IMHE OpenIR  > Journal of Mountain Science  > Journal of Mountain Science-2011  > Vol8 No.6
Diurnal variation in relative photosynthetic performance of marestail (Hippuris vulgaris Linn.) Across a water temperature gradient using PAM fluorometry in Jiuzhaigou National Nature Reserve, Sichuan Province, China
Gao Linan; Tang Ya; Bossard, Carla; Wang Yan; Han Zhiguo
Corresponding AuthorTang, Y (reprint author), Sichuan Univ, Coll Architecture & Environm, Dept Environm, Chengdu 610065, Peoples R China.
2011-12
Source PublicationJOURNAL OF MOUNTAIN SCIENCE
ISSN1672-6316
Volume8Issue:6Pages:794–807
AbstractThis paper reports the first photosynthetic study of marestail in Jiuzhaigou. In this work, we used PAM fluorometry to examine photosynthetic rates of submerged and emerged marestail in three lakes. Three lakes were studied across a gradient of water temperature, with low water temperature conditions in Grass Lake and Arrow Bamboo Lake, and higher water temperature in Five Colored Lake. In the field, electron transport rates (ETRmax) were measured as rapid light curves (RLCs) by in situ yield measurements. Submerged and emerged marestail showed higher photosynthetic activity in Five Colored Lake compared to the other lakes, a response consistent with the adaptation of marestail in Five Colored Lake to high water temperature. The optimal temperature for photosynthesis of submerged marestail in Jiuzhaigou was about 12 A degrees C. Nonphotochemical quenching (NPQ) of submerged and emerged marestail increased with increasing water temperature. Maximum quantum yield (F (v)/F (m)) of submerged marestail in Five Colored Lake showed full recovery at 1700 h due to higher NPQ. Further, the chlorophyll a for submerged marestail was the highest in Grass Lake and the lowest in Five Colored Lake. These results indicate that in different lakes the function of these aquatic plants is associated with a diversity of place-dependent environmental conditions, especially water temperature that leads to pronounced differences in the plant's ecophysiological reactions.
KeywordWater Temperature Photosynthetic Chlorophyll Marestail
Language英语
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/5873
CollectionJournal of Mountain Science _Journal of Mountain Science-2011_Vol8 No.6
Recommended Citation
GB/T 7714
Gao Linan,Tang Ya,Bossard, Carla,et al. Diurnal variation in relative photosynthetic performance of marestail (Hippuris vulgaris Linn.) Across a water temperature gradient using PAM fluorometry in Jiuzhaigou National Nature Reserve, Sichuan Province, China[J]. JOURNAL OF MOUNTAIN SCIENCE,2011,8(6):794–807.
APA Gao Linan,Tang Ya,Bossard, Carla,Wang Yan,&Han Zhiguo.(2011).Diurnal variation in relative photosynthetic performance of marestail (Hippuris vulgaris Linn.) Across a water temperature gradient using PAM fluorometry in Jiuzhaigou National Nature Reserve, Sichuan Province, China.JOURNAL OF MOUNTAIN SCIENCE,8(6),794–807.
MLA Gao Linan,et al."Diurnal variation in relative photosynthetic performance of marestail (Hippuris vulgaris Linn.) Across a water temperature gradient using PAM fluorometry in Jiuzhaigou National Nature Reserve, Sichuan Province, China".JOURNAL OF MOUNTAIN SCIENCE 8.6(2011):794–807.
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