Abundance Information for Gadiculus argenteus
Thông tin chủ yếu
Nước Greece Hệ sinh thái
Địa phương Ierissos Gulf (Aegean Sea) Depth
được giới thiệu Year Intro.
Giai đoạn của vòng đời larvae mixed
Quantitative 0 Unit numbers/m2
Semi Quantitative 0 Unit numbers/m2
Qualitative absent
Năm 1997 - 1997 Thời kỳ (giai đoạn, chu kỳ) 1975-2000
Số liệu 01/11/97 - 30/11/97 Record Type field sample
Record Type field sample
Seasonal yes Phương pháp swept area
Các chú thích Area sampled are affected by freshwater input from the Rivers Srtymon and Rihios, which are main sources of nutrients and pollutants (domestic and agricultural) into the sea. Bongo net sampler, with standard 20 cm diameter bongo frame fitted with 250 um mesh nets, fitted with a flowmeter at the mouth of each net for the estimation of the water filtered was used. Tows were oblique, from within 5 m of the bottom to the surface for all stations, retreival speed was 10-20 m/min.
(thí dụ 9948)
( thí dụ cephalopods )
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