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Publication Type J
Authors Ungar, IA; Woodell, SRJ
Author Full Name Ungar, IA; Woodell, SRJ
Title Similarity of seed banks to aboveground vegetation in grazed and ungrazed salt marsh communities on the Gower Peninsula, South Wales
Source INTERNATIONAL JOURNAL OF PLANT SCIENCES
Language English
Document Type Article
Keywords Plus GERMINATION; GRADIENT
Abstract Seed bank and aboveground species composition of four salt marsh plant communities on the Cower Peninsula, South Wales, were compared. Puccinellia maritima was the dominant or codominant species in the vegetation on all of the marshes investigated. Two of the marshes were ungrazed (Oxwich, Three Cliffs Bay), one lightly grazed by horses (Cwm Ivy), and one heavily grazed by sheep (Landimore). Two annual species, Salicornia europaea and Suaeda maritima, accounted for less than 15% of the plant cover in the four salt marshes, but their seeds accounted for over 60% of the seed bank in the Cwm Ivy, Oxwich, and Landimore marshes. The two annuals comprised 100% of the seed bank of the heavily grazed marsh, but only 13.6% of the total plant cover. Ungrazed and lightly grazed marshes had percentage similarities between seed bank and plant cover ranging from 1.7% to 12.3%, while the grazed marsh had a value of 13.7%. An unweighted pair group mean cluster analysis indicated that three of the four plant communities formed a cluster at 55% for vegetation and 65.3% for seed banks. However, because the dominant perennial grass species P. maritima did not produce a persistent seed bank, none of the plant communities formed clusters with their seed banks.
Author Address UNIV OXFORD,DEPT PLANT SCI,OXFORD OX1 3RB,ENGLAND
Reprint Address Ungar, IA (reprint author), OHIO UNIV,DEPT ENVIRONM & PLANT BIOL,ATHENS,OH 45701, USA.
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Cited Reference Count 19
Times Cited 31
Total Times Cited Count (WoS, BCI, and CSCD) 34
Publisher UNIV CHICAGO PRESS
Publisher City CHICAGO
Publisher Address 5720 S WOODLAWN AVE, CHICAGO, IL 60637
ISSN 1058-5893
29-Character Source Abbreviation INT J PLANT SCI
ISO Source Abbreviation Int. J. Plant Sci.
Publication Date NOV
Year Published 1996
Volume 157
Issue 6
Beginning Page 746
Ending Page 749
Digital Object Identifier (DOI) 10.1086/297398
Page Count 4
Web of Science Category Plant Sciences
Subject Category Plant Sciences
Document Delivery Number WC486
Unique Article Identifier WOS:A1996WC48600011
Plants associated with this reference

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