Seed predation by rodents in northwest Yunnan Province

YANG Xiaolan; GONG Hede

doi:10.11833/j.issn.2095-0756.2015.03.017

Volume 32 Issue 3

May 2015

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YANG Xiaolan, GONG Hede. Seed predation by rodents in northwest Yunnan Province[J]. Journal of Zhejiang A&F University, 2015, 32(3): 440-445. doi: 10.11833/j.issn.2095-0756.2015.03.017

Citation:

YANG Xiaolan, GONG Hede. Seed predation by rodents in northwest Yunnan Province[J]. Journal of Zhejiang A&F University, 2015, 32(3): 440-445. doi: 10.11833/j.issn.2095-0756.2015.03.017

Seed predation by rodents in northwest Yunnan Province

doi: 10.11833/j.issn.2095-0756.2015.03.017

YANG Xiaolan,
GONG Hede^,

1.
Ecotourism Faculty, Southwest Forestry University, Kunming 650224, Yunnan, China

Received Date: 2014-07-10
Rev Recd Date: 2014-09-28
Publish Date: 2015-06-20

Abstract

To determine the possible effects of plant species, seed density, habitat, and time on seed predation, a survey was conducted for two years on seed predation of 54 species in two habitats of northwest Yunnan Province. Artificial seed deposition were conducted in the field to collect the seed predation data. At each habitat in both years, the sample size for each density level per species was 30, i.e. 5 replications in each of the 6 experimental days. Results demonstrated that （1） the average seed predation rate in 2005 （17.4%） was much lower than in 2006 （66.6%）（ANOVA, P＜0.001）. Also, （2） seeds suffered much more predation in the less disturbed habitats （46.2%） than in the heavily disturbed habitats （33.9%）（ANOVA, P＜0.001）, but （3） seeds suffered similar predation in both high （40.3%） and low densities （39.8%）（ANOVA, P = 0.519）. （4） Seed predation rates strongly differed among species（ANOVA, P＜0.001） with no relationships being found between seed length/weight and seed predation （Spearmans rank correlation, P＞0.05）. Finally, （5） effects of seed coat hardness on seed predation existed in 2006 （ANOVA, P = 0.007）, but not in 2005 （ANOVA, P = 0.325）. From our results, it seems that seed predation by rodents may be affected by varied factors which should be more considered in the future studies. ［Ch, 2 tab. 34 ref.］
- zoology,
- rodent,
- seed predation,
- seed trait,
- Yunnan Province

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Seed predation by rodents in northwest Yunnan Province

1. Ecotourism Faculty, Southwest Forestry University, Kunming 650224, Yunnan, China

Received Date: 2014-07-10

Rev Recd Date: 2014-09-28

Publish Date: 2015-06-20

Key words:

Abstract: To determine the possible effects of plant species, seed density, habitat, and time on seed predation, a survey was conducted for two years on seed predation of 54 species in two habitats of northwest Yunnan Province. Artificial seed deposition were conducted in the field to collect the seed predation data. At each habitat in both years, the sample size for each density level per species was 30, i.e. 5 replications in each of the 6 experimental days. Results demonstrated that （1） the average seed predation rate in 2005 （17.4%） was much lower than in 2006 （66.6%）（ANOVA, P＜0.001）. Also, （2） seeds suffered much more predation in the less disturbed habitats （46.2%） than in the heavily disturbed habitats （33.9%）（ANOVA, P＜0.001）, but （3） seeds suffered similar predation in both high （40.3%） and low densities （39.8%）（ANOVA, P = 0.519）. （4） Seed predation rates strongly differed among species（ANOVA, P＜0.001） with no relationships being found between seed length/weight and seed predation （Spearmans rank correlation, P＞0.05）. Finally, （5） effects of seed coat hardness on seed predation existed in 2006 （ANOVA, P = 0.007）, but not in 2005 （ANOVA, P = 0.325）. From our results, it seems that seed predation by rodents may be affected by varied factors which should be more considered in the future studies. ［Ch, 2 tab. 34 ref.］

Seed predation by rodents in northwest Yunnan Province

doi: 10.11833/j.issn.2095-0756.2015.03.017

Abstract

References

Proportional views

通讯作者: 陈斌, bchen63@163.com

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