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Genetic variability in the Kilauea Forest population of Drosophila silvestris
|Title:||Genetic variability in the Kilauea Forest population of Drosophila silvestris|
Kilauea Forest Reserve
|LC Subject Headings:||Drosophila -- Hawaii -- Hawaii Island.|
Drosophila -- Genetics.
|Issue Date:||Sep 1974|
|Publisher:||Island Ecosystems IRP, U.S. International Biological Program|
|Citation:||Craddock EM, WE Johnson. 1974. Genetic variability in the Kilauea Forest population of Drosophila silvestris. Honolulu (HI): Island Ecosystems IRP, U.S. International Biological Program. International Biological Program Technical Report, 45.|
|Series/Report no.:||International Biological Program Technical Report|
|Abstract:||In this report, we investigate the chromosomal and genetic characteristics of one of the populations of an endemic Hawaiian fly, Drosophila silvestris. This species is found only on the Big Island of Hawaii and typically occurs in montane rain forest areas such as that encompassed by the Kilauea Forest Reserve. Our collections from this forest were made along one of the transects within the 200-acre Tract which has been under intensive study by the IBP since 1970. Samples of D. silvestris were collected several times between September 1971 and December
1972 and analyzed with respect to both their allozymic and chromosomal constitutions, in order to detect any possible seasonal changes in the genetic composition of the population. Although the samples were not particularly large and the study not a very long-term one, the available data do not support the occurrence of marked cyclic fluctuations in the genetic characteristics of the population, but rather suggest that both the chromosomal polymorphisms and the genetic polymorphisms show considerable temporal stability, at least in the short term. The observed genetic stability of the Kilauea Forest population of D. silvestris is consistent with the population dynamics of the fly as well as with the general ecological stability of the habitat and lack of marked seasonal fluctuations in climate.
|Description:||Reports were scanned in black and white at a resolution of 600 dots per inch and were converted to text using Adobe Paper Capture Plug-in.|
|Sponsor:||This work was supported by NSF Grants GB-27586 and GB-29288 for the Evolution of Hawaiian Drosophilidae Project|
|Rights:||CC0 1.0 Universal|
|Appears in Collections:||International Biological Program Technical Reports (1970-1975)|
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