Ecology

Startling Capacities Of Regional Forests

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Harvard Forest (pictured) was included in a study that looks at how New England forests can be better utilized in the fight against climate change.
Stephanie Mitchell/Harvard Staff Photographer

We had no clue how much forest area that region has, nor how much capacity to absorb carbon that would translate to:

New England forests, new strategies can offset most regional emissions over 30 years, report says

Study, led by Harvard ecologist, lays out five policies to boost levels of absorption as six states lower emissions

A major new report suggests that with a handful of strategies New England’s 32 million acres of forests, which cover about three-quarters of the region, could eventually come close to absorbing 100 percent of all the carbon produced by the six states. Continue reading →

Ant Mass Calculation

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In this photo provided by the U.S. Fish and Wildlife Service, yellow crazy ants are seen in a bait testing efficacy trial at the Johnston Atoll National Wildlife Refuge in December, 2015. An invasive species known as the yellow crazy ant has been eradicated from the remote U.S. atoll in the Pacific. Robert Peck/AP

The mass of ants on earth is not a topic we have considered, but there is not too much surprise at reading this news:

The number of ants on Earth has a mass greater than all birds and mammals combined

For every human on Earth, there are estimated to be about 2.5 million ants — or 20 quadrillion in total.

A new study published by researchers at both the University of Hong Kong and University of Würzburg in Germany attempts to count the total number of ground-dwelling and tree-dwelling ants. Continue reading →

Will More Forests Cool The Planet Fast Enough?

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Thanks to Fred Pearce, who we normally link to at Yale e360, for The Forest Forecast, an article in the current issue of Science magazine:

Climate change could lead to a net expansion of global forests. But will a more forested world actually be cooler?

These are strange times for the Indigenous Nenets reindeer herders of northern Siberia. In their lands on the shores of the Arctic Ocean, bare tundra is thawing, bushes are sprouting, and willows that a generation ago struggled to reach knee height now grow 3 meters tall, hiding the reindeer. Surveys show the Nenets autonomous district, an area the size of Florida, now has four times as many trees as official inventories recorded in the 1980s. Continue reading →

Learning To Appreciate Wasps

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Wasps are one of the least appreciated creatures on the planet, but we have always suspected they deserve some respect. We just never investigated why that might be the case. So, our thanks to the Guardian for bringing this book to our attention in an article titled Why we should all love wasps:

Wasps have always had a bad press. But Dr Seirian Sumner, who has spent her life studying them, argues they are sophisticated, socially complex and essential to the environment

In The Wasp Woman, a 1959 B-movie directed by Roger Corman, the owner of a failing cosmetics company becomes the test subject for a novel anti-ageing formula manufactured from the royal jelly of wasps. Continue reading →

Questions About Forests As Carbon Sinks

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PEXELS

We have featured articles about forests so many times for multiple reasons. Even when we hint that we do so just out of pure love, it is almost always about the value of forests to our future on the planet. As always, when a Yale e360 article can help illuminate further on a topic, here goes:

This map shows the height of forests worldwide. Taller forests typically store more carbon. NASA

Climate Change Will Limit How Much Carbon Forests Take Up, New Research Shows

Governments are increasingly looking to forests to draw down carbon pollution, but worsening droughts threaten to stunt tree growth, while larger wildfires and insect infestations risk decimating woodlands, two new studies show. Continue reading →

The Effects Of Fire Suppression

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A controlled burn near the Blackwater National Wildlife Refuge in Maryland. SARAH BAKER

We have linked to many stories about wildfires over the years, noting their relationship to climate change. Our working assumption seems to have been that fire is always problematic, but here is reason to reconsider that, thanks to Gabriel Popkin and Yale e360:

Bringing Back Fire: How Burning Can Help Restore Eastern Lands

For millennia, North American ecosystems benefited from fire, mostly set by Indigenous people. Now, a movement is growing, particularly in the eastern U.S., to reintroduce controlled burns to forests and grasslands and restore the role of fire in creating biodiverse landscapes.

It’s an apocalyptic scene that has become all too familiar in recent years. Continue reading →

Society for the Protection of Underground Networks

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Hotspots of mycorrhizal fungi are thought to be under threat, from agriculture, urbanisation, pollution, water scarcity and changes to the climate. Photograph: Biosphoto/Alamy

We featured three articles by Fiona Harvey, Environment correspondent for the Guardian, each in 2016 on quite different topics, and then we did not see her again until today. Our attention to fungi has been constant since Milo got the topic started in 2011, and SPUN’s mapping project counts as good news:

World’s vast networks of underground fungi to be mapped for first time

Project aims to help protect some of trillions of miles of the ‘circulatory system of the planet’

Vast networks of underground fungi – the “circulatory system of the planet” – are to be mapped for the first time, in an attempt to protect them from damage and improve their ability to absorb and store carbon dioxide. Continue reading →

BioInvention Is The Thing

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Recycling Is Not Sufficient

We just attended an event that has been held each recent (non-pandemic) year in November, in Spanish called ExpoPYME. Small and medium sized companies are invited to show their products, and we like the messaging that this artisan had on a couple t-shirts.

Take Care Of The Environment

BioInventate is not an actual word in Spanish, yet. But if this campaign catches on it will be because more and more people are aware of the need to invent solutions to ecological problems.

Moving Species To Protect Their Viability

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The endangered western swamp turtle, which scientists have reintroduced into its native habitat in Australia. AUSCAPE/UNIVERSAL IMAGES GROUP VIA GETTY IMAGES

Thanks to Yale e360 for this:

Amid Climate Pressures, a Call for a Plan to Move Endangered Species

The conservation community has fiercely debated whether to help species move as climate change and habitat loss threaten more extinctions. Now, scientists are calling on an upcoming international conference to set guidelines for this complex – and potentially risky – challenge. Continue reading →

Colombia’s Blue Carbon Initiatives

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Thanks to YaleE360 for this brief explanatory note on Blue Carbon Projects from a Colombian perspective:

New Approach to Blue Carbon Projects Underway in Colombia

A mangrove preservation project along Colombia’s Caribbean coast is using a more comprehensive method to calculate how much carbon is stored in coastal and marine ecosystems, potentially boosting global efforts to conserve so-called blue carbon. Continue reading →

Trees Are Social Creatures

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When I first read about trees as social creatures five years ago it was thanks to a man in Germany. I am happy now to learn that a woman in Canada is at least as responsible for this concept as anyone else. She is promoting her book currently and there are at least three good ways to get a glimpse into it, and her, including this book review, this audio interview and IndieBound’s description:

Description

From the world’s leading forest ecologist who forever changed how people view trees and their connections to one another and to other living things in the forest–a moving, deeply personal journey of discovery

Suzanne Simard is a pioneer on the frontier of plant communication and intelligence; she’s been compared to Rachel Carson, hailed as a scientist who conveys complex, technical ideas in a way that is dazzling and profound. Her work has influenced filmmakers (the Tree of Souls of James Cameron’s Avatar) and her TED talks have been viewed by more than 10 million people worldwide. Continue reading →

Hedgerow Versus Berm, Win-Win

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Phoebe Weston is back in our pages with a story about the importance of a seemingly prosaic part of the old UK landscape–hedgerows.

Young dormice photographed by ecologist Rob Wolton during a two-year study of his hedge in Devon. Photograph: Robert Wolton

She covers their prospective role in meeting net-zero targets and the video above is an excellent primer on that. The details in her article below about Rob Wolton’s investigation of his own hedgerow is fascinating.  I am interested in the topic as much for the biodiversity implications as I consider whether my berms should all remain berms, or if some portion should become hedgerow:

‘Reservoirs of life’: how hedgerows can help the UK reach net zero in 2050

They store carbon and are havens for wildlife – it’s no wonder experts are calling for Britain’s hedge network to be extended

A dunnock’s nest containing eggs in Rob Wolton’s hedge. Thrush and bullfinch also made their homes in the hedgerow. Photograph: Robert Wolton

One New Year’s Day, ecologist Rob Wolton came up with an unusual resolution – to spend the next 12 months studying a hedge 40 metres from his house in the middle of Devon. He wanted to make a list of every plant, animal and fungus that used it. Why? Because a wildlife-enthusiast friend challenged him to do it during a long car journey.

“I thought it would take a year, but at the end of the first one Continue reading →

Kenya’s Rangelands, An Ecologist, & Television Attention

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In Kenya, those animals which poachers and cattle-herders have not killed off are being wiped out by new roads, power lines, mushrooming towns, and overgrazed, shrinking rangelands. Photograph by Khadija Farah for The New Yorker

Thanks to Jon Lee Anderson, whose Latin America stories’ gravity have compelled our attention in the past, for this story from another part of the world he once called home:

A Kenyan Ecologist’s Crusade to Save Her Country’s Wildlife

To get her fellow-citizens to care about threatened animals, Paula Kahumbu became a TV star.

Seventy miles southwest of Nairobi, the Loita Hills climb toward the sky from the red stone cleft of the Great Rift Valley. Situated beside the Serengeti and the Maasai Mara, the Loitas provide a vital watershed for migratory animals on the plains below. Forest pigs, bushbuck, black-and-white colobus monkeys, leopards, and Cape buffalo find refuge there, along with elephants that come to graze when the plains are dry. The Loita forest, one of Kenya’s last surviving stands of old-growth cedar, is sacred to the Maasai people, who call it Naimina Enkiyio—the Forest of the Lost Child, after the legend of a girl who followed wayward calves into the trees and never returned. Some twenty-five thousand Maasai live in settlements scattered through the lower valleys, where they herd goats and cows in sweeping meadows reminiscent of the Rocky Mountain foothills. The Loitas, rich in medicinal herbs and plants, are an irreplaceable resource for the laibon, the spiritual leaders of the Maasai. Continue reading →

Animal Bridges, Saving Lives & Protecting Species

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A wildlife overpass in Banff national park, in the Canadian Rockies. Photograph: Ross MacDonald/Banff National Park

Protecting wilderness–for broad reasons related to the value of biodiversity as well more narrow reasons related to mankind’s  basic requirements–have been a constant theme on this platform since we started; animal bridges, per se, have not. Here is a look at why these bridges matter:

How creating wildlife crossings can help reindeer, bears – and even crabs

Sweden’s announcement this week that it is to build a series of animal bridges is the latest in global efforts to help wildlife navigate busy roads

Reindeer viaducts in Sweden will keep herds safe from traffic as they roam in search of grazing. Photograph: Pawel Garski./Alamy

Every April, Sweden’s main highway comes to a periodic standstill. Hundreds of reindeer overseen by indigenous Sami herders shuffle across the asphalt on the E4 as they begin their journey west to the mountains after a winter gorging on the lichen near the city of Umeå. As Sweden’s main arterial road has become busier, the crossings have become increasingly fractious, especially if authorities do not arrive in time to close the road. Sometimes drivers try to overtake the reindeer as they cross – spooking the animals and causing long traffic jams as their Sami owners battle to regain control. Continue reading →

One More Reason Why Native Plant Species, Not To Mention Insects, Matter

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ENZO PÉRÈS-LABOURDETTE / YALE E360

As the curvy berm we started forming earlier this year, combined with 100+ newly planted trees, transition from wet season to dry season, we have been noticing an uptick in insects. While most of my early life experiences in Connecticut led me to believe that the world (or at least I) would be better off with fewer insects, I now think exactly the opposite. Last Sunday I had my first sighting of a bird (same species as our friend Daniel captured by camera in Guatemala a few weeks ago) that is likely here for some of those insects. That sighting alone would have been enough to convince me that more insects are better than fewer. Janet Marinelli‘s article in Yale Environment360 gives me more to ponder on this topic:

How Non-Native Plants Are Contributing to a Global Insect Decline

The impact of introduced plants on native biodiversity has emerged as a hot-button issue in ecology. But recent research provides new evidence that the displacement of native plant communities is a key cause of a collapse in insect populations and is affecting birds as well.

Zebra swallowtails are entirely dependent on pawpaw trees, which have leaves that are the butterflies’ larvae only source of food. COURTESY OF DOUGLAS TALLAMY

For years, Doug Tallamy sounded the alarm about the grave threat that plants introduced from abroad pose to native insects. By transforming native plant communities into so-called novel landscapes increasingly dominated by exotic species on which many insects cannot feed, the University of Delaware entomologist speculated, they imperil not only insects but also the birds and other animals that depend on insects for survival. Continue reading →

Intimate Ecological Ethos

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A view of the Cherry Esplanade from the top of the Robert W. Wilson Overlook at the Brooklyn Botanic Garden. George Etheredge for The New York Times

Beyond books and other published material, New Yorkers have plenty of places to see natural spectacles, places where nature can be better understood in an otherwise concrete jungle. Ecological ethos describes the new feel of the intimate 52 acres in one of those places:

Brooklyn Botanic Garden Turns Over a New Leaf

A wild meadow and woodland ‘ruin’ are now on exuberant display. The new, ecologically minded garden boasts shaggy clouds of vegetation.

Lavender asters burst through ground-hugging meadow species at the overlook. George Etheredge for The New York Times

Only a skeleton staff at the Brooklyn Botanic Garden witnessed the blizzard of cherry blossoms scattered by spring breezes during the pandemic shutdown. Delicate blooms of wisteria tumbled over pergolas and plump roses unfurled with no appreciative fans to say “Oooh.”

The garden reopened in August for a limited daily number of socially distanced visitors. Now, as fall’s vibrant, showy display begins, meadow and woodland gardens completed at last winter’s onset are finally coming into their own. They are the culmination of a yearslong evolution, as the garden turns over a new leaf with the selection in September of Adrian Benepe, a former commissioner of the New York City Department of Parks and Recreation, as the new president and chief executive. Continue reading →

Preparing For An Entangled Future

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The Science section of the Guardian’s website has an article profiling an author and his new book (click above to find the book on the author’s website) that relate to a topic we care about as much as any we post about on this platform.

Shiitake mushrooms (Lentinula edodes) being home cultivated. Photograph: Gerry Bishop/Alamy

When Amie and Milo and I moved to Kerala, India in 2010 it was ostensibly for the sake of our client. But it was also for Milo. He was 16 years-old with a strong interest in mycology, and was motivated to translate his knowledge into practice. Within the first year he set up a small farming operation for culinary mushrooms.

Underground network: a wood-rotting fungal mycelium exploring and consuming a log. Photograph: Alison Pouliot

He was adept at explaining the importance of complex networks like those in the image to the left, and made me a believer: the future is fungal, for culinary, medicinal, and bio-remediation purposes. When restoration of this coffee farm started, I built a berm with logs at the core, expecting a mycelium network to develop, creating a healthy border for the shade trees planted.

These days Milo has his own forest tract to continue these pursuits and I keep a lookout for related stories of interest. Merlin Sheldrake has my full attention today:

The future is fungal: why the ‘megascience’ of mycology is on the rise

The study of fungi has long been overshadowed by more glamorous scientific quests. But biologist Merlin Sheldrake is on a mission to change that

Merlin Sheldrake is convinced fungi will play a crucial role in our growing understanding of the environment. Photograph: Cosmo Sheldrake

As a boy, Merlin Sheldrake really loved the autumn. In the garden of his parents’ house – he grew up a few moments from Hampstead Heath, which is where he and I are walking right now, on an overcast summer morning – the leaves would fall from a big chestnut tree, forming gentle drifts into which he liked nothing more than to hurl himself. Wriggling around until he was fully submerged, Sheldrake would lie there, quite content, “buried in the rustle, lost in curious smells”. As he writes in his wondrous new book, Entangled Life, these autumnal piles were both places to hide and worlds to explore. Continue reading →

Smelling Without A Nose

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Common blue butterfly in Weymouth, Dorset, UK. © Verity Hill

Common blue butterfly in Weymouth, Dorset, UK. © Verity Hill

Thanks to Alex Morss for this second opportunity to feature her work:

How can butterflies and moths smell?

How can butterflies and moth find food-plants and mates by smell if they don’t have a nose? Ecologist Alex Morss explains how they can sense with other parts of their body. Continue reading →

Changing Tides

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SIERRA-body-WB_2Thanks to Sierra for publishing In Pursuit of an Ecological Resilience in the Anthropocene, an excerpt from Alejandro Frid’s “Changing Tides”:

The birth of my daughter, in 2004, thrust upon me a dual task: to be scientifically realistic about all the difficult changes that are here to stay, while staying humanly optimistic about the better things that we still have.

By the time my daughter turned eleven, I had jettisoned my nos­talgia for the Earth I was born into in the mid-196os—a planet that, of course, was an ecological shadow of Earth 100 years before, which in turn was an ecological shadow of an earlier Earth. Continue reading →

Graphic Artists & Ecological Education

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Since we started this platform in 2011 I have been on the lookout for graphical representations that help me, and therefore might help others, understand complex issues related to the environment. Photography has been the easiest reach for me, perhaps because I am a son of, a brother of, and a father of people who have mastered that form. Comics were not part of my life, so that form has eluded me. And I realize that the work of Susie Cagle escaped my attention–as I have shared visual artists’ depictions of natural phenomena, with science and especially ecological issues emphasized–until now. And this is a good way for her work to come to my attention, because in our family we have been debating this tree’s value for decades:

Fire-starting weed or ecological scapegoat? The battle over California’s eucalyptus trees

The fight over a celebrated exotic plant highlights questions over California’s future amid the climate crisis