Abundance Information for Trachinus draco
المرجع الرئيسي
الدولة Greece النظم البيئية
المنطقة المجاورة Strymonikos Gulf (Aegean Sea) Depth
قدم Year Intro.
مراحل الحياة larvae mixed
Quantitative 0 Unit numbers/m2
Semi Quantitative 0 Unit numbers/m2
Qualitative absent
سنة 1997 - 1997 فترة زمنية 1975-2000
التاريخ 01/07/97 - 31/07/97 Record Type field sample
Record Type field sample
Seasonal yes طريقة swept area
ملاحظات 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.
(على سبيل المثال 9948)
( على سبيل المثال cephalopods )
العودة الي البحث
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