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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)
exploitation

The consumptive use of any natural resources.

Sustainable use assessment
exploratory scenario

See scenario.

exploratory scenario

Scenarios that examine a range of plausible futures, based on potential trajectories of drivers - either indirect (e.g. socio-political, economic and technological factors) or direct (e.g. habitat conversion, climate change).

Scenarios and models assessment
exploratory scenario

Scenarios that examine a range of plausible futures, based on potential trajectories of drivers - either indirect (e.g. socio-political, economic and technological factors) or direct (e.g. habitat conversion, climate change).

Sustainable use assessment
exposure

The state of having no protection from something potential harmful.

Asia-Pacific assessment
extensive forest management

Low or no input in regeneration or site amelioration is practiced in sparsely populated regions with large forest areas, such as boreal forests (Taiga) of Canada and Siberia, and across much of the world´s major tropical forest biomes.

extensive grazing

Extensive grazing is that in which livestock are raised on food that comes mainly from natural grasslands, shrublands, woodlands, wetlands, and deserts. It differs from intensive grazing, where the animal feed comes mainly from artificial, seeded pastures.

Asia-Pacific assessment, Americas assessment
extensive grazing (lands)

A form of grazing in which livestock are raised on food that comes mainly from natural grasslands, shrublands, woodlands, wetlands and deserts. It differs from intensive grazing, where the animal feed comes mainly from artificial, seeded pastures.

Land degradation and restoration assessment
extent (spatial or temporal)

see spatial scale and temporal scale”.

Scenarios and models assessment
externality

A positive or negative consequence (benefits or costs) of an action that affects someone other than the agent undertaking that action and for which the agent is neither compensated nor penalized through the markets.

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

an economic concept of uncompensated environmental effects of production and consumption that affect consumer utility and enterprise cost outside the market mechanism

Invasive alien species assessment
extinction

A population, species or more inclusive taxonomic group has gone extinct when all its individuals have died. A species may go extinct locally (population extinction), regionally ( extinction of all populations in a country, continent or ocean) or globally. Populations or species reduced to such low numbers that they are no longer of economic or functional importance may be said to have gone economically or functionally extinct, respectively. Species extinctions are typically not documented immediately: for example, the IUCN Red List categories and criteria require there to be no reasonable doubt that all individuals have died, before a species is formally listed as Extinct (see IUCN Red List).

Sustainable use assessment
extinction debt

The future extinction of species due to events in the past, owing to a time lag between an effect such as habitat destruction or climate change, and the subsequent disappearance of species.

Global assessment (1st work programme), Global assessment (1st work programme), Europe and Central Asia assessment, Asia-Pacific assessment, Land degradation and restoration assessment, Pollination assessment
extinction

A population, species or more inclusive taxonomic group has gone extinct when all its individuals have died. A species may go extinct locally (population extinction), regionally (e.g. extinction of all populations in a country, continent or ocean) or glo.

extinction

The evolutionary termination of a species caused by the failure to reproduce and the death of all remaining members of the species; the natural failure to adapt to environmental change.

Americas assessment
extractive practice

Extractive practices are defined as the temporary or permanent removal of organisms, part of them or materials derived from them, and may result in mortality of the individual to be used (hunting or whole plant harvest), but does not necessarily do so (e.g. limited collection of plant propagules or shearing and releasing of vicuna).

Sustainable use assessment
extractives

Hydrocarbons (oil and gas) and minerals.

Americas assessment
lag phase

the time between when an alien species arrives in a new area and the onset of the phase of rapid, or exponential, increase. Multiple factors are frequently implicated in the persistence or dissolution of the lag phase in biological invasions, including an initial shortage of suitable sites, the absence or shortage of essential mutualists, inadequate genetic diversity, and reduction in competition or predation (due to other alterations in the resident biota)

Invasive alien species assessment
land abandonment

Land abandonment occurs when a particular land use ceases, and there is no clearly- defined subsequent land use practice. It is often associated with poorly defined ownership and/or land use governance.

Land degradation and restoration assessment
land cover

The physical coverage of land, usually expressed in terms of vegetation cover or lack of it. Related to, but not synonymous with, land use.

Sustainable use assessment
land cover

The observed (bio)physical cover on the earth's surface.

Global assessment (1st work programme), Land degradation and restoration assessment
land cover

The physical coverage of land, usually expressed in terms of vegetation cover or lack of it. Related to, but not synonymous with, land use (Millenium Ecosystem Assessment, 2005).

land cover

The surface cover on the ground, whether vegetation, urban infrastructure, water, bare soil or other. Identifying, delineating and mapping land cover is important for global monitoring studies, resource management, and planning activities. Identification of land cover establishes the baseline from which monitoring activities (change detection) can be performed, and provides the ground cover information for baseline thematic maps.

Asia-Pacific assessment
land degradation

Refers to the many processes that drive the decline or loss in biodiversity, ecosystem functions or their benefits to people and includes the degradation of all terrestrial ecosystems.

Americas assessment, Sustainable use assessment, Africa assessment, Global assessment (1st work programme)
land degradation neutrality

A state whereby the amount of healthy and productive land resources, necessary to support ecosystem services, remains stable or increases within specified temporal and spatial scales.

Land degradation and restoration assessment
land degradation

Refers to the many processes that drive the decline or loss in biodiversity, ecosystem functions or services and includes the degradation of all terrestrial ecosystems.

Asia-Pacific assessment, Land degradation and restoration assessment, Europe and Central Asia assessment, Global assessment (1st work programme)
land grabbing

See ‘Grabbing (of wild species and space)’.

Sustainable use assessment
land grabbing

See ‘Large scale land acquisition'.

land grabbing

The large-scale acquisition of land (especially in developing countries), driven primarily by concerns about food and energy security of high-income countries and often executed by the private sector.

Land degradation and restoration assessment
land sharing and sparing

Concepts used to describe, in general terms, spatial-temporal arrangements of agricultural and non-agricultural areas. Land sharing is a situation where farming practices enable biodiversity to be maintained within agricultural landscapes. Land sparing, also called land separation involves restoring or creating non-farmland habitat in agricultural landscapes at the expense of field-level agricultural production - for example, woodland, natural grassland, wetland, and meadow on arable land. This approach does not necessarily imply high-yield farming of the non-restored, remaining agricultural land. See also 'Conservation agriculture'.

Global assessment (1st work programme)
land sharing

A situation where low-yield farming enables biodiversity to be maintained within agricultural landscapes.

Land degradation and restoration assessment, Americas assessment, Europe and Central Asia assessment
land sparing

Also called Land separation involves restoring or creating non-farmland habitat in agricultural landscapes at the expense of field-level agricultural production - for example, woodland, natural grassland, wetland, and meadow on arable land. This approach does not necessarily imply high- yield farming of the non restored, remaining agricultural land. (From Rey Benayas & Bullock, 2012). See also Conservation agriculture in this Glossary.

Americas assessment
land sparing

Land sparing, also called land separation involves restoring or creating non-farmland habitat in agricultural landscapes at the expense of field-level agricultural production - for example, woodland, natural grassland, wetland, and meadow on arable land. This approach does not necessarily imply high-yield farming of the non-restored, remaining agricultural land. See also Conservation agriculture.

Europe and Central Asia assessment, Land degradation and restoration assessment
land tenure

The relationship, whether legally or customarily defined, among people, as individuals or groups, with respect to land.

Land degradation and restoration assessment
land transformation

A process whereby the biotic community of an area is substantially altered or substituted by another, along with the underlying ecological and human processes responsible for its persistence, often as a result of a deliberate decision to change the purpose for which the land is used.

Land degradation and restoration assessment
land use change

Land use refers to the modification or management of natural environments into human dominated environments, such as settlements, semi-natural and agricultural areas.

Asia-Pacific assessment
land use change

See Land use.

Americas assessment, Europe and Central Asia assessment
land use intensification

Activities undertaken with the intention of enhancing the productivity or profitability per unit area of rural land use, including intensification of particular land uses as well as changes between land uses (Martin et al., 2018).

Global assessment (1st work programme)
land use

The human use of a specific area for a certain purpose (such as residential, agriculture, recreation, industrial, etc.). Influenced by, but not synonymous with, land cover. Land-use change refers to a change in the use or management of land by humans, which may lead to a change in land cover.

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

The human use of a specific area for a certain purpose (such as residential; agriculture; recreation; industrial, etc.). Influenced by, but not synonymous with, land cover. Land use change refers to a change in the use or management of land by humans, whi.

Global assessment (1st work programme)
landrace

A breed that has largely developed through adaptation to the natural environment and traditional production system in which it has been raised (FAO, 2013).

Global assessment (1st work programme)
landscape composition

The abundances of patch types represented within a landscape. Composition is not spatially explicit because it refers only to the variety and abundance of patch types, but not their placement or location (dispersion) in the landscape.

Pollination assessment
landscape configuration

The distribution, size and abundances of patch types represented within a landscape. Configuration is spatially explicit because it refers not only to the variety and abundance of patch types, but also to their placement or location (dispersion) in the landscape.

Europe and Central Asia assessment
landscape functioning

The capacity or potential of landscapes to provide services (Bolliger & Kienast, 2010).

Global assessment (1st work programme)
landscape heterogeneity

Landscape heterogeneity is a complex phenomenon involving the size, shape and composition of different landscape units and the spatial (and temporal) relations between them (G. Cale & J. Hobbs, 1994).

Global assessment (1st work programme)
landscape heterogeneity

Landscape heterogeneity is a complex phenomenon involving the size, shape and composition of different landscape units and the spatial (and temporal) relations between them.

Sustainable use assessment
landscape planning

An activity concerned with reconciling competing land uses while protecting natural processes and significant cultural and natural resources.

Pollination assessment
landscape socio-ecological approach

The landscape scale approach incorporates the socio-ecological system, including natural and human-modified ecosystems, influenced by ecological, historical, economic, and socio-cultural processes. The landscape includes an array of stakeholders small enough to be manageable, but large enough to deliver multiple functions for stakeholders with differing interests.

Land degradation and restoration assessment
landscape

A human-defined area ranging in size from c. 3 km2 to c. 3002 km. Landscape is spatially heterogeneous in at least one factor of interest and often consists of a mosaic of interacting ecosystems.

Land degradation and restoration assessment
landscape

An area delineated by an actor for a specific set of objectives, constitutes an area in which entities, including humans, interact according to rules (physical, biological, and social) that determine their relationships; Place-based systems that result from interactions between people, land, institutions (laws, rules and regulations) and values. Interactive aspects that define a landscape are functional interactions, negotiated spaces and multiple scales.

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