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| Web URL(s): | http://www.jstor.org/stable/pdf/10.2307/2402656.pdf
Last checked: 01/14/2016
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Access conditions: Item is within a limited-access website |
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| Publication Type:
| Refereed |
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| Author(s): | Rabinowitz, Deborah;
Rapp, Jody K. |
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| Author Affiliation: | Division of Biological Sciences, University of Michigan, Ann Arbor and Division of Biological Sciences, University of Missouri, Columbia |
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| Title: | Seed rain in a north american tall grass prairie |
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| Source: | Journal of Applied Ecology. Vol. 17, No. 3, December 1980, p. 793-802. |
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| Publishing Information: | Oxford, England: Blackwell Scientific Publications |
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| Keywords: | TIC Keywords: Solidago; Aster; Native North American grasses
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| Geographic Terms: | North America |
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| Abstract/Contents: | (1) In order to measure total annual seed rain for a native grassland in North America, fifty 9 cm diameter sticky traps were exposed to collect dispersing propagules for 26 weeks in 1978. (2) 19,700 seeds m-2 were trapped (per trap for In-transformed data, x~ = 126, x~ - s = 91, x~ + s + 173). This figure is much higher (by two orders of magnitude) than previous reports for non-grassland habitats, but is an underestimate because vegetation partially obscured the trap surfaces and because dispersal continued into the winter when the traps became snow-covered. (3) There were two peaks of dispersal activity: one in early summer for graminoid species and another in early autumn for both dicots (mostly Solidago spp. and Aster spp.) and warm season grasses. The number of seeds falling per week is weakly correlated with the strength of wind for the previous week. (4) Thirty taxa were identified to species, and two taxa were lumped, probably containing an additional nine species. The distribution of the number of seeds caught among species appears uniform for logarithmic classes (strongly right skewed for arithmetic classes). (5) The seed rain was spatially patchy, and this result may strongly influence subsequent seedling interactions. (6) The species composition of the seed rain qualitatively resembled the flowering community much more closely than it resembled the seed pool in the soil. There is a 71% reduction of seed density from the rain to the soil pool. |
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| Language: | English |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Rabinowitz, D., and J. K. Rapp. 1980. Seed rain in a north american tall grass prairie. J. Appl. Ecol. 17(3):p. 793-802. |
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| Web URL(s):
http://www.jstor.org/stable/pdf/10.2307/2402656.pdf
Last checked: 01/14/2016
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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MSU catalog number: S 3 .J86 |
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