# Environmental Memory
**Domain:** Ecology / Culture / Archives
**Doc Type:** Canonical Concept Node
**Maturity:** Developed
## Definition
**Environmental memory** is information about past conditions retained in landscapes, organisms, cultural practices, sediments, collections and long-term records.
## Evolutionary Nexus
Fossils, redwoods, Indigenous place knowledge and genomic conservation in [[articles/The Evolutionary Roots of Silicon Valley|The Evolutionary Roots of Silicon Valley]] are different forms of environmental memory.
## Continuity Context
Memory is distributed across media with different failure modes. A valid archive preserves relationships among physical trace, context and interpretation rather than extracting data while discarding custodial knowledge.
## See Also
[[wiki/Indigenous Knowledge Systems|Indigenous Knowledge Systems]], [[wiki/Fossil Record|Fossil Record]], [[wiki/Provenance|Provenance]], [[wiki/Technical Archaeology|Technical Archaeology]]