2009
DOI: 10.1016/j.ecss.2008.10.005
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Seagrass (Zostera muelleri) patch size and spatial location influence infaunal macroinvertebrate assemblages

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Cited by 49 publications
(32 citation statements)
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“…When comparing continuous (> 2 ha) and fragmented seagrass (patch size range: 6 to 9 m 2 ), Frost et al (1999) found no effect of seascape configuration on infaunal density, diversity (19 taxa, H ' = 2.40 to 2.49), silt content and rhizome biomass, but configuration had a significant influence on the composition of the infaunal community. Similarly, in a comparison of fragmented (patch size range: 1 to 200 m 2 ) and continuous meadows (>1000 m 2 ) in 2 intertidal inlets in New Zealand, Mills & Berkenbusch (2009) found significant effects of seascape configuration on infaunal community composition. In the same study, density of individuals and the number of taxa (range 48 to 52) was significantly lower in fragmented landscapes at both study sites, while diversity (H ' = 1.8 to 2) showed inconsistent patterns in relation to configuration between sites.…”
Section: Fragmentation Effectsmentioning
confidence: 83%
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“…When comparing continuous (> 2 ha) and fragmented seagrass (patch size range: 6 to 9 m 2 ), Frost et al (1999) found no effect of seascape configuration on infaunal density, diversity (19 taxa, H ' = 2.40 to 2.49), silt content and rhizome biomass, but configuration had a significant influence on the composition of the infaunal community. Similarly, in a comparison of fragmented (patch size range: 1 to 200 m 2 ) and continuous meadows (>1000 m 2 ) in 2 intertidal inlets in New Zealand, Mills & Berkenbusch (2009) found significant effects of seascape configuration on infaunal community composition. In the same study, density of individuals and the number of taxa (range 48 to 52) was significantly lower in fragmented landscapes at both study sites, while diversity (H ' = 1.8 to 2) showed inconsistent patterns in relation to configuration between sites.…”
Section: Fragmentation Effectsmentioning
confidence: 83%
“…Composition: studies investigating influence of spatial configuration on the composition of infaunal or epifaunal assemblages using multivariate statistics (e.g. Frost et al 1999, Tanner 2003, Mills & Berkenbusch 2009 on nekton composition and abundance relative to total marsh area, few studies have related nekton density to individual patch size or density, and the documented relationships vary considerably by species. Meynecke et al (2008) provided one of the few comparisons of fish biomass by patch size across a comprehensive sea scape mosaic composed of seagrass, mangrove, marsh, other wetlands, mud, and sand patches (Queensland, Australia).…”
Section: Patch Size Effectsmentioning
confidence: 99%
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“…In Hoopers Inlet, where lugworms were abundant in all intertidal zones, seagrass was absent. In contrast, in Papanui Inlet and at Harwood low lugworm abundance in mid and low intertidal zones coincided with widely distributed seagrass (Mills & Berkenbusch 2009). The cooccurrence of seagrass, stabilising and binding the sediment, may inhibit the distribution of large burrowers such as lugworms due to cohesive and dense root and rhizome matrices, which are difficult to penetrate for burrowing infauna and thus limit their spatial expansion (Brenchley 1982;Reise 1985;van Houte-Howes et al 2004;Siebert & Branch 2005;Berkenbusch et al 2007;van Wesenbeeck et al 2007).…”
Section: Discussionmentioning
confidence: 95%
“…Whereas lugworms inhabit both inlets, seagrass only occurs in Papanui Inlet, but not in Hoopers Inlet. In Papanui Inlet, Z. muelleri forms an extensive, continuous meadow in the mid and low intertidal zones, whereas the high intertidal zone is characterised by fragmented seagrass habitat (Mills and Berkenbusch 2009).…”
Section: Lugworm Samplingmentioning
confidence: 99%