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Benthic communities and environmental parameters in Amvrakikos Wetlands: Mazoma, Tsopeli,Tsoukalio, Rodia and Logarou lagoons (September 2010 – July 2011)

Latest version published by Hellenic Center for Marine Research on Sep 14, 2017 Hellenic Center for Marine Research

Zoobenthic communities across confinement gradient in 5 coastal lagoons (Mazoma, Tsopeli,Tsoukalio, Rodia and Logarou) in Amvrakikos for four seasons (data analysis is still in progress)

Data Records

The data in this sampling event resource has been published as a Darwin Core Archive (DwC-A), which is a standardized format for sharing biodiversity data as a set of one or more data tables. The core data table contains 303 records. 2 extension data tables also exist. An extension record supplies extra information about a core record. The number of records in each extension data table is illustrated below.

  • Event (core)
    303
  • MeasurementOrFact 
    2482
  • Occurrence 
    1482

This IPT archives the data and thus serves as the data repository. The data and resource metadata are available for download in the downloads section. The versions table lists other versions of the resource that have been made publicly available and allows tracking changes made to the resource over time.

Downloads

Download the latest version of this resource data as a Darwin Core Archive (DwC-A) or the resource metadata as EML or RTF:

Data as a DwC-A file download 303 records in English (79 KB) - Update frequency: unknown
Metadata as an EML file download in English (14 KB)
Metadata as an RTF file download in English (12 KB)

Versions

The table below shows only published versions of the resource that are publicly accessible.

Rights

Researchers should respect the following rights statement:

The publisher and rights holder of this work is Hellenic Center for Marine Research. This work is licensed under a Creative Commons Attribution (CC-BY) 4.0 License.

GBIF Registration

This resource has been registered with GBIF, and assigned the following GBIF UUID: 83ea4307-fd04-467c-af87-271a963841fc.  Hellenic Center for Marine Research publishes this resource, and is itself registered in GBIF as a data publisher endorsed by Ocean Biogeographic Information System.

Keywords

Samplingevent

Contacts

Who created the resource:

Sofia Reizopoulou
Researcher
Hellenic Centre for Marine Research-Institute of Oceanography 46.7 km. Athens-Souniou, PO Box 712 19013 Anavyssos GR +30 22910 76383

Who can answer questions about the resource:

Sofia Reizopoulou
Researcher
Hellenic Centre for Marine Research-Institute of Oceanography 46.7 km. Athens-Souniou, PO Box 712 19013 Anavyssos +30 22910 76383

Who filled in the metadata:

Dimitra Mavraki
Data Manager
Hellenic Centre for Marine Research Main Building of HCMR, Former U.S. Base, Gournes, P.O.Box 2214 71003 Heraklion Crete +30 2810 33 77 40
Stamatina Nikolopoulou
Data Manager
Hellenic Centre for Marine Research 46.7 km. Athens-Souniou, PO Box 712 71003 Heraklion Crete GR +30 2810 33 77 40

Who else was associated with the resource:

Content Provider
Popi Sigala
Institute of Oceanography, Hellenic Centre for Marine Research 46.7 km. Athens-Souniou, PO Box 712 19013 Attiki GR +30 22910 76386
http://www.hcmr.gr.eu
Principal Investigator
Christos Arvanitidis
Senior Researcher
Hellenic Centre for Marine Research Main Building of HCMR, Former U.S. Base, Gournes, P.O.Box 2214 71003 Heraklion GR +302810337748
Content Provider
Christina Pavloudi
PhD student
Hellenic Centre for Marine Research-Institute of Marine Biology, Biotechnology and Aquaculture Main Building of HCMR, Former U.S. Base, Gournes, P.O.Box 2214 71003 Heraklion GR +30 2810 33 77 42
Content Provider
Katerina Vasileiadou
Phd student
Hellenic Centre for Marine Research-Institute of Marine Biology, Biotechnology and Aquaculture Main Building of HCMR, Former U.S. Base, Gournes, P.O.Box 2214 71003 Heraklion Crete +30 2810 33 77 42

Geographic Coverage

Five lagoons were studied (Logarou, Tsoukalio, Tsopeli, Rodia, Mazoma)

Bounding Coordinates South West [38.64, 20.33], North East [39.16, 21.36]

Taxonomic Coverage

Main categories are: Polychaeta, Crustacea, Bivalvia

Subphylum  Crustacea
Class  Polychaeta,  Bivalvia

Temporal Coverage

Start Date / End Date 2010-09-09 / 2010-09-13
Start Date / End Date 2011-02-19 / 2011-02-21
Start Date / End Date 2011-05-21 / 2011-05-25
Start Date / End Date 2011-07-21 / 2011-07-25

Sampling Methods

box corer for 0.03 square meters area sampled Sediment temperature was measured by means of a thermometer in the first centimeter of the sediments; salinity, conductivity, water temperature, dissolved oxygen and pH were measured in the water overlaying the sediments by means of a portable multi-parameter. Redox potential of the first centimeter of the sediments was measured by means of a portable probe which was previously immersed in Zobell solution (Zobell, 1946). Sediment samples were collected from all stations by means of a modified manually-operated box-corer. Samples were collected from fishing boats specifically used at the lagoons. Cylindrical sampling corers (internal sampling surface 15.90 square centimeters) were placed inside the box-corer and sub-samples of the sediment’s upper layer (0-2 cm) were collected from each of them. Samples were collected for the determination of the concentration of the Total Reduced Inorganic Sulfur (TRIS). TRIS is the sum of Acid Volatile Sulfides (AVS), i.e. hydrogen sulfide (H2S) and iron sulfide (FeS), and Chromium Reducible Sulfur (CRS), i.e. elemental sulfur (S0) and iron pyrite (FeS2). Samples of about 8 cubic centimeters were collected from the sediment's upper layer and were immediately placed on 50 ml falcon tubes, with tapered bottom, containing 10 ml of zinc acetate solution 20% (w/v). The samples were mixed in order to allow the total surface of the sediment to come in contact with the solution and were subsequently stored at -20 oC, until further processing in the Marine Ecology Laboratory of the University of Crete, in accordance with the hot distillation method (Kallmeyer et al., 2004). The final measurement of the TRIS values was based on the method described by Cline (1969). Similarly, samples were also collected from cylindrical corers for the measurement of the Particulate Organic Carbon (POC), organic matter (measured by Loss On Ignition), chloroplast pigments concentrations (chlorophyll-a and phaeopigments) and for the sediment's granulometry (for the latter, the sampling depth was five centimeters in order for the results to be comparable with previously published data on the study area). Also, three replicate water samples were collected by means of Niskin bottles (5 lt) which were subsequently used for the measurement of chemical variables (concentration of POC, chloroplast pigments and nutrients (phosphate ion (PO43-), nitrate ion (NO3-), nitrite ion (NO2-), ammonium ion (NH4+) and silicon dioxide (SiO2)). The aforementioned samples were processed at the Chemistry Lab of the IMBBC (HCMR), based on standard techniques (chloroplast pigments: Yentsch and Menzel, 1963; POC: Hedges and Stern, 1984; granulometry: Gray and Elliott, 2009; organic matter: Loh et al., 2008; nutrients: Grasshoff et al., 1983; Parsons et al., 1984; Strickland and Parsons, 1972).

Study Extent seasonally (4 seasons) records of zoobenthic communities across confinement gradient in 5 coastal lagoons (Mazoma, Tsopeli,Tsoukalio, Rodia and Logarou)

Method step description:

  1. Replicates were collected at two stations, one inside and one outside the lagoon, in each lagoon (five totally), using a box corer (0.03 m2 sampling surface). The samples were sieved through a 0.5 mm mesh sieve, stained with Rose Bengal and preserved in 4% formalin. All benthic organisms were sorted in the lab and identified and counted using stereo- and microscopes. For each wetland a seperated xls file with the relevant information was prepared (both occurence and environmental data).

Additional Metadata

marine, harvested by iOBIS

Alternative Identifiers 83ea4307-fd04-467c-af87-271a963841fc
http://ipt.medobis.eu/resource?r=zoobenthos_in_amvrakikos_wetlands