Macrobenthic community structure and disturbance assessment in Gialova Lagoon, Ionian Sea

Koutsoubas, Drosos; Dounas, C.; Arvanitidis, Christos; Kornilios, S.; Petihakis, George; Triantafyllou, G.; Eleftheriou, A.

doi:10.1006/jmsc.2000.0905

Cited by 70 publications

(86 citation statements)

References 24 publications

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“…Temporal variations associated with such phenomena have been described extensively in the literature (e.g. TAGLIAPIETRA et al, 1998;KOUTSOUBAS et al, 2000;MISTRI et al, 2000LARDICCI et al, 2001). However, if pollution prevention measures are to be taken, smaller changes need to be detected and distinguished from the natural variability of the system.…”

Section: Introductionmentioning

confidence: 99%

Lack of temporal variability in the benthos of a coastal brackish water lagoon in Greece

Nicolaidou

2007

Medit. Mar. Sci.

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The benthic fauna was studied in the small, brackish water Mazoma Lagoon in the Amvrakikos bay.Benthic samples were collected at 10 stations at bimonthly intervals over a period of a year. Temperature, salinity, dissolved oxygen and sediment organic carbon were also measured at the same time. The environmental parameters showed the expected seasonal variability but the benthic community, the structure of which was only related to plant biomass, did not. This lack of seasonality is attributed to the continuous reproduction of some abundant species and to species interactions.

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Section: Introductionmentioning

confidence: 99%

Lack of temporal variability in the benthos of a coastal brackish water lagoon in Greece

Nicolaidou

2007

Medit. Mar. Sci.

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“…In the remaining cases, at the national level, only the severely impacted lagoon of Drana falls outside the expected range when L + is calculated from the polychaete, mollusc and crustacean lagoonal inventories. At the local level all seasons are located within the funnels, when the taxonomic distinctness indices are calculated for each of the most abundant groups, indicating very little or no anthropogenic impact on the Gialova lagoon, as concluded by Arvanitidis et al (1999) and Koutsoubas et al (2000). The weakness of the performance of these biodiversity indices on the total macrobenthic fauna, and the robustness of their application Fig.…”

Section: Discussionmentioning

confidence: 80%

“…Polychaetes and molluscs provide patterns most closely related to the one derived from the species level, while meiobenthos comes first in order only on a temporal scale at the local level. Both of the above macrofaunal groups, as well as the meiobenthos, include the majority of the trophic groups, and are hence most closely related to the functional diversity of the lagoonal environment (Arvanitidis et al 1999;Koutsoubas et al 2000;McArthur et al 2000;Cognetti and Maltagliati 2000). Unfortunately, there are no corresponding results Fig.…”

Section: Discussionmentioning

confidence: 99%

“…2. Information on species' distribution in the Greek lagoons are based on published studies by Reizopoulou et al (1996;Tsopeli and Vivari), Nikolaidou et al (1998;Messolonghi), Koutsoubas et al (2000;Gialova) and unpublished data (T. Kevrekidis, A. Mogias, personal communication; Laki, Drana, Monolimni).…”

Section: Data Resourcesmentioning

confidence: 99%

“…), have shown that all but one of the above lagoons can be considered as naturally stressed ecosystems, typical of Mediterranean lagoonal environments (e.g. Reizopoulou et al 1996;Nikolaidou et al 1998;Koutsoubas et al 2000). However, Drana lagoon is considered as severely impacted by anthropogenic activities associated with the occlusion of the former marine canal opening, which usually results in the Three initial binary (presence/absence) matrices were constructed, covering the distribution of all macrofaunal species belonging to the most abundant groups (polychaetes, molluscs, crustaceans) in the Greek lagoons, and their distribution in the Gialova lagoon on both spatial (stations) and temporal (seasons) scales.…”

Section: Data Resourcesmentioning

confidence: 99%

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Estimating lagoonal biodiversity in Greece: comparison of rapid assessment techniques

et al. 2005

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An attempt is made to compare the results of different rapid biodiversity assessment techniques at the pan-Mediterranean, sectorial and local levels. A uniform multivariate pattern exists at the pan-Mediterranean and national (sectorial) levels: lagoons can be different when they host only a few species, but as species numbers increase, lagoons become homogenous in composition. Multivariate techniques cannot distinguish anthropogenically-impacted lagoons from those, which are naturally disturbed. In the pan-Mediterranean context it is the higher taxonomic levels, but in the national and local context it is the most abundant macrobenthic groups (polychaetes, molluscs and crustaceans) and meiobenthos which provide patterns closest to that derived from the species level. Taxonomic distinctness indices applied to polychaete and mollusc inventories provide meaningful results at most levels and scales of observation. These indices seem to be robust enough to discriminate anthropogenically impacted from naturally disturbed lagoons.

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Benthic diversity of coastal brackish-water lagoons in western Greece

Reizopoulou¹,

Nicolaidou²

2004

Aquatic Conserv: Mar. Freshw. Ecosyst.

108

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ABSTRACT1. Benthic community parameters were studied in six coastal brackish-water lagoons located in western Greece (Ionian Sea). Five of the lagoons studied are around the coast of the Amvrakikos Gulf under the influence of the Rivers Louros and Arachthos and one lagoon is situated in northwest Peloponissos.2. All the lagoons experienced a wide range of temperatures, salinities and dissolved oxygen due to their high degree of confinement and shallow depths. Confinement and sediment composition were the major factors affecting number of species and biodiversity of benthic communities.3. The Shannon diversity index does not appear to be efficient in discriminating between natural stress and anthropogenic disturbance in lagoonal ecosystems.

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Macrobenthic community structure and disturbance assessment in Gialova Lagoon, Ionian Sea

Cited by 70 publications

References 24 publications

Lack of temporal variability in the benthos of a coastal brackish water lagoon in Greece

Lack of temporal variability in the benthos of a coastal brackish water lagoon in Greece

Estimating lagoonal biodiversity in Greece: comparison of rapid assessment techniques

Benthic diversity of coastal brackish-water lagoons in western Greece

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