Indicator Species Biodiversity

Overview

CBCP-01 is the Indicator Species Biodiversity methodology approved under Cercarbono's Biodiversity Certification Programme, the first biodiversity methodology in Cercarbono's framework and based on the Savimbo Indicator Species Biodiversity Methodology. It measures conservation of intact regional biodiversity by monitoring indicator species and habitat quality using non-invasive techniques such as camera traps, photographs, and audio recordings. A biodiversity credit under this methodology represents 30 days of one hectare of protected ecosystem, with a value set by the baseline ecosystem and the presence and integrity score of a qualifying indicator species.

Sources: methodology document · Cercarbono

01 · Roles

The workflow as an explicit directed graph. In Graph each column is one role, so you can see who acts at each step; every node names the org.broadlistening.policy.block.* def it resolves to plus its input and output record. Data flow switches to a lineage view that makes explicit what data each node needs and makes, with dependency arcs tracing every record back to the node that produced it, including where the Darwin Core occurrence + measurement records feed in. Hover to trace, click to inspect; revise edges (dashed) send work back.

03 · Generated lexicon records

The records this methodology compiles to, ready to write to a PDS. The first tabs are the new policy engine records; the ★ claim.activity tab and those after it are reused ATProto Collective Funding Ecosystem records (org.hypercerts.*): the issued hypercert batch, its rights, an example verification attachment and a retirement receipt. The ◈ dwc.occurrence and ◈ dwc.measurement tabs are the Darwin Core field evidence the monitoring node writes; see the section below.

{
  "$type": "org.broadlistening.policy.methodology",
  "code": "CBCP-01",
  "name": "Indicator Species Biodiversity",
  "registry": "Cercarbono (CER)",
  "sector": "Biodiversity",
  "creditType": "biodiversity",
  "status": "active",
  "version": "1.0",
  "scopes": [
    "Biodiversity",
    "Indicator species"
  ],
  "roles": [
    {
      "id": "registry",
      "name": "Standard Registry",
      "permission": "Owns the policy, approves participants, anchors each issuance to its evidence."
    },
    {
      "id": "proponent",
      "name": "Project Proponent",
      "permission": "Registers the project and submits monitoring reports."
    },
    {
      "id": "vvb",
      "name": "Validation & Verification Body",
      "permission": "Independently validates the design and verifies monitored data."
    }
  ],
  "schemas": [
    "at://did:plc:bl0adl1sten1ngp0l1cyreg/org.broadlistening.policy.schema/cercarbono-cbcp01-bio-baseline",
    "at://did:plc:bl0adl1sten1ngp0l1cyreg/org.broadlistening.policy.schema/cercarbono-cbcp01-bio-monitoring"
  ],
  "graph": "at://did:plc:bl0adl1sten1ngp0l1cyreg/org.broadlistening.policy.graph/cercarbono-cbcp01",
  "issuesAs": "org.hypercerts.claim.activity",
  "workScope": "at://did:plc:bl0adl1sten1ngp0l1cyreg/org.hypercerts.workscope.cel/cercarbono-cbcp01-scope",
  "rights": "at://did:plc:bl0adl1sten1ngp0l1cyreg/org.hypercerts.claim.rights/cercarbono-cbcp01-rights",
  "createdAt": "2025-01-01T00:00:00.000Z"
}

04 · Schemas

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