{ "model": { "rank": 4719, "code": "thing-q2625603", "model_id": "vr.tr.population", "name": "population", "purpose": "Let an agent handle populations by species or group, area, time, size and trend, with sourced estimates and uncertainty.", "family": "Thing Registry", "category": "Cross-cutting context", "status": "research-draft", "kind": "thing", "plane": "XCT", "domain": "XCT.QTY", "industry": "", "version": "", "url": "/models/thing/q2625603/", "tier": 2, "score": 73, "payload": { "layer": "wikidata", "aliases": [ "deer in Nara", "fish populations", "animal population", "invasive population", "virgin population", "native population", "plant population", "vicariant", "wildlife population", "sub-population", "ghost population", "stable population", "viral quasispecies", "hybrid swarm", "morph", "minimum population", "non-permanent population", "Population Impact Measures", "cryptic species complex", "threshold population", "underserved population", "bee colony", "metapopulation", "stratum" ], "aliasCount": 24, "merged": 25, "knownIn": 73, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": "vr.tr.population-act", "source": { "dataset": "wikidata", "item": "Q2625603", "url": "https://www.wikidata.org/wiki/Q2625603", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-11T06:00:55Z", "providers": [ "Claude" ], "breadth": "written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify", "pass": 2, "wave": 1, "engine": "claude" }, "metaModel": { "id": "THING-Q2625603", "registryId": "vr.tr.population", "name": "population", "version": "0.2.0-wave.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "XCT.QTY" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q2625603/", "model": { "registry_id": "vr.tr.population", "name": "population", "purpose": "Let an agent handle populations by species or group, area, time, size and trend, with sourced estimates and uncertainty.", "definition": "All the organisms of the same group or species living in a particular area at a given time, and the number of such organisms as a statistic.", "what_it_is_for": "Tracking and managing organisms, from wildlife to fish stocks and invasive species.", "affordances": [ "count or estimate it", "monitor trends", "manage it, through conservation or control", "model its dynamics" ], "distinguishing_features": [ "Same group in one area and time", "Size is usually estimated with uncertainty", "Native, invasive and managed populations differ", "Human population is a separate entry" ], "appearance": "Groups of organisms in an area; numbers in surveys and reports.", "visual_identification": [ "Survey counts and estimates", "Population trend charts", "Examples such as the deer of Nara or fish stocks" ], "physical_properties": [], "families_and_kinds": [ "wildlife populations", "fish stocks", "invasive populations", "captive and managed populations", "microbial populations" ], "related_models": [ { "relation": "is made of", "target": "organism", "why": "members" }, { "relation": "has kind", "target": "human population", "why": "people" }, { "relation": "is studied by", "target": "ecology", "why": "population ecology" }, { "relation": "is measured as", "target": "statistic", "why": "count" } ], "identifiers": [], "standards_and_regulation": [ "IUCN Red List criteria", "Fisheries management rules", "Invasive species regulations" ], "failure_modes_and_hazards": [ "Treating estimates as exact counts", "Comparing surveys with different methods", "Revealing locations of vulnerable populations" ], "in_scope": [], "out_of_scope": [], "characteristics": [] }, "sources": [], "structure": { "bundles": [ { "id": "definition", "name": "Definition", "description": "Which population.", "rationale": "Species, area and time define it.", "layers": [ { "id": "group", "name": "Group", "description": "Species or group.", "findings": [ { "id": "group-finding", "name": "Group", "description": "Group and area.", "questions": [ { "text": "Which species or group, in which area?", "kind": "definition" }, { "text": "At what time?", "kind": "definition" } ] } ] }, { "id": "status", "name": "Status", "description": "Native, invasive, managed.", "findings": [ { "id": "status-finding", "name": "Status", "description": "Status.", "questions": [ { "text": "Is the population native, invasive or managed?", "kind": "boundary" }, { "text": "Is it protected?", "kind": "boundary" } ] } ] } ] }, { "id": "size", "name": "Size", "description": "How many.", "rationale": "Estimates need methods.", "layers": [ { "id": "estimate", "name": "Estimate", "description": "Count or model.", "findings": [ { "id": "estimate-finding", "name": "Estimate", "description": "Size estimate.", "questions": [ { "text": "How large is the population, by which method?", "kind": "measurement" }, { "text": "What is the confidence interval?", "kind": "measurement" } ] } ] }, { "id": "trend", "name": "Trend", "description": "Change.", "findings": [ { "id": "trend-finding", "name": "Trend", "description": "Trend over time.", "questions": [ { "text": "Is it growing or declining?", "kind": "measurement" }, { "text": "Over what period?", "kind": "provenance" } ] } ] } ] }, { "id": "drivers", "name": "Drivers", "description": "Why it changes.", "rationale": "Drivers guide management.", "layers": [ { "id": "factors", "name": "Factors", "description": "Food, predation, habitat.", "findings": [ { "id": "factors-finding", "name": "Factors", "description": "Drivers of change.", "questions": [ { "text": "What drives changes in this population?", "kind": "definition" }, { "text": "How strong is the evidence?", "kind": "measurement" } ] } ] }, { "id": "models", "name": "Models", "description": "Projections.", "findings": [ { "id": "models-finding", "name": "Models", "description": "Population models.", "questions": [ { "text": "What do models project?", "kind": "provenance" }, { "text": "Under which assumptions?", "kind": "boundary" } ] } ] } ] }, { "id": "management", "name": "Management", "description": "Conservation and control.", "rationale": "Management acts on evidence.", "layers": [ { "id": "actions", "name": "Actions", "description": "Measures.", "findings": [ { "id": "actions-finding", "name": "Actions", "description": "Management actions.", "questions": [ { "text": "Which management actions apply?", "kind": "action" }, { "text": "Are they effective?", "kind": "measurement" } ] } ] }, { "id": "data", "name": "Data sensitivity", "description": "Locations.", "findings": [ { "id": "data-finding", "name": "Sensitivity", "description": "Sensitive data.", "questions": [ { "text": "Should precise locations be withheld?", "kind": "boundary" }, { "text": "Who may access them?", "kind": "boundary" } ] } ] } ] } ] }, "openQuestions": [ "Should populations be instances by species and area?", "How should survey methods be recorded?", "How should sensitive location data be protected?" ], "statistics": { "bundles": 4, "layers": 8, "findings": 8, "questions": 16 } }, "draft": { "generator": "vr.draft.v3", "status": "draft-generated", "researched": false, "archetype": "unit, quantity or measure", "method": "Written from the archetype playbook - what this kind of thing needs beyond identity and provenance - and from the structure that recurred across 6,333 models already researched by two engines. Applied to this entry by rule. No source was read for this thing and no claim here is researched. This entry carries no facets of its own, so they were inferred from its domain - a guess about a whole domain applied to one thing.", "facetsInferred": true, "nextPass": "A researcher replaces this draft with a sourced specification. Treat every sentence below as a proposal to argue with.", "purpose": "Give an agent a durable, checkable way to recognise a population, record what state it is in, and decide what may be done with it.", "whatItIs": "Let an agent handle populations by species or group, area, time, size and trend, with sourced estimates and uncertainty.", "characteristics": { "substance": "abstract", "origin": "conceptual", "agency": "inert" }, "whatYouCanDoWithIt": [ "observed and measured" ], "distinguishingFeatures": [ "Names folded into this entry, which a task may need to split apart again: deer in Nara, fish populations, animal population, invasive population, virgin population, native population, plant population, vicariant, wildlife population, sub-population, ghost population, stable population.", "25 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 73 Wikipedia languages, which is a measure of how widely the thing is known, not of how important it is." ], "openQuestionsForResearch": [ "Which of the bundles below does a real task actually need, and which are ceremony?", "What does this thing have that the facets do not capture at all?", "Which neighbouring kind is most often confused with a population, and on what evidence are they told apart?" ], "whatItIsMadeOf": "an abstraction with no physical instance", "physicalCharacter": [ "Does nothing on its own; everything it does, something else did to it.", "These come from the domain this entry sits in rather than from the entry itself, so treat them as a first guess about the whole domain applied to one thing." ], "whatCanBeDoneWithIt": [ "observe it, measure it, record its state" ], "howItIsRecognised": [ "Nothing to see: a unit is a convention. What is seen is an instrument reading in it." ], "relatedModels": [ { "relation": "covers", "note": "Finer kinds folded into this entry because telling them apart needs a task that asks for it. Each is a model waiting to be split out when one does.", "targets": [ "deer in Nara", "fish populations", "animal population", "invasive population", "virgin population", "native population", "plant population", "vicariant", "wildlife population", "sub-population", "ghost population", "stable population" ] } ], "standing": "Described in 73 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 25 finer distinctions are held inside this entry as names rather than as separate models.", "structure": { "bundles": [ { "id": "identity-and-classification", "name": "Identity, naming and classification", "description": "How an agent tells one population from another, and a population from things that resemble it.", "rationale": "Recognition comes before every other claim. Without stable identity nothing else in the model can be trusted to be about the same thing twice.", "layers": [ { "id": "naming-and-identifiers", "name": "Names and identifiers", "description": "The names this thing goes by and the identifiers that survive translation and time.", "findings": [ { "id": "preferred-name-and-aliases", "name": "Preferred name, aliases and local names", "description": "Which name to use, which names mean the same thing, and which merely sound similar.", "questions": [ { "id": "preferred-name-and-aliases-q01", "text": "What identifies and describes the name of a population, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "preferred-name-and-aliases-q02", "text": "Who or what asserted this about the name of a population, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "preferred-name-and-aliases-q03", "text": "What may an agent decide or do once the name of a population is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] }, { "id": "stable-identifiers", "name": "Stable identifiers and external keys", "description": "Identifiers that keep pointing at this kind of thing across systems and languages.", "questions": [ { "id": "stable-identifiers-q01", "text": "What identifies and describes an identifier for a population, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "stable-identifiers-q02", "text": "Who or what asserted this about an identifier for a population, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "stable-identifiers-q03", "text": "What may an agent decide or do once an identifier for a population is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "classification-and-granularity", "name": "Classification and granularity", "description": "Where a population sits among kinds, and how finely a task needs to cut it.", "findings": [ { "id": "kind-and-parents", "name": "Kind, parents and neighbouring kinds", "description": "The classes this thing belongs to and the ones it is next to.", "questions": [ { "id": "kind-and-parents-q01", "text": "What identifies and describes the kind of a population, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "kind-and-parents-q02", "text": "Who or what asserted this about the kind of a population, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "kind-and-parents-q03", "text": "What may an agent decide or do once the kind of a population is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] }, { "id": "distinguishing-features", "name": "Distinguishing features", "description": "What separates a population from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a population, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "distinguishing-features-q02", "text": "Who or what asserted this about what distinguishes a population, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "distinguishing-features-q03", "text": "What may an agent decide or do once what distinguishes a population is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "state-and-lifecycle", "name": "State and lifecycle", "description": "The states a population passes through and the events that move it between them.", "rationale": "Most decisions about a thing depend on what state it is in now, which is a claim with a time on it, not a property.", "layers": [ { "id": "lifecycle-stages", "name": "Lifecycle stages", "description": "From coming into existence to ceasing to be one of these.", "findings": [ { "id": "stages-and-transitions", "name": "Stages and transitions", "description": "The stages worth naming and what moves a population between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a population, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "stages-and-transitions-q02", "text": "Who or what asserted this about the lifecycle of a population, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "stages-and-transitions-q03", "text": "What may an agent decide or do once the lifecycle of a population is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "observations-and-status", "name": "Observations and current status", "description": "What is observed about a population, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a population is recorded so that it can be superseded rather than overwritten.", "questions": [ { "id": "observation-record-q01", "text": "What identifies and describes an observation of a population, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "observation-record-q02", "text": "Who or what asserted this about an observation of a population, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "observation-record-q03", "text": "What may an agent decide or do once an observation of a population is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "definition-and-realisation", "name": "Definition, dimension and realisation", "description": "What population is defined as and how it is realised in practice.", "rationale": "A unit is not the quantity it measures, and its definition has a history that older data still depends on.", "layers": [ { "id": "definition", "name": "Definition and dimension", "description": "The defining relation and the quantity it measures.", "findings": [ { "id": "definition-record", "name": "Definition, body and date", "description": "What defines it now, and what defined it before.", "questions": [ { "id": "definition-record-q01", "text": "How is population defined, by which body, and since when?", "kind": "definition" }, { "id": "definition-record-q02", "text": "What was the previous definition, and what data still depends on it?", "kind": "provenance" } ] } ] }, { "id": "conversion", "name": "Conversion and compatibility", "description": "Relations to other units, exact or approximate.", "findings": [ { "id": "conversion-record", "name": "Conversions and their exactness", "description": "Factors, and whether each is exact by definition.", "questions": [ { "id": "conversion-record-q01", "text": "What conversions relate population to other units, and which are exact by definition?", "kind": "measurement" }, { "id": "conversion-record-q02", "text": "Where does rounding a conversion change a decision, and how should that be recorded?", "kind": "action" } ] } ] } ] }, { "id": "provenance-and-evidence", "name": "Provenance, evidence and time", "description": "Where every claim about a population came from and when it held.", "rationale": "A claim without a source and a time cannot be superseded, only overwritten, and an agent that overwrites loses the ability to explain itself.", "layers": [ { "id": "source-and-authority", "name": "Source and authority", "description": "Who said it, on what evidence, and how strongly.", "findings": [ { "id": "claim-provenance", "name": "Claim provenance and confidence", "description": "The authority behind each claim about a population and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a population, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "claim-provenance-q02", "text": "Who or what asserted this about a claim about a population, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "claim-provenance-q03", "text": "What may an agent decide or do once a claim about a population is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "time-and-versions", "name": "Time, versions and supersession", "description": "When a claim was true, when it was learnt, and what replaced it.", "findings": [ { "id": "validity-and-supersession", "name": "Validity period and supersession", "description": "How an old claim about a population is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a population, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "validity-and-supersession-q02", "text": "Who or what asserted this about the validity of a claim about a population, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "validity-and-supersession-q03", "text": "What may an agent decide or do once the validity of a claim about a population is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] } ] }, "statistics": { "bundles": 4, "layers": 8, "findings": 10, "questions": 28 } } } }