{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.cladosiphon-okamuranus","code":"thing-q1018095","url":"https://ver.cy/models/thing/q1018095/","name":"Cladosiphon okamuranus","alternateNames":[],"kind":"thing","status":"published","version":"0.1.0-research.1","language":"en","classifiers":{"family":"Thing Registry","category":"Physical world and living systems","entryKind":"thing","plane":"PHY","domain":["PHY.LIV"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"Cladosiphon okamuranus is a species of marine brown alga, commonly called Okinawa mozuku, cultivated in Japan for its edible, mucilaginous thallus.","purpose":"Enable an agent to identify Cladosiphon okamuranus, assess its biological and cultivation state, and choose evidence-supported handling or propagation actions.","scope":{"in":["Species identification and separation from other seaweeds sold as mozuku","Strain identity, collection provenance and culture lineage","Microscopic and macroscopic life stages, reproductive state and viability","Habitat conditions and measured biological responses","Seed culture, attachment, sporophyte development and harvest readiness","Biological provenance linking harvested biomass to its source population"],"out":["Prepared mozuku foods, recipes and packaged product specifications","Purified fucoidan and other extracted substances","Clinical efficacy or therapeutic claims about consumption or extracts","Farm infrastructure, business operations and supply-chain management","Other mozuku species as independent taxa"],"boundaries":[]},"distinguishingFeatures":["Require species-level identification: the market name mozuku alone cannot distinguish Cladosiphon okamuranus from Nemacystus decipiens. [Comparative genomics study](https://pmc.ncbi.nlm.nih.gov/articles/PMC7318753/)","Compare thallus diameter, branching and texture with authenticated material while allowing for strain variation; gross appearance alone is insufficient because Nemacystus decipiens can look similar. [Comparative genomics study](https://pmc.ncbi.nlm.nih.gov/articles/PMC7318753/)","Use molecular evidence tied to an authenticated reference when morphology is inconclusive, recording the marker, reference accession and identification confidence.","Separate microscopic germlings from harvestable sporophytes and establish ploidy when selecting propagation material: edible sporophytes develop from diploid germlings. [Life-cycle and marker study](https://onlinelibrary.wiley.com/doi/10.1111/pre.12489)","Distinguish intact algal material from an extract or prepared food; a product derived from this species is not itself a living instance of the species."],"structure":{"bundles":[{"id":"species-and-strain-identity","name":"Species and strain identity","description":"Establish what biological material is represented and how securely it is identified.","layers":[{"id":"mozuku-species-boundary","name":"Mozuku species boundary","description":"Separate the registered species from similar algae and commercial naming.","findings":[{"id":"authenticated-species-assignment","name":"Authenticated species assignment","description":"Record identification evidence independently of the name on a culture or food label.","questions":[{"text":"What morphological or molecular evidence assigns this material to Cladosiphon okamuranus rather than Nemacystus decipiens or another mozuku species?","id":"authenticated-species-assignment-q01","kind":"definition"},{"text":"Which authenticated specimen, sequence accession or taxonomic reference supports that assignment?","id":"authenticated-species-assignment-q02","kind":"provenance"}]}]},{"id":"strain-lineage","name":"Strain lineage","description":"Connect observed variation to a documented isolate and propagation history.","findings":[{"id":"traceable-isolate","name":"Traceable isolate","description":"Treat strain labels as provenance claims that need a link to source cultures.","questions":[{"text":"Which isolate, collection locality and parent culture produced this cohort?","id":"traceable-isolate-q01","kind":"provenance"},{"text":"Which branching, size or texture differences are documented for this strain under comparable growth conditions?","id":"traceable-isolate-q02","kind":"measurement"}]}]}]},{"id":"life-cycle-and-propagation-state","name":"Life cycle and propagation state","description":"Represent developmental form, ploidy and reproductive potential.","layers":[{"id":"developmental-form","name":"Developmental form","description":"Distinguish microscopic cultures, attached forms and erect thalli.","findings":[{"id":"observed-stage","name":"Observed stage","description":"Separate directly observed form from inferred life-cycle identity.","questions":[{"text":"Is the material a microscopic germling, attached discoid form or erect sporophyte, and what microscopy supports that description?","id":"observed-stage-q01","kind":"definition"},{"text":"What observed transition links this form to its preceding culture stage?","id":"observed-stage-q02","kind":"provenance"}]}]},{"id":"ploidy-and-reproduction","name":"Ploidy and reproduction","description":"Resolve the biological properties needed to select propagation material.","findings":[{"id":"propagation-competence","name":"Propagation competence","description":"Record ploidy and any applicable sex determination with evidence before predicting developmental outcomes.","questions":[{"text":"What assay establishes haploid or diploid status, and does a validated sex marker apply to this culture?","id":"propagation-competence-q01","kind":"measurement"},{"text":"Does the demonstrated life-cycle state support retaining this culture as seed material for erect sporophyte production?","id":"propagation-competence-q02","kind":"action"}]}]}]},{"id":"habitat-and-environmental-response","name":"Habitat and environmental response","description":"Relate source habitat and exposure conditions to the state of the alga.","layers":[{"id":"occurrence-and-substrate","name":"Occurrence and substrate","description":"Record where the organism occurs and what it is attached to.","findings":[{"id":"documented-occurrence","name":"Documented occurrence","description":"Keep wild collection, cultivation presence and inferred distribution distinct.","questions":[{"text":"Was this occurrence wild or cultivated, and what dated locality evidence supports it?","id":"documented-occurrence-q01","kind":"provenance"},{"text":"What substrate, depth and attachment relationship were observed for this developmental form?","id":"documented-occurrence-q02","kind":"measurement"}]}]},{"id":"stage-specific-response","name":"Stage-specific response","description":"Connect measured environmental exposure to growth or deterioration.","findings":[{"id":"supported-operating-conditions","name":"Supported operating conditions","description":"Represent suitable conditions as evidence tied to strain, stage and exposure duration.","questions":[{"text":"Under what measured temperature, salinity, light and nutrient conditions did this strain attach, develop or deteriorate?","id":"supported-operating-conditions-q01","kind":"measurement"},{"text":"Which condition changes are supported by observations at the same developmental stage?","id":"supported-operating-conditions-q02","kind":"action"}]}]}]},{"id":"seed-establishment-and-crop-development","name":"Seed establishment and crop development","description":"Follow biological progress from seed culture through attachment to erect growth.","layers":[{"id":"seed-and-attachment","name":"Seed and attachment","description":"Assess the identity, viability and establishment of inoculated material.","findings":[{"id":"established-seed-cohort","name":"Established seed cohort","description":"Record what was inoculated and what remains attached and viable.","questions":[{"text":"Which verified culture supplied the seed, and what inoculation date and density were recorded?","id":"established-seed-cohort-q01","kind":"provenance"},{"text":"What fraction or density of the inoculum is attached and viable on the sampled cultivation substrate?","id":"established-seed-cohort-q02","kind":"measurement"}]}]},{"id":"erect-growth-and-condition","name":"Erect growth and condition","description":"Track conversion of established material into a growing sporophyte cohort.","findings":[{"id":"crop-development-assessment","name":"Crop development assessment","description":"Use observed erect development, biomass and tissue condition to assess cohort progress.","questions":[{"text":"What proportion of attached units develops erect thalli, and how do dimensions and biomass change over the observation interval?","id":"crop-development-assessment-q01","kind":"measurement"},{"text":"Do poor development, tissue deterioration or visible fouling justify investigation or a change in culture management?","id":"crop-development-assessment-q02","kind":"action"}]}]}]},{"id":"harvest-and-derived-material-boundary","name":"Harvest and derived material boundary","description":"Assess the organism at harvest and preserve its identity through transfer to downstream models.","layers":[{"id":"biological-harvest-readiness","name":"Biological harvest readiness","description":"Evaluate the crop against an explicit biological harvest objective.","findings":[{"id":"harvestable-cohort","name":"Harvestable cohort","description":"Keep readiness criteria specific to the strain, intended biomass and observed crop condition.","questions":[{"text":"What thallus dimensions, tissue condition and biomass criteria define readiness for this harvest objective?","id":"harvestable-cohort-q01","kind":"definition"},{"text":"Does the sampled cohort meet those criteria, or should growth continue or the cohort be investigated?","id":"harvestable-cohort-q02","kind":"action"}]}]},{"id":"biomass-handoff","name":"Biomass handoff","description":"Preserve biological provenance when biomass becomes food or extraction feedstock.","findings":[{"id":"derived-lot-linkage","name":"Derived lot linkage","description":"Link downstream lots to the harvested organism without inheriting untested food-safety or extract-performance claims.","questions":[{"text":"Which identified strain, cultivation cohort, harvest date and measured biomass supplied this downstream lot?","id":"derived-lot-linkage-q01","kind":"provenance"},{"text":"At which processing step should food condition, composition or purified fucoidan properties be assessed in a neighbouring model?","id":"derived-lot-linkage-q02","kind":"boundary"}]}]}]},{"id":"evidence-and-external-alignment","name":"Evidence and external alignment","description":"What the world already says about this thing, gathered so the model can be checked against it.","layers":[{"id":"reported-evidence","name":"Reported evidence","description":"Findings from the breadth pass, kept separate from the structural claims.","findings":[{"id":"evidence-confidence-notes","name":"Check these first","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these check these first hold for the sense of Cladosiphon okamuranus this model covers, and on what evidence?","id":"evidence-confidence-notes-q01","kind":"provenance"}]},{"id":"evidence-identifiers","name":"Identifiers and schemes","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these identifiers and schemes hold for the sense of Cladosiphon okamuranus this model covers, and on what evidence?","id":"evidence-identifiers-q01","kind":"provenance"}]},{"id":"evidence-standards-and-regulation","name":"Standards and regulation","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these standards and regulation hold for the sense of Cladosiphon okamuranus this model covers, and on what evidence?","id":"evidence-standards-and-regulation-q01","kind":"provenance"}]},{"id":"evidence-real-world-use","name":"Real-world use","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these real-world use hold for the sense of Cladosiphon okamuranus this model covers, and on what evidence?","id":"evidence-real-world-use-q01","kind":"provenance"}]},{"id":"evidence-failure-modes-and-hazards","name":"Failure modes and hazards","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these failure modes and hazards hold for the sense of Cladosiphon okamuranus this model covers, and on what evidence?","id":"evidence-failure-modes-and-hazards-q01","kind":"provenance"}]},{"id":"evidence-regional-variation","name":"Regional variation","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these regional variation hold for the sense of Cladosiphon okamuranus this model covers, and on what evidence?","id":"evidence-regional-variation-q01","kind":"provenance"}]},{"id":"evidence-neighbours","name":"Neighbouring kinds and how to tell them apart","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these neighbouring kinds and how to tell them apart hold for the sense of Cladosiphon okamuranus this model covers, and on what evidence?","id":"evidence-neighbours-q01","kind":"provenance"}]}]}]}]},"agentConduct":{"may":["Identify Okinawa mozuku and describe its cultivation and culinary use.","Report the origin, harvest date and processing of seaweed in a supply chain.","Share food safety and storage guidance from the producer's label."],"mustNot":["Present mozuku or its extracts as a cure or treatment without clinical evidence.","Mislabel the species, origin or farming method of seaweed for sale.","Advise harvesting seaweed from protected or polluted waters.","Introduce cultivated seaweed into waters outside its native range without approval."],"requiresHuman":["Decisions on releasing or recalling seaweed products after a contamination finding."]},"ethics":{"considerations":["Seaweed farming supports coastal communities and depends on clean waters.","Health claims for seaweed extracts can mislead consumers."],"affectedParties":["Consumers","Seaweed farmers","Coastal ecosystems"]},"owners":{"steward":"The farmer or harvester; food safety authorities oversee the products.","roles":[],"masterSystems":[]},"relations":[{"target":"Q66768684","type":"parent","note":"registry parent class"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.cladosiphon-okamuranus","Wikidata: Q1018095 (https://www.wikidata.org/wiki/Q1018095)"]},"properties":{"applicability":"required","items":["Species identification confidence: unverified | provisional | corroborated; supporting method and reference","Strain and culture lineage: Authenticated strain or isolate identifier, parent culture and passage history","Observed developmental form: microscopic germling | attached discoid form | erect sporophyte | reproductive structure | unresolved","Ploidy and sex determination: Ploidy: haploid | diploid | unresolved; sex: male | female | not applicable | unresolved; assay recorded","Thallus dimensions and branching: Length in cm, diameter in mm, lateral branch count and measurement position","Culture environment: Temperature in °C, salinity with scale specified, irradiance in µmol photons m−2 s−1 and photoperiod in h/day","Attachment and erect development: Attached viable units per cm² and percentage developing erect thalli over a stated interval","Viability and tissue condition: growing | apparently viable | deteriorating | dead | unresolved; observation method","Biomass and growth: Wet or dry mass in g, sampled area in m² and growth interval in days"]},"recognition":{"applicability":"required","items":["Fine, slippery brown strands with a mucilaginous coating.","Sold fresh, salted or in vinegar-dressed portions in small cups."]},"capabilities":{"applicability":"required","items":["Authenticate a specimen or culture using morphological and molecular evidence","Trace a cultivation cohort to its strain, parent culture and collection locality","Select propagation material after resolving its developmental state and ploidy","Monitor attachment, erect development and growth under recorded conditions","Adjust culture conditions within strain- and stage-supported operating ranges","Assess biological harvest readiness and link the resulting biomass to a separate food or material record"]},"hazards":{"applicability":"required","items":["Seaweed can accumulate contaminants from polluted waters.","High iodine content in seaweed products can affect people with thyroid conditions."]},"interfaces":{"applicability":"required","items":["The International Code of Nomenclature for algae, fungi, and plants, adopted by the International Botanical Congress, governs the scientific naming of this species."]},"context":{"applicability":"required","items":["This marine brown alga occurs in warm coastal waters and is cultivated in Japan, especially around Okinawa, as an edible seaweed.","Cultivation and food handling require attention to species identity, growth stage, water quality and the condition of its mucilaginous thallus."]}},"sources":[{"title":"Wikidata item Q1018095: Cladosiphon okamuranus","url":"https://www.wikidata.org/wiki/Q1018095","note":"identity and sense of the item"},{"title":"Wikipedia: Cladosiphon okamuranus","url":"https://en.wikipedia.org/wiki/Cladosiphon_okamuranus","note":"general description of the item"}],"openQuestions":["Which current authoritative taxonomic record and validated molecular markers should anchor identification, especially against other Cladosiphon species?","Which morphological characters reliably separate Cladosiphon okamuranus from similar mozuku across strains and developmental stages?","What temperature, salinity, light and nutrient operating ranges are experimentally supported for each relevant strain and life stage?","Which assays reliably establish ploidy, sex and sporophyte-producing competence across the cultures this registry will represent?","Which harvest-readiness and deterioration criteria are supported by local cultivation evidence, and which require downstream food or material testing?"],"resources":{"spec":"/models/things/publications/thing-q1018095/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q1018095/spec.json"],"providers":["Codex"],"researchStatus":"unreviewed","generatedAt":"2026-09-12T08:42:56Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"filled","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-07T10:10:25+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass"},"score":1.0}}