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Authors Saunders, RJ; Connell, SD
Author Full Name Saunders, RJ; Connell, SD
Title Interactive effects of shade and surface orientation on the recruitment of spirorbid polychaetes
Source AUSTRAL ECOLOGY
Language English
Document Type Article
Author Keywords light; mangroves; pneumatophore; seagrass; serpulid
Keywords Plus BENTHIC INVERTEBRATES; POPULATION-STRUCTURE; SETTLEMENT; LARVAE; FISH; MECHANISMS; COMMUNITY; ABUNDANCE; DISPERSAL; MOVEMENT
Abstract A series of observations and an experiment were carried out to test hypotheses about the effects of shade on the densities of spirorbid polychaetes (Neodexiospira spp.) on intertidal pneumatophores (mangrove roots) of Avicennia marina. Densities of spirorbids were greater on pneumatophores surrounded by seagrass (Zostera mucronata) than patches without seagrass. Within patches of seagrass, the density and survivorship of spirorbids on pneumatophores was greater near the substratum (covered by seagrass) than high above the substratum (not covered by seagrass). The model that these patterns of abundance are explained by greater recruitment of spirorbids to shaded surfaces was assessed. This was done by experimentally testing the hypothesis that recruitment to patches without seagrass would not differ between the upper (unshaded) and lower surfaces (unshaded) of clear plastic sheets, but would be greater on the lower surfaces (shaded) than upper surfaces (unshaded) of black plastic sheets. Recruitment was consistent with these predictions and therefore provided evidence that differences in densities of spirorbids between substrata with and without seagrass may be due largely to differences in shading.
Author Address Univ Adelaide, Dept Environm Biol, Adelaide, SA 5005, Australia
Reprint Address Connell, SD (corresponding author), Univ Adelaide, Dept Environm Biol, Adelaide, SA 5005, Australia.
E-mail Address sean.connell@adelaide.edu.au
ResearcherID Number Saunders, Richard/AAN-2427-2021; Connell, Sean D/A-8874-2008; Saunders, Richard/F-4319-2012
ORCID Number Connell, Sean D/0000-0002-5350-6852; Saunders, Richard/0000-0001-9890-1998
Times Cited 26
Total Times Cited Count (WoS, BCI, and CSCD) 26
Publisher WILEY-BLACKWELL
Publisher City HOBOKEN
Publisher Address 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
ISSN 1442-9985
29-Character Source Abbreviation AUSTRAL ECOL
ISO Source Abbreviation Austral Ecol.
Publication Date FEB
Year Published 2001
Volume 26
Issue 1
Beginning Page 109
Ending Page 115
Digital Object Identifier (DOI) 10.1111/j.1442-9993.2001.01090.pp.x
Page Count 7
Web of Science Category Ecology
Subject Category Environmental Sciences & Ecology
Document Delivery Number 402RM
Unique Article Identifier WOS:000167002000011
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