SHERP

Establishment strategy of a rare wetland species Sparganium erectum in Korea

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Authors
Kim, Seo Hyeon; Nam, Jong Min; Kim, Jae Geun
Issue Date
2017-08-01
Publisher
BioMed Central
Citation
Journal of Ecology and Environment., 41(1):27
Keywords
Adult nicheHabitat environmentMacrophyteRegeneration nicheSeedling establishment
Abstract
Abstract

Background
To reveal establishment strategy of Sparganium erectum, we tried to find realized niche of adults through field survey and effects of water level on the establishment process through mesocosm experiments.

Results
In the field survey, the height and coverage of community living in deeper water were greater than those of community living in shallow water. There was no statistically significant difference (p > 0.05) in the means of water and soil properties between the two communities. In mesocosm experiments, we found no correlation between water levels and germination rates, but S. erectum seedlings have characteristics of post germination seedling buoyancy when S. erectum seeds germinated in inundation conditions. Shoot height, total leaf length, and survival rates of sinking seedlings in shallow water levels at −5, 0, and 5 cm were higher than those in deeper water levels at 10 and 20 cm. Floating seedlings established in water levels of 3 and 6 cm only. The seedlings could live up to 6 weeks in floating state but died if they were unable to establish.

Conclusions
The water level around adult S. erectum communities in the field were different from the water level at which S. erectum seedlings can survive in the mesocosm experiments. The findings provided not only understanding of S. erectum habitat characteristics but also evidence to connect historical links between the early seedlings stage and adult habitat conditions. We suggested the logical establishment strategy of S. erectum based on the data.
ISSN
2288-1220
Language
English
URI
http://hdl.handle.net/10371/138326
DOI
https://doi.org/10.1186/s41610-017-0045-0
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College of Education (사범대학)Dept. of Science Education (과학교육과)Biology (생물전공)Journal Papers (저널논문_생물전공)
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