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Authors Turner, SJ
Author Full Name Turner, S. J.
Title Growth and productivity of intertidal Zostera capricorni in New Zealand estuaries
Source NEW ZEALAND JOURNAL OF MARINE AND FRESHWATER RESEARCH
Language English
Document Type Article
Author Keywords seagrass; leaf growth rates; leaf productivity; rhizome growth rates; environmental stress; emersion
Keywords Plus SEAGRASS COLONIZATION; POPULATION-DYNAMICS; BIOMASS DEVELOPMENT; RHIZOME GROWTH; NOLTII HORNEM; LEAF GROWTH; MARINA; EELGRASS; SHOOT; ASCHERS
Abstract In situ leaf and rhizome growth and productivity rates were determined for intertidal populations of Zostera capricorni in three New Zealand estuaries on four occasions in summer and winter 2000 and 2001. Leaf growth and productivity, leaf plastochrone interval, leaf life-spans and turnover rates were found to vary depending on site, bed position, season, and year. Absolute leaf growth (2.1 +/- 0.8mm leaf(-1) day(-1)) and productivity (0.4 +/- 0.2 mg shoot(-1) day(-1)) were generally lowest, relative growth (0.2 +/- 0.6mm leaf-I day-1) and productivity (0.4 +/- 0.4 mg shoot(-1) day(-1)) highest, and the leaf and shoot plastochrone intervals shorter at the site exposed to greater desiccation stress and photoinhibitory high irradiances. Rhizome growth rates, the production of new branches and shoots, as well as rhizome and shoot plastochrone intervals were also found to vary depending on site, season, and year. The results indicate that Z. capricorni is able to maintain high productivity and growth rates in intertidal estuarine environments which signify a high degree of environmental stress for marine plants.
Author Address Environm Waikato, Hamilton E, New Zealand
Reprint Address Turner, SJ (corresponding author), Ocean Consulting Pty Ltd, POB 3172, Nedlands, WA 6009, Australia.
E-mail Address steph.turner@iinet.net.au
Times Cited 15
Total Times Cited Count (WoS, BCI, and CSCD) 15
Publisher TAYLOR & FRANCIS LTD
Publisher City ABINGDON
Publisher Address 2-4 PARK SQUARE, MILTON PARK, ABINGDON OR14 4RN, OXON, ENGLAND
ISSN 0028-8330
29-Character Source Abbreviation NEW ZEAL J MAR FRESH
ISO Source Abbreviation N. Z. J. Mar. Freshw. Res.
Publication Date MAR
Year Published 2007
Volume 41
Issue 1
Beginning Page 77
Ending Page 90
Digital Object Identifier (DOI) 10.1080/00288330709509897
Page Count 14
Web of Science Category Fisheries; Marine & Freshwater Biology; Oceanography
Subject Category Fisheries; Marine & Freshwater Biology; Oceanography
Document Delivery Number 162VT
Unique Article Identifier WOS:000246118300007
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