Plankton samples report_v0 april 2009

PLANKTON SAMPLES REPORT

Sample code(1): 1_181209 Date: 18/12 09 Time (ship): 01.23 Name of person that fills in the form: Johanna Bruhn Duration of sampling: 8 min latitude: 18 14 Water temperature (oC): 27,3

Position: Longitude: 069 48

Air temperature (oC): Ships speed (knots):0,5 Length of rope, Y (m): 30 m Angle, : 22 Calculated depth, Z(2):

about 7m under the water surface

Description & other observations: Dark, night.14 sjmil sder om Santo Domingo Sample microscope observation: very much zooplancton (Daphnia sp, copepoda, shrimps..). Also a big representation of benthonic organisms, sign, maybe, of the proximity of Santo Domingo river and the high turbulence of the water that may bring some of the sediment organisms (bivalves, snails, ..) to the water column.

Picture

Notes: (1) The sample code is the date (daymonthyear)_nr of sample from the total in the day (ej. 161108_1) (2) calculated depth: Z=Y*sin height of deckcalcul_depth_plankton_sampling.xls