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Microzooplankton monitoring in the Mar Piccolo of Taranto. 2013-2014

Citation

Monti M (2022): Microzooplankton monitoring in the Mar Piccolo of Taranto. 2013-2014. v1.8. National Institute of Oceanography and Applied Geophysics. Dataset/Samplingevent. https://doi.org/10.6092/fd0fdd6f-e299-47e2-b275-7e5317eea01e accessed via GBIF.org on 2025-07-12.

Description

Microzooplankton monitoring in the Mar Piccolo of Taranto, 2013-2014 in the framework of the Italian flagship project RITMARE.

Sampling Description

Study Extent

In June 2013 and April 2014, sampling was carried out at four sites selected as representatives of different environmental issues and anthropogenic impacts

Sampling

Niskin bottle

Method steps

  1. Samples (5 L) were concentrated with a 10-μm mesh, reduced to 250 mL and immediately fixed with buffered formalin (4 % final concentration). Subsamples (10–25 cm3) were examined in a settling chamber using a Leica DMI 3000B inverted microscope equipped with phase contrast and bright-field illumination at ×200 magnification, according to the method of Utermöhl (1958). The entire surface of the chamber was examined. Among the microzooplankton communities, five main groups were considered and distinguished as ciliates (naked and tintinnids), heterotrophic dinoflagellates, other protozoa and micrometazoans. The phototrophic ciliate Mesodinium rubrum was treated together with the aloricate heterotrophic ciliates. Empty loricae of tintinnids were not differentiated from filled ones because tintinnid protoplasts are attached to the lorica by a fragile strand, which detaches with ease during collection and fixation of the samples. For each taxon, biovolumes were estimated by measuring the linear dimension of each organism with eyepiece scale and equating shapes to standard geometric figures. The obtained biovolumes were converted to carbon content by applying the following conversion factors and formulae according to Verity and Langdon (1984) for tintinnids, Putt and Stoecker (1989) for naked ciliates, Edler (1979) for athecate and thecate dinoflagellates and Beers and Stewart (1970) for other protozoa.

Taxonomic Coverages

Microzooplankton as Foraminiferida; Radiolaria; Tintinnida; Holotrichia; Spirotrichia
  1. Foraminiferida
    common name: Foraminifera rank: phylum
  2. Radiolaria
    common name: Radiolaria rank: subphylum
  3. Tintinnida
    common name: Tintinnida rank: order

Geographic Coverages

Mar Piccolo di Taranto, Taranto Gulf: http://marineregions.org/mrgid/3567

Bibliographic Citations

  1. Karuza, A., Caroppo, C., Monti, M. et al. Environ Sci Pollut Res (2016) 23: 12707. https://doi.org/10.1007/s11356-015-5621-1 - https://doi.org/10.1007/s11356-015-5621-1

Contacts

Marina Monti
originator
position: Researcher
National Institute of Oceanography and Applied Geophysics
Via Auguste Piccard 54
Trieste
34151
TS
IT
email: mmonti@ogs.it
userId: http://orcid.org/0000-0001-5198-7798
Marina Lipizer
metadata author
position: Researcher
National Institute of Oceanography and Applied Geophysics
Borgo Grotta Gigante 42/C
Sgonico
34134
TS
IT
email: mlipizer@ogs.it
userId: http://orcid.org/0000-0001-5707-6338
Marina Lipizer
metadata author
position: Researcher
National Institute of Oceanography and Applied Geophysics
Borgo Grotta Gigante 42/C
Sgonico
34010
TS
IT
email: mlipizer@ogs.it
userId: http://orcid.org/0000-0001-5707-6338
Paola Del Negro
owner
position: Senior Researcher
National Institute of Oceanography and Applied Geophysics
Borgo Grotta Gigante 42/C
Trieste
34010
TS
IT
email: pdelnegro@ogs.it
userId: http://orcid.org/0000-0003-2465-4896
Marina Monti
content provider
position: Researcher
National Institute of Oceanography and Applied Geophysics
Via Auguste Piccard 54
Trieste
34151
TS
IT
email: mmonti@ogs.it
userId: http://orcid.org/0000-0001-5198-7798
Menashè Eliezer
programmer
National Institute of Oceanography and Applied Geophysics
Borgo Grotta Gigante 42/C
Sgonico
34010
TS
IT
email: meliezer@ogs.it
Paola Del Negro
administrative point of contact
position: Senior researcher
National Institute of Oceanography and Applied Geophysics
Borgo Grotta Gigante 42C
Sgonico
34010
TS
IT
email: pdelnegro@ogs.it
userId: http://orcid.org/0000-0003-2465-4896
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