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| Main Authors: | , |
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| Format: | Dataset Open Access |
| Language: | en |
| Published: |
PANGAEA
2015
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| Subjects: | |
| Online Access: | https://doi.org/10.1594/PANGAEA.853574 |
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| _version_ | 1867170986902683648 |
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| author | Frangoulis, Constantin Christou, Epaminondas |
| author_facet | Frangoulis, Constantin Christou, Epaminondas |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | Mesozooplankton is collected by vertical tows within the Black sea water body mass layer in the NE Aegean, using a WP-2 200 µm net equipped with a large non-filtering cod-end (10 l). Macrozooplankton organisms are removed using a 2000 µm net. A few unsorted animals (approximately 100) are placed inside several glass beaker of 250 ml filled with GF/F or 0.2 µm Nucleopore filtered seawater and with a 100 µm net placed 1 cm above the beaker bottom. Beakers are then placed in an incubator at natural light and maintaining the in situ temperature. After 1 hour pellets are separated from animals and placed in separated flasks and preserved with formalin. Pellets are counted and measured using an inverted microscope. Animals are scanned and counted using an image analysis system. Carbon- Specific faecal pellet production is calculated from a) faecal pellet production, b) individual carbon: Animals are scanned and their body area is measured using an image analysis system. Body volume is then calculated as an ellipsoid using the major and minor axis of an ellipse of same area as the body. Individual carbon is calculated from a carbon- total body volume of organisms (relationship obtained for the Mediterranean Sea by Alcaraz et al. (2003) divided by the total number of individuals scanned and c) faecal pellet carbon: Faecal pellet length and width is measured using an inverted microscope. Faecal pellet volume is calculated from length and width assuming cylindrical shape. Conversion of faecal pellet volume to carbon is done using values obtained in the Mediterranean from: a) faecal pellet density 1,29 g cm**3 (or pg µm**3) from Komar et al. (1981); b) faecal pellet DW/WW=0,23 from Elder and Fowler (1977) and c) faecal pellet C%DW=25,5 Marty et al. (1994). |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_853574 |
| institution | PANGAEA |
| language | en |
| publishDate | 2015 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | Faecal pellet production of copepoda collected in water depth up to 30 meters in the eastern Mediterranean Sea in Oktober 2008 during SES_GR2 Frangoulis, Constantin Christou, Epaminondas 0NA1b; 0NA7c; Aegaeo; Computed/Converted; Date/Time of event; Depth, bottom/max; Depth, top/min; DEPTH, water; Eastern Mediterranean Sea; Event label; Fecal pellet production as carbon; Fecal pellet production rate per individual; Latitude of event; Longitude of event; Measured/Determined; Optional event label; SES_GR2; SES_GR2-0NA1b_WP2; SES_GR2-0NA7c_WP2; SESAME; Southern European Seas: Assessing and Modelling Ecosystem Changes; WP2; WP-2 towed closing plankton net Mesozooplankton is collected by vertical tows within the Black sea water body mass layer in the NE Aegean, using a WP-2 200 µm net equipped with a large non-filtering cod-end (10 l). Macrozooplankton organisms are removed using a 2000 µm net. A few unsorted animals (approximately 100) are placed inside several glass beaker of 250 ml filled with GF/F or 0.2 µm Nucleopore filtered seawater and with a 100 µm net placed 1 cm above the beaker bottom. Beakers are then placed in an incubator at natural light and maintaining the in situ temperature. After 1 hour pellets are separated from animals and placed in separated flasks and preserved with formalin. Pellets are counted and measured using an inverted microscope. Animals are scanned and counted using an image analysis system. Carbon- Specific faecal pellet production is calculated from a) faecal pellet production, b) individual carbon: Animals are scanned and their body area is measured using an image analysis system. Body volume is then calculated as an ellipsoid using the major and minor axis of an ellipse of same area as the body. Individual carbon is calculated from a carbon- total body volume of organisms (relationship obtained for the Mediterranean Sea by Alcaraz et al. (2003) divided by the total number of individuals scanned and c) faecal pellet carbon: Faecal pellet length and width is measured using an inverted microscope. Faecal pellet volume is calculated from length and width assuming cylindrical shape. Conversion of faecal pellet volume to carbon is done using values obtained in the Mediterranean from: a) faecal pellet density 1,29 g cm**3 (or pg µm**3) from Komar et al. (1981); b) faecal pellet DW/WW=0,23 from Elder and Fowler (1977) and c) faecal pellet C%DW=25,5 Marty et al. (1994). |
| title | Faecal pellet production of copepoda collected in water depth up to 30 meters in the eastern Mediterranean Sea in Oktober 2008 during SES_GR2 |
| topic | 0NA1b; 0NA7c; Aegaeo; Computed/Converted; Date/Time of event; Depth, bottom/max; Depth, top/min; DEPTH, water; Eastern Mediterranean Sea; Event label; Fecal pellet production as carbon; Fecal pellet production rate per individual; Latitude of event; Longitude of event; Measured/Determined; Optional event label; SES_GR2; SES_GR2-0NA1b_WP2; SES_GR2-0NA7c_WP2; SESAME; Southern European Seas: Assessing and Modelling Ecosystem Changes; WP2; WP-2 towed closing plankton net |
| url | https://doi.org/10.1594/PANGAEA.853574 |