Dominants


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Dominants

 

the predominant species in a plant community (phytocoenosis).

Species are considered dominant for a given stratum, or story, of the plant community; any story may have one or more dominants. There are three dominants, for example, in a moss-whortleberry-fir forest: green moss, whortleberry, and spruce. The so-called absolute dominance of a species is determined by the area occupied by its members in proportion to that of the sample. This measure is sometimes replaced by that of relative dominance, the ratio of the area covered by the members of a species to the area covered by all plants in a story. Dominance is also sometimes expressed by the volume of organic material represented by the species, or by the number of that species in the area. The units in plant communities—associations, formations, and so forth—are labeled according to the names of their dominant species. In the USSR about 1,500 species are found as dominant; they make up the bulk of the plant products used by man. As indicators of soil and microclimatic conditions, dominants serve as a basis of agricultural zoning.

REFERENCE

Bykov, B. A. Dominanty rastitel’nogo pokrova Sovetskogo Soiuza,vols. 1-3. Alma-Ata, 1960-65.
References in periodicals archive ?
Although it could be expected that this would be primarily submissives focusing on pleasing their dominants, this was not the case.
This sentiment was echoed not only by other submissives, but also many dominants.
Submissives and dominants alike commented on the role that dominants could play in motivating their submissives.
Playing offered an emotional release for both dominants and submissives, so much so that one dominant pronounced it "therapeutic.
The dominants who mentioned this benefit tended to emphasize the relaxation that comes from having exerted oneself and the accompanying rush.
Dominants expressed a desire to have things done their way and make all the decisions.
Several of the dominants experienced satisfaction at having things done for them, particularly household chores.
Some of the dominants explained that BDSM offers "a heck of a confidence boost.
In direct opposition to the main benefit for dominants, the sole benefit consistently expressed as specific to submission was giving up control.
Once again, some of these were shared, while others were specific to submissives or to dominants.
Just because dominants desire to take charge does not mean that overseeing many details of the scene is not a lot of work.
Several of the participants mentioned that the biggest danger for dominants was possessive submissives who become overly invested in the relationship.