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Glossary definitions

The IPBES glossary terms definitions page provides definitions of terms used in IPBES assessments. Some definitions in this online glossary have been edited for consistency. Please refer to the specific assessment glossary for citations/authorities of definitions. 

We invite you to report any errors or omissions to [email protected].

Concept Definition Deliverable(s)
drivers, anthropogenic direct

Those that are the result of human decisions and actions, namely, of institutions and governance systems and other indirect drivers (e.g. land degradation and restoration, freshwater pollution, ocean acidification, climate change produced by anthropogenic carbon emissions, species introductions). Some of these drivers, such as pollution, can have negative impacts on nature; others, as in the case of habitat restoration, can have positive effects.

Pollination assessment
drivers (direct)

Both natural and anthropogenic drivers that affect nature directly.

Pollination assessment
drivers, institutions and governance systems and other indirect drivers

The ways in which societies organize themselves (and their interaction with nature), and the resulting influences on other components. They are underlying causes of change that do not make direct contact with the portion of nature in question; rather, they impact it - positively or negatively - through direct anthropogenic drivers. The institutions encompass all formal and informal interactions among stakeholders and social structures that determine how decisions are taken and implemented, how power is exercised, and how responsibilities are distributed. Various collections of institutions come together to form governance systems, that include interactions between different centres of power in society (corporate, customary-law based, governmental, judicial) at different scales from local through to global. Institutions and governance systems determine, to various degrees, the access to, and the control, allocation and distribution of components of nature and anthropogenic assets and their benefits to people .

Pollination assessment
drivers, natural direct

Drivers that are not the result of human activities and whose occurrence is beyond human control (e.g. natural climate and weather patterns, extreme events such as prolonged drought or cold periods, cyclones and floods, earthquakes, volcanic eruptions).

Pollination assessment
dry forest

Tropical and sub-tropical dry forests occur in climates that are warm year-round, and may receive several hundred centimetres or rain per year, they deal with long dry seasons which last several months and vary with geographic location.

Land degradation and restoration assessment
drylands

Arid, semi-arid and dry sub-humid areas. The term excludes hyper-arid areas, also known as deserts. Drylands are characterized by water scarcity and cover approximately 40% of the world's terrestrial surface.

Europe and Central Asia assessment
drylands

Drylands comprise arid, semi-arid and dry sub-humid areas. The term excludes hyper-arid areas, also known as deserts. Drylands are characterised by water scarcity and cover approximately 40 % of the world's terrestrial surface.

drylands

Drylands comprise arid, semi-arid and dry sub-humid areas. The term excludes hyper-arid areas, also known as deserts. Drylands are characterised by water scarcity and cover approximately 40 per cent of the world's terrain.

Asia-Pacific assessment
drylands

Drylands comprise arid, semi-arid and dry sub-humid areas. The term excludes hyper-arid areas, also known as deserts. Drylands are characterised by water scarcity and cover approximately 40% of the world's terrestrial surface.

Americas assessment
drylands

Tropical and temperate areas with an aridity index (annual rainfall/annual potential evaporation) of less than 0.65.

Land degradation and restoration assessment
dynamic downscaling

Downscaling based on mechanistic models, which may be more appropriate than statistical downscaling in systems where the relationship between coarse scale and fine scale dynamics are complex and non-linear, or observational data are insufficient.

Scenarios and models assessment
dynamic model

A model that describes changes through time of a specific process. See also process-based model.

Scenarios and models assessment
dynamic model

See models.

dynamics and processes

refer to the emergent patterns of change across ‘depths’, ‘breadths’ and time that unfold as non-linear pathways. These may be characterised by ‘punctuated equilibrium’ in which more stable periods of incremental change are punctuated by bursts of change in which underlying structures are reorganised into new states.

Values assessment
water footprint

The measure of humanity's use of fresh water as represented in volumes of water consumed and/or polluted.

Land degradation and restoration assessment, Global assessment (1st work programme)
water footprint

The water footprint measures the amount of water used to produce each of the goods and services we use. It can be measured for a single process, such as growing rice, for a product, such as a pair of jeans, for the fuel we put in our car, or for an entire.

water grabbing

A situation where powerful actors are able to take control of, or reallocate to their own benefits, water resources already used by local communities or feeding aquatic ecosystems on which their livelihoods are based (Mehta et al., 2012).

Global assessment (1st work programme)
water logging

An excess of water on top and/or within the soil, leading to reduced air availability in the soil for long periods.

Land degradation and restoration assessment
water purification

Vegetation, and specially aquatic plants, can assist in removing sediments and nutrients and other impurities from water.

Land degradation and restoration assessment
water security index

The ratio of total water withdrawal to the water availability including environmental flow requirements. Higher WSI values lead to decreasing water security.

Land degradation and restoration assessment
water security

The capacity of a population to safeguard sustainable access to adequate quantities of and acceptable quality water for sustaining livelihoods, human well-being, and socio-economic development, for ensuring protection against water-borne pollution and water-related disasters, and for preserving ecosystems in a climate of peace and political stability.

water security

The capacity of a population to safeguard sustainable access to adequate quantities of and acceptable quality water for sustaining livelihoods, human well-being, and socio-economic development, for ensuring protection against water-borne pollution, water-related disasters, and for preserving ecosystems.

Land degradation and restoration assessment
water security

The reliable availability of an acceptable quantity and quality of water for health, livelihoods and production, coupled with an acceptable level of water-related risks.

Asia-Pacific assessment
water security

The capacity of a population to safeguard sustainable access to adequate quantities of and acceptable quality water for sustaining livelihoods, human well-being, and socio- economic development, for ensuring protection against water-borne pollution and water-related disasters, and for preserving ecosystems in a climate of peace and political stability.

Africa assessment, Americas assessment, Europe and Central Asia assessment
water stress

Physiological stress experienced by a plant as a result of a lack of available moisture or a low water potential in the surrounding soil; an instance of this. Economic or political pressures in a country or region as a result of insufficient access to fresh water.

Global assessment (1st work programme), Asia-Pacific assessment
water stress

Water stress occurs in an organism when the demand for water exceeds the available amount during a certain period or when poor quality restricts its use.

Europe and Central Asia assessment, Africa assessment, Americas assessment
water table

The upper surface of the zone of ground water.

Land degradation and restoration assessment
water use efficiency

The ratio between effective water use and actual water withdrawal. In irrigation, it represents the ratio between estimated plant water requirements (through evapotranspiration) and actual water withdrawal.

Global assessment (1st work programme)
weed

A plant that is a pest (q.v.) in a particular circumstance.

Pollination assessment
welfare

See 'Social welfare'.

Global assessment (1st work programme), Sustainable use assessment
welfare

The provision of a minimal level of well- being (q.v.) and social support for all citizens.

Pollination assessment
well established (certainty term (q.v.))

Consensus from a comprehensive meta- analysis7 or other synthesis, or multiple independent studies that agree.

Pollination assessment
wellbeing (human)

Human well-being is a state in which there is opportunity for satisfying social relationships and where human needs are met, where one can act meaningfully to pursue one's goals and where one enjoys a satisfactory quality of life”.

Sustainable use assessment
wellbeing

A perspective on a good life that comprises access to basic materials for a good life, freedom and choice, health and physical well-being, good social relations, security, peace of mind and spiritual experience.

Scenarios and models assessment
wellbeing

A perspective on a good life that comprises access to basic resources, freedom and choice, health and physical well-being, good social relationships, security, peace of mind and spiritual experience. Human well-being is a state of being with others and the environment. Well-being is achieved when individuals and communities can act meaningfully to pursue their goals and everyone can enjoy a good quality of life. The concept of human well-being is used in many western societies and its variants, together with living in harmony with nature, and living well in balance and harmony with Mother Earth.

Land degradation and restoration assessment, Asia-Pacific assessment
wellbeing

A perspective on a good life that comprises access to basic resources, freedom and choice, health and physical well-being, good social relationships, security, peace of mind and spiritual experience. Well-being is achieved when individuals and communities can act meaningfully to pursue their goals and can enjoy a good quality of life. The concept of human well- being is used in many western societies and its variants, together with living in harmony with nature, and living well in balance and harmony with Mother Earth. All these are different perspectives on a good quality of life.

Africa assessment
wellbeing

A perspective on a good life that comprises access to basic resources, freedom and choice, health and physical well-being, good social relationships, security, peace of mind and spiritual experience. Well-being is achieved when individuals and communities can act meaningfully to pursue their goals and can enjoy a good quality of life. The concept of human well-being is used in many western societies and its variants, together with living in harmony with nature, and living well in balance and harmony with Mother Earth. All these are different perspectives on a good quality of life.

Americas assessment, Europe and Central Asia assessment
wellbeing

A perspective on a good life that comprises access to basic resources, freedom and choice, health and physical well-being, good social relations, security, peace of mind and spiritual experience. Human wellbeing is a state of being with others and the environment. Wellbeing is achieved when individuals and communities can act meaningfully to pursue their goals and everyone can enjoy a good quality of life.

Pollination assessment
wellbeing (human)

A perspective on a good life that comprises access to basic resources, freedom and choice, health and physical, including psychological, well- being, good social relationships, security, equity, peace of mind and spiritual experience. Well-being is achieved when individuals and communities can act meaningfully to pursue their goals and can enjoy a good quality of life. The concept of human well-being is used in many western societies and its variants, together with living in harmony with nature, and living well in balance and harmony with Mother Earth. All these are different perspectives on a good quality of life.

Global assessment (1st work programme)
western culture

(Also called modern science, Western scientific knowledge or international science) is used in the context of the IPBES conceptual framework as a broad term to refer to knowledge typically generated in universities, research institutions and private firms following paradigms and methods typically associated with the scientific method consolidated in Post-Renaissance Europe on the basis of wider and more ancient roots. It is typically transmitted through scientific journals and scholarly books. Some of its central tenets are observer independence, replicable findings, systematic scepticism, and transparent research methodologies with standard units and categories.

Land degradation and restoration assessment
western culture

(Also called modern science, Western scientific knowledge or international science) is used in the context of the IPBES conceptual framework as a broad term to refer to knowledge typically generated in universities, research institutions and private firms following paradigms and methods typically associated with the ‘scientific method’ consolidated in Post-Renaissance Europe on the basis of wider and more ancient roots. It is typically transmitted through scientific journals and scholarly books. Some of its central tenets are observer independence, replicable findings, systematic scepticism, and transparent research methodologies with standard units and categories.

Sustainable use assessment
western science

(Also called modern science, Western scientific knowledge or international science) is used in the context of the IPBES conceptual framework as a broad term to refer to knowledge typically generated in universities, research institutions and private firms following paradigms and methods typically associated with the ‘scientific method' consolidated in Post-Renaissance Europe on the basis of wider and more ancient roots. It is typically transmitted through scientific journals and scholarly books. Some of its central tenets are observer independence, replicable findings, systematic scepticism, and transparent research methodologies with standard units and categories.

Americas assessment, Europe and Central Asia assessment, Asia-Pacific assessment
western science

Also called modern science, Western scientific knowledge or international science, and used in the context of the IPBES conceptual framework as a broad term to refer to knowledge typically generated in universities, research institutions and private firms following paradigms and methods typically associated with the scientific method consolidated in Post-Renaissance Europe on the basis of wider and more ancient roots. It is typically transmitted through scientific journals and scholarly books. Some of its central tenets are observer independence, replicable findings, systematic scepticism, and transparent research methodologies with standard units and categories.

wetland

Areas that are subject to inundation or soil saturation at a frequency and duration, such that the plant communities present are dominated by species adapted to growing in saturated soil conditions, and/or that the soils of the area are chemically and physically modified due to saturation and indicate a lack of oxygen; such areas are frequently termed peatlands, marshes, swamps, sloughs, fens, bogs, wet meadows, etc.

Sustainable use assessment, Global assessment (1st work programme), Americas assessment, Asia-Pacific assessment, Global assessment (1st work programme), Land degradation and restoration assessment, Europe and Central Asia assessment
widespread species

species that are able to maintain viable populations across a range of environments leading to a large range size. Widespread species are likely to experience a large range of ecological and climatic conditions within their range. A large niche width – based on the current distribution of a species – seems to be a general pattern in widespread species

Invasive alien species assessment
wild food

Wild foods are food products obtained from non-domesticated species.

Sustainable use assessment
wild habitat

See 'Natural habitat'.

Global assessment (1st work programme)
wild habitat

See “Natural habitat”.

Sustainable use assessment
wild meat

Wild meat is defined as meat for human consumption derived from wild species.

Sustainable use assessment
wild pollinator

A pollinator that can live without human husbandry. Some may depend on agricultural settings for survival.

Pollination assessment