Eco-physiological responses of Scirpus planiculmis to different water-salt conditions in Momoge Wetland

Zhang, Lei, Zhang, Guangxin, Li, Huifang, and Sun, Guangzhi (2014) Eco-physiological responses of Scirpus planiculmis to different water-salt conditions in Momoge Wetland. Polish Journal of Environmental Studies, 23 (5). pp. 1813-1820.

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Abstract

As a common plant in Momoge Wetland, Scirpus planiculmis is the major food source for Siberian Crane (Grus leucogeranus), which is one of the most valuable waterfowl in Momoge Wetland. Through a simulation experiment, this study investigated the effects of different water table depths (-5, 5, 10, 20, and 30 cm) and salinities (300, 1,000, 3,000, 4,000, and 5,000 mg/L) on the eco-physiological characteristics (height, leaf area per plant, chlorophyll content, and chlorophyll fluorescence) of Scirpus planiculmis. The results indicate that for the seedlings of Scirpus planiculmis, the effects of water depth on plant height, leaf area per plant, and chlorophyll content were significant, while salinity affected height increment, chlorophyll content, and chlorophyll fluorescence parameters. For the plants of Scirpus planiculmis, the water depth had a significant effect on height increment and chlorophyll content, while salinity had a significant effect on height increment, chlorophyll content, and chlorophyll fluorescence parameters. These results indicate a suitable ecological response thresholds of water table and salinity on the growth of Scirpus planiculmis seedlings and plants, which were 5-10 cm and less than 3,000 mg/L for seedlings, 30 cm and 300-4,000 mg/L for plants.

Item ID: 37035
Item Type: Article (Research - C1)
ISSN: 1230-1485
Keywords: Scirpus planiculmis, Momoge wetland, water-salt interaction, eco-physiological response
Funders: National Natural Science Foundation of China (NNSFC), Key Scientific and Technological Project of Jilin Province (KSTPJP), Science and Technology Development Plan of Jilin Province (STDPJP), Ministry of Water Resources of China (MWRC), nternational Partnership Program for Creative Research Teams (CAS/SAFEA)
Projects and Grants: NNSFC grant No. 41371108 , NNSFC grant No. 41301086, KSTPJP 20130206012SF, STDPJP No. 20140520149JH, MWRC No. 201401014
Date Deposited: 07 Jan 2015 07:59
FoR Codes: 05 ENVIRONMENTAL SCIENCES > 0502 Environmental Science and Management > 050206 Environmental Monitoring @ 75%
05 ENVIRONMENTAL SCIENCES > 0501 Ecological Applications > 050102 Ecosystem Function @ 25%
SEO Codes: 96 ENVIRONMENT > 9605 Ecosystem Assessment and Management > 960506 Ecosystem Assessment and Management of Fresh, Ground and Surface Water Environments @ 100%
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