Coastal Oceanography (OC332), Winter 2001


R/V Elakha cruise on March 3, 2001:

Cruise photos:

Group

Zooplankton tow

CTD cast

Photo thumbnails:  page 1 * page 2 * page 3 * page 4

Or if you prefer (warning, these take some time to load...):

Slide show A     Slide show B




Click on a station for temperature/salinity/sigma-t data:





Salinity summary plot:



Temperature summary plot:




Chlorophyll data:

Buoy #
 
Time (UTC) Chlorophyll
a (ug/L) at
1 m depth
Secchi depth(m) Bottom
depth(m)
9a 1825 0.18 3 9.3
14b 1850 0.14 3.5 8.4
21 1930 0.36 3 8.1
26 1945 0.33 2.5 3.7
31 2028 0.43 2 6.8
14 2109 not measured 2.8 5.4
9b 2125 not measured 3 10.1


Station 9 zooplankton net samples:

Species type Image source Species name
Crab larvae Smith (1977) drawing zoea of Brachyuran crabs (lengths in mm)
Barnacle larvae Smith (1977) drawing barnacle development (lengths in mm)
Barnacle moult Todd et al. (1996) photo moult (or exuvium) of an adult barnacle(commonly exceed 10 mm)
Copepods (Pseudocalanus) Todd et al. (1996) photo Pseudocalanus elongatus (female, length 1.3 mm)
Copepods (Calanus) Todd et al. (1996) photo Calanus helgolandicus (Claus, length 3.5 mm)
Copepods (Acartia) Todd et al. (1996) photo Acartia clausi Giesbrecht (length 1.1 mm)
Decapods Todd et al. (1996) photo Unidentified Hippolytid shrimp larvae (length 3.5 mm)
Chaetognath Todd et al. (1996) photo Sagitta elegans Verill (length 23 mm)
Chaetognath Todd et al. (1996) photo Sagitta elegans Verill (length 22 mm) head only
Fish larvae Todd et al. (1996) photo Larval fish (length 3 mm) with yolk sac


Station 31 zooplankton net samples:

Species type Image source Species name
Copepods (lots of Acartia) Todd et al. (1996) photo Acartia clausi Giesbrecht (length 1.1 mm)
Copepods (Eurytemora w/eggs) Todd et al. (1996) photo Eurytemora hirundoides (Nordqvist, length 1.1 mm)
Copepods none other assorted


References

Smith, DL (1977). A Guide to Marine Coastal Plankton and Marine Invertebrate Larvae. Kendall/Hunt Publishing, Dubuque, Iowa. 161 pp.

Todd, C.D., M.S. Laverack and G.A. Boxshall (1996). Coastal Marine Zooplankton: A Practical manual for Students. 2nd edition, Cambridge University Press, Great Britain. 106 pp.