#(that's total organic carbon)

[hylianengineer]

Running an unfamiliar instrument while no one else is in the lab has me flinching every time it makes a weird noise.

The thing is, most instruments do nothing but make weird noises the entire time they're running.

[alexanderwales]

This is a water-seal stoneware crock. The design is ancient.

It is, essentially, a large ceramic vessel that you put vegetables and sometimes brine into. To prevent spoilage, you place those ceramic weights on top of whatever food is in the crock, and that keeps them weighted down, below the level of the water. Because fermentation creates gases, most crocks have a "water groove" in them. The lid sits in the groove, which allows air to escape but not come in. Because fermentation creates gas, the interior of the crock is positive-pressure, and because the gas created is almost entirely carbon dioxide, it's a low-oxygen environment that additionally helps prevent spoilage.

And all this would be pointless without lactobacillus, the bacteria that chomp down on the vegetables you put into the crock. They're anaerobic, which means totally fine without oxygen, and they produce an environment that's inhospitable to most other organisms. The main things they produce are CO2, which means no oxygen for other bacteria, and lactic acid, which makes the fermented thing sour and also decreases the pH low enough that many other bacteria cannot survive. They tolerate high levels of salt, which kill yet more competitor bacteria. It ends up being a really really good way to keep food from going off.

Our ancestors figured this out thousands of years ago without knowing what bacteria were. This general ceramic design has been in use around the world in virtually every place that had ceramics, salt, and too much cabbage or cucumbers that was going to rot if they didn't do something about it. It's thousands of years old, so old that it gets hard to interpret the evidence of the ceramics.

And I have crocks like this in my kitchen, where I make my own ferments, and I always think about how beautiful and elegant it all is, and how this was probably invented hundreds of times as people converged on something that Just Works.

(I do have pH testing strips though.)

[trendingreportz]

Water Testing and Analysis Market - Forecast(2024 - 2030)

The global water testing and analysis market generated a revenue of $4060.2 million in 2017 and is expected to rise with a CAGR of 6.7% during the forecast period of 2018-2023.  Among the different types of tests, the pH test generated the maximum market share of $1400.1 million in 2017 and is projected to rise in the coming years with a CAGR of 7% during forecast year of 2018-2023. Rapid industrialization and growing needs in developing countries has raised the demand for water testing and analysis. Also, the stringent regulations by various government bodies to maintain the water quality is also driving the market growth for water testing and analysis market.

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What is Water Testing and Analysis?

Water testing is a process of assessing water quality. Water quality has to be tested regularly to determine the health of water. Water has various properties such as turbidity, dissolved gas content, radioactivity and water conductivity are measured through water testing and analysis. The quality of water is essential to many different industries and activities such as agriculture, fisheries, electronics, food, pharmaceutical aquaculture and forestry. The different types of water tests include physiochemical tests and bacteriological tests. The physiochemical tests are carried out by various methods such as titration, spectrophotometric methods, etc. These tests includes pH test, odor, turbidity test, BOD and TOC, radio activity test and dissolved oxygen test. The bacteriological tests involve the use of membrane filters and multi tube dilution method to determine the total coliforms and fecal coliforms.

What are the applications of Water Testing and Analysis?

Water testing is used in various industries such as mining, refineries, semiconductor, metals, pharmaceutical, food and beverage and several others. Water plays a critical role in pharmaceutical industry and thus has to be free from all the contaminants. The end user industry analysis of water testing and analysis market provides a complete detailed study of the market and the sectors involved in it. Water testing plays a major role in electronics industries as it requires ultrapure water for manufacturing and cleaning. 

In electronics industry salinity testing is used to test water, it helps to test the amount of salt in water which will help in generating electricity. Salt diffused water is more efficient for generating electricity hence salinity tester are used to test salinity of water. Mining and refineries utilize large volume of water. The waste water generated from these industries are tested and treated in order to avoid pollution. Water quality is a priority for many industries hence with the growth of such industries is expected to expand the market size of Water testing and analysis industry.

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Market Research and Market Trends of Water testing and Analysis:

It is known that high concentration of lead in drinking water can cause serious neural disorders. The present method to check the concentration of lead is sending the samples to laboratories equipped with detection technology. This method is expensive and time consuming. Thus, companies are developing a portable device which works along with the smart phone for detection of lead concentration in drinking water. This method will give quick results with high accuracy and low cost. 

Due to the advancement in technology, the water testing market is focusing on using AI and machine learning techniques including neural networks and video analytics to detect the optical characteristics of water like color, odor, motion and other contaminants.

Dirty water is a serious health concern as it causes several diseases. In order to mitigate the level of contaminants, researchers are finding ways to filter out the tiniest impurities in water with the use of nano particles. As it is discovered that graphene eliminates the smallest impurities, manufacturers are trying to incorporate gold nano particles along with graphene sensors or films to exclude the contaminants by making the process more efficient. 

Water is easily contaminated by arsenic and other metals that leach out of the soil during the mining process. All the current testing methods consume a lot of time to deliver the results. Many companies are focusing on development of low cost test strips to detect the life threatening contaminants in no time. This would help people to monitor the water and take preventive measures. 

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Who are the Major Players in Water Testing and Analysis Market?

The companies referred in the market research report are GE Power & Water, Global Treat, Inc., Horiba Ltd, Shimadzu Corporation, Thermo Fisher Scientific Inc. and 10 other companies.

What is our report scope?

The report incorporates in-depth assessment of the competitive landscape, product market sizing, product benchmarking, market trends, product developments, financial analysis, strategic analysis and so on to gauge the impact forces and potential opportunities of the market. Apart from this the report also includes a study of major developments in the market such as product launches, agreements, acquisitions, collaborations, mergers and so on to comprehend the prevailing market dynamics at present and its impact during the forecast period 2018-2023.

All our reports are customizable to your company needs to a certain extent, we do provide 20 free consulting hours along with purchase of each report, and this will allow you to request any additional data to customize the report to your needs.

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Key Takeaways from this Report

Evaluate market potential through analyzing growth rates (CAGR %), Volume (Units) and Value ($M) data given at country level – for product types, end use applications and by different industry verticals.

Understand the different dynamics influencing the market – key driving factors, challenges and hidden opportunities.

Get in-depth insights on your competitor performance – market shares, strategies, financial benchmarking, product benchmarking, SWOT and more.

Analyze the sales and distribution channels across key geographies to improve top-line revenues.

Understand the industry supply chain with a deep-dive on the value augmentation at each step, in order to optimize value and bring efficiencies in your processes. 

Get a quick outlook on the market entropy – M&A’s, deals, partnerships, product launches of all key players for the past 4 years. 

Evaluate the supply-demand gaps, import-export statistics and regulatory landscape for more than top 20 countries globally for the market. 

[analabtron]

Autosampler for Total Organic Carbon Analyzer

Autosampler for a Total Organic Carbon (TOC) analyzer is a device that automates the process of introducing liquid samples into the TOC analyzer for analysis. Autosamplers are designed to minimize the risk of sample contamination by using disposable tips or other measures to prevent carryover between samples. This is crucial for accurate TOC measurements. Shop online at Labtron.us

[sofiyalabtronus]

Total Organic Carbon (TOC) analyzer

Total Organic Carbon (TOC) analyzer,is made to break down samples using High Temperature Combustion mode in order to determine the carbon content of most solid, liquid, and gaseous samples.It totally computer-aided equipment that improves performance.Measurement Range-0-30000 mg/l; Detection Limit-50 μg/l; Parameters-TC–Total Carbon•TIC–Total Inorganic Carbon•POC– Purgeable Organic Carbon• NPOC– Non-Purgeable Organic Carbon; Maximum Salinity-85 g/l for more visit labtron.us

[svaninstruments]

TOC or Total Organic Carbon analysis, is known to be a fundamental method that is utilized in numerous fields, including water treatment, environmental science, pharmaceuticals, and the food industry.

The principle backing a Total Organic Carbon Analyzer is embedded in the quantification of all carbon compounds, both organic and inorganic, in a given specimen.

[emacrow]

Tim whom is still banned from caffeine went into looking into other ways to get caffeine.

He went into anonymous source from someone name KingTuck4ever who talk about a energy drink that kept him up for weeks during a critical time of his life and Tim was at this point of desperate to spend any time of money he got.

Later that night, he received 6 very large Dark green boxes with a DP logo on it filled with Lightening Green tall soda cans with the name Ecto-Spark!, ingredients tags on the back, made with organic vegan products, DO NOT NEAR MEAT RELATED PRODUCTS, guaranteed to keep you caffeine deprived souls awake and alive enough to enjoy a night afterlife party! Or your money back.

Tim at the point didn't read the back as he pop open the top, smelling a strong scent of caffeine, carbonated bubble and a taste of lemon lime mixed with a tang flavor that had his mouth drowning nearly in drool.

He took only one experimental sip, before his eyes widen instantly and immediately began chugging the soda can for all the liquid caffeine it had inside. This was 1000 times better then Death Coffee Cup from his favorite Cafe that he was still banned from.

It felt like his whole body got electrified with energy and feel like he can run a whole 4 week marathon without breaking a sweat. This drink was like tasting nirvana after a week of being in a Gobi desert for his fucking soul.

.....

.....

.....

Bruce can never know about this. He can't tell anyone about this drink. Not Damian, Not dick, not step, maybe Jason, but Cass can kept a secret since she knew body language. He might possibly go rogue and kill Bruce himself if Bruce tried to take this from him.

Meanwhile Tucker was amazed of the total amount of money he received from the anonymous Caffine obsessed ghost. Usually he ended up receiving old relics, Egyptian related artifacts, gold coins, etc but this is a first he got actually modern day money.

Poor dude must've been recently form a core to spend that much money. Good thing he had send extra since he know how crazy those caffine-obsessed ghosts can be over the new drink he made specifically for himself, Sam and Danny but it's nice to have extra cash for new tech making. Especially since Danny became high king of the ghost zone when he became 20 year old, and the amount of paper works that had been left for dust collecting could filled a planet to the very brim.

Took him, Sam, Danny, Ghost writer and Techno 5 months to fully turn at least 26% of sacrifical gifts from ritual, contracts, conquests, complains from territorial ghosts about humans taking their land/house/property/or about their murder, help hundreds of ghosts stuck in their personal hell of a limbo of their own death, guy name Constantine whom was rapidly becoming a pain in Tucker's ass especially when he got one contract form his former previous life about this guy.

[vasthi-instruments12]

[reasonsforhope]

"Governor Janet Mills announced that Maine has, two years ahead of time, surpassed its goal of installing 100,000 new heat pumps by 2025, a milestone that represents significant progress in reducing Maine’s reliance on heating oil, lowering heating costs, and curbing harmful carbon emissions.

To continue Maine’s momentum, Governor Mills also unveiled a new target: installing another 175,000 additional heat pumps in Maine by 2027, thereby bringing the number of heat pumps installed in Maine homes, businesses, and public buildings during her time in office to 275,000.

If this target is achieved, Maine would have more than 320,000 heat pumps in total installed across the state.

Heat pumps can be thought of as temperature recycling machines. They are filled with refrigerant fluid and contain a compressor, and they work by extracting excess heat and moving it around, either in or out of a house depending on whether it’s hot or cold.

It’s believed they work best in hot weather, but in February, Maine’s temperatures in some places plummeted during a cold snap to -60°F. Efficiency Maine, which aided in the state’s adoption of heat pumps by organizing rebates for customers under the provisions of the Inflation Reduction Act, did a survey of owners they had helped the previous year.

Many of [the heat pump owners] reported they were comfortable and warm, and offered to bring up the fact that by February they had already saved hundreds of dollars on home heating systems, over boilers, gas furnaces, and heating oil.

“We are setting an example for the nation,” said Mills at the announcement event. ​“Our transition to heat pumps is… curbing our reliance on fossil fuels, and cutting costs for Maine families, all while making them more comfortable in their homes—a hat trick for our state.”

The transition began in 2019 with bipartisan support of the Legislature, when Governor Mills enacted laws setting ambitious targets for transitioning to renewable energy and reducing greenhouse gas emissions."

-via Good News Network, July 31, 2023

[teaboot]

Hey! Bamboo toilet paper person here. Your response was very thoughtful-- I want to apologize for placing the onus of climate issues on individual action, haha. I work at a zoo that bills itself as being very heavy on conservation messaging, but as a non-partisan organization we're obviously not allowed to talk about the evils of capitalism. This means that in our programming, we MUST place the responsibility of stopping climate change on individual guests, encouraging them to make more environmentally conscientious decisions like buying reef safe sunscreen or reducing carbon emissions by driving less. The most "political" we're allowed to get is telling people to stay educated and vote in favor of laws that will have a positive impact on the environment. I think I've been drinking the Zoolaid a little TOO much recently, because you're totally right-- the vast, VAST majority of damage to the environment is caused by major corporations, not random people working around their own unique needs. It was also low key a little ableist of me to take issue with that ngl.

Obviously no obligation to respond to this publicly (though it's fine if you choose to do so), but I did want to thank you for your response and mention that it did get through the nonprofit mission-based-organization propaganda living rent free in my head haha. Cheers!

Hey, you work at a zoo? That is SO cool, aadsdggjjg@!!!

And hey, no worries, you totally had a good point about endless waste and trying to counter it where possible- Just from personal experience involved in the barest edge of the fashion industry, I really, really, REALLY hate the idea that, like... people can't access simple shit like plastic straws, even if they're the best, most practical, least-harmful option for them.... because a 12 year old made up some random number for a school project about plastic waste

Where, as a zoo person, I imagine you're already aware that the average sea turtle is WILDLY more likely to die from abandoned plastic fishing nets or ocean-dump grocery bags than accidentally get a straw inside it

So here we are, using paper straws!- which may be an improvement, or may not, I don't have that data, and construction emissions are their own thing- BUT WE STILL HAVE OCEANS FULL OF ABANDONED NETS

WHICH ARE OBJECTIVELY WORSE, but MUCH harder to get rid of, and as the average person doesn't USE fishing nets, it'd much harder to market as a "You, not me" sort of issue.

Cleaning up fishing nets isn't trendy. It isn't sexy. You can't troubleshoot a cute little trendy solution for it that you can market to upwardly-mobile tweens.

But a reusable water bottle? A cute canvas tote? A metal straw? That's a solution you can buy and feel good about.

Never mind that you need to use a single cotton reusable bag somewhere like a million times before the cost of its construction counterbalances the cost of a single grocery bag every time you shop- which, hey, some of us were reusing as trash liners for their wastebaskets, or bundle bags for donating clothes, or lining for our leaky winter boots!

If a better option is available, I'll take it. But as ZERO HARM is next to impossible at this time, I personally am gonna aim for MINIMAL HARM as long as I can.

...sorry, I didn't mean to ramble off again.

But hey, if your nonprofit is doing good things, feel free to shoot me a link! I can post it on my blog :D

(Link to original post for context lol)

[nightmaremonarch]

jojo’s bizarre fantasy au BECAUSE I LOVE PART 5 AUGHHHHHHHHH

i rewatched the entirety of part five in the span it took to make this. Details about the lore and characters below the cut ^_^

Ok. I will be separating this based on character… in an attempt to be more organized. Included will also be my friend’s description that she gave for each character upon seeing the drawing.

Giorno Giovanna — Race, half vampire. Stand name, Gaia. Unfortunately lost his silly victory rolls, which have been replaced with donut shaped curls. Has a dream of usurping the Crimson King and ending his oppressive reign.

Friend’s Description: “‘pink is still manly for this era guys trust’”

Trish Una — Race, human(?). Stand name, Spice. I like to think she tries to maintain an air of elegance and superiority, but she’s just a kid who doesn’t particularly want to be in the situation she’s in. The princess of an underground kingdom? No way. She just wants to be Trish.

Friend’s Description: “Noblelady”

Guido Mista — Race, human. Stand name, Coitus Cluster (good god the creative juices are NOT flowing). Best archer, like, ever. Probably enjoys animal furs but is too broke to get any. Stinky loser.

Friend’s Description: “Robin hood.”

Pannacotta Fugo — Race, elf. Stand name, Purple Death. Former nobleman and still dresses like it. Had to limit the holes in his clothes because he is, unfortunately, not immune to being sunburn.

Friend’s Description: “totally not a vampire”

Bruno Bucciarati — Race, human. Stand name, Strings of Fate. I love him. He’s the love of my life. I may or may not have put the most effort into his outfit. He’s so beautiful. No notes. Also, since zippers weren’t invented till like… mid 1800’s, rather than zippers, he uses strings!!! Tugs on ‘em the way you would a loose hem…

Friend’s Description: “Italian nobleman”

Leone Abbacchio — Race, drow. Stand name, Rewind. It takes the form of a snake!! Because Moody Blues had them.. neck thangs. I don’t know. Anyways. Abbacchio coulda been drippier, but at the time of drawing I was running low on brain power.

Friend’s Description: “TOTALLY NOT A VAMPIRE”

Narancia Ghirga — Race, human. Stand name, Pheonix. Due to the fact that airplanes did NOT exist prior to some point in the 1900’s, Narancia’s stand is a bird. Probably breathes fire and can detect carbon dioxide… cannot come back from the dead though. Sorry buddy. Also, his left eye is blind from his eye infection. Sorry again buddy.

Friend’s Description: “peasant working on a merchant ship”

AND FINALLY:

Diavolo — Race, Demon. The Crimson King. He took FOREVER to draw. Especially those tattoos. I tried to make his color scheme salvageable, but seeing as I was working with Diavolo’s actual color scheme… it is not the best. Diavolo used to have wings as well, but after an incident that prompted him to go underground, they’re gone. He hides in the body of a halfling named Vinegar Doppio… though they are two completely separate entities.

Friend’s Description: “Dante’s homosexual Inferno”

idk if ill elaborate more on this au. depends on the reception of this…!! this is all just for fun… goofs and gaffs… love u sorry for only posting wips for months before this

also in this au i think stands would be called spirits/be spirits ok that’s all fr now bye love u

[anipgarden]

Un-Actions, or Restriction of Activities

This is my first post in a series I’ll be making on how to increase biodiversity on a budget! I’m not an expert--just an enthusiast--but I hope something you find here helps! 

There’s a good handful of ways you can help increase biodiversity in your yard that don’t require buying things--in fact, these may actually help you save money in the long run! They may seem small and simple, but every bit counts! Whether you can do these in totality, or just limit how often you do these actions, it’ll make a difference.

Not Mowing, or Mowing Less Often

Turf grass lawns are considered a monoculture, meaning they don’t provide much opportunity for insects to find habitat--so few other creatures find them enjoyable either. An expanse of turf grass is, in many ways, a barren wasteland in the eyes of wildlife--too exposed to cross, with few to no opportunities for food or shelter, leaving them exposed to blazing hot sun, freezing cold, or any predators that may be lurking nearby. A place to be avoided. The simple act of letting your grass grow unbothered gives a chance for wildflowers to grow, and for your grass to grow taller--providing more habitat for insects, which then provides more habitat to birds and other creatures that feed on said insects. Wildlife want nothing more than to skirt by unnoticed, so even leaving the grass tall along the edges of a fence or yard can help a little. Even restricting mowing to every other week, or at a higher blade setting, can be a huge help. If HOAs or city ordinances are fussy about lawn length in the front yard, you can likely still keep grass higher in the backyard. Or, you can create a ‘feature’ where grass is allowed to grow long in a specific area. If it looks purposeful, people are more likely to accept it. Not mowing under trees or close to shrubs not only leaves space for wildflowers to grow, but also means you don’t have to deal with mowing over bumpy roots and other difficulties. Cutting different areas at different times can be an option for letting grass grow long in some areas while still having available places for play and entertainment. I’ve seen some people plant flower bulbs when pulling up weeds, so in the future they'll bloom in early spring before mowing is usually necessary. This could be another fun way of adding biodiversity to a lawn without--or before you--begin mowing in spring.

Not worrying about mowing, or doing it less often, saves you in time, money, and energy. You won’t have to buy as much gasoline for your mower, and Saturday afternoons can be free to be enjoyed in other ways aside from being sticky and sweaty and covered in grass stains. In addition, you’ll likely be lowering your own carbon emissions!

If you do have to mow your lawn, I’ve got ways you can use your grass clippings to boost biodiversity later in the post series!

Not using pesticides, herbicides, fungicides, etc.

One of the next-biggest non-actions you can do asides from not mowing is using fewer fewer to no herbicides, fungicides, and pesticides in your yard. This’ll easily allow for more biodiversity. Allowing more insects and a wide array of plants to thrive will feed back into the entire food chain in your area. In addition, these types of chemicals have been tied to algae blooms, death of beneficial insects, harm to birds, fish, and even humans. Soil is supposed to be full of fungi, especially fungal mycelium that essentially acts as a network for plants to communicate, share nutrients, and support each other--fungicide kills that, and typically makes all other lawn problems even worse in a negative feedback loop. It may take awhile to see the benefits of avoiding these chemicals, but once you see it, it really is astounding.

However! I can’t lie and say that there haven’t been points where I needed to use pesticides at some points in my gardening journey. In these cases, try to use products that are organic--like diatomaceous earth, neem oil, etc--and use them accurately, correctly, and sparingly. Follow instructions on how to apply them safely and responsibly--for example, on non-windy days and during times when bees and other pollinators aren’t likely to be out and about. With some pests (read: oleander aphids, in my experience), a simple jetstream of water is enough to force them off the plant where they’ll be too weak to get back. Eventually, you should have a balanced enough ecosystem that no one insect pest causes a major issue with the work you’re doing to boost biodiversity.

If you can bear to, try handling pests manually. Squishing pest bugs in your hand is a pretty foolproof way to get rid of some problems, or spraying them with a mix of soap and water can do the trick on some insects. Alternatively, picking them off your plants and into a bucket of soapy water is also a valid option. You’ve heard of baptism by fire, now get ready for… baptism by soap?

But also! Try reconsidering what you consider a pest! Tomato hornworms are hated by gardeners, for devouring the foliage of beloved tomato, pepper, and potato plants. But killing the tomato and tobacco hornworm means getting rid of sphinx moths, also known as hummingbird or hawk moths! Hawk moths are vital to the survival of many native plants, and are sometimes even the only species that pollinates them. If you can bear to, consider sacrificing a few tomato plants, or growing a few extras, so we can continue having these beautiful moths for years to come. After all, they may not even do significant damage to the plants!

With that in mind, be friendly to your natural pest managers! Lacewings, ladybugs, praying mantises, wasps, birds, bats, and more will help manage pest populations in your environment! Encourage them by planting things they like, providing habitat, and leaving them be to do their work! Avoiding pesticides helps make your garden a livable environment for them, too!

Letting Weeds Grow

Many of the plants we know as 'weeds' are actually secondary succession species and native wildflowers. Milkweed was regarded as a noxious, annoying weed for a long time, and now people are actively trying to plant them after learning about the important role they play in our environments! Weeds are adapted to take over areas that have been cleared out of other plants after a disaster, so they're doing much of the initial work in making a habitat for other creatures. In fact, many of them will simply die back as the environment repairs itself.

An important thing to note is to please make sure that your ‘weeds’ are not invasive species. Work on learning how to identify native and invasive species in your area, and pull out what’s harmful to leave room for what’s good!

Don’t Rake (Or At Least Don’t Bag Your Leaves)

Many insects overwinter in piles of leaves that we often rake away and bag up in the fall and winter. By doing this, we are actively throwing away the biodiversity of our neighborhoods! If you can, leave the leaves where they fall! 

If you do need to rake, put the leaves in places wildlife can still access it instead of bagging it up. Move your leaves into garden beds to serve as mulch, or along the edge of fences to rest while keeping egg cases and hiding bugs intact and free to release come spring.

Leave Snags Where They Are

Snags are dead trees/dead branches on living trees. They provide an important wildlife habitat--many birds nest in them, or use them to seek cover from rain, and many insects will also live in snags (making them an additional food source for birds and other creatures). Tree cavities are used as nests by hundreds of bird species in the US, and many mammals use them as well, such as bats, squirrels, raccoons, and sometimes even bears. Some trees form cavities while they’re still alive, but in conifers they’re more likely to form after death. Crevices between the trunk of a dead tree and its peeling bark provide sun protection for bats and amphibians, and leafless branches make great perching areas for birds of prey to hunt from above. The decaying wood is home to insects and fungi, who then feed birds, mammals, amphibians, and reptiles.  Do check on the snags regularly to ensure they don’t serve a threat to any nearby structures, but whenever possible, leave them be! 

Keep Your Cat Inside

If you have an outdoor cat, consider making the adjustments to have it be an indoor cat. If you have an indoor cat, keep it as an indoor cat. Free ranging cats impact biodiversity through predation, fear effects, competition for resources, disease, and more. Keeping little Mittens inside does a lot more to help than it may seem from the outside.

That’s the end of this post! My next one’s gonna be on things you can add to your space that aren’t directly related to growing plants. For now, I hope this advice helps! Feel free to reply with any questions, success stories, or anything you think I may have forgotten to add in! 

[mbari-blog]

With eight arms instead of 10, this squid breaks the rules.

The octopus squid (Octopoteuthis deletron) is unusual among squids. Typically, squids have eight arms and two long tentacles, making a total of 10 appendages. But as young Octopoteuthis mature into adults, their two feeding tentacles are reabsorbed into their bodies.

Eight arms are not the only thing that stands out about this species. While exploring the midwater, we often encounter octopus squid in a distinctive posture: large fins spread wide, and arms with twinkling tips curled above the head. Light-producing organs called photophores flash with bioluminescence at the end of each arm.

MBARI has spent several decades studying Octopoteuthis. Cameras on our advanced underwater robots have revealed insights into the mysterious lives of octopus squid, from their unique behaviors to their defensive strategies.

Octopus squid and their deep-dwelling kin play a vital role in ocean food webs. Despite their ecological importance, we still know very little about the lives of deep-sea squids. MBARI’s work is answering fundamental questions about deep-sea cephalopods and providing vital information that resource managers can use to inform their decision-making about the ocean.

The deep sea is closer than you think. What we do on land affects the ocean, even the animals and environments deep below the surface. By choosing sustainable seafood, refusing single-use plastic, and reducing our carbon footprint, we can help protect the amazing animals of the deep.

Learn more about this captivating cephalopod in our Animals of the Deep gallery.

[memegetter]

Imagine you are standing with your feet in the deepest part of the ocean and with the top of your head at sea level. As the tide rises and falls, the difference in water level is roughly equivalent to the thickness of two, or perhaps three, strands of your hair. Now let’s travel down from the surface. We first enter the Epipelagic Zone, which takes its name from the Greek epi, meaning surface, and pelagos meaning sea. The Epipelagic Zone is also known as the Sunlit Zone because sunlight penetrates the water and brings life to photosynthetic plankton, which converts carbon dioxide into energy. The Earth’s rainforests are not, as some people have stated, the ‘lungs of the world’. The Epipelagic Zone is. It produces up to 80 percent of our oxygen. It is also home to 90 percent of ocean life, including the most recognizable forms such as whales, dolphins, fish, sharks and jellyfish. As we stand in our ocean and continue down, about halfway between the top of our skull and the top of our ears, we leave the Epipelagic Zone and enter the Mesopelagic Zone. This zone, like the others, takes its name from the Greek meso meaning middle. But we are a long way from the middle, or even the average depth of the ocean. The Mesopelagic Zone is sometimes called the Twilight Zone, because the last faint rays of light from a sun high in the sky, are fading by the time they reach the top of this zone. Vertebrates and invertebrates live here in darkness, with many of them swimming upwards at night to feed. Some plant life also survives here. On our submerged body, somewhere between the bottom of our nose and the top of our mouth, we leave the Mesopelagic Zone and enter the Bathypelagic Zone. Bathy means deep. This zone is in perpetual darkness. No plant life lives here. Some, water-borne organisms are luminescent to attract prey or a mate. Many species here are totally blind, and most live on the detritus that falls from the higher zones. Just below the bottom of our sternum, before we reach our navel, we enter the Abyssopelagic Zone. Abyss means seemingly bottomless. The water is high in oxygen, but low in nutrients. There is very little discernible life and the water is cold – about 37 °F or 3 °C. Chemosynthetic bacteria thrive near hydrothermal vents in the Abyssopelagic Zone. What fish and invertebrates do live here feed on these bacteria. This, in a sense, is ground zero in the food chain. To stand in the deepest part of the ocean we need to stand in one of the trenches between the tectonic plates. In our imaginary exercise, we are standing in the Mariana Trench, located off the Mariana Islands in the Pacific Ocean. Trenches are extremely narrow. The one we are standing in, begins at our groin. In the 1950s, scientists began to notice distinct life in the trenches and started referring to them as the Hadal Zone. A Greek derivative again, but whereas the names of the zones above indicate where in the ocean they are located, the Hadal Zone was named to signify what. Welcome to hell. Let us begin our journey.

The introduction to The Frontier Below by Jeff Maynard is so hardcore!!