F
Data and Resources
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Fadama
Low-lying area with a high water table subject to seasonal flooding.
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Fallout radionuclide
A radioactive isotope deposited from the atmosphere onto the soil. Cesium-137...
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False negative
A test result that wrongly indicates that a particular condition or attribute...
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False positive
A test result which wrongly indicates that a particular condition or...
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Farmyard manure
FYM refers to the bulky organic manure resulting from the naturally...
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Feed-in tariff
A feed-in tariff is an energy policy focused on supporting the development...
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Feedback
Where non-linear change is driven by reactions that either dampen change...
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Female genital mutilation
Involves cutting away part or all of the external female genitalia. These...
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Female-headed household
Households in which adult males either are not present (owing to divorce,...
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Femicide
Femicide is generally understood to involve intentional murder of women...
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Feminization of agriculture
Increased concentration of agricultural tasks in the hands of rural women in...
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Feminization of poverty
The fact that women are overrepresented among the world poor, especially the...
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Ferralic B horizon
The ferralic horizon (from L. ferrum, iron, and alumen, alum) is a subsurface...
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Ferric horizon
A ferric horizon (from Latin ferrum, iron) is one in which segregation of Fe...
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Fetch
The length of unobstructed terrain over which the wind flows.
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Fibrosis
The thickening and scarring of connective tissue.
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Fipronil systemic insecticides
Phenyl-pyrazole fipronil are insecticides with systemic properties. Their...
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Fire-break
Any natural or constructed discontinuity in a fuelbed utilized to segregate,...
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Fishing tourism
Recreational fishing conducted by fishers who may sometimes travel...
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Flood
Usually classified into three types: river flood, flash flood and storm...
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Flood recession
It refers to areas along the edge of rivers or other water bodies where...
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Flume
Manmade channel with clearly specified shape and dimensions which may be used...
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Fluvial erosion
It is when the depth of the river is greater than the width, causing erosion...
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Fluvial transport
Transport of sediment within a stream or river channel.
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Flyway
The biological systems of migration paths that directly link sites and...
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Folic horizon
The folic horizon (from L. folium, leaf) is a surface horizon, or a...
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Fomite transmission
refers to the transmission of infectious diseases by objects. It occurs when...
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Food security
Physical and economic access to food that meets people’s dietary needs as...
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Food system
Food systems are usually conceived as a set of activities ranging from...
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Food value chains
comprise all the stakeholders who participate in the coordinated production...
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Food-borne disease
Illnesses that are transmitted through consumption of unsafe or contaminated...
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Food-water-energy nexus
The water-food-energy nexus is central to sustainable development. Demand for...
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Forced marriage
An arranged marriage officiated without the consent of the interested parties.
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Fore reef
The area from the seaward edge of the reef crest downwards (slope = lower...
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Forest
Land spanning more than 0.5 hectares with trees higher than 5 metres and a...
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Forest degradation
Changes within the forest that negatively affect the structure or function of...
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Forest ecosystem
They are repositories of huge reservoirs of biodiversity, and support a vast...
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Forest hydrology
The discipline, which deals with the interaction between forest cover and the...
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Forest landscape design
The deliberate alteration of the pattern and structure of the forest mosaic...
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Forest management
The processes of planning and implementing practices for the stewardship and...
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Forest plantation
A forest established by planting and/or seeding in the process of...
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Forest soil
Soil, with characteristics resulting from, or emphasised by, tree cover.
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Fossil fuel
Coal, natural gas and petroleum products (such as oil) formed from the...
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Fossil water
Groundwater that has remained in an aquifer for millennia after geological...
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Fragic horizon
A fragic horizon (from Latin fragilis, fragile) is a natural non-cemented...
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Fragility
An ecosystem that is highly susceptible to degradation by anthropogenic...
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Free-riding
Free riding occurs when one firm (or individual) benefits from the actions...
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Frozen soil
Designates horizons or layers that contain permanent ice or are perennially...
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Fulvic horizon
A fulvic horizon (from Latin fulvus, dark yellow) is a thick, dark-coloured...
Additional Info
| Field | Value |
|---|---|
| Source | https://wesr-staging.azurewebsites.net/glossary/ajax/ajax.searchbyindex.php?q=F |
| Author | UNEP GEO |
| Maintainer | UNEP GEO |
| Last Updated | January 26, 2023, 06:27 (UTC) |
| Created | September 13, 2022, 18:22 (UTC) |
| GUID | unep-geo-glossary-letter-f |
| Issued | 2022-08-31 13:19:55 |
| Language | en |
| Modified | 2022-11-09 17:41:18 |
| Publisher name | UNEP GEO |
| Theme | Glossary |
| data_type | webpage |
| spatial | Global |