Microalgae, macrofauna and sediment stability: an experimental test of a reciprocal relationship
A manipulative field experiment was conducted at Blackness in the Firth of Forth, Scotland, to study the effects of differences in microphytobenthos abundance on sediment stability and macrofauna. Opaque and transparent Perspex was used to construct shaded and controlled treatments, respectively. Sh...
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| Veröffentlicht in: | Marine ecology. Progress series (Halstenbek) 2006-04, Vol.310, p.55-63 |
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| creator | Huxham, Mark Gilpin, Linda Mocogni, Marina Harper, Susan |
| description | A manipulative field experiment was conducted at Blackness in the Firth of Forth, Scotland, to study the effects of differences in microphytobenthos abundance on sediment stability and macrofauna. Opaque and transparent Perspex was used to construct shaded and controlled treatments, respectively. Shading resulted in significantly lower levels of chlorophyllarecorded from the sediment. Shaded treatments showed significant reductions in populations ofMacoma balthica,Hydrobia ulvaeandCorophium volutator, 3 of the dominant species at this site. Largely as a result of changes in the abundance of these species, multivariate analyses showed significant differences between shaded and control communities. The impacts of shading on individual species depended on the sediment characteristics. There were no significant differences between treatments in recorded sediment accretion/erosion rates. These results demonstrate the importance of microphytobenthos for the deposit feedersM. balthica,H. ulvaeandC. volutator. The absence of any effect on sediment stability might result from the reciprocal, opposite effects of macrofauna and microphytobenthos on sediment stability cancelling each other out in this experiment. |
| doi_str_mv | 10.3354/meps310055 |
| format | Article |
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Opaque and transparent Perspex was used to construct shaded and controlled treatments, respectively. Shading resulted in significantly lower levels of chlorophyllarecorded from the sediment. Shaded treatments showed significant reductions in populations ofMacoma balthica,Hydrobia ulvaeandCorophium volutator, 3 of the dominant species at this site. Largely as a result of changes in the abundance of these species, multivariate analyses showed significant differences between shaded and control communities. The impacts of shading on individual species depended on the sediment characteristics. There were no significant differences between treatments in recorded sediment accretion/erosion rates. These results demonstrate the importance of microphytobenthos for the deposit feedersM. balthica,H. ulvaeandC. volutator. The absence of any effect on sediment stability might result from the reciprocal, opposite effects of macrofauna and microphytobenthos on sediment stability cancelling each other out in this experiment.</description><identifier>ISSN: 0171-8630</identifier><identifier>EISSN: 1616-1599</identifier><identifier>DOI: 10.3354/meps310055</identifier><language>eng</language><publisher>Oldendorf: Inter-Research</publisher><subject>Animal and plant ecology ; Animal, plant and microbial ecology ; Biological and medical sciences ; Brackish ; Chlorophylls ; Community structure ; Corophium volutator ; Diatoms ; Erosion ; Fundamental and applied biological sciences. Psychology ; Hydrobia ulvae ; Macoma balthica ; Microalgae ; Mud flats ; Sea water ecosystems ; Sediments ; Shear strength ; Shear stress ; Synecology ; Taxa</subject><ispartof>Marine ecology. 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These results demonstrate the importance of microphytobenthos for the deposit feedersM. balthica,H. ulvaeandC. volutator. The absence of any effect on sediment stability might result from the reciprocal, opposite effects of macrofauna and microphytobenthos on sediment stability cancelling each other out in this experiment.</description><subject>Animal and plant ecology</subject><subject>Animal, plant and microbial ecology</subject><subject>Biological and medical sciences</subject><subject>Brackish</subject><subject>Chlorophylls</subject><subject>Community structure</subject><subject>Corophium volutator</subject><subject>Diatoms</subject><subject>Erosion</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Hydrobia ulvae</subject><subject>Macoma balthica</subject><subject>Microalgae</subject><subject>Mud flats</subject><subject>Sea water ecosystems</subject><subject>Sediments</subject><subject>Shear strength</subject><subject>Shear stress</subject><subject>Synecology</subject><subject>Taxa</subject><issn>0171-8630</issn><issn>1616-1599</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><recordid>eNpFkM1Lw0AQxRdRsFYv3oVc9CBGZ7ufOUrxCype9BwmuxNJyUfdTQ79711psacZmN97zHuMXXK4F0LJh442UXAApY7YjGuuc66K4pjNgBueWy3glJ3FuAbgWho9Y_l748KA7TfSXdZh2mucesyw91kk33TUj1kcsWraZtyes5Ma20gX-zlnX89Pn8vXfPXx8rZ8XOVOKBjzykMhSBVkK8cVLZxRdWUKrYwhWICU2gsprLZGSa8MoKq9qbwV6ElJ5GLObna-mzD8TBTHsmuio7bFnoYplimMFSleAm93YHo8xkB1uQlNh2Fbcij_GikPjST4eu-K0WFbB-xdEw8KowshtE3c1Y5bx3EI__eFtAYAjPgF2GJpPA</recordid><startdate>20060403</startdate><enddate>20060403</enddate><creator>Huxham, Mark</creator><creator>Gilpin, Linda</creator><creator>Mocogni, Marina</creator><creator>Harper, Susan</creator><general>Inter-Research</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SN</scope><scope>7TN</scope><scope>C1K</scope><scope>F1W</scope><scope>H95</scope><scope>H96</scope><scope>L.G</scope><scope>M7N</scope></search><sort><creationdate>20060403</creationdate><title>Microalgae, macrofauna and sediment stability</title><author>Huxham, Mark ; Gilpin, Linda ; Mocogni, Marina ; Harper, Susan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c350t-bd093e59e8bc15e2c75fb796577e020446d343868754d570a5fd7bd83ade54a13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2006</creationdate><topic>Animal and plant ecology</topic><topic>Animal, plant and microbial ecology</topic><topic>Biological and medical sciences</topic><topic>Brackish</topic><topic>Chlorophylls</topic><topic>Community structure</topic><topic>Corophium volutator</topic><topic>Diatoms</topic><topic>Erosion</topic><topic>Fundamental and applied biological sciences. 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Progress series (Halstenbek)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Huxham, Mark</au><au>Gilpin, Linda</au><au>Mocogni, Marina</au><au>Harper, Susan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Microalgae, macrofauna and sediment stability: an experimental test of a reciprocal relationship</atitle><jtitle>Marine ecology. Progress series (Halstenbek)</jtitle><date>2006-04-03</date><risdate>2006</risdate><volume>310</volume><spage>55</spage><epage>63</epage><pages>55-63</pages><issn>0171-8630</issn><eissn>1616-1599</eissn><abstract>A manipulative field experiment was conducted at Blackness in the Firth of Forth, Scotland, to study the effects of differences in microphytobenthos abundance on sediment stability and macrofauna. Opaque and transparent Perspex was used to construct shaded and controlled treatments, respectively. 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| ispartof | Marine ecology. Progress series (Halstenbek), 2006-04, Vol.310, p.55-63 |
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| source | Inter-Research; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Jstor Complete Legacy; Alma/SFX Local Collection |
| subjects | Animal and plant ecology Animal, plant and microbial ecology Biological and medical sciences Brackish Chlorophylls Community structure Corophium volutator Diatoms Erosion Fundamental and applied biological sciences. Psychology Hydrobia ulvae Macoma balthica Microalgae Mud flats Sea water ecosystems Sediments Shear strength Shear stress Synecology Taxa |
| title | Microalgae, macrofauna and sediment stability: an experimental test of a reciprocal relationship |
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