Dispersal Barriers
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Dispersal may refer to: *
Biological dispersal Biological dispersal refers to both the movement of individuals (animals, plants, fungi, bacteria, etc.) from their birth site to their breeding site ('natal dispersal') and the movement from one breeding site to another ('breeding dispersal' ...
, the movement of organisms away from aggregations of individuals such as movement from their birth site **
Dispersal vector A dispersal vector is an agent of biological dispersal that moves a dispersal unit, or organism, away from its birth population to another location or population in which the individual will reproduce. These dispersal units can range from pollen t ...
, forces that carry seeds for plants **
Oceanic dispersal Oceanic dispersal is a type of biological dispersal that occurs when Terrestrial animal, terrestrial organisms transfer from one land mass to another by way of a sea crossing. Island hopping is the crossing of an ocean by a series of shorter jour ...
, the movement of terrestrial organisms from one land mass to another by sea-crossing **
Seed dispersal In spermatophyte plants, seed dispersal is the movement, spread or transport of seeds away from the parent plant. Plants have limited mobility and rely upon a variety of dispersal vectors to transport their seeds, including both abiotic vectors, ...
, the movement or transport of seeds away from the parent plant *
Dispersal draft A dispersal draft is a process in professional sports for assigning players to a new team when an existing team folds or is merged into another team. Like most other sports drafts, most dispersal drafts are conducted in closed leagues and are in ...
, a system in professional sports for reassigning players whose former team is defunct *
Dispersal of ownership Dispersal of ownership (also ownership dispersal, dispersed media ownership) is a standpoint that opposes concentration of media ownership and mergers of media conglomerates. This position generally advocates smaller and local ownership of media a ...
, breaking up large media companies and media conglomerates to diversify ownership of property rights *
Dispersal (military) Dispersal is a military practice of dispersing or spreading out potentially vulnerable military assets, such as soldiers, aircraft, ships, tanks, weapons, vehicles, and similar equipment of an army, navy, or air force. Its primary objective is ...
, strategic spreading-out of military personnel and equipment to reduce collateral damage *
Dispersal prison Dispersal prisons are five secure prisons in the United Kingdom that houses Category A prisoners. The idea of the dispersal prison was initiated after a report submitted by Earl Mountbatten in 1966 after some notorious prison escapes. It was de ...
, one of five secure prisons in the United Kingdom that houses Category A prisoners *
Dispersal index Dispersal index is a parameter in volcanology. The dispersal index D was defined by George P. L. Walker in 1973 as the surface area covered by an ash or tephra fall, where the thickness is equal or more than 1/100 of the thickness of the fall at ...
, for volcanic eruptions *The ''dispersal area'' of an
aerodrome An aerodrome, airfield, or airstrip is a location from which aircraft flight operations take place, regardless of whether they involve air cargo, passengers, or neither, and regardless of whether it is for public or private use. Aerodromes inc ...
, where aeroplanes are parked away from the runway.


See also

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Dispersion (disambiguation) Dispersion may refer to: Economics and finance *Dispersion (finance), a measure for the statistical distribution of portfolio returns *Price dispersion, a variation in prices across sellers of the same item *Wage dispersion, the amount of variati ...
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Dispersive (disambiguation) Dispersive may refer to: *Dispersive partial differential equation, a partial differential equation where waves of different wavelength propagate at different phase velocities * Dispersive phase from Biological dispersal * Dispersive medium, a med ...
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Dispersity In chemistry, the dispersity is a measure of the heterogeneity of sizes of molecules or particles in a mixture. A collection of objects is called uniform if the objects have the same size, shape, or mass. A sample of objects that have an inconsi ...
, a measure of the heterogeneity of sizes of molecules or particles in a mixture {{Disambiguation