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A COLLABORATION TO PREVENT THE INTRODUCTION AND SPREAD OF AQUATIC INVASIVE SPECIES

WESTERN AQUATIC INVASIVE SPECIES RESOURCE CENTER

AIS IN THE NEWS
 

INVASIVE SPECIES ALERT:  Zebra mussels have been detected in numerous living “moss ball” products marketed for freshwater aquarium and water terrarium use. Sold online, as well as at aquarium and pet stores, under a variety of names, for example “Marimo Moss Balls” or “Betta Buddy Marimo Balls”, these naturally occurring velvety-green balls of algae (not an actual moss) may harbor invasive zebra mussels! 

​Decontamination And Disposal Guidance

PSMFC Invasive Species Alert [pdf]

Destroy! Don't Dump [USFWS]

PIJAC Guidance [pdf]

WESTERN AIS NEWS:

Dreissenids

[Ontario] Invasive species, climate change behind bird and fish die-offs

Boat Inspections

[Utah] More than 315K boats inspected for quagga mussels during 2021 boating season 

Ballast Water

California adopts federal ballast water discharge standards

Marine

A doubled down invasion of the northeast Pacific by the Asian mud shrimp, Upogebia major and its coevolved bopyrid isopod parasite, Orthione griffenis

Fish

Montana Lake study reveals how invasive species affect native food webs

 

Aquatic Plants

Disappearing Act: Biologists hopeful that research study will explain the absence of hydrilla on T-Bend, other Texas lakes 

 

Education and Outreach

Addressing barriers to aquatic invasive species prevention behaviors among Illinois recreational water users.

 

Climate

COP26: climate change and its impact on invasive species

 

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AIS IN THE NEWS, CLICK HERE

REPORT AN INVASIVE SPECIES HERE.

Aquatic invasive species are marine, estuarine, or freshwater organisms that invade ecosystems beyond their natural, historic range. They cause economic and environmental damage as well as detrimentally affect human use of our natural resources by permanently degrading the habitats they invade, hindering economic development, reducing or eliminating recreational and commercial activities, decreasing the aesthetics of our environment, and serving as vectors of disease.

 

This website reflects the collaborative efforts of many states and provinces in the western United States and other regions of the country to prevent the introduction and spread of aquatic invasive species by focusing on their pathways of introduction, sharing information and best management practices, achieving consensus on protocols and standards as well as regulations, developing and implementing outreach campaigns to raise public awareness, and providing training. A network of committed individuals, agencies, and organizations are working together to advance our understanding of the detrimental effects of invasive species and reduce the effects they have on us, our environment, and our economy.

We encourage you to use this website to understand aquatic invasive species pathways, seeking watercraft inspection and decontamination training, want to understand the regulations that exist in different states and provinces, seek to learn the latest news about aquatic invasive species, or would like to review any of our interactive online databases, such as how and where biologists are monitoring for the presence of aquatic invasives, or what rapid response plans exist to address a new introduction of aquatic invasives. 

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Our thanks to everyone for the level of cooperation and collaboration that takes place on a daily basis to make the information on this website possible.

Invasive species affect ecosystem structure and function, resulting in a loss of biodiveristy or unique habitats.

 

Invasive species can:

  • Outcompete and displace native species

  • Cause dramatic shifts in trophic dynamics, food web structure, and species abundance

  • Cause local extinction of species

  • Cause large-scale mortality of trees and shrubs

  • Reduce the value of timber and agricultural crops and their associated products

  • Alterate ecosystem processes

  • Modify the provision of ecosystem services

  • Alterate gene pools through hybridization with native species

  • Alter carbon and nitrogen cycling, water use, and soil properties

  • Reduce potential of recreationally hunted and fished species

  • Diminish habitat aesthetics

  • Alter water chemistry

  • Host pathogens and parasites harmful to fish and other aquatic species

Prevention is the first line of defense: Everyone can make a difference in the fight against invasive species by learning about how to prevent their introduction and movement.

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