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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)
grazing land management

The strategies used by people to promote both high quality and quantity of forage for domesticated livestock.

Land degradation and restoration assessment
great acceleration

Great Acceleration refers to the acceleration of human-induced changes of the second half of the 20th century, unique in the history of human existence. Many human activities reached take-off points and sharply accelerated towards the end of the century.

Global assessment (1st work programme)
green bonds

A mode of private financing that tap the debt capital market through fixed income instruments (i.e. bonds) to raise capital to finance climate-friendly projects in key sectors of, but not limited to, transport, energy, building and industry, water, agriculture and forestry and waste.

Global assessment (1st work programme), Sustainable use assessment
green growth

Green growth means fostering economic growth and development while ensuring that natural assets continue to provide the resources and environmental services on which our well-being relies.

Global assessment (1st work programme)
green hunting

Green hunting occurs with tranquilizer dart guns and the animals are released alive. This is typically performed for veterinary procedures or translocation, and has been suggested as an alternative to lethal forms of hunting.

Sustainable use assessment
green infrastructure

Green infrastructure refers to the natural or semi-natural systems (e.g. riparian vegetation) that provide services for water resources management with equivalent or similar benefits to conventional (built) “grey” infrastructure (e.g. water treatment plants).

Global assessment (1st work programme)
green public procurement

A process whereby public authorities seek to procure goods, services and works with a reduced environmental impact throughout their life-cycle when compared to goods, services and works with the same primary function that would otherwise be procured.

Asia-Pacific assessment
green revolution

Period of food crop productivity growth that started in the 1960s due to a combination of high rates of investment in crop research, infrastructure, and market development and appropriate policy support, and whose environmental impacts have been mixed: on one side saving land conversion to agriculture, on the other side promoting an overuse of inputs and cultivation on areas otherwise improper to high levels of intensification, such as slopes.

Sustainable use assessment
green revolution

A set of research and the development of technology transfer initiatives occurring between the 1930s and the late 1960s (with prequels in the work of the agrarian geneticist Nazareno Strampelli in the 1920s and 1930s), that increased agricultural production worldwide, particularly in the developing world, beginning most markedly in the late 1960s. The initiatives resulted in the adoption of new technologies, including: new, high- yielding varieties (HYVs) of cereals, especially dwarf wheats and rices, in association with chemical fertilizers and agro-chemicals, and with controlled water-supply (usually involving irrigation) and new methods of cultivation, including mechanization. All of these together were seen as a package of practices to supersede traditional technology and to be adopted as a whole.

Land degradation and restoration assessment, Global assessment (1st work programme)
green revolution

Period of food crop productivity growth that started in the 1960s due to a combination of high rates of investment in crop research, infrastructure, and market development and appropriate policy support, and whose environmental impacts have been mixed: on.

green water

Water transpired through plants to the atmosphere.

Land degradation and restoration assessment
greenhouse gas

Those gaseous constituents of the atmosphere, both natural and anthropogenic, that absorb and emit radiation at specific wavelengths within the spectrum of infrared radiation emitted by the Earth’s surface, the atmosphere, and clouds. This property causes the greenhouse effect.

Land degradation and restoration assessment
greenhouse gas

Greenhouse gases are those gaseous constituents of the atmosphere, both natural and anthropogenic, that absorb and emit radiation at specific wavelengths within the spectrum of terrestrial radiation emitted by the Earth’s surface, the atmosphere itself, and by clouds. This property causes the greenhouse effect. Water vapour (H2O), carbon dioxide (CO2), nitrous oxide (N2O), methane (CH4) and ozone (O3) are the primary greenhouse gases in the Earth’s atmosphere. Moreover, there are a number of entirely human-made greenhouse gases in the atmosphere, such as the halocarbons and other chlorine- and brominecontaining substances, dealt with under the Montreal Protocol. Beside CO2, N2O and CH4, the Kyoto Protocol deals with the greenhouse gases sulphur hexafluoride (SF6), hydrofluorocarbons (HFCs) and perfluorocarbons (PFCs).

Global assessment (1st work programme)
greenhouse gas

Greenhouse gases are those gaseous constituents of the atmosphere, both natural and anthropogenic, that absorb and emit radiation at specific wavelengths within the spectrum of terrestrial radiation emitted by the Earth’s surface, the atmosphere itself, and by clouds. This property causes the greenhouse effect. Water vapour (H2O), carbon dioxide (CO2), nitrous oxide (N2O), methane (CH4) and ozone (O3) are the primary greenhouse gases in the Earth’s atmosphere. Moreover, there are a number of entirely human-made greenhouse gases in the atmosphere, such as the halocarbons and other chlorine- and bromine containing substances, dealt with under the Montreal Protocol. Beside CO2, N2O and CH4, the Kyoto Protocol deals with the greenhouse gases sulphur hexafluoride (SF6), hydrofluorocarbons (HFCs) and perfluorocarbons (PFCs).

Sustainable use assessment
grey water

Any wastewater that is not contaminated with faecal matter.

Land degradation and restoration assessment
gross primary production

Total terrestrial Gross Primary Production (GPP) is the total mass of carbon taken out of the atmosphere by plant photosynthesis.

Land degradation and restoration assessment
gross primary productivity

The amount of carbon fixed by the autotrophs (e.g. plants and algaes).

Global assessment (1st work programme)
macroecology

A subfield of ecology that deals with the study of relationships between organisms and their environment at large spatial scales, and involves characterizing and explaining statistical patterns of abundance, distribution and diversity.

Global assessment (1st work programme)
mainstreaming biodiversity

Mainstreaming means integrating actions related to conservation of biodiversity into strategies relating to production sectors.

Asia-Pacific assessment
mainstreaming biodiversity

Mainstreaming, in the context of biodiversity, means integrating actions or policies related to biodiversity into broader development processes or policies such as those aimed at poverty reduction, or tackling climate change.

Americas assessment, Africa assessment, Europe and Central Asia assessment
maladaptation

A trait that is, or has become, more harmful than helpful, in contrast with an adaptation, which is more helpful than harmful (Barnett & O’Neill, 2010).

Global assessment (1st work programme)
malnutrition

Malnutrition refers to deficiencies, excesses or imbalances in a person’s intake of energy and/or nutrients. The term malnutrition covers 2 broad groups of conditions. One is ‘undernutrition’—which includes stunting (low height for age), wasting (low weight for height), underweight (low weight for age) and micronutrient deficiencies or insufficiencies (a lack of important vitamins and minerals). The other is overweight, obesity and diet-related noncommunicable diseases (such as heart disease, stroke, diabetes and cancer).

Global assessment (1st work programme), Sustainable use assessment
managed pollinator

A kind of pollinator that is maintained by human beings through husbandry (e.g. some honey bees, some leafcutting and orchard bees, some bumble bees). The terms can be broadened to include wild pollinators (q.v.) that flourish by human encouragement.

Pollination assessment
management

for the purpose of the assessment, any action taken to address the threats, risks, distribution, abundance and impacts of an invasive alien species within a defined geographic area (Hulme, 2006; Pyšek et al., 2020). Management includes prevention, preparedness, eradication, containment, and control

Invasive alien species assessment
management of wild species

The management of wild species is the management process influencing interactions among and between wild species, its habitats and humans to achieve predefined impacts valued by stakeholders. It attempts to balance the needs of wild species and the preservation of the ecosystems they inhabit with the needs of humans, using the best available sources of knowledge.

Sustainable use assessment
mangrove

Group of trees and shrubs that live in the coastal intertidal zone. Mangrove forests only grow at tropical and subtropical latitudes near the equator because they cannot withstand freezing temperatures.

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

Land having limitations which in aggregate are severe for sustained application of a given use. On these lands, options are limited for diversification without the use of inputs; inappropriate management of lands may cause irreversible degradation.

Sustainable use assessment
marginal lands

Land having limitations which in aggregate are severe for sustained application of a given use. On these lands, options are limited for diversification without the use of inputs; inappropriate management of lands may cause irreversible degradation (CGIAR,.

marginal lands

Lands less suited for crop or livestock production.

Land degradation and restoration assessment
marginalization

Marginalization refers to the set of processes through which some individuals and groups face systematic disadvantages in their interactions with dominant social, political and economic institutions. The disadvantages arise from class status, social group identity (kinship, ethnicity, caste and race), political affiliation, gender, age and disability.

Global assessment (1st work programme)
marginalization

Marginalisation is a complex and multidimensional concept, which simply cannot be seen as a state of being ( a condition of low income or food insecurity) but needs to be considered a process over time with several inter-related elements interacting with social and economic conditions, political standing, and environmental health. A full understanding of the term marginalisation needs to be based on the view that the best judge of poverty and marginalisation are the people experiencing it.

Sustainable use assessment
marginalized community

Marginalized communities, peoples or populations are groups and communities that experience discrimination and exclusion (social, political and economic) because of unequal power relationships across economic, political, social and cultural dimensions (National Collaborating Centre for Determinants of Health.

Sustainable use assessment
mariculture

A branch of aquaculture involving the culture of organisms in a medium or environment which may be completely marine (sea), or sea water mixed to various degrees with fresh water, including brackishwater areas (SIVALINGAM, 1981).

Sustainable use assessment, Global assessment (1st work programme)
market failures

Refers to situations whereby the market fails to give efficient allocation of resources, due to non-fulfilment of free and competitive market structure.

Africa assessment
market forces

Refer to economic factors affecting the price of, demand for, and availability of a commodity.

Africa assessment
mass balance (analysis)

Comparison between input and output mass of materials to solve for losses such as oxidation.

Land degradation and restoration assessment
maximum sustainable yield

The maximum sustainable yield (MSY) for a given fish stock means the highest possible annual catch that can be sustained over time, by keeping the stock at the level producing maximum growth. The MSY refers to a hypothetical equilibrium state between the exploited population and the fishing activity.

Americas assessment
mean species abundance (species abundance)

An indicator of naturalness or biodiversity intactness. It is defined as the mean abundance of original species relative to their abundance in undisturbed ecosystems. An MSA (Mean Species Abundance) of 0% means a completely destructed ecosystem, with no original species remaining.

Asia-Pacific assessment
mechanistic model

see process-based model.

Scenarios and models assessment
mechanistic modelling

A model with hypothesized relationship between the variables in the dataset where the nature of the relationship is specified in terms of the biological processes that are thought to have given rise to the data.

Global assessment (1st work programme)
megadiverse countries

17 countries that harbor 70% of the species diversity of the planet. Seven such countries are in the Americas. In alphabetical order: Brazil, Colombia, Ecuador, Mexico, Peru, USA, Venezuela.

Americas assessment
megadiverse country

Countries (17) which have been identified as the most biodiversity-rich countries of the world, with a particular focus on endemic biodiversity (UNEP-WCMC, 2014).

Global assessment (1st work programme)
megadiverse country

Countries (17) which have been identified as the most biodiversity- rich countries of the world, with a particular focus on endemic biodiversity.

Sustainable use assessment
mesic areas

Synonym for moist areas (IUCN, 2012a).

Global assessment (1st work programme)
meta-analysis

A quantitative statistical analysis of several separate but similar experiments or studies in order to test the pooled data for statistical significance.

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

Chemical transformations that sustain life at the cell level.

Global assessment (1st work programme)
micro-habitat

The small-scale physical requirements of a particular organism or population.

Global assessment (1st work programme)
micro-plastics

Plastic debris that are less than five millimeters in length (NOAA, 2018a).

Global assessment (1st work programme)
microevolution

A change in gene frequency within a population. Evolution at this scale can be observed over short periods of time - for example, between one generation and the next, the frequency of a gene for pesticide resistance in a population of crop pests increases. Such a change might come about because natural selection favored the gene, because the population received new immigrants carrying the gene, because some nonresistant genes mutated to the resistant version, or because of random genetic drift from one generation to the next.

Global assessment (1st work programme)
micronutrients

Substances that are only needed in very small amounts but essential to organisms to produce enzymes, hormones and other substances fundamental for proper growth and development (WHO, 2015).

Global assessment (1st work programme)