
1) Big breakup 2) Circulation 3) Diffusion 4) Dispersion 5) Dissemination 6) Distribution 7) Flow 8) Movement away 9) Opposite of aggregation 10) Riot police goal 11) Scattering 12) Spread 13) Spreading 14) Thinning out 15) Transmission
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https://www.crosswordclues.com/clue/dispersal

1) Breakup 2) Dissolution 3) Distribution 4) Spraying 5) Spreading
Found on
https://www.crosswordclues.com/clue/dispersal

the act of an organism leaving its birth-place and moving to where it will live as an adult
Found on
http://idahoptv.org/dialogue4kids/season8/wolves/glossary.cfm

Movement of individuals away from the place of birth
Found on
http://myfwc.com/research/saltwater/crustaceans/blue-crabs/glossary/

Spread of a pathogen within an area of its graphical range.
Found on
http://ppathw3.cals.cornell.edu/glossary/Defs_D.htm

• (n.) The act or result of dispersing or scattering; dispersion.
Found on
http://thinkexist.com/dictionary/meaning/dispersal/

(from the article `social behaviour in animals`) As previously noted, social organization within a species may be shown not only by the presence of clumping or positive movement of individuals but ... Within historical biogeography, two viewsthe dispersalist and vicariance hypotheses of biotic distribution patternshave been ...
Found on
http://www.britannica.com/eb/a-z/d/56

Dispersal is the process in which an organism spreads out geographically. Many dinosaurs dispersed over a large area.
Found on
http://www.enchantedlearning.com/subjects/dinosaurs/glossary/

Synonym for dispersion ... <microscopy> The variation of refractive index with colour (or wave-length) of light. The spreading of white light into its component colours when passing through a glass prism is due to dispersion which, in turn, is due to the fact that the refractive index of transparent substances is lower for long wavelengths th...
Found on
http://www.encyclo.co.uk/local/20973

Movement and spread of individual organisms out of a population (emigration) or into a population (immigration).
Found on
http://www.encyclo.co.uk/visitor-contributions.php
Dis·per'sal noun The act or result of dispersing or scattering; dispersion.
Darwin. Found on
http://www.encyclo.co.uk/webster/D/89

An organism leaving its place or birth or activity for another location.
Found on
http://www.physicalgeography.net/physgeoglos/d.html

(L: dis/des not/negation/reversal ; spargere to scatter; Gk: diaspora) To send in different directions. The distribution of an organism by sea currrents.
Found on
http://www.seafriends.org.nz/books/glossary.htm

movement away from a site where it hatched (natal dispersal and juvenile dispersal), and adults moving from one breeding location to another (breeding dispersal.)
Found on
http://www.sialis.org/glossary.htm

The act of an organism leaving its birthplace and moving to where it will live as an adult. Dispersal in wolves usually involves a young, sexually maturing wolf leaving the pack, perhaps due to rivalry with other members of the pack, intense bonds formed with an individual wolf from outside of the pack or lack of sufficient resources within the pac...
Found on
http://www.wolf.org/wolves/learn/basic/glossary.asp

The movement of an individual bird from one breeding site to another.
Found on
https://academy.allaboutbirds.org/bird-academys-a-to-z-glossary-of-bird-ter

(sensu ecology): the transport of propagules away from the parent.
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https://forums.skadi.net/threads/11491-Biogeography-A-Glossary

The movement of a young bird from the site where it hatches to the site where it breeds (juvenile dispersal); the year-to-year movement of an adult bird from one nest site to another (breeding dispersal).
Found on
https://nestwatch.org/learn/general-bird-nest-info/words-about-birds/

moving out from one geographic area to another and not returning
Found on
https://sciencetrek.org/sciencetrek/topics/animal_adaptations/glossary.cfm

Movement of an organism away from its previous home range. Dispersal often refers to the movement of a young animal away from the home range where it was born when it matures
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https://sciencetrek.org/sciencetrek/topics/endangered_species/glossary.cfm

In biology, phase of reproduction during which gametes, eggs, seeds, or offspring move away from the parents into other areas. The result is that overcrowding is avoided and parents do not find themselves in competition with their own offspring. The mechanisms are various, including a reliance on wind or water currents and, in the case of animals, ...
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https://www.encyclo.co.uk/local/21221

Movement of young bird away from its birthplace.
Found on
https://www.encyclo.co.uk/local/22222

The movement of individuals from one place to another beyond typical home ranges. This movement may be either density dependent or density independent.
Found on
https://www.encyclo.co.uk/local/22658

The movement of individual organisms away from their birth site or breeding site to another location.
Found on
https://www.globalchange.gov/climate-change/glossary

dispersion (def. 1).
Found on
https://www.infoplease.com/dictionary/dispersal
No exact match found.