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Publication Type J
Authors Qiu, GL; Short, FT; Fan, HQ; Liu, GH
Author Full Name Qiu, Guanglong; Short, Frederick T.; Fan, Hangqing; Liu, Guohua
Title Temporal Variation of Intertidal Seagrass in Southern China (2008-2014)
Source OCEAN SCIENCE JOURNAL
Language English
Document Type Article
Author Keywords SeagrassNet; Halophila ovalis; seasonality; seagrass monitoring; human disturbance; seagrass dynamics
Keywords Plus EELGRASS ZOSTERA-MARINA; HALOPHILA-OVALIS; GROWTH DYNAMICS; POPULATION-DYNAMICS; POSIDONIA-OCEANICA; SEASONALITY; RESPONSES; JAPONICA; NOLTII; PATTERNS
Abstract Understanding the temporal dynamics of seagrasses and the major influences on seagrass growth is critical for seagrass habitat conservation and administration. However, little work has been done regarding these issues in southern China. To examine inter-annual and seasonal variations of the intertidal Halophila ovalis community in southern China, we conducted quarterly sampling using the SeagrassNet methodology and assessed environmental conditions as well as direct anthropogenic impacts on the seagrass meadow from July 2008 to October 2014. Our study demonstrated strong inter-annual and seasonal dynamics of the intertidal seagrass meadow in the study area. Generally, the community performed best (highest seagrass cover, leaf area, shoot density, total biomass) in summer and worst in spring among the 4 seasons. The temporal variations in the seagrass community attributes (e.g. above-ground biomass) were significantly affected by precipitation, atmospheric visibility, and salinity, while leaf width was significantly negatively correlated with temperature, atmospheric visibility and salinity. Temperature was a major factor influencing the seagrass community (both macroalgae and seagrass), with temperature data showing an inverse relationship between seagrass and macroalgae. The above-ground: below-ground biomass ratio and leaf width of H. ovalis were the most sensitive plant parameters monitored when assessing environmental interactions. Human physical disturbances did not have a significant effect on seagrass dynamics in the study area. We concluded that long-term monitoring (like SeagrassNet) is valuable in understanding the relationship between environmental variables and seagrasses.
Author Address [Qiu, Guanglong; Liu, Guohua] Chinese Acad Sci, Res Ctr Ecoenvironm Sci, State Key Lab Urban & Reg Ecol, Beijing 100085, Peoples R China; [Qiu, Guanglong; Fan, Hangqing] Guangxi Acad Sci, Guangxi Mangrove Res Ctr, Guangxi Key Lab Mangrove Conservat & Utilizat, Beihai 536000, Peoples R China; [Qiu, Guanglong; Liu, Guohua] Univers Chinese Acad Sci, Beijing 100049, Peoples R China; [Short, Frederick T.] Univ New Hampshire, Jackson Estuarine Lab, Durham, NH 03824 USA
Reprint Address Liu, GH (reprint author), Chinese Acad Sci, Res Ctr Ecoenvironm Sci, State Key Lab Urban & Reg Ecol, Beijing 100085, Peoples R China.; Liu, GH (reprint author), Univers Chinese Acad Sci, Beijing 100049, Peoples R China.
E-mail Address ghliu@rcees.ac.cn
Funding Agency and Grant Number Global Seagrass Monitoring Networking (SeagrassNet); Guangxi Science Foundation [2012GXNSFBA053141, 2010GXNSFE013002]; Guangxi Distinguished Experts Post
Funding Text This research was supported by the Global Seagrass Monitoring Networking (SeagrassNet), the Guangxi Science Foundation (2012GXNSFBA053141, 2010GXNSFE013002), the Guangxi Distinguished Experts Post
Cited Reference Count 52
Publisher KOREA OCEAN RESEARCH DEVELOPMENT INST
Publisher City SEOUL
Publisher Address P O BOX 29, SEOUL, 425-600, SOUTH KOREA
ISSN 1738-5261
29-Character Source Abbreviation OCEAN SCI J
ISO Source Abbreviation Ocean Sci. J.
Publication Date SEP
Year Published 2017
Volume 52
Issue 3
Beginning Page 397
Ending Page 410
Digital Object Identifier (DOI) 10.1007/s12601-017-0039-y
Page Count 14
Web of Science Category Marine & Freshwater Biology; Oceanography
Subject Category Marine & Freshwater Biology; Oceanography
Document Delivery Number FH9AM
Unique Article Identifier WOS:000411498300008
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