trees

Trees Are Always Welcome In Our Pages

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The notion that clear-cutting can be counteracted by the planting of trees is a political product of the timber industry.Photograph © Robert Adams / Fraenkel Gallery

Jill Lepore gives us a 30-minute read on a topic we have linked to more times than any topic other than birds:

What We Owe Our Trees

Forests fed us, housed us, and made our way of life possible. But they can’t save us if we can’t save them.

The woods I know best, love best, are made of Northern hardwoods, sugar maple and white ash, timber-tall; black and yellow birch, tiger-skinned; seedlings and saplings of blighted beech and striped maple creeping up, knock-kneed, from a forest floor of princess pine and Christmas fern, shag-rugged. White-tailed deer dart through softwood stands of pine and hemlock, bucks and does, the last leaping fawn, leaving tracks that look like tiny human lungs, trails that people can only ever see in the snow, even though, long after snowmelt, dogs can smell them, tracking, snuffling, shuddering with the thrill of the hunt and noshing on deer scat for dog treats. Continue reading →

Infinity Trees

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The trees, according to the ecologist Constance Millar, give you a “sense of infinity.” Photo by Adam Perez

We know that getting to a trillion trees is a stretch, but we might be able to sense infinity from a certain species of tree, according to Soumya Karlamangla in the New York Times article we link to here. Photos by Adam Perez help alot.

Bristlecone pines can live and reproduce even with only one branch of needles. Photo by Adam Perez

Historically I have worked to find my personal sense of infinity deep within tropical forests, but reading this and seeing the photos of these trees in a totally different type of ecysystem I can be convinced that it is elsewhere also:

In California, Where Trees Are King, One Hardy Pine Has Survived for 4,800 Years

In a harsh alpine desert, the Great Basin bristlecone pines abide amid climate change. Among them is the oldest tree on Earth (if you can find it).

Great Basin bristlecone pine trees endure in harsh conditions that other vegetation cannot withstand. Photo by Adam Perez

BISHOP, Calif. — Before the Egyptians built the Pyramids, before Jesus Christ was born, before the Roman Empire formed or collapsed, the trees were here.

Ten thousand feet up in the White Mountains of central California, in a harsh alpine desert where little else survives, groves of gnarled, majestic Great Basin bristlecone pines endure, some for nearly 5,000 years. Their multicolor trunks bend at gravity-defying angles, and their bare branches jut toward the sky, as if plucked from the imaginations of Tim Burton or J.K. Rowling.

These ancient organisms, generally considered the oldest trees on Earth, seem to have escaped the stringent laws of nature. Continue reading →

Tree Core Samples & Age Estimations

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Tree cores Harvard Forest

Core samples may hold clues to a forest’s response to climate change. Photos by Stephanie Mitchell/Harvard Staff Photographer

Juan Siliezar, staff writer for the Harvard Gazette asks and answers a question that we never tire of:

Want to know how cold it was in 1490? Ask a tree

Harvard Forest Senior Ecologist Neil Pederso

“We use tree cores to extract what I’ve been leaning toward calling the memory of the tree,” said Neil Pederson in the lab alongside core samples.

Sometimes getting to where you want to go is a matter of finding the right guide.

Four teams of researchers, led by Harvard Forest ecologists, searched for a patch of ancient trees deep in the woods of western Pennsylvania this summer as part of a project to study how climate changes affected trees over the centuries. One of the scientists had come across them 40 years earlier, but they appeared to have vanished. Just as the group was about to give up and move on they came across someone who gave them a valuable clue. 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 →

Old Growth Forest Protection Schemes

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Caryssa Rouser, a propagation specialist with Archangel Ancient Tree Archive, plants a sequoia tree in October, 2021, in Sequoia Crest, California. Noah Berger/AP

Old growth forests matter for so many reasons. Not least, biophilic reasons. But at this moment, we rightly pay more attention to their value with regard to urgent climate issues. Maddie Oatman makes a good case in this Mother Jones essay:

Why Old-Growth Forests Matter So Much in the Fight Against Climate Change

Biden’s executive order to preserve ancient trees is a big deal—but it could have gone further.

Few experiences have rendered me as awestruck as the winter morning I spent wandering through a grove of ancient sequoias, their sienna bark glowing against the snowy ground. Continue reading →

The New Forestry In Germany

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KOENIGSHAIN, GERMANY – MAY 19: Aerial photograph of dead conifers in a mixed forest on May 19, 2020 in Koenigshain, Germany. Because of the last years of drought needleleaf forests are infested by bark beetles. Many trees are felled to stop spreading these beetles. (Photo by Florian Gaertner/Photothek via Getty Images)

Gabriel Popkin offers this overview of the history of, and the new German approach to forest management in his article titled FOREST FIGHT, in Science:

Forest researchers Pierre Ibisch (left) and Jeanette Blumröder check a data logger in a pine forest that burned in 2018 and is now being allowed to naturally regenerate. LENA MUCHA

Germany invented “scientific” forestry. But a huge dieback triggered by climate change has ignited a fierce debate over how the nation should manage its trees

SCHWENDA, GERMANY—Last summer, Friederike and Jörg von Beyme stood on a bramble-covered, Sun-blasted slope outside this small town in eastern Germany. Just 4 years ago, the hillside, part of a nearly 500-hectare forest the couple bought in 2002, was green and shady, covered in tall, neatly arranged Norway spruce trees the couple planned to cut and sell. Continue reading →

Juliet Eilperin’s Sprawling, Soaring Sitka Story

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The trunk of the Sitka spruce marked to be cut down.

The soaring, centuries-old Sitka spruce with its blue spray-paint blaze is spared, for now.

A story about a tree, its history intertwined with five centuries of human history, this article earns your time. And it earns respect for the Washington Post, which assigned a star reporter to oversee its climate change coverage.

Juliet Eilperin features this tree’s significance from multiple angles, and accompanied by the stunning photography and video of Salwan Georges, her words are leveraged artfully with images and dramatic arc into a question you want the answer to: This tree has stood here for 500 years. Will it be sold for $17,500? Definitely worth reading on a large monitor rather than a phone screen. It may get you thinking about graduate school:

The Tongass National Forest in Alaska.

TONGASS NATIONAL FOREST, Alaska — The Sitka spruce soaring more than 180 feet skyward has stood on this spot on Prince of Wales Island for centuries. While fierce winds have contorted the towering trunks of its neighbors, the spruce’s trunk is ramrod straight. Standing apart from the rest of the canopy, it ascends to the height of a 17-story building.

This tree’s erect bearing — a 1917 publication called the Sitka species “the autocrat of timbers” — is what helps give it such extraordinary commercial value. Musical instrument makers covet its fine grain, as do builders whose clients want old-growth wood that’s increasingly scarce. In a world whose ancient forests have largely disappeared, this grove holds a sliver of what remains. Continue reading →

More Trees Now

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A hazel sapling (Corylus avellana) in the ditches of the tree hub at Amsterdamse Bos. Photograph: Judith Jockel/The Guardian

The trillion trees concept, which inspires but has had its share of legitimate questions, has a scrappy cousin with a novel approach:

‘Every tree counts’: Dutch come up with cunning way to create forests for free

More Trees Now aims to give away 1m unwanted saplings to farmers and councils with hope idea will spread across Europ

Hanneke van Ormondt saves a sapling at the tree hub in Amsterdamse Bos, Amsterdam, the Netherlands. Photograph: Judith Jockel/The Guardian

In a clearing in the Amsterdamse Bos, a forest on the outskirts of the Dutch capital, is a “tree hub” where hundreds of saplings, among them hazelnut, sweet cherry, field maple, beech, chestnut and ash, are organised by type.

The idea behind it is simple: every day unwanted tree saplings were being cleared and thrown away when those young trees could be carefully collected and transplanted to where they are wanted. Continue reading →

Restor & Correcting The Trillion Tree Mess

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Crowther says Restor is his ‘life’s vision’, mapping the latest data and thousands of conservation projects. Photograph: Courtesy of Restor

I have been on a tree-planting spree in the last couple years. So I am constantly on the lookout for resources that help me see this work in a larger context. Here is a great one I have just learned about. Restor’s macro-level organizing of conservation through geographic information systems requires skills and ambitions that few have in such capacity as the scientist featured in the following story. Maps like the one shown above are less inspirational, but more powerful in other ways, than scenes of effective restoration like the one below.

The former A3 London to Portsmouth road at Hindhead, after being restored back to heathland. Photograph: Tony Watson/Alamy

T. W. Crowther has featured in our pages for years, starting with our link to his work on how many trees are on our planet and what this implies with regard to climate. We lunged forward to share the idea that planting a trillion trees was the key implication, and also lurched back a bit when it seemed worthy of more consideration. This article does much to clear up “the mess” that Mr. Crowther acknowledges resulted from the trillion tree findings, and which I was captivated by:

‘I’ve never said we should plant a trillion trees’: what ecopreneur Thomas Crowther did next

Thomas Crowther understands more than most the danger of simple, optimistic messages about combating the climate crisis. Continue reading →

A Way To Garden

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20 years after planting, this palm has reached for the sun, and found it.

When we completed construction on our home late in the year 2000, we had a small palm tree in a planter on our terrace. It was perhaps two feet tall at the time. Sometime in 2001 we planted that palm to the side of the house, and ever since it has been reaching for the sun. The opening sentence in the article below, combined with the photo from the same article that I have inserted with it, struck a chord. We need to think about this tree’s future in a way we did not when choosing where to plant it 20 years ago. My thanks to Margaret Roach– who wrote the article and is the creator of the website and podcast A Way to Garden, and a book of the same name–for this:

Questions About Tree Care? You’re Not Alone.

Many people find trees a little enigmatic. But there is help for the asking. (And it’s free.)

Younger, container-grown trees will settle in and start growing faster than field-dug specimens that may take three to five years to reestablish root systems and resume growth. The Morton Arboretum

The biggest plants in our gardens often get the smallest share of our attention. And it’s not because trees don’t need or want attention — or because we intend to neglect them.

Maybe it’s because they look so strong, holding most of their foliage overhead and not making their needs known near ground level, where we are busy paying attention to everyone else. Or maybe we just don’t have much tree-care confidence.

At The Morton Arboretum in Lisle, Ill., Julie Janoski and her Plant Clinic colleagues respond to gardeners’ and green-industry professionals’ questions — about 17,000 a year. And many of those questions are about trees. Continue reading →

Canopy Equity

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The number of urban trees is shrinking due to storms, construction and insects: at the moment, the US is facing a projected loss of 8.3% in urban tree cover by 2060. Photograph: Mary Altaffer/AP

Regardless of the viability of tree-planting as a solution to climate change, the need for more trees in some locations is overwhelming:

US needs 30m new trees to combat shade disparity, study finds

First ever nationwide tally of trees reveals how communities of color and poorer neighborhoods lack canopy

With vast swathes of the American west baking under a record-setting heatwave, a new study has revealed how unevenly trees are spread throughout cities in the United States and how much it disadvantages communities of color and the poor. 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 →

Felling Forests, Featured Frankly

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The remnants of an old-growth forest in northern Sweden. Forest biologist Sebastian Kirppu counted over 100 trees more than 150 years old in these piles. Photograph: Marcus Westberg

The Guardian features this gallery of photos with commentary, by Marcus Westberg, to raise awareness; click any image to see the entire collection:

Each year, about 1% of Sweden’s forest is cut down, according to the trade association Swedish Forest Industries, mainly in the northern half of the country. Since 2000, Sweden has lost more than 48,000 sq km (19,000 sq miles) of tree cover, not accounting for replanting, or 17% since 2000, according to Global Forest Watch. It is an area greater than Denmark

‘Forests are not renewable’: the felling of Sweden’s ancient trees

Forests cover 70% of the country, but many argue the Swedish model of replacing old-growth forests with monoculture plantations is bad for biodiversity.

The remains of an old-growth forest are silhouetted against the aurora borealis in Pajala municipality, in Sweden’s northernmost county of Norrbotten

Dry Season Here; Massive Tree-Planting There

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We got as many trees in the ground as we could during 2020, and since it has been dry season for a couple months now we are mostly in maintenance mode. The most pleasure to be had during these months is seeing how the wildlife on our small plot of land changes. For example, the creature above, which I saw yesterday. I believe it is a Drab Tree Frog, but if you have a different opinion please let me know. Tomorrow we begin coffee germination, take two–and I will post on that. Meanwhile, thanks to the Guardian’s coverage of the environment, we have this news:

Volunteers helping on project for Woodland Trust, which sent out a million trees last year. Photograph: Philip Formby/PA

Digging in: a million trees planted as villages and schools join climate battle

Community forest projects have seen a surge in volunteers keen to reduce CO2 emissions by creating new woodlands

According to the Horticultural Trades Association, garden centre sales of hardy plants, shrubs and trees have soared. Photograph: Alamy

The UK may be in the grip of a winter lockdown but in one village on the edge of the Yorkshire Dales the local climate-change group has been busy.

Plans are afoot to plant hundreds of trees on land surrounding Newton-le-Willows, in lower Wensleydale, in an effort to tackle the climate crisis. According to scientists, planting billions of trees across the world is one of the biggest and cheapest ways of taking CO2 out of the atmosphere. Continue reading →

Rewilding Britain With Natural Regeneration

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Rewilding Britatin has published a report on the value of allowing trees to naturally disperse seeds as a mechanism for rewilding:

13%OF BRITAIN HAS TREE COVER

compared to 40% of the EU area and 46% of Europe as a whole

When we talk about expanding woodland and tree cover, sometimes we jump on tree planting as the solution. It certainly has a role to play, but nature is an old hand at planting trees and usually does it better.

Letting nature expand woodlands naturally: Continue reading →

Does Planting A Trillion Trees Sound Implausible?

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A nursery manager plants a whitebark pine at Glacier National Park in Montana in September 2019, part of an effort to restore vegetation following a wildfire. (Chip Somodevilla/Getty Images)

Here in Iota-drenched Costa Rica there is damage from this hurricane and from the one that just ended a week earlier, but it is minuscule compared to what Nicaragua and Honduras have sustained. If you are scientifically inclined, then two complementary ideas are easy to digest: 1) the people suffering most from the effects of climate change are among the least responsible for causing it; and 2) they live in places that may be best-suited for mitigating it.  For our part, planting trees when coffee is purchased is a drop in the ocean of need. A story we missed from a few months ago gives some hope that this particular idea has a future:

Two-Thirds of Americans Think Government Should Do More on Climate

Bipartisan backing for carbon capture tax credits, extensive tree-planting efforts

A majority of Americans continue to say they see the effects of climate change in their own communities and believe that the federal government falls short in its efforts to reduce the impacts of climate change.

At a time when partisanship colors most views of policy, broad majorities of the public – including more than half of Republicans and overwhelming shares of Democrats – say they would favor a range of initiatives to reduce the impacts of climate change, including large-scale tree planting efforts, tax credits for businesses that capture carbon emissions and tougher fuel efficiency standards for vehicles, according to a new Pew Research Center survey. Continue reading →

Arborists & Urban Futures

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Xuebing Du

An article by Clive Thompson we linked to in 2016 makes me wonder why today is the first time we are sharing his work since then. I remember reading a review of his book last year but did not see a fit with the themes we tend to focus on here. Urban trees,  for one example, feature in our pages frequently. And trees more broadly speaking have probably been featured more than any other topic due to our mission. So our appreciation to the Atlantic for publishing this, and an added thanks for the excellent photographic accompaniments:

Trees Are Time Machines

Arborists are planting trees today that must survive decades of global warming. The health, comfort, and happiness of city dwellers hang in the balance.

City trees lead difficult lives. A lot of things are trying to kill them, particularly the trees planted on sidewalks: Tightly compacted soil with high alkaline content makes it harder for them to absorb nutrients. Tiny plots of land admit very little rainwater. They’ve got dogs peeing on them, people dropping cigarette butts nearby, and cars belching pollution.

Xuebing Du

“We’re talking about trees that are very vulnerable,” says Navé Strauss, the head of street-tree planting for New York City. His team manages the planting of new trees on streets and public rights of way; there are more than 666,000 street trees in the city, and the team plants about 16,000 new ones annually. For decades, New York arborists have tended to prefer “tough,” hardy species that thrive well against adversity—such as the London planetree, which sports grayish bark and big, maple-like leaves that offer sidewalks tons of shade.

But lately, Strauss has been looking for trees that can handle an even tougher challenge: climate change.

Xuebing Du

In the past century, the United States has heated up as much as 1.9 degrees Fahrenheit. Continue reading →

Cambium Carbon’s Reforestation Hubs

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When we started this platform for sharing news and experiences related to innovative approaches to conservation, Seth was in Nicaragua and wrote multiple posts on Simplemente Madera  It is odd not to find a more recent post about their One Tree initiative because in early 2019 while sourcing for Authentica we sought out products that supported tree-planting. Today I am reminded of all that from a link I followed to Cambium Carbon in this story:

Courtesy of Cambium Carbon. Cambium Carbon aims to turn cut or fallen urban trees into wood products that can be sold to fund tree-planting efforts. Currently, most trees removed from cities are either chipped for low-grade application or hauled to a landfill at a significant cost.

Reforestation Hubs, ‘Coming Soon’ to a City Near You

Cambium Carbon, an initiative founded by YSE students to combat climate change and revitalize urban communities by reimagining the urban tree lifecycle, has earned a $200,000 Natural Climate Solution Accelerator Grant from The Nature Conservancy, in partnership with The Arbor Day Foundation. Continue reading →

Acacia Trees & Anti-Desertification

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Credit: Getty

Thanks to the BBC for this:

The ancient trade holding back the Sahara Desert

For millennia, the gum of the acacia tree has been prized for its unusual culinary and medical uses. Now, the trees are part of a continent-wide effort to hold back the Sahara Desert.

In the Malian bush, a scattering of acacia trees grow through the wild grass and shrubs that spread for miles across the semi-arid scrub. Herders graze cattle nearby and local people fetch firewood. The acacias are among the taller and faster-growing trees of this habitat, with old individuals reaching high above the surrounding scrub.

Gum arabic spills out naturally from wounds in the acacia tree, but it can also be extracted by making deliberate incisions into the bark (Credit: Reuters)

This is the Sahel, a savannah that stretches across six countries in mainland West Africa. This dry strip of land between the tropical rainforests to the south, and the Sahara to the north, sees just three months of rain a year. It’s a region that is changing quickly. Climate change has seen the Sahara Desert grow around 100km (62 miles) southward since 1950, and is expected to continue the same trend in the coming decades. Continue reading →

Forests & Human Intervention

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The Tuppers Lake area in western Montana.

The Tuppers Lake area in western Montana. STEVEN GNAM

Even as we may feel overdosed on news about forest fires, understanding what to do next is important. Thanks to Fred Pearce and Yale e360 for sharing relevant science:

Natural Debate: Do Forests Grow Better With Our Help or Without?

Nations around the world are pledging to plant billions of trees to grow new forests. But a new study shows that the potential for natural forest regrowth to absorb carbon from the atmosphere and fight climate change is far greater than has previously been estimated.

When Susan Cook-Patton was doing a post-doc in forest restoration at the Smithsonian Environmental Research Center in Maryland seven years ago, she says she helped plant 20,000 trees along Chesapeake Bay. It was a salutary lesson. “The ones that grew best were mostly ones we didn’t plant,” she remembers. “They just grew naturally on the ground we had set aside for planting. Lots popped up all around. It was a good reminder that nature knows what it is doing.” Continue reading →