Abundance Information for Auxis rochei
ການອ້າງອີງຫຼັກ
ປະເທດ Greece ລະບົບນິເວດ
ທ້ອງຖິ່ນ Strymonikos Gulf (Aegean Sea) Depth
ໄດ້ຖືກແນະນຳ Year Intro.
ຂັ້ນຕອນຂອງການມີຊີວິດ larvae mixed
Quantitative 0 Unit numbers/m2
Semi Quantitative 0 Unit numbers/m2
Qualitative absent
ປີ 1997 - 1997 ໄລຍະ 1975-2000
ວັນທີ 01/11/97 - 30/11/97 Record Type field sample
Record Type field sample
Seasonal yes ວິທີການ swept area
ຂໍ້ສັງເກດ 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.
(ຕ.ຢ. 9948)
( ຕ.ຢ. cephalopods )
ກັບຄືນໄປບ່ອນຄົ້ນຫາ
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