the number of organisms of a particular kind as a percentage of the total number of organisms of a given area or community; the number of birds of a particular species as a percentage of the total bird population of a given area
I do not know their relative abundance or distribution but they are certainly common on the campus in spring and summer.
The relative abundance of fishes found in these areas is presented in Table 13.
The average of its relative abundance at all stations in the Big Caney system was 16.5 per cent.
The marginal productivity of labor is affected by the relative abundance and efficiency of natural resources.
Among them there will necessarily be a gradation of importance, regulated chiefly by their relative abundance.
The relative abundance seemed to be greatest in two types of habitat which were separated geographically.
The differences in relative abundance indicate the kind of habitat that each species is able to utilize most fully.
Spawning by certain species during the course of the study complicated estimates of their relative abundance.
In addition, the tables will show the appearance and relative abundance of birds in a given locality.
In downstream collections its relative abundance was less, although it was often concentrated on riffles.