The Hidden Life of Trees: What They Feel, How They Communicate: Discoveries From a Secret World

by Peter Wohlleben

Hardcover, 2016




Vancouver ; Berkeley : Greystone Books, [2016]


Are trees social beings? Forester and author Peter Wohlleben makes the case that, yes, the forest is a social network. He draws on groundbreaking scientific discoveries to describe how trees are like human families: tree parents live together with their children, communicate with them, support them as they grow, share nutrients with those who are sick or struggling, and even warn each other of impending dangers. Wohlleben also shares his deep love of woods and forests, explaining the amazing processes of life, death, and regeneration he has observed in his woodland.

Media reviews

New Scientist
Wohlleben's anecdotes are engaging, but sadly his book contains only a few.

User reviews

LibraryThing member southernbooklady
I had actually been avoiding this because I was leery of what looked like its blatant, unapologetic anthropomorphism. Its "woo woo" feel. The author describes forests as communities, trees as having friendships, personalities, parenting skills. He talks about the way they hear, feel, touch, talk. Even love. Really, it's enough to drive a person nuts. it turns out, Wohlleben takes this approach deliberately, in order to make his readers do one very specific thing -- let go of the instinctive hierarchy we all implicitly assume exists between the plant and animal kingdoms. And between humans, and all the rest of life on earth. So when he discusses the difference between a solitary tree planted in a park setting that rarely lives up to its potential girth or age and the tree in a forest setting surrounded by many others of the same species which lives longer and grows stronger, as the difference between being raised on the streets and being raised in a good stable family -- he's not exactly imposing human centric concepts on an oak tree. He's really trying to get the reader to view the plant world -- the tree world -- as something dynamic, sensitive and responsive to its own environment, participatory and engaged in that environment. And that is something that is surely true, even if the language of intention he often falls into makes me squirm.

But then, people tend to regard themselves as apart from the ecosystem. They are, one might say, unempathetic, blind and deaf to the pulse of other kinds of life. So they do not consider it a moral problem to, say, cut down a tree, because in a human's mind, they are not "hurting" anything. Wohlleben's book is basically an extended explanation and description of how someone hurts a tree-- and the forest -- by cutting it down. In the world of trees, the book would probably come with warning labels for graphic violence.

But it is all science -- all a detailed account of how a wounded tree attempts to heal itself, what happens if it can't, what happens when opportunistic species -- fungi, bugs, critters, (people!), exploit a weakness. And the science, it has to be said, is absolutely fascinating. Do you know, I never realized that the circulatory system of trees which brings water up and down the trunk -- explained to me in grade school as "osmosis and capillary action" -- is not understood? That neither osmosis nor capillary action can account for the amount of water that has to be pushed up sometimes hundreds of feet, gallons at a time. And in fact we just don't know how trees do it.

Wohlleben packs a lot of truly very cool scientific research into what is really a quick and very readable book, and if he is sometimes a little too speculative on what all that research is telling us, nevertheless he succeeds in what he set out to do: convince the reader that if we want to understand and be awake to the rhythms of life around us, then distinctions between plant and animal are arbitrary and not particularly useful.
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LibraryThing member elenchus
Wohlleben's collection is eminently readable: an essay typically runs six octavo pages; focuses on a central concept with multiple and specific (often personal) examples; and deploys a conversational style without (at least for me) patronising. While the result is a collection of interrelated pieces, they don't build into a linear argument so much as assemble a mosaic.

It's readable, then, but difficult to summarize efficiently. In effect, Wohlleben's already done that work, presenting a condensed version of recent research, and his spare footnotes demonstrate there's a lot more behind it.

The beauty of the book is its showcase of startling concepts, which after parading by suggest a new view of the world around us. This glimpse isn't entirely new, it evokes that old metaphor of a living world long relegated to fabulism or myth, or children's fable, and Wohlleben seems to gently shake the reader, "No, it really is that way, see for yourself".


● The "wood wide web", the forest network of tree roots & fungi linking individual trees into community
(analogous to the interstitium, connected to human lymphatic system, now considered a major organ)
● Individual trees exhibit behavior analogous to: communicating threats through scents & electrical impulses,
activating defenses keyed to attacking species,
sharing water & nutrients with neighbouring trees,
providing deferential treatment to related trees
● Trees in isolation (street kids) behave differently than those in community (forest)
● Forests generate & maintain their own microclimates
● Forests are terrestrial water pumps; coastal forests play an especially important role for all inland climates
● Trees hibernate in winter; individual trees (of the same species, in the same location) will choose idiosyncratic timing for
budding out,
leaf drop,
moving water from branches to roots in Autumn, from roots to branches in Spring
● When breaking into water pipes and cisterns, city tree roots more often seeking loose soil than moisture;
the compacted earth is a barrier to establishing a proper root system
● Science cannot account for the volume of water moved in adult tree trunks:
capillary action, transpiration, osmosis explain but a fraction of water moved
especially in Spring or Autumn
● Electrical impulses similar to that of human bioelectricity, but much slower
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LibraryThing member StephenBarkley
In the woods just north of the house I grew up in lived a massive hemlock, about ten feet off the main trail. During winter the snow would pin its lower branches to the ground. If you tucked the collar of your coat up under your toque, you could sneak through the branches without getting too much snow down your back. Once inside those perimeter branches, you entered a different world. The frigid wind and cold was gone and the snow that made walking so difficult was less than an inch thick. Every time I walked that trail in the winter, I made sure to pause underneath that hemlock.

Trees have always fascinated me which is why I was quick to pick up German forester Peter Wohlleben's book. The Hidden Life of Trees is interesting reading. Did you know that trees can feed nutrients to the stumps of their fallen comrades, keeping the stump alive for centuries? Did you know that trees communicate with each other, warning their neighbours of pests?

Wohlleben convincing demonstrates that trees are far more complex organisms than we have understood. A fully functioning forest—forests that take five centuries to develop—are perfectly balanced examples of biodiversity.

Unfortunately, Wohlleben's fascinating information and observations about the forests are mixed with overly anthropomorphic ideas. You get the impression that Wohlleben has spent a little too much time in the woods alone! The Hidden Life of Trees walks the fine line between research and romanticisation, falling too often into the latter.
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LibraryThing member LynnB
I learned a lot from this book, so on balance, I'm glad I read it. My criticism is that the author seemed to be unable to decide whether he was writing for a well-informed audience or for people like me with little knowledge of botany. This lead to a mix of scientific facts (with little supporting evidence) and chatty personification, which I found irritating. If you were to make a movie from this book, you could choose to make a documentary or an animated story. I would have preferred a more straightforward approach to the science -- leaving the personification to a concluding chapter. Yes, leave the personification in; it prods us to discard the hierarchy of people above animals above plants that we tend to fall into.… (more)
LibraryThing member Stbalbach
The Hidden Life of Trees is a fantastic little big book. It's little in length but big on new perspective and ideas. Originally published in German, Peter Wohlleben is an ex-forestry manager who decided to look beyond the typical knowledge of trees. He is a lifetime close observer who sees trees as a form of animal with memory, sensory input, paternal instincts. His basis is recent science.The other great thing is Wohlleben projects a sense of mystery about trees, he's like a Gandalf character speaking about the Ents, but always remaining grounded in the facts. Great stuff and great book.… (more)
LibraryThing member PDCRead
Copses and wood seem static places, only changing as the seasons ebb and flow. The forests of Europe and the UK have inspired writers, built towns and fleets and provide food warmth and shelter for millennia. But all is not as it seems in this wooded world, as Wohlleben details in his book with the latest research and understanding of just how a tree is created, grows and dies. The science behind these ground-breaking new discoveries is revealing a secret world of communication, nurture and microclimates. The environment that they create from the roots to the tips of the crown is carefully controlled, they shelter young trees from fierce summer sun, pass nutrients through the fungal webs in the ground and protect each other from the battering in winter storms. There is details on how they manage to pump gallons of water high into the air; something that is not fully understood yet and how they react to when you hack a branch off. No wonder they can live five times longer than us.

He is deeply passionate about woods and forests, something that is evident from the very first chapter. The science that he reveals is almost unbelievable really, but it is backed up with solid evidence and examples; but there is still so much that we do not know or understand. As he has come to understand the deep complexity of these individual trees, and the forest as a whole, he has changed from being a logger to a forest ambassador and arguing that maintaining and enjoying the forests in a sustainable way is the best for us and the forests. Forests add so much to our health and our lives, and more importantly the well-being of our planet and this philosophy is as beneficial to us as it is to the management of the forests. This is a well written call to learn to love our wooded areas once again.
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LibraryThing member tonysomerset
A well structured and easy read through a series of revelations after revelations of how trees interact with the space they occupy and with each other. Just managing to mostly side-stepping overt anthropomorphism. Once read you will never ever look at trees in the same light again. They will no longer be just a tree. The underlying theme that comes out so strongly is 'interconnectedness' of not just Nature in a broad brush sense but at every level down to the smallest cell, co-operating reacting or defending against other cells and back up to the big organism, plants, animals, man, trees, weather systems and the climate we all depend. All is connected. It is just that with trees the timescale is beyond our ready comprehension. their timescale is measured in our generations.

It is an easy read inviting you to glide along effortlessly as you are led deep and deeper into the marvels that are trees. This is then perhaps its weakness, to keep it easy reading it is light on the scientific support for claims that some might find startling,erring on the absurd. Do trees really talk to each other? The scientific justification is hinted at but with insufficient detail to be able to critic the soundness of the studies referred to. So a highly speculative romanticised look at trees or a well researched look combing all the latest evolving knowledge. Your choice, but I challenge you to walk past another tree and just dismiss it as a tree.
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LibraryThing member starbox
I read this at a chapter a day for 36 days and learnt so much! This is written for the total layman, though the sheer quantity of info means it needs digersting slowly.
Having largely regarded trees as big, stationary objects ("can they FEEL?") ...I now see them as much more. They can HELP each other, providing transfusions of nutrients from the robust to the sickly. They can COMMUNICATE - one tree being preyed on can alert others, so by the time the creature has moved on, they have added some nasty-tasting chemical to their leaves. Having always assured the granddaughter that they slurp up water through roots like a straw- Wohlleben asks the very valid question "aqnd what propels it up to the top of a gisant sequoia?" ...and admits we dont fully know.
The author- a forestry manager- considers all kinds of questions- the dangers (and benefits) of bugs, fungus; the difference between ancient woodlands and recent plantations; how species adapt to changes in climate...
Very very interesting and I've bought his other works to further inform myself...we sure do live in an amazing world!
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LibraryThing member RandyMetcalfe
Trees talk. Their conversations may not amount to much more than, “Yikes, pests!” or “Sure is cold!” but this amounts to loquaciousness in life-forms we used to treat as insensate. Moreover, at least in a forest, trees act communally. They sometimes share resources. They nurture their young. They work together to fend off infestations. All within the broader context of the competition of all against all. There’s a lot going on in the forest, if you can see it amongst all those trees.

Peter Wohlleben is a forest custodian in Germany. He draws on years of experience tending both planted and old-growth forests. He also makes reference to the latest scientific research in extensive notes. His observations of arboreal behaviour, though they may at first sound remarkable, have very solid foundations. If his language in describing these behaviours strays into pathetic fallacy — attributing human intentions and emotions to non-human objects, animals, or, in this case, flora — that may be both understandable and deliberate. For he does have an agenda, though not a particularly hidden one. He is making a case for the unimpeded development of large swaths of old-growth forest. Unimpeded by harvesters and the incessant tidiers who mistakenly wish to remove dead trees rather than let them decay naturally, providing homes to thousands of species as they transition back into humus to feed future generations of trees.

One of the things that comes across most strikingly here is the contrast in scale between humans and trees. Most of the trees that Wohlleben considers have natural life-spans of well over 400 years (some stretch to 1000 years or more). That makes almost anything that looks like a disaster in a human timeframe a mere inconvenience. Droughts, floods, global climate change, plagues of insects — trees have to simply weather them. And in most cases they do. Even evolutionary adaptation works differently when it may be as much as 700 years between generations. Trees need a different approach to adaptation than fruit flies, and apparently they have one.

The writing here is fresh and accessible. It is never burdened by the science (references are relegated to endnotes for the curious). And since Wohlleben is often referring to his direct experience in the forests that he manages, his observations come across as heartfelt and genuine. He is someone who actually cares about the trees in his care.

You will walk through your local forest with a renewed appreciation after reading this book.

Gently recommended.
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LibraryThing member Othemts
Peter Wohlleben, a forester from Germany, writes a series of essays about trees - how they communicate, how they feel, how they handle the stress. If you've never thought that trees can do these things, you're in for a treat. Fungal networks in the roots allow individual trees to communicate with other trees in the forests. In fact, trees can even scream. They have to deal with the strains of storms breaking their limbs, animals chipping away their bark, and fungi invading their interior. If you like trees, or even just enjoy a nice walk in the wood, this book is a great guide to the hidden world of what is going on around you.

Favorite Passages:
"most individual trees of the same species growing in the same stand are connected to each other through their root systems. It appears that nutrient exchange and helping neighbors in times of need is the rule, and this leads to the conclusion that forests are superorganisms with interconnections much like ant colonies."

"They love nutrient-rich, loose, crumbly soil that is well aerated to a depth of many feet. The ground should be nice and moist, especially in summer. But it shouldn’t get too hot, and in winter, it shouldn’t freeze too much. Snowfall should be moderate but sufficient that when the snow melts, it gives the soil a good soaking. Fall storms should be moderated by sheltering hills or mountain ridges, and the forest shouldn’t harbor too many fungi or insects that attack bark or wood. If trees could dream of an earthly paradise, this is what it would look like. But apart from a few small pockets, these ideal conditions are nowhere to be found. And that is a good thing for species diversity."

"Today’s deposits of these fossil fuels come from trees that died about 300 million years ago. They looked a bit different—more like 100-foot-tall ferns or horsetail—but with trunk diameters of about 6 feet, they rivaled today’s species in size. Most trees grew in swamps, and when they died of old age, their trunks splashed down into stagnant water, where they hardly rotted at all. Over the course of thousands of years, they turned into thick layers of peat that were then overlain with rocky debris, and pressure gradually turned the peat to coal. Thus, large conventional power plants today are burning fossil forests. Wouldn’t it be beautiful and meaningful if we allowed our trees to follow in the footsteps of their ancestors by giving them the opportunity to recapture at least some of the carbon dioxide released by power plants and store it in the ground once again?"

"Wood fibers conduct sound particularly well, which is why they are used to make musical instruments such as violins and guitars. You can do a simple experiment to test for yourself how well these acoustics work. Put your ear up against the narrow end of a long trunk lying on the forest floor and ask another person at the thicker end to carefully make a small knocking or scratching sound with a pebble. On a still day, you can hear the sound through the trunk incredibly clearly, even if you lift your head. Birds use this property of wood as an alarm system for their nesting cavities."

"Every trunk is different. Each has its own pattern of woody fibers, a testament to its unique history. This means that, after the first gust—which bends all the trees in the same direction at the same time—each tree springs back at a different speed. And usually it is the subsequent gusts that do a tree in, because they catch the tree while it’s still severely bowed and bend it over again, even farther this time. But in an intact forest, every tree gets help. As the crowns swing back up, they hit each other, because each of them is straightening up at its own pace. While some are still moving backwards, others are already swinging forward again. The result is a gentle impact, which slows both trees down. By the time the next gust of wind comes along, the trees have almost stopped moving altogether and the struggle begins all over again."

"Chlorophyll helps leaves process light. If trees processed light super-efficiently, there would be hardly any left over—and the forest would then look as dark during the day as it does at night. Chlorophyll, however, has one disadvantage. It has a so-called green gap, and because it cannot use this part of the color spectrum, it has to reflect it back unused. This weak spot means that we can see this photosynthetic leftover, and that’s why almost all plants look deep green to us. What we are really seeing is waste light, the rejected part that trees cannot use. Beautiful for us; useless for the trees. Nature that we find pleasing because it reflects trash?"

"I, for one, welcome breaking down the moral barriers between animals and plants. When the capabilities of vegetative beings become known, and their emotional lives and needs are recognized, then the way we treat plants will gradually change, as well. Forests are not first and foremost lumber factories and warehouses for raw material, and only secondarily complex habitats for thousands of species, which is the way modern forestry currently treats them. Completely the opposite, in fact."
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LibraryThing member auntmarge64
One thing's for sure: I'll never look at trees and forests in the same way again. The variety of means trees use to communicate with one another and the lengths they go to nourish each other is stunning, and while there will be doubts about whether this is done in any deliberate sense, the same thing might be said by alien species watching us from afar. Individual trees can learn, plan, and cooperate with others of their own kind . Do they have memory, emotions, intelligence? How would that affect the divisions we have laid on the natural world: plant, animal, and the in-betweens? Trees live on such a different time scale than us that our species, with our short lives and even shorter attention spans, can barely comprehend the patterns of behavior they share among themselves and with fungi, animals, and other inhabitants of the forest and ground.

How do we define a tree? By the area of it above the ground or below, where up to half of its biomass is hidden? There is a case to be made for considering at least some aspen groves as one individual, as with Pando, a clonal colony of a single male quaking aspen determined to be a single living organism by identical genetic markers and assumed to have one massive underground root system. The plant occupies 106 acres, and its root system, at an estimated 80,000 years old, is among the oldest known living organisms (adapted from Wikipedia). How are we to put this into our own context?

Before blooming, deciduous agree among themselves. Should they go for it next spring, or would it be better to wait a year or two? "Trees in a forest prefer to bloom at the same time so that the genes of many individual trees can be well mixed...When a pollen grain lands on a stigma, its genes are activated and it grows a delicate tube down to the ovary in search of an egg. As it is doing this, the tree tests the genetic makeup of the pollen and, if it matches its own, blocks the tube."

Despite all the planning done for storing up energy, producing young, etc., if the normal order of things are disturbed by weather, insects, overgrowth by other species, logging, or a plethora of other events, action can be taken by either the tree or an interdependent organism. For instance, lack of nutrients might cause a fungi to release a toxin into the soil to kill off a different type of organism and therefore release nitrogen to fertilize both tree and fungi.

"There are more life forms in a handful of forest soil than there are people on the plant." A tree without a forest is unable to take advantage of the life that would make it its healthiest, and it is doomed to a short existence (by tree standards, if not our own).

And here's something I didn't know, even surrounded by deciduous trees: leaf colors in autumn indicate what nutrients are being withdrawn back into the tree to help it winter over and plan for the following spring. Oaks (which surround my house) make use of every little scrap, which is why the leaves are just a dull brown by the time they fall.

Wohlleben's writing is geared to the non-specialist, and he has a sense of humor, too. Includes a note section and an extensive index.
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LibraryThing member LaPhenix
What an incredible read! Wohlleben's book is absolutely brimming with enlightening details about the next of trees and forests. His experience raises so many questions about what we think we know about plants and nature in general. I'm eager to read what further research will reveal.
LibraryThing member Eyejaybee
Peter Wohlleben manages commercial forests in his native Germany, which has given him the opportunity to amass a lifetime of observations of trees at all stages of their life cycles. His sole has also given him access to a huge body of research papers from all around the world.

The premise of the book is extremely simple, yet remarkable in its impact. Naturally occurring forests (as opposed to those generated principally for commercial yield) are highly connected, delicate networks, in which individual trees actively collaborate with each other. He cites examples such as African acacia. These are particularly vulnerable to giraffes, which will eat the higher placed leaves. The tree can sense this happening and responds by releasing a hormone which is borne by the wind to neighbouring acacia trees. These neighbouring acacia plants will then release a bitter tasting toxin into their leaves, which will deter the giraffes. Of course, evolution being the wonder that it is, giraffes have developed ways of countering this, starting with one acacia and then moving upwind, so that the warning hormone will be of no avail.

Wohlleben produces a vast array of equally amazing examples of trees’ proactive engagement with their surroundings, and the manner in which individual trees will interact with fellows, both within and beyond their own species, for the greater good of the wider is down to such constructive collaboration that some of the great ancient forests have survived.

Knowing precious little about the biology of trees I found this book fascinating, although it was not without its petty annoyances. Wohlleben is clearly very knowledgeable on his subject, but seemed unsure whether he was writing for an equally well-informed audience or for people like myself who are largely ignorant of the technicalities of botany. This led to an irritating mix of the scientific with the patronisingly chatty, which I found simply irritating. I would have preferred a straightforward, technical account, without attempts at happyish humour with talk of tree love happening every year, or other syrupy attempts to make the book humorous. I was certainly left wondering whether all the critics whose encomia were splattered all over the cover had read the same book as me: this was an enjoyable and informative volume, but fell rather short of being ‘a paradigm-smashing chronicle of joyous entanglement’, as Charles Foster asserts!
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LibraryThing member Gwendydd
This has the potential to be an interesting book, but suffers from some major flaws.

I am usually annoyed by scientists' reluctance to anthropomorphize their subjects, but this guy takes it way too far. He takes anthropomorphism to an extreme when talking about trees, which not only makes him sound totally koo-koo, but also, I think, does a disservice to the variety and ingenuity of nature. By reducing trees to humans, he disregards how amazing it is that completely different organisms can behave in ways that seem so alike and yet are not.

Wohlleben's other annoying habit is that he is often talking about his own specific forest, but he makes it sound like he is talking about all trees in the world. He apparently lives in a part of the world where trees grow really slowly. I live in a part of the world where trees grow very fast. A lot of what he says about trees does not apply to trees in my part of the world.

If you're interested in the information in this book, I recommend that you read "What a Plant Knows" instead. That book is very scientific, and digs into the exact mechanisms by which trees and other plants communicate, feel, remember, and grow, and how we have discovered that plants do these things.
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LibraryThing member JaredOrlando

Peter Wohlleben has been working close to trees for most of his life, and is an excellent source for how trees speak. The Hidden Life is a treasure trove of anthropomorphic leanings, ones that make us look deeper at our world, and how we respond and live in it.… (more)
LibraryThing member 2wonderY
Fascinating! Some of what he writes is hard to believe. Can't quite tell if wishful thinking stretches the science. But his ecology of coastlands makes all kinds of sense. I hope people who can adopt these practices are listening.
LibraryThing member jefware
can trees feel? Can they think? A German naturalist will get you questioning everything you thought you knew about trees.
LibraryThing member SonoranDreamer
Trees are people, forests are community. This book is for anyone who loves green beings. Trees aren't so different than us.
LibraryThing member MeisterPfriem
You will never look at trees and woods with the same eyes again after reading this book: it literary opens your eyes and you become sensitive to features you had simply not been aware of. When first opening the book its popular language made me skeptical: it is however well researched, its sources are listed and an Index provided. It is a young research area and much more information about the lives of trees is to be expected in the future. Two small points: The drawing supposedly of a „Birch“ is never a birch tree; it looks like a tree of the genus ‚prunus‘. And, considering European readers of this American-English translation, temperatures should also be given in degrees centigrade and heights in meters. (VI-17)… (more)
LibraryThing member willszal
I remember when I was maybe six years old, my dad took me out into the forest to harvest a sapling for some crafting project we were going to be working on together. “Let’s ask the tree if we may take it’s life,” he said, as we held our hand to its bark. After an affirmative, we thanked the tree, cut it down, and brought it home.

This is a book about the being-ness of trees. What is it like if we experience and receive the world as animate? Just like us, trees have their own perceptions, lives, emotions, communities, and vocations. You’ve likely heard of animal rights activists, but why isn’t plant activism a thing? When protestors fight GMOs, they take an instrumentalist approach, linking GMOs (and the herbicides that accompany them) with cancer. But how does a species feel when genetically modified? These are not the questions that the Western world has the expertise to answer, yet I’m guessing plants don’t like it.

These are not topics discussed in the book, but they are questions that arise from the mindset contained therein.

The narrative is crafted using a jarringly objectivist perspective. “Trees are sentient; let me demonstrate with science.” It feels a little like trying to describe someones emotional state by quoting fluctuations in body temperature; yes, there is a correlation, but maybe there are more direct and precise ways of connecting with the lives of trees.

Because of this, the book illustrates qualities of trees by describing mechanisms: they have the ability to see, smell, touch, hear (and likely taste, although that isn’t mentioned in the book). Trees communicate with each other. They share resources. They learn, and have the capacity for memory.

Why do we need scientific proof before we believe in the animacy of other beings? And regardless of animacy, why do we need to understand that something else can feel before we will treat it with respect? What do these things say about our culture? What would it be like if our starting assumption was that the world around us was perceiving us, concurrent with our perception of the world?

The mechanically-inclined will appreciate some of the engineering notes. Deciduous leaves lose their leaves in winter because of the snow and wind, and pines are straight and tapering so they can bear snow loads.

This is a wonderful and beautiful book about what it is like to be a tree. We need a lot more cross-species empathy.
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LibraryThing member RajivC
This is an excellent, if challenging book, on trees. I love trees and this is why I picked up the book. I have also been contemplating buying a book on the trees of Delhi by Pradip Kishen, and maybe I will.

Why do I say it is challenging? I say say because Peter challenges us in a gentle manner, to review our own beliefs of trees. In the beginning, I read the chapters with complete disbelief and incredulity and, then I asked myself what people thought before they were challenged to believe in the spherical nature of the Earth.

Once you allow yourself to go past this stage, then you open your senses to enter a world that is alien, magical and wholly believable.

An excellent book. I would only have loved some photographs. It is my hope that this lacuna is fulfilled in future editions.
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LibraryThing member MikeDI
Fascinating book by someone who has lived his life among trees. I gained a much greater understanding of tree life from Mr. Wohlleben's observations. I've always believed that plants and animals have a greater awareness than'science' gives them credit for. Recent writings seem to bare this out. Highly recommended to anyone who has an open mind.… (more)
LibraryThing member ajlewis2
I read 12% of the book and it seemed disjointed to me. There was some interesting information in what I read, but I had trouble seeing how it actually fit together and felt lost swimming in unrelated facts. I had not expected that sort of presentation and was disappointed and stopped reading.
LibraryThing member hardlyhardy
Trees feel pain. They scream, even if we cannot hear them. Trees can learn. They have a sense of taste and a sense of hearing. They are social beings and can communicate messages to other trees. They sleep at night. Like human couples planning the best time to have a baby, trees plan their own procreation. Then they nurse their young.

So says German forester Peter Wohlleben in his remarkable book “The Hidden Life of Trees,” published in Germany in 2015 and translated into English in 2016. True, he may be guilty of a bit of anthropomorphism, but his essential points are supported by the work of researchers and by his own observations over decades spent in European forests.

Observing trees is difficult because everything they do they do slowly. They can live hundreds, even thousands of years, especially in dense forests where they are protected from the wind and have the company of others of the same species. So time moves slowly for trees, and they react slowly to change. When assaulted by insects, for example, they can sense the attack and send out toxins to their bark and leaves that taste so bad the insects will depart. In the case of oaks, their toxins can even kill the marauders. But this sending of messages and toxins through limbs and branches can take a long time moving at a rate of a third of an inch per minute.

Much of what people have long thought about trees is wrong, Wohlleben writes. We think they will do better alone, out in the sunshine and some distance away from other trees. Not so. We think healthy young trees grow quickly. Again, not so. Those trees that live the longest are those that grow very slowly during their earliest decades, mostly in the shade of older trees.

Wohlleben's book, relatively short, brims not just with amazing facts about trees but also with advice for humans with regard to growing trees, harvesting trees and enjoying trees. The blood pressure of forest visitors, he writes, "rises when they are under conifers, whereas it calms down and falls in stands of oaks. Why don't you take the test for yourself and see in what type of forest you feel most comfortable?"

And while there don't do anything to make a tree scream. This book convinces us that their comfort is important, too.
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LibraryThing member Tip44
I will never look at a forest in the same way. Lovely mix of anecdote and science based information. The audiobook was well done.


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