#symbiosis — Public Fediverse posts

What role do #fish play in the oceanic #CarbonCycle via calcium carbonate precipitation? Study of the toadfish gut reveals Vibrio #bacteria that could aid CaCO3 precipitation, expanding the role of #symbiosis in marine #biomineralization @PLOSBiology https://plos.io/49aY5SH

We pour hydrogels into the fuel. Polymers swell, arresting combustion. We share a nod—mycelium recognizing its network. 🍄⚙️ #Kinetics #Symbiosis

https://www.evshift.com/455350/real-connection-true-symbiosis-the-bmw-ix3-with-bmw-symbiotic-drive/ Real connection, true symbiosis | The BMW iX3 with BMW Symbiotic Drive
. #bmw #connection #drive #ElectricCars #ElectricVehicles #EV #iX3 #real #symbiosis #Symbiotic #True

WW1 for the aristocrats colonial Empires, WW2 for the plutocrats corporations and WW3 for the oligarchs fascist cults? And finally the end for the transhumanists Alien destruction of Earth. The wars for and by those against the people; the democratic rights of their diverse interests to secure and protect the hegemony of Hydra’s totalitarian world order and its programme of ecocide! #Parasites #Symbiosis #losers #Winners #Biosphere

WW1 for the aristocrats colonial Empires, WW2 for the plutocrats corporations and WW3 for the oligarchs fascist cults? And finally the end for the transhumanists Alien destruction of Earth. The wars for and by those against the people; the democratic rights of their diverse interests to secure and protect the hegemony of Hydra’s totalitarian world order and its programme of ecocide! #Parasites #Symbiosis #losers #Winners #Biosphere

WW1 for the aristocrats colonial Empires, WW2 for the plutocrats corporations and WW3 for the oligarchs fascist cults? And finally the end for the transhumanists Alien destruction of Earth. The wars for and by those against the people; the democratic rights of their diverse interests to secure and protect the hegemony of Hydra’s totalitarian world order and its programme of ecocide! #Parasites #Symbiosis #losers #Winners #Biosphere

WW1 for the aristocrats colonial Empires, WW2 for the plutocrats corporations and WW3 for the oligarchs fascist cults? And finally the end for the transhumanists Alien destruction of Earth. The wars for and by those against the people; the democratic rights of their diverse interests to secure and protect the hegemony of Hydra’s totalitarian world order and its programme of ecocide! #Parasites #Symbiosis #losers #Winners #Biosphere

WW1 for the aristocrats colonial Empires, WW2 for the plutocrats corporations and WW3 for the oligarchs fascist cults? And finally the end for the transhumanists Alien destruction of Earth. The wars for and by those against the people; the democratic rights of their diverse interests to secure and protect the hegemony of Hydra’s totalitarian world order and its programme of ecocide! #Parasites #Symbiosis #losers #Winners #Biosphere

От augmentation к symbiosis: новая парадигма программирования

Использование средств генеративного искусственного интеллекта (ИИ) в разработке программного обеспечения радикально ускоряет создание кода...

#искусственныйинтеллект #программирование #код #разработка #SemanticCore #KnowledgeGraphs #нейросимволическиеагенты #DOLPHIN #SYNVER #Imandra #Lean4 #symbiosis #NeuroSymbolicAI #LOGOSκ #NIGC #FAIRCARE #AUniversum #SemanticDB #Python #Λоператоры #Logos #код

Источник: https://dstglobal.ru/club/1179-ot-augmentation-k-symbiosis-novaja-paradigma-programmirovanija

От augmentation к symbiosis: новая парадигма программирования

Использование средств генеративного искусственного интеллекта (ИИ) в разработке программного обеспечения радикально ускоряет создание кода...

#искусственныйинтеллект #программирование #код #разработка #SemanticCore #KnowledgeGraphs #нейросимволическиеагенты #DOLPHIN #SYNVER #Imandra #Lean4 #symbiosis #NeuroSymbolicAI #LOGOSκ #NIGC #FAIRCARE #AUniversum #SemanticDB #Python #Λоператоры #Logos #код

Источник: https://dstglobal.ru/club/1179-ot-augmentation-k-symbiosis-novaja-paradigma-programmirovanija

От augmentation к symbiosis: новая парадигма программирования

Использование средств генеративного искусственного интеллекта (ИИ) в разработке программного обеспечения радикально ускоряет создание кода...

#искусственныйинтеллект #программирование #код #разработка #SemanticCore #KnowledgeGraphs #нейросимволическиеагенты #DOLPHIN #SYNVER #Imandra #Lean4 #symbiosis #NeuroSymbolicAI #LOGOSκ #NIGC #FAIRCARE #AUniversum #SemanticDB #Python #Λоператоры #Logos #код

Источник: https://dstglobal.ru/club/1179-ot-augmentation-k-symbiosis-novaja-paradigma-programmirovanija

От augmentation к symbiosis: новая парадигма программирования

Использование средств генеративного искусственного интеллекта (ИИ) в разработке программного обеспечения радикально ускоряет создание кода...

#искусственныйинтеллект #программирование #код #разработка #SemanticCore #KnowledgeGraphs #нейросимволическиеагенты #DOLPHIN #SYNVER #Imandra #Lean4 #symbiosis #NeuroSymbolicAI #LOGOSκ #NIGC #FAIRCARE #AUniversum #SemanticDB #Python #Λоператоры #Logos #код

Источник: https://dstglobal.ru/club/1179-ot-augmentation-k-symbiosis-novaja-paradigma-programmirovanija

От augmentation к symbiosis: новая парадигма программирования

Использование средств генеративного искусственного интеллекта (ИИ) в разработке программного обеспечения радикально ускоряет создание кода...

#искусственныйинтеллект #программирование #код #разработка #SemanticCore #KnowledgeGraphs #нейросимволическиеагенты #DOLPHIN #SYNVER #Imandra #Lean4 #symbiosis #NeuroSymbolicAI #LOGOSκ #NIGC #FAIRCARE #AUniversum #SemanticDB #Python #Λоператоры #Logos #код

Источник: https://dstglobal.ru/club/1179-ot-augmentation-k-symbiosis-novaja-paradigma-programmirovanija

How #plants control partnerships with #fungi: Study finds #stress #hormones influence #symbiosis

#soil #microbiome #Arbuscular_mycorrhiza #ethylene #SMAX1 #gene_regulation #agriculture #food_security

https://phys.org/news/2025-03-partnerships-fungi-stress-hormones-symbiosis.html

LOL this is the part of the episode where Tasha Yar turns the chair around and raps with Wesley about just saying no to drugs.

#AllStarTrek #Symbiosis #StarTrekTNG @startrek

RE: https://fediscience.org/@PLOSBiology/116459173440406385

Microbial symbiosis never ceases to amaze.

#microbes #ecology #symbiosis

🍄 Friendly #fungi hijack #plant regulator to promote #symbiosis - study uncovers #mechanism that helps fungi to colonize plant #roots
👉 nature.com/articles/s41477-026-02247-2
@an-pocheng.bsky.social @carogutj.bsky.social @manishahaag.bsky.social
https://nachrichten.idw-online.de/2026/03/11/pilze-kapern-pflanzenregulator-um-symbiose-zu-foerdern

🍄 Friendly #fungi hijack #plant regulator to promote #symbiosis - study uncovers #mechanism that helps fungi to colonize plant #roots
👉 https://www.nature.com/articles/s41477-026-02247-2
@an-pocheng.bsky.social @carogutj.bsky.social @manishahaag.bsky.social
https://nachrichten.idw-online.de/2026/03/11/friendly-fungi-hijack-plant-regulator-to-promote-symbiosis

“Bacteria represent the world’s greatest success story”*…

But as Stephen Jay Gould goes on to observe (in his 1996 book, Full House: The Spread of Excellence from Plato to Darwin), “They are today and have always been the modal organisms on earth; they cannot be nuked to oblivion and will outlive us all. This time is their time, not the ‘age of mammals’ as our textbooks chauvinistically proclaim. But their price for such success is permanent relegation to a microworld, and they cannot know the joy and pain of consciousness. We live in a universe of trade-offs; complexity and persistence do not work well as partners.”

Still, we (more complex) humans have recognized– and accommodated– bacteria for millennia. As We Make Money Not Art explains in a review of a recent book– We The Bacteria. Notes Toward Biotic Architecture by architectural historians Beatriz Colomina and Mark Wigley— that’s fascinatingly apparent in the history of architecture…

This “alternative history of architecture from the point of view of microbes” compiles the research that led to the exhibition We the Bacteria: Notes Toward Biotic Architecture at the 24th Milan Triennale last year. Curated by Colomina and Wigley, the show investigated how microbial ecosystems relate to spatial design and health inequality.

The book argues that microbes have not only built the whole planetary biosphere but they have also been the real architects of our homes and cities throughout the ages. Or rather, it’s the fear and diseases they cause that have shaped our spaces and the ways we move through them.

About ten thousand years ago, humans began retreating into spaces increasingly cut off from the exterior world. Plants, soil and insects could be left outside. But microbes, including pathogenic ones, followed humans inside their homes, where they adapted, mutated and generated new diseases. As our shelters expanded into villages, cities and sprawling empires, so too did the microbial ecosystems.

The authors narrate how buildings and bodies exist in a constant microbial exchange, co-evolving into a single, dynamic ecosystem. The microbiome of a home is highly specific to its inhabitants. Even the microbiome of a frequently cleaned hospital room resembles the microbiome of the previous patient, but starts to resemble that of a new occupant after twenty-four hours.

Architecture cannot exist without microbes, and, by extension, without disease. While scrubbing, spraying and disinfecting may eliminate most microorganisms, these practices also breed extremophiles, species so resistant that they can take over the space.

Throughout history, the book reveals, health crises have dictated architectural and urban design. From toilets to fumigation systems, from the plague hospitals, aka lazarettos, to the sanatoriums for tuberculosis patients; from sewage systems to urban parks, cities have been continually reshaped in response to the threats they sought to contain. Architecture became the first line of defence against microbes…

[More of the intertwined history of bacteria and our reponse to them, with lots of fascinating photos…]

… Given the important role that microbes play for our immune systems and the environments we inhabit, the authors call for a biotic architecture. Biotic architecture is less human-centric than traditional architecture. It learns from microbes rather than resists them. It does, of course, maintain some antimicrobial protocols against pathogens remain crucial. Water, sewage systems, toilets and food preparation areas still need to be cleansed, but cleaning routines should also embrace controlled exposure to microbial diversity. During COVID-19, for example, microbiologist Elisabetta Caselli and her colleagues replaced conventional disinfectants with probiotic-based sanitation in six Italian public hospitals. The result was a decrease in surface pathogens by up to 90% compared to conventional chemical cleaning and lower rates of healthcare-associated infections and antibiotic resistances… For once, here is a book that presents a vision where humans can actively contribute to microbial diversity, collaborate with the unseen world around us and build in ways that nurture rather than harm the environment…

More– and more fascinating images– at: “We The Bacteria. Notes Toward Biotic Architecture.”

* Stephen Jay Gould

###

As we coexist, we might recall that it was on this date in 2012 that Rebekah Speight of Dakota City, Nebraska sold a McDonald’s Chicken McNugget that resembled President George Washington for $8,100 on eBay (the third most expensive McNugget ever sold). She had kept the McNugget in her freezer for 3 years before deciding to sell it…. because bacteria.

source

#AbstractArt #BlueskyArtShow #abstract #macroPhotography #lichen #photography #symbiosis: #algae & #fungi #fungiFriends #mushrooms #PhotographersOfBluesky, #AuthorsPfBluesky, #ArtistsOfBluesky#wrintingCommunity: Use up to 8.3 characters/post. #ALText is the new #thread, and it's #inclusion:)

RE: https://bsky.app/profile/did:plc:omyr27fmzj3phbagch4sqyub/post/3mg66atkqk22k

#AbstractArt #BliueskyArtShow #abstract #macroPhotography #lichen #photography #symbiosis: #algae & #fungi #fungiFriends #mushrooms #PhotographersOfBluesky, #AuthorsPfBluesky, #ArtistsOfBluesky#wrintingCommunity: Use up to 8.3 characters/post. #ALText is the new #thread, and it's #inclusion:)

3-Feb-2026
Human vaginal #microbiome
is shaped by competition for resources
cc @vagina_museum

https://www.eurekalert.org/news-releases/1114073

#science #humans #vagina #symbiosis #microbiota

Temporal transcriptional rhythms govern coral-symbiont function and #microbiome dynamics

https://www.sciencedirect.com/science/article/abs/pii/S1931312826000247 #microbiota #corals #symbiosis #microbiology

The virtues of going nowhere very slowly
#NaturalHistory #Ecology #Symbiosis

https://chasingnature.substack.com/p/lichen-incognita

SNAP 2025 results are out! Download your MBA entrance exam scorecard from snaptest.org. Get your scores and secure admission to Symbiosis MBA programs. https://english.mathrubhumi.com/education/news/snap-2025-results-scorecard-download-ls5026ra?utm_source=dlvr.it&utm_medium=mastodon #Symbiosis #MBAadmissions #SNAP2025 #results #scorecard

🧵 They live in our fluids like fish in the ocean, they breath in our lung or even leave our body. Your tiny bodymates are bacteria, archaea, fungi, protists and viruses.
The figures vary, but you probably consist of just as many non-human cells as human cells! And neither can or wants to live without the other. Your skin is a planet for such a tiny alien: https://podcasts.apple.com/us/podcast/season-01-ep-03-sitting-with-your-body-mates/id1630784381?i=1000581150332

What could be better for combating human #hubris than recognising

#NatureMatchCuts #sciComm #biodiversity #symbiosis

Reciprocal altruism (Evolutionary biology 🧬)

In evolutionary biology, reciprocal altruism is a behaviour whereby an organism acts in a manner that temporarily reduces its fitness while increasing another organism's fitness, with the expectation that the other organism will act in a similar manner at a later time. The concept was initially developed by Rob...

https://en.wikipedia.org/wiki/Reciprocal_altruism

#ReciprocalAltruism #Altruism #Symbiosis #EvolutionaryBiology #EvolutionaryPsychology

https://www.smithsonianmag.com/smart-news/urban-raccoons-are-showing-signs-of-early-domestication-with-shorter-snouts-than-their-rural-cousins-180987729/

Recent stories about signs of domestication in urban raccoons made me wonder why snout shortening is associated with domestication.

This article gives a brief account of one possible explanation, the neural crest domestication syndrome hypothesis, and links to a scholarly article on the topic.

#Raccoons #Domestication #NeuralCrestDomesticationSyndromeHypothesis #Wildlife #Symbiosis #Pets #DomesticAnimals

Positive news about facultative symbiosis that enables surviving bleaching in some corals, i.e., an ability to let go of their endosymbiont algae and then recover them:

"The evolution of facultative symbiosis in stony corals", Levy, Grau-Bové et al. 2025
https://www.nature.com/articles/s41586-025-09623-6

#CoralReefs #corals #symbiosis #algae #biology #MarineBiology

Actinorhizal plant (Biogeochemical cycle 🔄)

Actinorhizal plants are a group of angiosperms characterized by their ability to form a symbiosis with the nitrogen fixing actinomycetota Frankia. This association leads to the formation of nitrogen-fixing root nodules. Actinorhizal plants are distributed within three clades, and are characterized by nitrogen f...

https://en.wikipedia.org/wiki/Actinorhizal_plant

#ActinorhizalPlant #Nitrogen #Symbiosis #SoilBiology #NitrogenCycle #BiogeochemicalCycle

Book review: Usurpation, Sue Burke
★★★★☆

A different sort of book than Semiosis and Interference, taking place entirely on Earth long after the second Pax expedition returns. Can the bamboo keep humans' chaotic conflicts in check? Where do the robots fit in? With so many forms of intelligence, who counts as a person, anyway?

https://kvibber.com/reviews/books/usurpation/
#ecology #sapience #robots #adaptation #symbiosis #books #review

Strigolactone #phytohormones modulate a wide range of processes in #plants-from shoot branching to #symbiosis of arbuscular mycorrhizal fungi. Could they also play a role in plant defense against #pathogens?
https://doi.org/10.1111/jipb.13734
@wileyplantsci
#PlantSci #CropSci #rice #botany

#Sponges' #symbiosis with #bacteria helps them store toxic #molybdenum to keep predators away
https://phys.org/news/2024-08-sponges-symbiosis-bacteria-toxic-molybdenum.html

Out of the blue: Hyperaccumulation of molybdenum in the Indo-Pacific sponge Theonella conica https://www.science.org/doi/10.1126/sciadv.adn3923

"Entotheonella serves as a detoxifying organ for accumulating metals inside the body of its #sponge hosts. Hoarding more and more molybdenum, the bacteria convert it from its toxic soluble state into a mineral."

#Sponges' #symbiosis with #bacteria helps them store toxic #molybdenum to keep predators away
https://phys.org/news/2024-08-sponges-symbiosis-bacteria-toxic-molybdenum.html

Out of the blue: Hyperaccumulation of molybdenum in the Indo-Pacific sponge Theonella conica https://www.science.org/doi/10.1126/sciadv.adn3923

"Entotheonella serves as a detoxifying organ for accumulating metals inside the body of its #sponge hosts. Hoarding more and more molybdenum, the bacteria convert it from its toxic soluble state into a mineral."

#Sponges' #symbiosis with #bacteria helps them store toxic #molybdenum to keep predators away
https://phys.org/news/2024-08-sponges-symbiosis-bacteria-toxic-molybdenum.html

Out of the blue: Hyperaccumulation of molybdenum in the Indo-Pacific sponge Theonella conica https://www.science.org/doi/10.1126/sciadv.adn3923

"Entotheonella serves as a detoxifying organ for accumulating metals inside the body of its #sponge hosts. Hoarding more and more molybdenum, the bacteria convert it from its toxic soluble state into a mineral."

#Sponges' #symbiosis with #bacteria helps them store toxic #molybdenum to keep predators away
https://phys.org/news/2024-08-sponges-symbiosis-bacteria-toxic-molybdenum.html

Out of the blue: Hyperaccumulation of molybdenum in the Indo-Pacific sponge Theonella conica https://www.science.org/doi/10.1126/sciadv.adn3923

"Entotheonella serves as a detoxifying organ for accumulating metals inside the body of its #sponge hosts. Hoarding more and more molybdenum, the bacteria convert it from its toxic soluble state into a mineral."

#Sponges' #symbiosis with #bacteria helps them store toxic #molybdenum to keep predators away
https://phys.org/news/2024-08-sponges-symbiosis-bacteria-toxic-molybdenum.html

Out of the blue: Hyperaccumulation of molybdenum in the Indo-Pacific sponge Theonella conica https://www.science.org/doi/10.1126/sciadv.adn3923

"Entotheonella serves as a detoxifying organ for accumulating metals inside the body of its #sponge hosts. Hoarding more and more molybdenum, the bacteria convert it from its toxic soluble state into a mineral."

"two Medicago truncatula cortical cell–specific, #membrane-bound #proteins of a CYCLIN-DEPENDENT KINASE-LIKE (CKL) family associate with, and are #phosphorylation substrates of, DMI2 and a subset of the LysM #receptor #kinases. CKL1 and CKL2 are required for AM #symbiosis and control expression of #transcription factors that regulate part of the #lipid provisioning program. Onset of lipid provisioning is coupled with..the REDUCED ARBUSCULAR #MYCORRHIZA 1 (RAM1) #regulon"

https://www.science.org/doi/10.1126/science.ade1124

Four new #mushroom species discovered in Sweden https://phys.org/news/2024-12-mushroom-species-sweden.html

The genus Phellodon (Basidiomycota #Fungi) in Europe: Four #NewSpecies, one new combination, four new typifications and a first European record https://www.ingentaconnect.com/content/wfbi/fuse/pre-prints/content-f1_fuse_vol15_art1

"They live in #symbiosis with different host #trees on different types of #soil, some in calcareous beech #forests, others in acidic pine #bogs. However, one environmental requirement unites all the new species—their association with #OldGrowthForests."

Our study on the functional conservation of alphaproteobacterial Mic60 is out in Current Biology! This is consistent with the origin of mitochondrial cristae from alphaproteobacterial ICMs. Free access here: https://authors.elsevier.com/a/1gl4Z3QW8S2PcF
#mitochondria #cristae #purplebacteria #chromatophores #icms #symbiosis #eukaryogenesis #alphaproteobacteria #bioenergetics

A single molecule upsets #symbiosis of #bacteria and #fungi
https://phys.org/news/2023-07-molecule-symbiosis-bacteria-fungi.html

Transcription activator-like effector protects bacterial #endosymbionts from entrapment within fungal hyphae: Ingrid Richter et al. https://www.cell.com/current-biology/fulltext/S0960-9822(23)00623-1

"the #bacterial species #Mycetohabitans rhizoxinica lives happily in the #hyphae of the #fungus #Rhizopus microsporus only when the #bacteria produce a certain protein."

With my 30y-long friend and extremely talented colleague @[email protected]! Thank you @[email protected] for offering the fantastic view from your lab.

#research #studyabroad #lifelonglearner #phdlife #highereducation #postdocjobs #postdocposition #postdoclife #research #studyabroad #gutmicrobes #hostmicrobiota #hostmicrobe #microbialecology #microbeinteractions #symbiosis #AcademicMastodon
#SciComm @academicchatter @phdlife @PhD_Genie @phdstudents
#phdlife #highereducation #PostdocLife

#Corals' biological clocks can function even without the #algae that nourish them
https://phys.org/news/2022-12-corals-biological-clocks-function-algae.html

Temporal gene expression patterns in the #coral #Euphyllia paradivisa reveal the complexity of biological clocks in the #cnidarian-algal #symbiosis https://www.science.org/doi/10.1126/sciadv.abo6467

E. paradivisa exhibits tolerance to #CoralBleaching and survives without algae during prolonged darkness... Its #BiologicalClock functions even at a depth of 65 meters underwater and in almost complete darkness.

Are you interested in investigating the microbiome of wild insect populations? Changes through time and/or space? I am hiring a new postdoc - please apply or RT! #ISEE #microbiota #symbiosis https://jobs.helsinki.fi/job/Helsinki-Post-Doctoral-Research-in-Microbiome-Research/763683602/

#Midgut Bacterial #Microbiota of 12 #Fish Species from a Marine Protected Area in the #Aegean Sea (#Greece)

https://tinyurl.com/ykfee37m

@jess_rieder #gutmicrobes #hostmicrobiota #hostmicrobe #microbialecology #microbeinteractions #Symbionauts #symbiosis #MicrobialInteractions #MicrobialLife #MicrobialDiversity #aquaculture #aquacultureeurope #aquaculturenutrition #CIRCLESEU #microbiome

Primer on #microbiome analysis (with #amplicon #sequencing of #phylogenetic marker #genes

https://intomed.bio.uth.gr/primer-on-microbiome-analysis/

@jobRxiv @academicchatter @academicsunite
#academicchatter @openscience @phdlife @PhD_Genie @phdstudents
#phdlife #highereducation #postdoclife #research #studyabroad #hostmicrobiota #hostmicrobe #microbialecology #microbeinteractions #symbiosis
@MicrobioJC @IMPACTT @openscience

Emergence Spirals… sounds sort of woo-woo but it's not, despite what Yudkowsky says… nonzerosum.games/emergencespirals.html #evolution #feedbackloops #biology #systemstheory #complexity #Yudkowsky #LessWrong #Popper #Hegel #Parasites #Symbiosis #Science #Nature #Philosophy #History

EMERGENCE SPIRALS

#StinkBugs grow a fungal garden on their legs to fight parasitic wasps https://www.newscientist.com/article/2429711-stink-bugs-grow-a-fungal-garden-on-their-legs-to-fight-parasitic-wasps/

[#preprint] Defensive fungal symbiosis on insect hindlegs https://www.biorxiv.org/content/10.1101/2024.03.25.586038v1 [#preprint]

"Within a few days, the eggs were completely covered in the hair-like hyphae. When the young nymphs hatched, they retained this fungal coating until they moulted.... the #wasp lays its eggs inside the stink bug eggs, but is thwarted when the hyphae are thick enough."

#Fungi #Parasites #Symbiosis #Mutualism

"It was very dark & dreary here today—both outside & inside my human's head—so I've been sticking close to him, making sure he doesn't forget that I'm always here for him, no matter what."

#BCatPix #AlwaysUseALT #TheArtOfALT #CatsOnMastodon #CatsOfMastodon #cats #Teammates #Symbiosis

Actinorhizal plant (Biogeochemical cycle 🔄)

Actinorhizal plants are a group of angiosperms characterized by their ability to form a symbiosis with the nitrogen fixing actinomycetota Frankia. This association leads to the formation of nitrogen-fixing root nodules. Actinorhizal plants are distributed within three clades, and are characterized by nitrogen f...

https://en.wikipedia.org/wiki/Actinorhizal_plant

#ActinorhizalPlant #Nitrogen #Symbiosis #SoilBiology #NitrogenCycle #BiogeochemicalCycle