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Authors Gleason, SM; Ewel, KC; Hue, N
Author Full Name Gleason, SM; Ewel, KC; Hue, N
Title Soil redox conditions and plant-soil relationships in a micronesian mangrove forest
Source ESTUARINE COASTAL AND SHELF SCIENCE
Language English
Document Type Article
Author Keywords species composition; redox potential; soluble reactive P; extractable R; micronesia
Keywords Plus RHIZOPHORA-MANGLE; ORGANIC-MATTER; GROWTH; PHOSPHORUS; SALINITY; IRON; VEGETATION; MANGANESE; AVAILABILITY; SEDIMENTS
Abstract We examined characteristics of the soil environment related to redox in the rhizospheres of three mangrove species that commonly grow in similar hydrogeomorphic settings: Rhizophora apiculata BL, Bruguiera gymnorrhiza (L.) Lamk., and Sonneratia alba J. Redox potential (Eh) values and extractable P concentrations were significantly higher, whereas soluble reactive P (SRP) concentrations were significantly lower in Bruguiera plots than in either Rhizophora or Sonneratia plots. Correlations among Eh, SRP, pyrite and extractable P were significant only at plots with negative Eli values. Sonneratia and Bruguiera plots had significantly different soil redox conditions. Bruguiera plots were characterized by more oxidized soil conditions (ca. 80 mV), lower dissolved P concentrations in porewater (ca. 50%), and higher extractable P concentrations in soil (ca. 25%). Differences in Eli and P reflect real differences among species and appeared not to be associated with hydrology. Species-specific differences may be engendered by the trees themselves, or they may reflect microsite differences that have favored the germination, growth, and survival of particular mangrove species. (C) 2003 Elsevier Science B.V. All rights reserved.
Author Address Univ Hawaii, Dept Trop Plant & Soil Sci, Honolulu, HI 96822 USA; US Forest Serv, USDA, Pacific SW Res Stn, Honolulu, HI 96813 USA
Reprint Address Gleason, SM (corresponding author), Univ Hawaii, Dept Trop Plant & Soil Sci, 1910 East West Rd, Honolulu, HI 96822 USA.
E-mail Address gleasons@shafter.army.mil
ResearcherID Number Gleason, Sean M/AAZ-7685-2020
Times Cited 34
Total Times Cited Count (WoS, BCI, and CSCD) 39
Publisher ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
Publisher City LONDON
Publisher Address 24-28 OVAL RD, LONDON NW1 7DX, ENGLAND
ISSN 0272-7714
29-Character Source Abbreviation ESTUAR COAST SHELF S
ISO Source Abbreviation Estuar. Coast. Shelf Sci.
Publication Date APR
Year Published 2003
Volume 56
Issue 5-6
Beginning Page 1065
Ending Page 1074
Digital Object Identifier (DOI) 10.1016/S0272-7714(02)00307-4
Page Count 10
Web of Science Category Marine & Freshwater Biology; Oceanography
Subject Category Marine & Freshwater Biology; Oceanography
Document Delivery Number 708VC
Unique Article Identifier WOS:000184589500018
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