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DatasetID |
245 |
Name |
Effects of weather on population fluctuations in California Quail
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Description |
Age ratios of quail (Lophortyx californicus) in San Luis Obispo County, California, were available for 14 consecutive years. Ratios were based on hunter-shot samples averaging 672 birds per year. Weather data were compiled and a multiple linear regression of quail productivity on selected weather parameters revealed a close relationship (P < 0.01). Quail productivity seemed to be a function, in order of importance, of (1) soil moisture in late April calculated from temperature and rainfall data, (2) proportion of breeding females over 1 year old, and (3) the seasonal rainfall from Septemberto April. Three geographically isolated wild quail populations and one penned population were observed during two breeding seasons that were very different in productivity. In 1963, quail produced many young. The breeding period was characterizedby intense activity and persistence of breeding effort extend- ing, in captive birds, to production of second broods. Vegetation that year included many annual forbs growing vigorously during the breeding season. In 1964, production of quail was very low on all areas. The birds seemed to lack reproductive drive, and breeding effort terminated early. Forb vegetation that year was sparse. The Hastings Reservation was one of three study sites.
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Physical Location |
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Publisher/Owner |
W. J. Francis
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Publication Date |
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Permissions |
Undetermined
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Source |
Mark Stromberg NRS file
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Contact |
Mark Stromberg
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Type |
Biological Survey - Observational
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Subject |
Animal
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Geo. Extent |
Hastings Reserve
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URL |
https://berkeley.app.box.com/files/0/f/372728021/1/f_42547492289
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NRS Registry? |
yes
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Format |
Paper
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Timespan Start |
1963
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Timespan End |
1970
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Total Items |
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Databased Items |
0 (as of 2012-08-28)
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Comments |
Francis, W. J. 1970. The influence of weather on population fluctuation in California quail. J. Wildl. Manage. 34:249-266.https://berkeley.app.box.com/files/0/f/372728021/1/f_42547492289 HBC Added link to pub in box Also stable url for pub http://www.jstor.org/stable/pdf/3799009.pdf 3-Nov-15
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Entered By |
Jessica Rothery
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Last Updated |
2015-12-28 12:05:31
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