Skip to main content

Contains terms and definitions used in the reference book, the project and the structure of the Ontology.

Browse the glossary using this index

Special | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | ALL


Natural capital

The stock of natural ecosystems that yields a flow of valuable ecosystem goods or services into the future.

Natural disaster

An event that results from a nature-related process and which overwhelms the capacity of a household, community, city, business or a utility to resist or recover from the impacts without external assistance


Identification of key processes and sub-processes at different levels.

Non-structural measure

Any measure not involving physical construction that use knowledge, practice or agreement to reduce risks and impacts, in particular through policies and laws, public awareness raising, training and education.

Nonlinear dynamics

A small change in one part of the process may have substantial effects in the other part.


Chemicals that provide food and material required by bacteria and other biological entities.