7 ms·
Forests with multiple tree species are more effective as carbon sinks
- spandextwins 3y ago[dead]
- promocha 3y agoMindless money that's being poured into carbon capture projects, would help grow and maintain forests for at least 10yrs. A recent example like Heirloom that just started its facility and would only capture 1000 tons per year. It took them 4yrs and $50M+ to build one facility. Even if they somehow were to build 1000 facilities annually, they would only capture 10M tons of carbon. Also think about the carbon they would release by building those facilities. We need to remove 2 billion tons of carbon per year at current levels of pollution. Carbon capture projects are just another type of climate grifting like carbon offsets etc.
- NoMoreNicksLeft 3y agoPeople are carbon. Could we remove them?
- verisimi 3y agoI think that's the plan.
- 11235813213455 3y agoPeople are neutral, unless they spend money (which is more or less a unit of pollution & carbon-emission)
- NoMoreNicksLeft 3y agoEvery 15 people is a ton (on average). And while we can't remove 20 billion people, 6 billion or so would make a nice dent. Additionally, those people consume energy. Once their consumption drops to zero, we see additional savings. I think I really have stumbled upon a solution here. The planet will be better off for it. What's wrong with this idea?
- 11235813213455 3y agoyou can reason the same with ants but ants are like a human who doesn't spend money, or like a bird, they are sustainable, no need to remove them but no even need to be extreme/binary, 8 billion humans who live like a 3rd world country-side human and spend a little money is totally sustainable without any issue, because that's equivalent to less than a hundred million 1st world humans
- klyrs 3y agoBirds are known for their nitrogen sequestration. https://en.m.wikipedia.org/wiki/Guano https://en.m.wikipedia.org/wiki/Guano
- 11235813213455 3y agoGreat, but that's more or less the same with other feces, composition vary in carbon or nitrogen, but they're all great fertilizers
- repelsteeltje 3y agoBe careful there, that doesn't sound nice. An increasing number of countries have declining birthrate. This slowly, steadily gets us in that direction but not without demographic problems and significant economic disruptions. Let's try keep it peaceful...
- __MatrixMan__ 3y agoThere is no such thing as a carbon neutral human. We're ~20% carbon by mass. I do agree with your point about money though--economic activity is the primary cause of our excessive carbon footprint. We need to change how we practice money such that "number go up" type thinking correlates with progress toward agreeable goals instead of correlating with the consumption of nonrenewable resources.
- colechristensen 3y agoFor multiple reasons we need actual foresters to build ecosystems, not just plant a bunch of trees. They also need to be built to maintain themselves, not be reliant on continued investment. Bonus points for building ecosystems that support a small amount of logging.
- promocha 3y agoFully agree with this. Continued investment with forest ecosystem maintainers in place is best solution.
- 11235813213455 3y agoBest solution is reducing drastically our footprint, our consumption, instead of helping to grow forests, subsidizing gree businesses, why not heavily tax plane & car industry/usage, incentivize low-footprint lifestyles, educate?
- shzhdbi09gv8ioi 3y agoYou're not gonna win if you only work one way. We can both reduce our carbon footprint AND plant trees.
- 11235813213455 3y agoTrees grow by themselves above all if we reduce our footprint (and stop nonsense things like swimming pools, oversized houses, tennis courts, concrete everywhere, ..), Focusing on reducing footprint has such a big impact, it's easy to cut by half one's footprint, and if that's done largescale, it's basically as if the world population is divided by 2 instantly
- colechristensen 3y agoNo, because this solution to environmental problems is "our impact on the environment is going to cause a global depression and catastrophe due to changing climate! we must try to stop this by causing a global depression and catastrophe ourselves by drastically reducing consumption!" Consumption that dumps carbon in the air needs to be replaced by consumption that doesn't. Power needs to be solar/wind/nuclear, cars need to be electric, things which are done cheaply with hydrocarbon sources need to be replaced with more expensive things with sustainable sources. Trying to make people significantly lower their standard of living with fear of future consequences will not work. It just won't. In two ways... one: a lot of what's happened has already happened and is inevitable, there's no turning back from a few degrees of warming, oceans rising, and climate patterns changing; two: people won't do it. Trying to chase the line of solving environmental problems with consumption reduction is pissing into the wind. You have to try to do things which will actually have effects instead of trying the impossible.
- verisimi 3y agoThey spent money here to put up boxes with special moss in around here..... And when you think that they put carbon into greenhouses to make the plants grow more.. I reckon extra carbon just means extra growth in plant life. Ie the plants are a natural balancing mechanism.
- virtue3 3y agoInteresting. I looked up the world consumption of lumber in 2018 (pre-pandemic stuff). ~ 2.2billion cubic meters, a cubic meter of wood is ROUGHLY(really depends on species) 0.55 tons. So If we doubled lumber production (which would help housing/construction and a lot of other sectors) wed at least offset the carbon created by roughly half. Still wont come close to solving our CO2 emission issues but interesting because we could "get something" from the lumber vs just storing CO2. Assuming 100% carbon capture into wood weight which is not realistic but I think it's a good thought exercise.
- abakker 3y agoI'm not saying you are doing this, but don't confuse Lumber production and forest growth. Increasing lumber production decreases forest growth. we need to increase forest capacity for lumber production first.
- shzhdbi09gv8ioi 3y agoI don't think you understand how trees work as carbon sinks. You're destroying that potential by cutting them down.
- virtue3 3y agoTrees actually carbon sink via growth aka creating wood. The CO2 they breathe in is turned mostly into growth / basic functioning. So no, you are NOT destroying the potential. In fact, if they grow and die and rot they are going to essentially release all the CO2 they captured. https://extension.psu.edu/how-forests-store-carbon https://extension.psu.edu/how-forests-store-carbon So converting mature trees into lumber is essentially locking out the carbon capture more dramatically, especially if used in long term uses like housing etc. Being turned into firewood would be drastically bad for CO2 capture. What am I missing that makes you think I don't understand?
- partitioned 3y agoOnly if the tree rots. If you turn it into treated lumber and build a house with it…
- cowboyscott 3y agoI read that story as well, and while the company does promise increases in efficiency, the whole thing seems like a very expensive way to do very little. Based on light googling, a mature tree can capture about 50lbs of carbon a year [1]. Assuming a few hundred trees per acre [2] you could get, let's say, 5 tons per year in the steady/mature state. Small numbers, but it adds up. Leander, TX is a suburb of Austin that sprung up in the last 50 years. It's a useful measure for me as 1) I have some intuitive comprehension of the size (37.5 sq miles) and 2) it was an area slowly developed over the last 50 years. If it were reforested (you wouldn't want to do this because, you know, people live there), we might get 100kton of capture a year (guesstimating). Repeat that 170,000 times and we can get back to the net emissions of the year 2000 - a 17gigaton reduction per year. Of course, that would require planting an area double the size of the United States. Anyway, that's napkin math and I hope I'm off. 1: https://www.usda.gov/media/blog/2015/03/17/power-one-tree-very-air-we-breathe https://www.usda.gov/media/blog/2015/03/17/power-one-tree-ve... 2: https://bugwoodcloud.org/resource/files/27435.pdf https://bugwoodcloud.org/resource/files/27435.pdf
- deleted 3y ago[deleted]
- 11235813213455 3y agoAre there other forms of long term natural carbon storage than hydrocarbures or shale gas? Because a wood branch eventually decades and reemit the carbon, if it doesn't get buried deep in (usually sea) ground
- angry_moose 3y agoNew forests are long-term storage. A single tree will eventually die, decay, and re-emit carbon. However, it will quickly be replaced by new trees that re-absorb a similar amount of carbon. Despite some amount of carbon exchange every year from growth and decay, the forest as a whole stores a huge amount of carbon as long as it lasts. Maybe not stable on geological time-scales due to things like disease, disaster, or continental drift; but certainly extremely valuable on the order of millenia.
- stephen_g 3y agoExactly - people seem to get a little caught up in the ‘carbon offsets are BS’ narrative (which there is a lot of truth to - a lot of credits in these markets are grifters selling sham credits, and offsets in general won’t work long term if we don’t massively reduce things like fossil fuel use). But taking it too far can mean they aren’t able to quite grasp this about how the forest works. So you get weird, wrong takes like “because trees eventually die and decompose, a forest stores zero carbon on a net basis.” But you’re spot on - the new forest will absorb a certain amount of carbon, and then should basically reach a steady state where new growth trees are absorbing a similar amount of carbon as the decomposing trees are releasing (more or less on the short term, but should roughly even out over the medium term). Of course, there are sometimes things like bushfires, but ideally forest regrown in an area where there was a bushfire re-offsets that (but you can’t claim that against other carbon you release, only against the carbon released by the bushfire!)
- hinkley 3y agoSee also forest succession, where pioneer trees grow and die, intermediate trees grow on the stumps, and apex canopy trees grow on their stumps. That’s a process that’s anywhere from 80-400 years in the making, and each species holds more carbon than the previous. That’s a long time for us to get carbon neutral. One that’s been replaced with clear cutting, which removed the nurse logs the next generation would typically indirectly consume.
- progne 3y agoI've had a die off of the pinyon pine trees on my small lot, from bark beetles, and have lost about half of them. It's been a big job to clear them out. During that I've noticed that they are more likely to survive when closely paired with the other common tree in the area, a shaggy bark juniper. The junipers are resistant to the beetles and seem to bestow some of that on nearby pines. It was 50/50 pine/juniper, now it's around 25/75, all due to loses in pine. Without the juniper the loss could have been another half as much pine. So my yard is an example of multiple species resulting in more carbon capture.
- deleted 3y ago[deleted]
- freedomben 3y agoJunipers are fascinating trees to me. Most people find them ugly, (and they certainly can feel that way next to a beautiful Maple) but they are quite remarkable trees. I've seen junipers get horribly torn up by deer antlers, and survive wounds that would have ended a Cottonwood and especially an Ash or a Maple. They are survivors!
- winnit 3y agoEven if they are ugly when they are living, they're wonderful to behold when they burn! I would hazard a guess that they're unpopularity with people stems from their popularity with ticks.
- hinkley 3y agoSimard showed that birch trees favor a more benign fungus in the soil over a pathogenic cousin. When you cut the birches, within a few years the balance shifts and other trees start to succumb. I wonder if the pinyon is working like that or if it’s polyphenols of some sort being exchanged through the food web.
- tomp 3y ago[flagged]
- shzhdbi09gv8ioi 3y ago> A carbon sink is anything, natural or otherwise, that accumulates and stores some carbon-containing chemical compound for an indefinite period and thereby removes carbon dioxide (CO2) from the atmosphere.
- tomp 3y agoIndeed, that's why I said "coal". If a tree doesn't become coal, it's not storing C for an _indefinite_ amount of time, but for definite, relatively short amount of time. A tree either rots, burns, or is used for housing, in which case, again, it either rots or burns. Unless it becomes coal.
- 11235813213455 3y agoso with coal & hydrocarbures, trees are actual storage mecanism
- yjftsjthsd-h 3y ago> If a tree doesn't become coal, it's not storing C for an _indefinite_ amount of time, but for definite, relatively short amount of time. A tree either rots, burns, or is used for housing, in which case, again, it either rots or burns. Unless it becomes coal. I don't think that's actually true; if a tree rots (either in place or after being part of a house), some of the carbon is released to the atmosphere, but the rest goes into the soil. In any event, taking carbon out of the atmosphere seems beneficial even if it is only for a few decades.
- partitioned 3y agoWhen you say something this dumb does it make you doubt everything else you believe or do you double down on your cognitive impairment
- 11235813213455 3y ago
- stonemetal12 3y agoSounds like a spurious correlation to me. They found 4 species forest 70% better than mono species forest but by 6 species, forests are back to mono forest levels.
- deleted 3y ago[deleted]
- rapind 3y agoBasically monoculture is horrible for everything but industry.
- yjftsjthsd-h 3y agoUnless we mean in different places, I'm pretty sure it's bad for industry too;, ex. a part only having a single supplier is a risk to every downstream consumer of that part.
- Slava_Propanei 3y ago[dead]
- zwieback 3y agoIncluding the authors of the study, we all want this to be true but from what I can tell by reading the discussion in the article the "aboveground carbon store" of monocultures might actually be hard to beat. Their data appears to be shaky and we should take other factors into account to encourage diversity.
- hinkley 3y agoMonocultures are the spherical cows of horticulture. It’s also a misnomer because all of those pest species count as the biosphere. The harder you try to grow only one plant, the more non-plants you end up growing.
- newsclues 3y agoWhat if Humans focused most climate change efforts into reforesting the Sahara desert? Build up a system of desalination, irrigation and slowly turn the desert into grassland as a giant carbon sink. Lots of hard work, and it will take a long time, but why try to reinvent the planets natural systems when it comes to climate change?
- 11235813213455 3y agoThe situation in Sahara worsened even more with climate changes, so I think it's best to act globally, as everything is connected, not on a specific & hostile place which will require a lot of efforts (so pollution since I doubt it'll be done without any machine, plastics, oil). Best to work on individual level, spending much less, voting well, let tree grow where they can grow more easily instead of putting tennis courts, swimming pools, oversized houses, etc..
- jtr1 3y agoHigh altitude dust from the Sahara acts as fertilizer to the Amazon.[1] The biosphere is a complex, interconnected system. 1. https://www.nasa.gov/centers-and-facilities/goddard/nasa-satellite-reveals-how-much-saharan-dust-feeds-amazons-plants/ https://www.nasa.gov/centers-and-facilities/goddard/nasa-sat...
- lm28469 3y agoYeah... everything is way too complex and interconnected for any of these "let's just do X to solve everything at once" plans to work. I don't get how people can still be so guilible after we basically shown over and over again that we don't have much control on what's happening, virtually every breakthrough we had brought more issues we have no idea how to fix in the long run.
- jtr1 3y agoNot sure I subscribe to a totally fatalistic view here. Complex and interconnected systems can still yield solutions to careful study, and even without total foresight and control, some outcomes can be preferable to others.
- pvaldes 3y agoBiodiversity generates stability
- TesterVetter 3y ago[dead]