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Sampling and
analysis of Sediment and Benthos:
Benthos, Sediment
and possibly shellfish shall be sampled at exactly the same
locations and time. The Monitoring Institute is National
Institute of Oceanography and Fisheries, and the benthos
samples taken by the Van Veen grab once a year shall be
identified to species level and quantification by counting all
individuals in all samples. The sediment samples collected at
the same location shall be analyzed for grain size
distribution. Both types of samples shall be sampled,
analyzed, stored and tagged in accordance with the methodology
described in EIMP Coastal Water Monitoring Programme document;
"Benthos Monitoring”.
Sediment sampling and
analysis:
The sampling and analysis of sediments
shall be conducted as described in the EIMP Coastal Water
Monitoring Program document: "Monitoring of pollutants in
sediments, shellfish and corals".
Table 1. Parameters
to be analyzed in the sediment samples
| Eutrophication
parameters |
Grain
size, per cent dry matter, loss on ignition, total
nitrogen, and total phosphorous |
| Heavy
metals |
Cadmium,
copper, lead, mercury and zinc |
|
Hydrocarbons |
Total
hydrocarbons by GC and PAH (Poly-aromatic
Hydrocarbons) |
|
Pesticides |
HCB
(Hexachlorobenzene), HCH’s (a
and b -hexchlorohydrocarbons),
lindane, p,p`-DDE, p,p`-DDD, p,p`-DDT, aldrin, and
dieldrin |
|
Organochlorides |
Chlorinated Biphenyls (CB): CB no. 28, CB
no. 52, CB no. 101, CB no. 118, CB no. 138, CB no. 153
and CB no. 180 |
Example of pollution by heavy metals (Mercury) found in Gulf of Suez.
Shellfish sampling and
analysis:
The sampling and analysis of shellfish
shall be conducted as described in the EIMP Coastal Water
Monitoring Program document; "Monitoring of pollutants in
sediments, shellfish and corals". The bivalve Donax trunculus
will be used as the monitoring organisms in the Mediterranean
Sea. It is not encountered in the Gulf of Suez. Suitable
organisms in this area are the bivalves: Mytilus edulis or
Venerepusis sp. A pilot study has to be carried out in order
to select the organisms, which is most abundant and
widespread. The parameters to be analyzed are outlined in the
following Table 2
Table 2: Parameters to be analyzed
for in the shellfish samples
| Heavy
metals |
Cadmium,
copper, lead, mercury and zinc |
| Hydrocarbons |
Total
hydrocarbons by GC and PAH (Poly-aromatic
Hydrocarbons) |
| Pesticides |
HCB (Hexachlorobenzene), HCH’s (a
and b -hexchlorohydrocarbons),
lindane, p,p`-DDE, p,p`-DDD, p,p`-DDT, aldrin, and
dieldrin |
| Organochlorides |
Chlorinated Biphenyls (CB): CB no. 28, CB
no. 52, CB no. 101, CB no. 118, CB no. 138, CB no. 153
and CB no. 180 |
| Other parameters |
shell length of the mussel
(mm).
per cent wet and dry tissue
weight.
condition index of the
mussels.
per cent lipid
content. | |
