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Kali Middleby @kalimiddleby.bsky.social · Sep 4

Can tropical rainforest trees keep their cool? Now out in @globalchangebio.bsky.social we explored whether intraspecific variation in leaf energy balance was a result of adaptation to local climate.
doi.org/10.1111/gcb....

Local Adaptation Drives Leaf Thermoregulation in Tropical Rainforest Trees

We tested whether tropical rainforest trees adjust their leaf traits and resulting leaf temperatures across their distributions within the Australian Wet Tropics. Using field measurements from across...

doi.org

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NRDC @nrdc.org · Sep 3

The Trump administration wants to repeal the Roadless Rule which would open up nearly 50 million acres of national forests to disastrous logging and destroy the habitat of over 50 endangered species. Submit a comment now to protect them. https://on.nrdc.org/4lTDsxN

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Congresswoman Yassamin Ansari @repyassansari.bsky.social · Sep 3

Our country’s most wild places, including 7 forests in AZ, are under attack as Trump targets tries to repeal the Roadless Rule.

Join me in telling this Administration that our forests aren't up for grabs! Make your voices heard to @forestservice.bsky.social ⬇️
www.regulations.gov/document/FS-...

Regulations.gov

www.regulations.gov

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Silu Wang (she/her)🇨🇦 @siluwang.bsky.social · Sep 4

Forests are at risk: 70% of the Earth’s remaining forests are within 1 km of a forest edge. Rolling back the wilderness protection rules would further erode the integrity of the forest ecosystems. There are only 16 days left to speak up...
#forest #biodiversity #ecosystem #ClimateAction

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Silu Wang (she/her)🇨🇦 @siluwang.bsky.social · Sep 4

Here's the link to comment and support the Roadless Rule that protects forest habitats for generations of people and precious #wildlife like this grouse mom and her baby. shorturl.at/JIJeZ
#wilderness #biodiversity #forest

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Silu Wang (she/her)🇨🇦 @siluwang.bsky.social · Sep 4

Forests are at risk: 70% of the Earth’s remaining forests are within 1 km of a forest edge. Rolling back the wilderness protection rules would further erode the integrity of the forest ecosystems. There are only 16 days left to speak up...
#forest #biodiversity #ecosystem #ClimateAction

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Sierra Club @sierraclub.org · Sep 3

Don't let them destroy our last wild forests.

Did you know that the Trump administration is threatening protections for nearly 60 million acres of our wildest forests?

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Will🇺🇸📎✌️🌲 @econaturalist.bsky.social · Aug 30

You have just 3 weeks to object to the Roadless rule rollback.

Link to USDA public comments here:

You Have Just 3 Weeks to Object to the Roadless Rule Rollback, Which Will Affect 45 Million Wild Acres Across the U.S.

The Trump administration just opened a three-week comment period for revoking the Roadless Rule, which keeps wilderness intact.

www.outdoorlife.com

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Sierra Club @sierraclub.org · Sep 3

We can't let this happen. Send a comment to the US Forest Service telling them that our forests need the Roadless Area Conservation Rule.

Take Action! sc.org/Roadless/Rule

Home

sc.org

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Clara Jeffery @clarajeffery.bsky.social · Aug 31

Trump is trying to repeal a roadless rule that prevents loggers from denuding National Parks—something they just announced and which public only has a few weeks to speak against insideclimatenews.org/news/3008202...

The Trump Administration Is Trying to Revoke the ‘Roadless Rule.’ The Public Won’t Have Much Time to Weigh In - Inside Climate News

The rule protecting remote wilderness areas received 1.6 million public comments when it was developed. People will have just 14 business days to comment on a key part of its rescission.

insideclimatenews.org

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Andrew Hipp @andrewlhipp.bsky.social · Sep 1

Speak up now if you care about the benefits of roadless areas for biodiversity, ecosystem services, & wilderness experience!

Proposal to rescind the 2001 Roadless Area Conservation Rule: www.regulations.gov/document/FS-...

Comments due 9/19: www.regulations.gov/commenton/FS...

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Center for Biological Diversity @biologicaldiversity.org · Sep 3

The Roadless Rule has protected roadless forests since 2001, keeping them free from logging, road-building, and other industrial development.

Now the Trump administration wants to strip protections from 45 million of those acres.

Please add your voice to oppose this plan: biodiv.us/4ngK1vC

Three juvenile brown bears laying on a mossy log with an adult bear standing in front in the water. Text overlay says protect wild forests. Stop Trump's roadless rule repeal.

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Ada Palmer @adapalmer.bsky.social · Sep 1

The Roadless Rule does a huge amount to protect wild areas against wildfires, the vast majority of which begin near roads. It's super easy to leave a comment urging them to keep the Roadless Rule and protect against fires. Comments like this make a big impact! www.regulations.gov/commenton/FS...

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Outdoor Alliance @outdooralliance.bsky.social · Aug 29

The Roadless Rule is under threat! Today, the USDA opened a 21-day comment period on its plan to rollback protections for nearly one third of America’s National Forest land, including 8,700 climbing routes, 768 miles of whitewater paddling runs, and 25,000 miles of trail.

Roadless Rule Under Threat: Speak Up for 45 Million Acres of National Forests — Outdoor Alliance

Nearly 45 million acres of backcountry forests are at risk. Before September 19, tell the USDA to keep these landscapes protected.

www.outdooralliance.org

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Silu Wang (she/her)🇨🇦 @siluwang.bsky.social · Aug 30

Why do speciation rates vary across the tree of life?
Some of the best yet most underappreciated places for this investigation are natural hybrid zones.
This preprint takes you to the hybrid zones in the origin of species to find a clue. 👉 shorturl.at/N7FXE
#Speciation #Evolution #hybridization

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Silu Wang (she/her)🇨🇦 @siluwang.bsky.social · Sep 1

The refined Endosymbiotic Speciation Rate Models are better supported by the data with much lower AICs (Table 2). When considering mito & nuclear effects explicitly, the Snowball Effect emerged. The effect sizes of mtDNA & nDNA significantly deviated from the null distributions. #evolution

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Silu Wang (she/her)🇨🇦 @siluwang.bsky.social · Aug 31

To account for the independent & interactive effects of mitochondrial & nuclear substitutions on the selection against hybrid DNA, we propose to refine the three speciation rate models into the Endosymbiotic Speciation Rate Models to have Kn and Km explicitly. #speciation #evolution

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Silu Wang (she/her)🇨🇦 @siluwang.bsky.social · Aug 31

Such distinct demographic and evolutionary processes in mitochondrial and nuclear genomes have significant consequences for the origin of species boundaries, which we have discussed in a recent review. #speciation #genomics #evolution onlinelibrary.wiley.com/doi/10.1111/...

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Silu Wang (she/her)🇨🇦 @siluwang.bsky.social · Aug 31

On a fun side note, we found an intriguing difference in mitochondrial and nuclear cline widths, with nuclear clines wider than mitochondrial clines. For animal populations, mtDNA often has a smaller Ne, but a greater mutation rate & purifying selection than nDNA. #genetics #evolution

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Silu Wang (she/her)🇨🇦 @siluwang.bsky.social · Aug 31

With quality-filtered data, we calculated selection against the hybrids with dispersal & cline width, mitonuclear genetic distance between the parental lineages we conducted model selection. The Slowdown Effect is best supported by the data with an effect size of ~3.5. #speciation

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Silu Wang (she/her)🇨🇦 @siluwang.bsky.social · Aug 31

Only a subset of the organismal systems had independent estimates of dispersal & generation time, which urgently call for more organismal life history studies before #biodiversity loss. Also, notice the geographic gap in hybrid zone studies in biodiverse areas in tropical rainforests.

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Silu Wang (she/her)🇨🇦 @siluwang.bsky.social · Aug 31

With the 330 hybrid zones, we extracted data for selection against hybrids (S) & genetic distance between parental lineages (K). For S, we extracted genetic cline width and dispersal. We extracted the generation time to unify the units KM/sqrt(gen) for all dispersal estimates. #biogeography

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Silu Wang (she/her)🇨🇦 @siluwang.bsky.social · Aug 30

Hybrid zones are precious arenas for estimating the tension of gene flow and genetic incompatibility underlying the evolution of reproductive isolation at nascent species boundaries. Here we bring you a World Map of Animal Hybrid Zones. #hybridization #speciation #Evolution

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Silu Wang (she/her)🇨🇦 @siluwang.bsky.social · Aug 30

The modern population genetic characterization of reproductive isolation as diminishing gene flow between diverging lineages effectively captures the speciation continuum. Hybrid zones are precious for inferring the formation of species boundaries in the face of gene flow.

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Silu Wang (she/her)🇨🇦 @siluwang.bsky.social · Aug 30

To test the alternative speciation rate models, we need to reliably and independently estimate reproductive isolation (S) and genetic distance (K) between hybridizing species pairs in the early stage of speciation. #speciation #evolution

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