapana venosa)Zebra Mussel (Dreissena polymorpha)Zebra Mussel (Dreissena polymorpha)
Air Potato (Dioscorea bulbifera) New(May 26, Air Potato (Dioscorea bulbifera) New(May 26, 2009)2009)
Autumn Olive (Elaeagnus umbellata)Autumn Olive (Elaeagnus umbellata)Beach Vitex (Vitex rotundifolia)Beach Vitex (Vitex rotundifolia)
Common Teasel (Dipsacus fullonum)Common Teasel (Dipsacus fullonum)Dalmatian Toadflax (Linaria dalmatica)Dalmatian Toadflax (Linaria dalmatica)Diffuse Knapweed (Centaurea diffusa)Diffuse Knapweed (Centaurea diffusa)
Downy Brome (Bromus tectorum)Downy Brome (Bromus tectorum)Fig Buttercup (Ranunculus ficaria) Garlic Mustard (Alliaria Fig Buttercup (Ranunculus ficaria) Garlic Mustard (Alliaria
petiolata)petiolata)Giant Hogweed (Heracleum mantegazzianum)Giant Hogweed (Heracleum mantegazzianum)
Hairy Whitetop (Lepidium appelianum)Hairy Whitetop (Lepidium appelianum)Houndstongue (Cynoglossum officinale)Houndstongue (Cynoglossum officinale)
Japanese Stilt Grass (Microstegium vimineum) Japanese Stilt Grass (Microstegium vimineum) Japanese World Climbing Fern (Lygodium japonicum) Japanese World Climbing Fern (Lygodium japonicum)
Japanese Honeysuckle (Lonicera japonica)Japanese Honeysuckle (Lonicera japonica)Japanese Knotweed (Fallopia japonica)Japanese Knotweed (Fallopia japonica)
Japanese Spiraea (Spiraea japonica) New(Jun 25, 2009)Japanese Spiraea (Spiraea japonica) New(Jun 25, 2009)Johnsongrass (Sorghum halepense)Johnsongrass (Sorghum halepense)
Kudzu (Pueraria montana var. lobata)Kudzu (Pueraria montana var. lobata)Leafy Spurge (Euphorbia esula)Leafy Spurge (Euphorbia esula)
Medusahead (Taeniatherum caput-medusae)Medusahead (Taeniatherum caput-medusae)Mile-A-Minute Weed (Persicaria perfoliata)Mile-A-Minute Weed (Persicaria perfoliata)
Multiflora Rose (Rosa multiflora)Multiflora Rose (Rosa multiflora)Musk Thistle (Carduus nutans)Musk Thistle (Carduus nutans)
Old Russian Olive (Elaeagnus angustifolia)Old Russian Olive (Elaeagnus angustifolia)Saltcedar (Tamarix spp.)Saltcedar (Tamarix spp.)
St. Johnswort (Hypericum perforatum)St. Johnswort (Hypericum perforatum)Scotch Broom (Cytisus scoparius)Scotch Broom (Cytisus scoparius)
Scotch Thistle (Onopordum acanthium)Scotch Thistle (Onopordum acanthium)Spotted Knapweed (Centaurea stoebe)Spotted Knapweed (Centaurea stoebe)Tree-of-Heaven (Ailanthus altissima)Tree-of-Heaven (Ailanthus altissima)
Tropical Soda Apple (Solanum viarum)Tropical Soda Apple (Solanum viarum)Whitetop (Lepidium draba)Whitetop (Lepidium draba)
Witchweed (Striga asiatica) New(Apr 9, 2009)Witchweed (Striga asiatica) New(Apr 9, 2009)Yellow Star Thistle (Centaurea solstitialis)Yellow Star Thistle (Centaurea solstitialis)
Yellow Toadflax (Linaria vulgaris)Yellow Toadflax (Linaria vulgaris)Africanized Honeybee (Apis mellifera scutellata)Africanized Honeybee (Apis mellifera scutellata)
Asian Citrus Psyllid (Diaphorina citri)Asian Citrus Psyllid (Diaphorina citri)Asian Long-Horned Beetle (Anoplophora glabripennis)Asian Long-Horned Beetle (Anoplophora glabripennis)
Asian Tiger Mosquito (Aedes albopictus)Asian Tiger Mosquito (Aedes albopictus)Cactus Moth (Cactoblastis cactorum)Cactus Moth (Cactoblastis cactorum)
Chillip Thrips (Scirtothrips dorsalis) New(Jul 30, 2009)Chillip Thrips (Scirtothrips dorsalis) New(Jul 30, 2009)Citrus Longhorned Beetle (Anoplophora chinensis)Citrus Longhorned Beetle (Anoplophora chinensis)
Emerald Ash Borer (Agrilus planipennis)Emerald Ash Borer (Agrilus planipennis)European Gypsy Moth (Lymantria dispar)European Gypsy Moth (Lymantria dispar)
European Spruce Bark Beetle (Ips typographus)European Spruce Bark Beetle (Ips typographus)Formosan Subterranean Termite (Coptotermes Formosan Subterranean Termite (Coptotermes
formosanus)formosanus)Giant African Snail (Achatina fulica)Giant African Snail (Achatina fulica)
Glassy-Winged Sharpshooter (Homalodisca coagulata)Glassy-Winged Sharpshooter (Homalodisca coagulata)Hemlock Woolly Adelgid (Adelges tsugae)Hemlock Woolly Adelgid (Adelges tsugae)
Light Brown Apple Moth (Epiphyas postvittana)Light Brown Apple Moth (Epiphyas postvittana)Mediterranean Fruit Fly (Ceratitis capitata)Mediterranean Fruit Fly (Ceratitis capitata)
Mexican Fruit Fly (Anastrepha ludens)Mexican Fruit Fly (Anastrepha ludens)Pink Hibiscus Mealybug (Maconellicoccus hirsutus)Pink Hibiscus Mealybug (Maconellicoccus hirsutus)
Red Imported Fire Ant (Solenopsis invicta)Red Imported Fire Ant (Solenopsis invicta)Russian Wheat Aphid (Diuraphis noxia)Russian Wheat Aphid (Diuraphis noxia)Silverleaf Whitefly (Bemisia argentifolii)Silverleaf Whitefly (Bemisia argentifolii)
Sirex Woodwasp (Sirex noctilio)Sirex Woodwasp (Sirex noctilio)Soybean Cyst Nematode (Heterodera glycines)Soybean Cyst Nematode (Heterodera glycines)
Brown Tree Snake (Boiga irregularis)Brown Tree Snake (Boiga irregularis)Cane Toad (Bufo marinus)Cane Toad (Bufo marinus)
European Starling (Sturnus vulgaris)European Starling (Sturnus vulgaris)Wild Boar (Sus scrofa)Wild Boar (Sus scrofa)
Avian Influenza (Orthomyxoviridae)Avian Influenza (Orthomyxoviridae)Exotic Newcastle Disease (Paramyxovirus)Exotic Newcastle Disease (Paramyxovirus)
Fowlpox (Avipoxvirus)Fowlpox (Avipoxvirus)Viral Hemorrhagic Septicemia (Novirhabdovirus)Viral Hemorrhagic Septicemia (Novirhabdovirus)
West Nile Virus (Flavivirus)West Nile Virus (Flavivirus)Whirling Disease (Myxobolus cerebralis)Whirling Disease (Myxobolus cerebralis)
Citrus Canker (Xanthomonas axonopodis)Citrus Canker (Xanthomonas axonopodis)Citrus Greening (Liberibacter asiaticus)Citrus Greening (Liberibacter asiaticus)
Dogwood Anthracnose (Discula destructiva) Dogwood Anthracnose (Discula destructiva) Gladiolus Rust (Uromyces transversalis) (Jun 11, 2009)Gladiolus Rust (Uromyces transversalis) (Jun 11, 2009)
Late Blight (Phytophthora infestans) (Jul 9, 2009)Late Blight (Phytophthora infestans) (Jul 9, 2009)Laurel Wilt (Raffaelea lauricola) (Aug 13, 2009)Laurel Wilt (Raffaelea lauricola) (Aug 13, 2009)
Plum Pox (Potyviruses: Potyviridae)Plum Pox (Potyviruses: Potyviridae)Southern Bacterial Wilt (Ralstonia solanacearum)Southern Bacterial Wilt (Ralstonia solanacearum)
Soybean Rust (Phakopsora meibomiae)Soybean Rust (Phakopsora meibomiae)Sudden Oak Death (Phytophthora ramorum)Sudden Oak Death (Phytophthora ramorum)White Pine Blister Rust (Cronartium ribicola)White Pine Blister Rust (Cronartium ribicola)
Brazilian Peppertree (Schinus terebinthifolius) Brazilian Peppertree (Schinus terebinthifolius) Canada Thistle (Cirsium arvense)Canada Thistle (Cirsium arvense)Chinese Tallow (Triadica sebifera)Chinese Tallow (Triadica sebifera)Cogongrass (Imperata cylindrica)Cogongrass (Imperata cylindrica)
Aquaria
Aquaculture
Ballast
Intentional Stocking Recreational Environmental Food (seafood)
Gardening
Invasive Species Monitoring
Fisheries Surveys
Water Monitoring
Terrestrial Surveys
Restoration
Invasive Species Monitoring
Fisheries Surveys
Water Monitoring
Terrestrial Surveys
Restoration
DecontaminationDecontamination
Hazard Analysis and Hazard Analysis and Critical Control Point Critical Control Point PlanningPlanning
Hazard Analysis and Critical Hazard Analysis and Critical Control Point Planning Control Point Planning
Tool that manages the risk of Tool that manages the risk of moving non-targetsmoving non-targets
Risk assessment of potential Risk assessment of potential pathwayspathways
Risk assessment determines the likelihood of moving species to an area where they may become invasive.
This process assumes that the impact of any invasive species introduction is significant
Once it is determined that a pathway poses a significant risk, then a plan is implemented to reduce this risk.
Utilize the HACCP planning process framework.
Easy five step tool Defines the critical point in a given activity whereby
the risk of a hazard can be reduced to an acceptable level.
The risk of a hazard is reduced by means of a control measure.
This control measure is then evaluated
www.HACCP-NRM.org
Decontaminate after each survey.
Methods: Drying Chemical
Sparquat, Bleach, Quat, Virkon, 409 Degreaser, Vinegar…
Freezing Water
Water pressure Hot water rinsing
Methods: Drying Chemical (Soak or Spray and
Brush) Sparquat, Bleach, Quat, Virkon, 409 Degreaser, Vinegar…
Freezing Water
Water pressure Hot water rinsing