California’s Invaders - California Department of Fish and Wildlife
The Invasive Species Program has identified numerous actual and potential invasive species from which we strive to protect California’s wildlands and waterways. Many invaders have already established populations in various regions of California and occur in different stages of the invasion process.
California Invasive Species - California Department of Fish and …
2024年10月31日 · The Invasive Species Program has developed an outreach poster to aid in the identification of six invasive species that threaten California's freshwater environments. View the poster (PDF) (opens in new tab) , or look for it on display in a CDFW office or hatchery.
About Invasive Species In California - California Department of Fish ...
Invasive species threaten the diversity or abundance of native species through competition for resources, predation, parasitism, interbreeding with native populations, transmitting diseases, or causing physical or chemical changes to the invaded habitat.
Native Plants and Invasive Species - California Department of Fish …
Invasive plants not only crowd out crops, degrade rangeland, increase the potential for wildfire and flooding, consume valuable water, and degrade recreational opportunities, but they also pose a serious threat to California’s native plant species.
California’s Invaders: Nutria - California Department of Fish and ...
2008年4月13日 · The destructive feeding habits of nutria threaten populations of rare, threatened, or endangered species that rely on critical wetland habitats. Nutria also serve as hosts for tuberculosis and septicemia, which are threats to humans, livestock, and pets.
California’s Invaders: Mute Swan - California Department of Fish …
In California, mute swans are sometimes kept as aesthetic “pets” at private residences and city park ponds. They have been observed in the wild in Suisun Marsh (Solano County) and Petaluma Marsh Wildlife Area (Marin and Sonoma Counties).
California’s Invaders: Golden Mussel - California Department of …
Golden mussel (Limnoperna fortunei), an invasive, non-native freshwater/brackish bivalve, was recently discovered in the Sacramento - San Joaquin Delta. This discovery is the first known occurrence of golden mussels in North America.
California’s Invaders: American Bullfrog - California Department of ...
Although American bullfrogs have become widespread throughout California, they are rarely found in elevations above 7000 ft. in the Sierra Nevada Mountains. A few documented populations do exist in areas surrounding the greater Tahoe region where habitat is …
Laws and Regulations regarding Invasive Species
Appendix G of the CAISMP includes lists of aquatic invasive plants and animal species in California that are regulated by laws and regulations that are species-specific. It is a matrix that shows the status or ratings of these species under various state and federal statutes and policies.
California Aquatic Invasive Species Management Plan
This plan proposes management actions for addressing aquatic invasive species (AIS) threats to the State of California. It focuses on the non-native algae, crabs, clams, fish, plants and other species that continue to invade California’s creeks, wetlands, rivers, bays and coastal waters.