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Publication Type J
Authors Dale, P; Dale, P
Author Full Name Dale, Paul; Dale, Pat
Title Environmental change over 28 years in a subtropical salt marsh: optimal classification and pictures from the exposition
Source COMMUNITY ECOLOGY
Language English
Document Type Article
Author Keywords Clustering; Mangrove; Process; Salt marsh; Sarcocornia quinqueflora Sporobolus virginicus; Transitions
Keywords Plus HABITAT MODIFICATION; ASSESSING IMPACTS
Abstract We examine monitoring data for 28 years of change in a sub-tropical salt marsh where the hydrology had been minimally modified for mosquito control. This extends the work previously published in 2002 for 14 years of data, analysed by Mike Dale (Dale and Dale 2002 Community Ecol. 3: 19-29). The Minimum Message Length method was used in an unsupervised classification to determine the optimum classes, based on the characteristics of the two dominant plant species: Sporobolus virginicus and Sarcocornia quinqueflora. A question at that time was whether the observed changes were only those of state (or condition) or if they were associated with a change in the underlying saltmarsh processes (dynamics). In the 28-year analysis we have been able to address this issue. The classes were generally similar to those in the 2002 analysis. However, class extinctions occurred over the 28 years and only four classes remained: three were stands of Sporobolus and the other was bare mud. The latter, with mangrove pneumatophores, represented the encroachment of Avicennia mangroves into salt marsh. We suggest that the class extinctions and the final loss of most of the plants represent a change in the processes operating in the marsh. The observed changes may be related to sea level and/or climate changes but future research would be needed to assess this.
Author Address [Dale, Pat] Griffith Univ, Griffith Sch Environm, Environm Futures Res Inst, Nathan Campus,Kessels Rd, Nathan, Qld 4111, Australia
Reprint Address Dale, P (reprint author), Griffith Univ, Griffith Sch Environm, Environm Futures Res Inst, Nathan Campus,Kessels Rd, Nathan, Qld 4111, Australia.
E-mail Address ppzgs1@gmail.com; p.dale@griffith.edu.au
Funding Agency and Grant Number Mosquito and Arbovirus Research Committee; Queensland Department of Health; Local Governments in south-east Queensland (Gold Coast City)
Funding Text We thank the reviewers for their constructive comments. We also thank the many students who have helped to collect the field data. Financial support has been received from time to time from Local Governments in south-east Queensland (especially from the Gold Coast City) and from the Mosquito and Arbovirus Research Committee and the Queensland Department of Health.
Cited References Boulton D. M., 1970, Computer Journal, V13, P63, DOI 10.1093/comjnl/13.1.63; Dale M. B., 2004, Community Ecology, V5, P203, DOI 10.1556/ComEc.5.2004.2.9; Dale MB, 2013, COMMUNITY ECOL, V14, P196, DOI 10.1556/ComEc.14.2013.2.10; Dale MB, 2002, ECOL MODEL, V156, P185, DOI 10.1016/S0304-3800(02)00158-8; Dale PER, 2012, WETL ECOL MANAG, V20, P233, DOI 10.1007/s11273-012-9262-6; Dale P. E. R., 2002, Community Ecology, V3, P19, DOI 10.1556/ComEc.3.2002.1.3; Dale Pat E. R., 2008, Wetlands Ecology and Management, V16, P77, DOI 10.1007/s11273-007-9058-2; DALE PER, 1993, J AM MOSQUITO CONTR, V9, P174; Dowe DL, 2011, HBK PHILOS SCI, V7, P901; Eslami-Andargoli L, 2010, ESTUAR COAST SHELF S, V89, P53, DOI 10.1016/j.ecss.2010.05.011; Eslami-Andergoli L, 2015, WETL ECOL MANAG, V23, P791, DOI 10.1007/s11273-014-9352-8; Eslami-Andargoli L, 2009, COASTAL SHELF SCI, V85, P292, DOI DOI 10.1016/J.ECSS.2009.08.011; Jones J, 2004, ESTUAR COAST SHELF S, V61, P45, DOI 10.1016/j.ecss.2004.04.002; Kasarapu P, 2015, MACH LEARN, V100, P333, DOI 10.1007/s10994-015-5493-0; National Tidal Centre Bureau of Meteorology, 2011, AUSTR BAS SEA LEV MO; Visser G., 2012, Computational Ecology and Software, V2, P140; Wallace C., 2005, STAT INDUCTIVE INFER
Cited Reference Count 17
Publisher AKADEMIAI KIADO RT
Publisher City BUDAPEST
Publisher Address PRIELLE K U 19, PO BOX 245,, H-1117 BUDAPEST, HUNGARY
ISSN 1585-8553
29-Character Source Abbreviation COMMUNITY ECOL
ISO Source Abbreviation Community Ecol.
Publication Date DEC
Year Published 2016
Volume 17
Issue 2
Beginning Page 198
Ending Page 204
Digital Object Identifier (DOI) 10.1556/168.2016.17.2.8
Page Count 7
Web of Science Category Ecology
Subject Category Environmental Sciences & Ecology
Document Delivery Number EH8FX
Unique Article Identifier WOS:000392008400008
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