Anthony Ricciardi
@ecoinvasions.bsky.social
4K followers 980 following 840 posts

Ecologist (invasive species, freshwater biodiversity, bioinvasions, aquatic ecosystems) | Professor of Biology, McGill University | Director of the Bieler School of Environment | My lab account: @ricciardilab.bsky.social

Environmental science 69%
Geography 17%
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ecoinvasions.bsky.social
In the Acknowledgements, the authors thanked "the three thoughtful reviewers that provided comments".

I wonder how many invited reviewers declined?

ecoinvasions.bsky.social
The reviewer crisis: data from the journal Biological Invasions:

"Reviewer acceptance rates dropped steadily over the past two decades. Early-career researchers had the highest acceptance rates, while senior scholars were least likely to accept review invitations."
link.springer.com/article/10.1...

Reposted by Julie L. Lockwood

ecoinvasions.bsky.social
Beautiful.
billsutherland.bsky.social
At end of excellent CCI meeting about future plans we remembered Jane Goodall (who did her PhD in Zoology). Instead of a minute silence we opted for a minute noise - full of clapping and hooting. Much more suitable!

ecoinvasions.bsky.social
This recent study is important enough to post again.

Quote: "We advise caution regarding the intentional introduction of large mammalian herbivores for conservation purposes (rewilding, assisted colonization) without rigorous assessment of their impacts on native communities."
ecoinvasions.bsky.social
New study comparing positive & negative impacts of nonnative large herbivores on native species. #bioinvasions

"Negative impacts are more common, and of higher magnitude than positive impacts. Reported impact magnitudes decline over time only for positive impacts."
www.nature.com/articles/s41...
Harms of introduced large herbivores outweigh benefits to native biodiversity - Nature Communications
Using impact assessment frameworks, this study shows that the introduction of large mammalian herbivores outside their native range has predominantly caused negative impacts on native biodiversity glo...
www.nature.com

ecoinvasions.bsky.social
Non-native omnivorous mammals (pigs & rats) have often replaced native frugivorous birds, bats & tortoises. These replacements have different physical traits that affect the size of seeds they can carry. Consequently, the long-term survival of native plants is threatened.
phys.org/news/2025-10...
Introduced animals change how island plants spread, global study finds
On islands, many plants rely on animals such as birds, bats and reptiles to disperse their seeds and help them grow in new places. When native animals go extinct, this naturally reduces seed dispersal...
phys.org
mongabay.com
[COMMENTARY]

“The IUCN congress offers a crucial chance to turn global attention toward the pet trade. If we fail to act, this commerce will continue hollowing out ecosystems, spreading invasive species, and endangering health,” a new op-ed argues.

** Views expressed are author's.
New global guidelines needed to rein in the wildlife pet trade (commentary)
The illegal and unsustainable wildlife pet trade depends on the appeal of live animals — creatures that people naturally want to care for. Yet behind the allure of a bright-eyed chameleon or playful…
news.mongabay.com

Reposted by Anthony Ricciardi

billsutherland.bsky.social
At end of excellent CCI meeting about future plans we remembered Jane Goodall (who did her PhD in Zoology). Instead of a minute silence we opted for a minute noise - full of clapping and hooting. Much more suitable!

ecoinvasions.bsky.social
Watch to the end.
kojamf.bsky.social
Dr. Jane Goodall filmed an interview with Netflix in March 2025 that she understood would only be released after her death.

Reposted by Anthony Ricciardi

resiliencesci.bsky.social
A boost for integrative rethinking of resilience in water-driven transitional ecosystems
Hurtado+
doi.org/10.1093/bios...

rethinking resilience of water-driven transitional ecosystems
"characterized by experiencing periodic and reversible alternations of aquatic-terrestrial transitional states"
Figure 2. Assembly disassembly dynamics of biological covers in water-driven transitional ecosystems. Historically, biodiversity assessmentshave primarily been focused on the ability of aquatic biofilms (in light green) to resist and recover from drying, overlooking the compensatoryeffects provided by terrestrial organisms. However, during the terrestrial phase, aquatic species must acclimate or emigrate, favoring organismswith rapid life cycles and specific adaptations for survival during the terrestrial phase (biocrusts in brown). Within an integrative approach,biological covers (in blue) are a cornerstone community, embracing both biofilm and biocrust dynamic ensembles that better represent thebiodiversity changes associated with fluctuating water availability. WDTE refers to water-driven transitional ecosystem.
kojamf.bsky.social
Dr. Jane Goodall filmed an interview with Netflix in March 2025 that she understood would only be released after her death.
kevinjkircher.com
Sometimes I think about how from 1935-1975ish, Bell Labs produced an insane amount of revolutionary science and technology, including 11 Nobel Prizes, the transistor, UNIX, C, the laser, the solar cell, information theory, etc. The secret? Provide scientists with ample, steady, no-strings funding.
sites.stat.columbia.edu

Reposted by Anthony Ricciardi

sagan.bsky.social
"The prediction I can make with the highest confidence is that the most amazing discoveries will be the ones we are not today wise enough to foresee."

-Carl Sagan, Billions & Billions: Thoughts on Life and Death at the Brink of the Millennium

ecoinvasions.bsky.social
It was a pleasure to visit Leeds University and to see @josiesouth.bsky.social (one of my favorite colleagues) and her keen group of grad students.
josiesouth.bsky.social
This week was full of training, workshops and seminars. @leopoldadrianus.bsky.social taught the group ecomorphology, @ecoinvasions.bsky.social gave an insightful lecture on context dependent invasion impacts

Reposted by Anthony Ricciardi

c-j-fisher.bsky.social
No one understood the importance of scientists engaging in society more than #JaneGoodall.

Though she lived a long, vibrant life, I still felt sad today, knowing that we lost an incredible ambassador for science, whose empathy, curiosity, and resilience inspired me and countless others.

(1/5) 🧪

Reposted by Anthony Ricciardi

josiesouth.bsky.social
This week was full of training, workshops and seminars. @leopoldadrianus.bsky.social taught the group ecomorphology, @ecoinvasions.bsky.social gave an insightful lecture on context dependent invasion impacts
ricciardilab.bsky.social
In the Richelieu River, 25 years' exposure to zebra mussel fouling and food competition has produced a longterm erosion of native unionid mussels, despite the river's chemistry being suboptimal for zebra mussels.
cdnsciencepub.com/doi/10.1139/...

Pre-print: utoronto.scholaris.ca/bitstreams/9...

Reposted by Anthony Ricciardi

ecoinvasions.bsky.social
Sabotage by animal rights militants? 😁

ecoinvasions.bsky.social
Invasional meltdown is a fascinating, poorly understood, and highly consequential phenomenon that can transform entire ecosystems. New models and experiments are needed to inform theory.
#bioinvasions #invasivespecies
ecoinvasions.bsky.social
1/ Invasional meltdown is a popular but nebulous concept in invasion ecology. It involves multiple direct & indirect mechanisms, yet it is rarely studied beyond simple pairwise facilitations.

In a new paper, we expand the concept & offer testable hypotheses: redpath-staff.mcgill.ca/ricciardi/Ri...

ecoinvasions.bsky.social
Count me, too, among the ecologists who are unimpressed with conservation philosophies that embrace/ignore/soft-pedal invasive species.
chleansaidlane.bsky.social
I am giving a short online overview of my recent paper, next week. Expect me to be unimpressed with new conservation, compassionate conservation, the multispecies justice movement, and others defending invasive species. Register here:

cassyni.com/events/GXDbo...

Reposted by Henry Jones

ecoinvasions.bsky.social
"I choose to listen to the river for a while, thinking river thoughts, before joining the night and the stars."

- Edward Abbey ('Desert Solitaire', 1968).
#WorldRiversDay #StLawrenceRiver
Person fishing on St Lawrence River with Montreal skyline in background. (Associated Press photo)

Reposted by Anthony Ricciardi

thismanyyearsago.bsky.social
63 years ago, on the 27th of September 1962, Rachel Carson's book Silent Spring was published. It handled the environmental harm caused by the pesticide DDT and the disinformation spread by the chemical industry. Carson managed to sway public opinion and even policy. #otd #history 🗃️
Rachel Carson photo credit: Science History Images / Alamy

ecoinvasions.bsky.social
"We’ve looked at the Ganges and the Caspian Sea, but this could have been about Lake Victoria, or about drying rivers in Europe, or the disappearance of Bolivia’s second largest lake.

It’s not just water that disappears: it’s entire ecosystems and ways of life." theconversation.com/vanishing-wa...
Vanishing waters in a warming world
Bad news for the rivers and the lakes that we’re used to.
theconversation.com

ecoinvasions.bsky.social
New paper from our lab: The use of #microplastics as case-building material by larval caddisflies facilitates the transfer of plastic (& potentially its associated contaminants) to predatory fish.
Larval caddisflies (Limnephilidae) that had been exposed to microplastics (PET) and natural materials will readily incorporate plastic into their cases. Plastic in gastrointestinal tract of a freshwater fish (brown bullhead) exposed to larval caddisflies whose cases incorporate plastic.