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Impacts of Animal Herbivory and Water Depth on Seed Germination and Seedling Survival of Vallisneria natans (Lour.) Hara and Hydrilla verticillata (L. f.) Royle
Min, Fenli1,2; Zuo, Jincheng3; Lin, Qingwei1,2; Zhang, Yi1; Liu, Biyun1; Sun, Jian1,2; He, Feng1; Wu, Zhenbin1
Corresponding AuthorLiu, Biyun(liuby@ihb.ac.cn) ; He, Feng(hefeng@ihb.ac.cn)
2019
Source PublicationPOLISH JOURNAL OF ENVIRONMENTAL STUDIES
ISSN1230-1485
Volume28Issue:1Pages:275-281
AbstractSeed germination is an important reproductive pattern for submerged macrophytes. In order to investigate the effects of animal herbivory and water depth on seed germination and seedling survival of Vallisneria natans and Hydrilla verticillata, we conducted an in-situ field experiment at 3 water depths (0.5, 1, and 2 m) with net and non-net (control) groups in Hangzhou West Lake, China. The results showed that the highest germination rates appeared at 1 m water depth and the lowest germination rates appeared at 2 m water depth (p<0.05) for both species. The mean time to germination (MTG) values that indicate the velocity of germination are greater at 2 m water depth than that at 0.5 m and 1 m water depths for both V. natans and H. verticillata. Net protection obviously promoted germination rates of both species at 0.5 m and 1 m depths, especially for H. verticillata at 1 m (p<0.05). Germination rates of H. verticillata were higher than that of V. natans under any treatment (p<0.05). In the control, seedlings of both species were greatly grazed by herbivorous animals and the remaining seedling number showed no significant difference at different depths (p>0.05). Remaining seedling number in net group was significantly higher than that in control group (p<0.05). Grazing rate of H. verticillata was significantly higher than that of V. natans in control group at all 3 depths (p<0.05). Conclusively, both water depth and animal herbivory significantly influenced germination of V. natans and H. verticillata, and net protection proved to be an efficient method that could promote seedling survival for both species in the field.
KeywordVallisneria natans Hydrilla verticillata seed germination water depth animal herbivory seedling survival
DOI10.15244/pjoes/83690
Funding OrganizationMajor Science and Technology Program for Water Pollution Control and Treatment of China 12th Five-Year Plan ; National Nature Science Foundation of China ; state key laboratory of Freshwater Ecology and Biotechnology ; Major Science and Technology Program for Water Pollution Control and Treatment of China 12th Five-Year Plan ; National Nature Science Foundation of China ; state key laboratory of Freshwater Ecology and Biotechnology
Indexed BySCI ; SCI
Language英语
Funding ProjectMajor Science and Technology Program for Water Pollution Control and Treatment of China 12th Five-Year Plan[2012ZX07101007-005] ; National Nature Science Foundation of China[51709254] ; state key laboratory of Freshwater Ecology and Biotechnology[2017FB05]
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000458947300027
WOS KeywordSUBMERGED MACROPHYTES ; GRASS CARP ; MYRIOPHYLLUM-SPICATUM ; ENVIRONMENTAL-FACTORS ; AQUATIC ECOSYSTEM ; ZOSTERA-MARINA ; SHALLOW ; RESTORATION ; ESTABLISHMENT ; REGENERATION
PublisherHARD
Funding OrganizationMajor Science and Technology Program for Water Pollution Control and Treatment of China 12th Five-Year Plan ; National Nature Science Foundation of China ; state key laboratory of Freshwater Ecology and Biotechnology ; Major Science and Technology Program for Water Pollution Control and Treatment of China 12th Five-Year Plan ; National Nature Science Foundation of China ; state key laboratory of Freshwater Ecology and Biotechnology
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/27997
Corresponding AuthorLiu, Biyun; He, Feng
Affiliation1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan, Hubei, Peoples R China
2.Univ Chinese Acad Sci, Beijing, Peoples R China
3.Ludong Univ, Sch Life Sci, Yantai, Peoples R China
Recommended Citation
GB/T 7714
Min, Fenli,Zuo, Jincheng,Lin, Qingwei,et al. Impacts of Animal Herbivory and Water Depth on Seed Germination and Seedling Survival of Vallisneria natans (Lour.) Hara and Hydrilla verticillata (L. f.) Royle[J]. POLISH JOURNAL OF ENVIRONMENTAL STUDIES,2019,28(1):275-281.
APA Min, Fenli.,Zuo, Jincheng.,Lin, Qingwei.,Zhang, Yi.,Liu, Biyun.,...&Wu, Zhenbin.(2019).Impacts of Animal Herbivory and Water Depth on Seed Germination and Seedling Survival of Vallisneria natans (Lour.) Hara and Hydrilla verticillata (L. f.) Royle.POLISH JOURNAL OF ENVIRONMENTAL STUDIES,28(1),275-281.
MLA Min, Fenli,et al."Impacts of Animal Herbivory and Water Depth on Seed Germination and Seedling Survival of Vallisneria natans (Lour.) Hara and Hydrilla verticillata (L. f.) Royle".POLISH JOURNAL OF ENVIRONMENTAL STUDIES 28.1(2019):275-281.
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