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Population studies on folsomia octoculata collembola isotomidae in a subalpine coniferous forest



Population studies on folsomia octoculata collembola isotomidae in a subalpine coniferous forest



Revue d'Ecologie et de Biologie du Sol 13(1): 69-92



Using improved estimation techniques, the population dynamics of F. octoculata was studied in an area of subalpine coniferous forest. Mean air temperature was 3.7.degree. C and soil type was a wet podsol. Seasonal sampling was made over a 4 yr period. Individuals ranged between 0.3-1.6 mm in length, and the population was composed of 2 or 3 generations. Breeding begins in mid-July and ends in mid-Oct. Population structure differs seasonally, but is stable each year. Each generation has a span of 2 yr, and 6 generations occurred over the 4 yr study period. Peak of individual growth was noted in Aug. each year. Maximum density per square meter occurred at the end of the breeding period.

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Accession: 006146548

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