Spatial diversity of rocky midlittoral macro-invertebrates associated with the endangered species Patella ferruginea (Mollusca: Gastropoda) of Tunisian coastline
The present study focuses on horizontal spatial variability of benthic macrofauna associated with Patella ferruginea. Thirty-six samples collected at 12 transects belonging to 4 midlittoral sites along the rocky Tunisian coastline, were examined. A total of 44 species belonging to 5 taxa were found....
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| Veröffentlicht in: | Estuarine, coastal and shelf science coastal and shelf science, 2010-04, Vol.87 (2), p.275-283 |
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| creator | Tlig-Zouari, Sabiha Rabaoui, Lotfi Fguiri, Hosni Diawara, Moctar Ben Hassine, Oum Kalthoum |
| description | The present study focuses on horizontal spatial variability of benthic macrofauna associated with
Patella ferruginea. Thirty-six samples collected at 12 transects belonging to 4 midlittoral sites along the rocky Tunisian coastline, were examined. A total of 44 species belonging to 5 taxa were found. Multivariate analysis applied on gathered data did not show a horizontal spatial variability at small scale (between transects), but at large scale, between sites as well as sectors. Thus, three groups of communities were identified (GI: Korbous and El Haouaria; GIIa: Zembra Island and GIIb: Kelibia). The distribution of species abundance within these groups revealed that crustaceans were the most abundant taxon, due to the overwhelming dominance of
Chthamalus stellatus. This substratum appeared to create favourable micro-habitats for the installation of molluscs including gastropods. Regarding the low diversity index (
H') and evenness (
J), they seemed to reflect a disturbance and a demographic unbalance within these communities. The heterogeneity of substrate surface, created by
C. stellatus specimens appeared to be caused by various complex interactions established between the key components of these communities in particular suspension feeders, predators, herbivorous molluscs and macroalgae. Thus, the dynamic status of each of these communities is the result of these complex interactions. |
| doi_str_mv | 10.1016/j.ecss.2009.12.007 |
| format | Article |
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Patella ferruginea. Thirty-six samples collected at 12 transects belonging to 4 midlittoral sites along the rocky Tunisian coastline, were examined. A total of 44 species belonging to 5 taxa were found. Multivariate analysis applied on gathered data did not show a horizontal spatial variability at small scale (between transects), but at large scale, between sites as well as sectors. Thus, three groups of communities were identified (GI: Korbous and El Haouaria; GIIa: Zembra Island and GIIb: Kelibia). The distribution of species abundance within these groups revealed that crustaceans were the most abundant taxon, due to the overwhelming dominance of
Chthamalus stellatus. This substratum appeared to create favourable micro-habitats for the installation of molluscs including gastropods. Regarding the low diversity index (
H') and evenness (
J), they seemed to reflect a disturbance and a demographic unbalance within these communities. The heterogeneity of substrate surface, created by
C. stellatus specimens appeared to be caused by various complex interactions established between the key components of these communities in particular suspension feeders, predators, herbivorous molluscs and macroalgae. Thus, the dynamic status of each of these communities is the result of these complex interactions.</description><identifier>ISSN: 0272-7714</identifier><identifier>EISSN: 1096-0015</identifier><identifier>DOI: 10.1016/j.ecss.2009.12.007</identifier><identifier>CODEN: ECSSD3</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Animal and plant ecology ; Animal, plant and microbial ecology ; Biological and medical sciences ; Brackish water ecosystems ; Chthamalus stellatus ; Coastal ; Coastlines ; Communities ; Crustaceans ; Dominance ; Fundamental and applied biological sciences. Psychology ; habitat heterogeneity ; herbivorous molluscs ; Heterogeneity ; Horizontal ; horizontal variability ; Invertebrates ; Marine ; Mollusca ; Patella ; Patella ferruginea ; predators ; rocky midlittoral ; Synecology</subject><ispartof>Estuarine, coastal and shelf science, 2010-04, Vol.87 (2), p.275-283</ispartof><rights>2009 Elsevier Ltd</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c395t-d8bd91e6a8e43be1b136af10912ea609e4a70efb8f759ae696ff9939b00cb31c3</citedby><cites>FETCH-LOGICAL-c395t-d8bd91e6a8e43be1b136af10912ea609e4a70efb8f759ae696ff9939b00cb31c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.ecss.2009.12.007$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>315,781,785,3551,27929,27930,46000</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=22585154$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Tlig-Zouari, Sabiha</creatorcontrib><creatorcontrib>Rabaoui, Lotfi</creatorcontrib><creatorcontrib>Fguiri, Hosni</creatorcontrib><creatorcontrib>Diawara, Moctar</creatorcontrib><creatorcontrib>Ben Hassine, Oum Kalthoum</creatorcontrib><title>Spatial diversity of rocky midlittoral macro-invertebrates associated with the endangered species Patella ferruginea (Mollusca: Gastropoda) of Tunisian coastline</title><title>Estuarine, coastal and shelf science</title><description>The present study focuses on horizontal spatial variability of benthic macrofauna associated with
Patella ferruginea. Thirty-six samples collected at 12 transects belonging to 4 midlittoral sites along the rocky Tunisian coastline, were examined. A total of 44 species belonging to 5 taxa were found. Multivariate analysis applied on gathered data did not show a horizontal spatial variability at small scale (between transects), but at large scale, between sites as well as sectors. Thus, three groups of communities were identified (GI: Korbous and El Haouaria; GIIa: Zembra Island and GIIb: Kelibia). The distribution of species abundance within these groups revealed that crustaceans were the most abundant taxon, due to the overwhelming dominance of
Chthamalus stellatus. This substratum appeared to create favourable micro-habitats for the installation of molluscs including gastropods. Regarding the low diversity index (
H') and evenness (
J), they seemed to reflect a disturbance and a demographic unbalance within these communities. The heterogeneity of substrate surface, created by
C. stellatus specimens appeared to be caused by various complex interactions established between the key components of these communities in particular suspension feeders, predators, herbivorous molluscs and macroalgae. Thus, the dynamic status of each of these communities is the result of these complex interactions.</description><subject>Animal and plant ecology</subject><subject>Animal, plant and microbial ecology</subject><subject>Biological and medical sciences</subject><subject>Brackish water ecosystems</subject><subject>Chthamalus stellatus</subject><subject>Coastal</subject><subject>Coastlines</subject><subject>Communities</subject><subject>Crustaceans</subject><subject>Dominance</subject><subject>Fundamental and applied biological sciences. 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Psychology</topic><topic>habitat heterogeneity</topic><topic>herbivorous molluscs</topic><topic>Heterogeneity</topic><topic>Horizontal</topic><topic>horizontal variability</topic><topic>Invertebrates</topic><topic>Marine</topic><topic>Mollusca</topic><topic>Patella</topic><topic>Patella ferruginea</topic><topic>predators</topic><topic>rocky midlittoral</topic><topic>Synecology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Tlig-Zouari, Sabiha</creatorcontrib><creatorcontrib>Rabaoui, Lotfi</creatorcontrib><creatorcontrib>Fguiri, Hosni</creatorcontrib><creatorcontrib>Diawara, Moctar</creatorcontrib><creatorcontrib>Ben Hassine, Oum Kalthoum</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Ecology Abstracts</collection><collection>Environment Abstracts</collection><collection>Oceanic Abstracts</collection><collection>Sustainability Science Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 3: Aquatic Pollution & Environmental Quality</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Environment Abstracts</collection><jtitle>Estuarine, coastal and shelf science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Tlig-Zouari, Sabiha</au><au>Rabaoui, Lotfi</au><au>Fguiri, Hosni</au><au>Diawara, Moctar</au><au>Ben Hassine, Oum Kalthoum</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Spatial diversity of rocky midlittoral macro-invertebrates associated with the endangered species Patella ferruginea (Mollusca: Gastropoda) of Tunisian coastline</atitle><jtitle>Estuarine, coastal and shelf science</jtitle><date>2010-04-10</date><risdate>2010</risdate><volume>87</volume><issue>2</issue><spage>275</spage><epage>283</epage><pages>275-283</pages><issn>0272-7714</issn><eissn>1096-0015</eissn><coden>ECSSD3</coden><abstract>The present study focuses on horizontal spatial variability of benthic macrofauna associated with
Patella ferruginea. Thirty-six samples collected at 12 transects belonging to 4 midlittoral sites along the rocky Tunisian coastline, were examined. A total of 44 species belonging to 5 taxa were found. Multivariate analysis applied on gathered data did not show a horizontal spatial variability at small scale (between transects), but at large scale, between sites as well as sectors. Thus, three groups of communities were identified (GI: Korbous and El Haouaria; GIIa: Zembra Island and GIIb: Kelibia). The distribution of species abundance within these groups revealed that crustaceans were the most abundant taxon, due to the overwhelming dominance of
Chthamalus stellatus. This substratum appeared to create favourable micro-habitats for the installation of molluscs including gastropods. Regarding the low diversity index (
H') and evenness (
J), they seemed to reflect a disturbance and a demographic unbalance within these communities. The heterogeneity of substrate surface, created by
C. stellatus specimens appeared to be caused by various complex interactions established between the key components of these communities in particular suspension feeders, predators, herbivorous molluscs and macroalgae. Thus, the dynamic status of each of these communities is the result of these complex interactions.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.ecss.2009.12.007</doi><tpages>9</tpages></addata></record> |
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| ispartof | Estuarine, coastal and shelf science, 2010-04, Vol.87 (2), p.275-283 |
| issn | 0272-7714 1096-0015 |
| language | eng |
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| source | Access via ScienceDirect (Elsevier) |
| subjects | Animal and plant ecology Animal, plant and microbial ecology Biological and medical sciences Brackish water ecosystems Chthamalus stellatus Coastal Coastlines Communities Crustaceans Dominance Fundamental and applied biological sciences. Psychology habitat heterogeneity herbivorous molluscs Heterogeneity Horizontal horizontal variability Invertebrates Marine Mollusca Patella Patella ferruginea predators rocky midlittoral Synecology |
| title | Spatial diversity of rocky midlittoral macro-invertebrates associated with the endangered species Patella ferruginea (Mollusca: Gastropoda) of Tunisian coastline |
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