Ecology

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:

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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

Farms & Non-Farms For Our Future

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Critics note that flawed strategies have encouraged tree farms, such as this oil palm plantation in Costa Rica. SHUTTERSTOCK

Richard Conniff explains why tree farms, like the one pictured above, are not part of the solution to climate change, whereas abandoned ancient farms like the one picture below may be part of the solution:

Could Abandoned Agricultural Lands Help Save the Planet?

Agriculture’s global footprint is decreasing — more land globally is now being abandoned by farming than converted to it. This, some researchers contend, presents an opportunity for ecological restoration that could help fight climate change and stem the loss of biodiversity.

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The town of Castro Laboreiro, Portugal, where former grazing lands have reverted to nature. ANTONIO LOMBA/FLICKR

People have lived in Castro Laboreiro, where northern Portugal borders Spain, long enough to have built megaliths in the mountainous countryside and a pre-Romanesque church, from 1,100 years ago, in the village itself. But the old rural population has dwindled away, leaving behind mostly elders yearning for their vanishing culture. Continue reading →

Wildlife Conservation Society and Nyungwe

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A view from inside Nyungwe National Park

When I came into the master of environmental management program at Yale FES, the Wildlife Conservation Society (WCS) wasn’t really on my radar as a big international conservation NGO — other names like the World Wildlife Fund, The Nature Conservancy, Conservation International, or Flora and Fauna International came to mind first. As I started to learn about the biodiversity hotspot of East Africa’s Albertine Rift, however, WCS programs and technical reports started to come up more and more, and the professional experience shared by my professors Amy and Bill in their class (Building a Conservation Toolkit: From Project Design to Evaluation) led to many discussions about their work with WCS.

As part of the Rwanda Study Tour, we met with WCS employees in Kigali and two towns neighboring Nyungwe National Park called Gisakura and Kitabi. These Rwandans, some of whom had been with the NGO for over fifteen years, told us about the conservation efforts carried out by WCS in the region, much of which revolves around capacity building, scientific monitoring, and community education and engagement. For example, since the nineties WCS has been recording phenological data from native trees and vegetation in Nyungwe, which can be a valuable reference for seasonal variations in plants affected by climate change. WCS has also trained park rangers on different data collection methods that have improved monitoring systems in the park to document cases of poaching efforts such as wire snares, which are still a major threat to the small forest antelopes that live in Nyungwe.

Continue reading →

Bird Habitat One Yard At A Time

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Photo: Illustration: Marina Muun

Sometimes the planning is as fulfilling as the outcome. Thanks to Janet Marinelli and Audubon Magazine:

Plant Trees that Turn Your Yard Into a Bird Oasis—and Carbon Sponge

Trees create habitat and store CO2 for decades to come. Just be sure to pick carefully.

One of the best ways to combat climate change is to fill your garden with as many trees, shrubs, and other plants as possible. Whether a tiny orchid or towering oak, all plants have the amazing ability to remove carbon dioxide from the atmosphere during photosynthesis and store it in their wood, shoots, and roots.

Because they’re the giants of the plant kingdom, trees are also powerhouses of carbon storage. In one year, a mature tree can absorb 48 pounds of CO2—about the amount emitted by driving 150 miles in a hybrid plug-in car. Collectively, according to the U.S. Forest Service, trees offset 10 to 20 percent of U.S. emissions from burning fossil fuels each year. The carbon benefits really begin to add up when you consider that trees fight global warming in other ways. For example, carefully placed trees can reduce the energy required to heat and cool a home by 25 percent (see tips here on how to place trees). Because they cool the air by casting shade and releasing water vapor when they breathe, trees also alleviate one of the most underestimated health threats of climate change—heat waves.  Continue reading →

Mass Timber & Metrics Of Ecology

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Mjösa Tower, the world’s tallest wooden building, under construction in Brumunddal, Norway. ANTI HAMAR

Thanks to Yale e360 and especially to Jim Robbins, as always, for keeping us up to date on the most interesting new developments in our natural world and its built spaces:

As Mass Timber Takes Off, How Green Is This New Building Material?

Mass timber construction is on the rise, with advocates saying it could revolutionize the building industry and be part of a climate change solution. But some are questioning whether the logging and manufacturing required to produce the new material outweigh any benefits.

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Carbon 12 in Portland, Oregon is the tallest building in the United States made with mass timber. COURTESY OF KAISER + PATH
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The eight-story Carbon 12 building in Portland, Oregon is the tallest commercial structure in the United States to be built from something called mass timber.

If the many fervent boosters of this new construction material are right, however, it is only one of the first mass timber buildings among many, the beginning of a construction revolution. “The design community in Portland is enthralled with the material,” said Emily Dawson, an architect at Kaiser + Path, the locally-based firm that designed Carbon 12.

The move to mass timber is even farther along in Europe. That’s because mass timber – large structural panels, posts, and beams glued under pressure or nailed together in layers, with the wood’s grain stacked perpendicular for extra strength – is not only prized as an innovative building material, superior to concrete and steel in many ways, it is also hoped it will come into its own as a significant part of a climate change solution. Continue reading →

In Case Of Emergency, Plant Trees

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Fox Maple Woods in Wisconsin. JOSHUA MAYER / FLICKR

Emergency? The evidence is clear in the case of the environment, and it is a global emergency with a global solution. Thanks to Yale e360 for this summary of a new finding:

Planting 1.2 Trillion Trees Could Cancel Out a Decade of CO2 Emissions, Scientists Find

There is enough room in the world’s existing parks, forests, and abandoned land to plant 1.2 trillion additional trees, which would have the CO2 storage capacity to cancel out a decade of carbon dioxide emissions, according to a new analysis by ecologist Thomas Crowther and colleagues at ETH Zurich, a Swiss university. Continue reading →

I’d Like To Spend Some Time In Mozambique

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Wild dogs, apex predators missing from Gorongosa National Park for decades, have been reintroduced and are slowly making a comeback, part of an ongoing experiment in reviving the park ecosystem after years of devastating war. Credit Brett Kuxhausen/Gorongosa Media, via Associated Press

Thanks to one of our favorite science writers, the ever-optimistic Natalie Angier, for this note of hope:

In Mozambique, a Living Laboratory for Nature’s Renewal

At Gorongosa National Park, scarred by civil war, scientists are answering fundamental questions about ecology and evolution, and how wildlife recovers from devastation.

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Baboons and sharptooth catfish in the Mussicadzi River in the park during the dry season. The baboons in Gorongosa are brazen and plentiful, as there aren’t many leopards to keep them in check. Credit Piotr Naskrecki & Jen Guyton/NPL/Minden Pictures

GORONGOSA NATIONAL PARK, MOZAMBIQUE — The 14 African wild dogs were ravenous, dashing back and forth along the fence of their open-air enclosure, or boma, bouncing madly on their pogo-stick legs, tweet-yipping their distinctive wild-dog calls, and wagging their bushy, white-tipped tails like contestants on a game show desperate to be seen.

Since arriving at the park three months earlier, as they acclimated to their new setting and forged the sort of immiscible bonds that make Lycaon pictus one of the most social mammals in the world, the dogs had grown accustomed to a daily delivery of a freshly killed antelope to feast on. Continue reading →