Plant size variation and vertebrate herbivory: winter wheat grazed by rabbits
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Plant size variation and vertebrate herbivory : winter wheat grazed by rabbits. / Crawley, M. J.; Weiner, J.
In: Journal of Applied Ecology, Vol. 28, No. 1, 01.01.1991, p. 154-172.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Plant size variation and vertebrate herbivory
T2 - winter wheat grazed by rabbits
AU - Crawley, M. J.
AU - Weiner, J.
PY - 1991/1/1
Y1 - 1991/1/1
N2 - Shoot-weight distributions of ungrazed Triticum aestivum changed significantly over the growing season, with size inequality between plants increasing rapidly at first, peaking in mid-winter, and remaining high thereafter. Variance:mean relationships for shoot-weight distributions conformed to Taylor's Power Law throughout the growing season, becoming Poisson by harvest time. Continuous Oryctolagus cuniculus grazing reduced mean plant size and consistently increased size inequality. The largest plants in populations grazed in winter and then allowed to recover were typically larger than the largest plants from ungrazed populations, probably due to a reduction in competition from mortality caused by grazing. Weight distributions of grazed populations tended to show increased skewness and kurtosis compared with ungrazed populations. -from Authors
AB - Shoot-weight distributions of ungrazed Triticum aestivum changed significantly over the growing season, with size inequality between plants increasing rapidly at first, peaking in mid-winter, and remaining high thereafter. Variance:mean relationships for shoot-weight distributions conformed to Taylor's Power Law throughout the growing season, becoming Poisson by harvest time. Continuous Oryctolagus cuniculus grazing reduced mean plant size and consistently increased size inequality. The largest plants in populations grazed in winter and then allowed to recover were typically larger than the largest plants from ungrazed populations, probably due to a reduction in competition from mortality caused by grazing. Weight distributions of grazed populations tended to show increased skewness and kurtosis compared with ungrazed populations. -from Authors
UR - http://www.scopus.com/inward/record.url?scp=0025953239&partnerID=8YFLogxK
U2 - 10.2307/2404122
DO - 10.2307/2404122
M3 - Journal article
AN - SCOPUS:0025953239
VL - 28
SP - 154
EP - 172
JO - Journal of Applied Ecology
JF - Journal of Applied Ecology
SN - 0021-8901
IS - 1
ER -
ID: 224652911