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News and Opinion

Coverage of invasive species since May 14, 2024.

Zebra mussels inspection at Manitoba-Ontario border

"...Aquatic invasive species threaten biodiversity by altering food webs, damaging habitats and out-competing native species, causing serious harm to Canadas aquatic ecosystems, Fisheries and Oceans Minister Diane Lebouthillier said in a statement..."


Quebec travellers affected by Hurricane Beryl may be entitled to compensation

"...Quebec travellers whose vacations were disrupted by Hurricane Beryl could be reimbursed or compensated, the Office de la protection du consommateur (OPC) announced in a press release on Friday..."


List of threatened species grows by 1,000, but conservation efforts bring hope for some animals

"...Over 45,000 species are now threatened with extinction 1,000 more than last year according to an international conservation organization that blames pressures from climate change, invasive species and human activity such as illicit trade and infrastructural expansion..."


Shiny geranium spread prompts alarm

"...Jemma Green is the Islands Trust Conservancy (ITC) rep in the CRD-led Capital Region Invasive Species Partnership (CRISP) program. As an ITC protected areas manager, she works with private landowners to manage their conservation covenant lands. Green said she hadnt seen shiny geranium on Salt Spring Island until last May..."


Nobody Asked Me But: Whos the real invasive species?

"...We are not dealing with science fiction here. The danger, it seems, stems from invasive species which have escaped into our forests, wetlands, rivers, oceans and even the skies above our heads. Whether they have been imported accidentally or intentionally, they pose a threat to the biodiversity of our country, province and even this island we call home..."


How 3D-printed traps are tracking an invasive species in Ont.

"...Its thanks to a partnership between Natural Resources Canada and the Invasive Species Centre, which runs the HWA trap program.  ..."


Alberta increases fine for failing to have boats inspected by 1,200%

"...The Alberta government is increasing fines against boaters who fail to have their watercraft inspected to prevent the spread of invasive species in the province's waterways..."


Province takes aim at aquatic invasive species with big fines for boaters

"...The province is trying to crack down on the threat of invasive species in Alberta's waterways..."


Joro spiders are back in the news. Here's what the experts really think about them

"...Scientists instead worry about the growing prevalence of invasive species that can do damage to our crops and trees a problem made worse by global trade and climate change, which is making local environmental conditions more comfortable for pests that previously couldn't survive frigid winters..."


Was this the bug that stung you? Wasp sightings revive murder-hornet concerns; no detections confirmed

"...You only saw it for an instant before it got you. Narrow, translucent wings, patches of loud yellow and obsidian black; sharp, alien features and an even sharper stinger. Good heavens, the size of it! At first glance, it may seem this could only mean one thing -- that five years on from their first Canadian sighting in 2019, they may have finally come to your neighbourhood..."


Rocky View County Launches Summer Weed Spraying Program

"...Chestermere, AB Rocky View County (RVC) has announced the start of its summer weed spraying program, a critical measure to protect the regions native plants, agricultural lands, and wildlife habitats from invasive species. This initiative is part of a strategic three-year rotation focusing on Division 3, 4, and 7 this season. This crucial initiative helps protect our native flora, agricultural lands, and precious wildlife habitats from the threat of invasive species, RVC stated in a release on social media..."


Recommended Reading

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Jobs in invasive species

Recent employment opportunities from across Canada.

Section Manager, Urban Forestry & Natural Areas - District of North Vancouver (North Vancouver, BC)

"...Considerable knowledge of the methods, procedures and best management practices related to urban forestry and arboriculture, natural areas management, invasive species management, safety and wildfire risk mitigation, ecological restoration, and natural areas recreation..."

related opportunities

Aquatic Invasive Species Coordinator - Okanagan and Similkameen Invasive Species Society (Summerland, BC)

"...Do you love being outdoors and working around water? Are you excited about engaging the public on important environmental issues? Do you have experience with fieldwork and supervision? Then this position is for you! We are seeking an enthusiastic, motivated individual to join our team..."

related opportunities

Communications and Outreach Coordinator - Okanagan and Similkameen Invasive Species Society (Summerland, BC)

"...Do you love biology or nature? Are you excited about engaging the public on important environmental issues? Do you have experience in communications or outreach? Then this position is for you! We are seeking an enthusiastic, motivated individual to join our team..."

related opportunities

Operations Coordinator - Okanagan and Similkameen Invasive Species Society (Summerland, BC)

"...Are you passionate about a healthy environment? Are you experienced in team leadership? OASISS is looking for a highly motivated individual for our Operations Coordinator..."

related opportunities


Recent episodes that mention invasive species.

Pests & Predators Podcast, Ep 26: Invasive species awareness: what to look for and how to report it

Duration: 35:26

"...Several of the crop pest species farmers grapple with in a season aren't actually native to the area..."


#192 Conservation Roundtable Ep5: Invasive species, sage grouse & nuclear disaster wildlife recoveries

Duration: 41:34

"...In the fifth of six conservation roundtable episodes, Byron is joined by Jess Johnson, government affairs director at the Wyoming Wildlife Federation, and Ford Van Fossen, conservation and content manager at First Lite to tackle stories from around the world..."


#179 Jake Muise: Harvesting wild meat in Hawaii. The Maui Nui story. Conservation / invasive species / venison / food / ecology

Duration: 01:14:03

"...Jake Muise is the co-founder of Maui Nui Venison based in Hawaii..."


6/26/20 - Tick App; Saginaw River Water Quality; Spotted Lanternfly

Duration: 03:00

"...The Tick App gives users tips on avoiding ticks and lets them share their tick exposure..."


Informative Video

Discussions, Documentaries, and Investigative Reports about invasive species.

Mean Green: How Invasive Species are Choking our Forests and Parks | ONsite

"...Explore the threats by invasive species lurking in our cherished green spaces and join TVO on a hike to meet the dedicated volunteers of all ages committed to preserving our urban forests, ravines, and wetlands..."


The Tropical Giant on the Brink of Extinction

"...That's far easier said than done though, with threats ranging from habitat degradation and overharvesting to invasive species and disease..."


Academic Research

Recent peer-reviewed papers about invasive species relevant to the latest news.

Effects of oligotrophication and Dreissena littoral-pelagic coupling on littoral invertebrate and fish communities: insights fr

"...Changing nutrient concentrations and introduction of non-native species affect the energy and nutrient fluxes in aquatic ecosystems..."


Assessing Climate Vulnerability of Ramsar Wetlands through CMIP6 Projections

"...There could be multiple threats to the wetland ecosystem such as habitat loss, pollution, invasive species, climate change, overexploitation, hydrological modifications, etc..."


Exploring macrophytes? microbial populations dynamics to enhance bioremediation in constructed wetlands for industrial pollutan

"...However, little research has examined the role surrounding microbial population play on macrophyte efficiency in pollutant degradation, the extent and even mechanisms of these interactions, and their potential utility in wastewater treatment of diverse industrial effluents..."


Risk of Asian hornet invasion in Mexico: a proposal for invasive species risk assessment from a spatial perspective

"...These efforts will be crucial in protecting biodiversity, preserving ecosystems and safeguarding the country?s economy from the negative consequences associated with invasive species..."


Invasion genetics of the yellow-legged hornet Vespa velutina in the Westernmost Mediterranean archipelago

"...Yellow-legged hornets cause severe damage to ecosystem by predating over a wide variety of pollinators including honeybees..."


Tilapia venturing into high-salinity environments: A cause for concern?

"...Our findings highlight the potential for a typically freshwater invader to spread through marine ecosystems, raising concerns regarding the licensing of aquaculture projects within rivers and estuaries, as tilapia may significantly affect native Brazilian biota..."


Invasive submerged plant has a stronger inhibitory effect on epiphytic algae than native plant

"...These findings emphasize the importance of native aquatic vegetation restoration for biodiversity conservation in shallow aquatic ecosystems, considering the impact of invasive species on epiphytic algal communities..."


A survey and risk screening of non-native ant species colonising greenhouses in Hungary

"...Invasive species represent a severe threat for ecosystem health worldwide..."


Genetic diversity of Egeria densa Planch. (Hydrocharitaceae) in Brazilian reservoirs

"...Macrophytes harbor numerous potentially invasive species that pose a threat to biodiversity and ecosystem services in freshwater environments..."


Social and ecological drivers of behavior that prevents aquatic invasive species transport

"...One vector of biological invasions is recreational boaters who are at risk of unintentionally introducing AIS when moving between freshwater ecosystems..."