16 Requirements × Use Cases

Requirement	UC01	UC02	UC03	UC04	UC05	UC06	UC07	UC08
AD01 Modular workflow designs that clearly separate ecosystem-specific components from generic analytical components.	✓	✓	✓			✓	✓
AD02 Clearly documented points within workflows where ecosystem definitions, data sources, indicator variables, and assessment purposes can be substituted.	✓	✓	✓				✓
AD03 The ability to apply a common workflow structure across multiple ecosystem types.	✓	✓				✓
AD04 The ability to support alternative assessment frameworks, including ecosystem risk, ecosystem condition, recovery, and ecosystem accounting applications.	✓		✓			✓		✓
AD05 Guidance for reconciling global datasets with local and jurisdictional data sources.		✓

Requirement	UC01	UC02	UC03	UC04	UC05	UC06	UC07	UC08
RE01 Fully documented workflow processes from data acquisition through to final outputs.	✓	✓	✓	✓	✓	✓	✓	✓
RE02 Clear provenance records for all input datasets.	✓	✓		✓	✓			✓
RE03 Version-controlled workflow code and analytical methods.				✓
RE04 Documented software dependencies and computational environments.				✓
RE05 Long-term maintainability as software platforms and packages evolve.				✓
RE06 Repeatable execution across multiple computing environments.		✓	✓	✓		✓	✓	✓
RE07 Persistent identifiers and citation metadata for published workflows as research software outputs.				✓		✓

Requirement	UC01	UC02	UC03	UC04	UC05	UC06	UC07	UC08
VO01 Alignment with the IUCN Global Ecosystem Typology.	✓	✓			✓	✓		✓
VO02 Clear mapping between local ecosystem classifications and global typologies.		✓			✓	✓
VO03 Use of authoritative identifiers where possible.					✓	✓
VO04 Machine-readable classification mappings and metadata.				✓
VO05 Transparent documentation of classification decisions and assumptions.	✓	✓

Requirement	UC01	UC02	UC03	UC04	UC05	UC06	UC07	UC08
DD01 Guidance on identifying authoritative ecosystem and indicator datasets.	✓	✓						✓
DD02 Clear documentation of data provenance, quality, currency, and fitness-for-purpose.	✓	✓						✓
DD03 Consistent approaches for harmonising heterogeneous datasets.	✓				✓
DD04 Mechanisms to support integration of biological surveys, monitoring data, remote sensing products, and spatial datasets.					✓
DD05 Support for workflows operating across local, cloud, and high-performance computing environments.				✓				✓
DD06 Explicit documentation of data limitations and known biases.					✓			✓
DD07 Approaches that reduce the effort and time required for data preparation relative to manual processing.								✓

Requirement	UC01	UC02	UC03	UC04	UC05	UC06	UC07	UC08
DO01 Plain-language workflow documentation.	✓			✓		✓	✓
DO02 Worked examples using real ecosystem assessments.						✓	✓
DO03 Step-by-step implementation guidance.				✓		✓	✓
DO04 Technical documentation describing workflow functions and analytical methods.	✓		✓	✓		✓	✓
DO05 Guidance on interpretation of outputs, assumptions, limitations, and uncertainty.	✓		✓		✓	✓	✓	✓
DO06 Training resources suitable for beginner, intermediate, and advanced users.							✓
DO07 Standardised output formats and schemas so indicator products can be ingested without reformatting.					✓

Requirement	UC01	UC02	UC03	UC04	UC05	UC06	UC07	UC08
AC01 Support for commonly used open-source tools and platforms.				✓			✓
AC02 Use of technologies already familiar to the target user community where possible.							✓
AC03 Clear installation and setup instructions.				✓			✓
AC04 Support for users operating within institutional security and software restrictions.								✓
AC05 Outputs that can be interpreted by both technical and non-technical users.	✓				✓		✓	✓
AC06 A searchable workflow catalogue supporting filtering by ecosystem type, assessment criterion, and jurisdiction.		✓	✓			✓		✓
AC07 Documented compute and memory requirements for each workflow to support resource provisioning.				✓

Requirement	UC01	UC02	UC03	UC04	UC05	UC06	UC07	UC08
VA01 Explicit validation procedures.	✓	✓	✓		✓			✓
VA02 Documentation of assumptions and methodological limitations.	✓		✓		✓			✓
VA03 Quantification and communication of uncertainty.	✓				✓
VA04 Support for expert judgement where empirical validation data are unavailable.	✓							✓
VA05 Consistent reporting of confidence in indicator outputs.	✓				✓			✓
VA06 Documented review protocols specifying how and when expert input is sought, including fallbacks where experts are unavailable.	✓							✓

16.1 Coverage by category

Category	Requirements	Use case links	Use cases covered
Adaptability	5	17	6
Reproducibility and transparency	7	24	8
Classification and vocabularies	5	13	6
Data discovery	7	14	5
Documentation and training	7	22	7
Accessibility	7	15	8
Validation	6	18	5

Status

Pending.