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PLANKTON NETS

Simple Plankton Nets
Closing Plankton Nets
Bongo Plankton Nets
Multi-Net (Tucker) Trawl
Student Plankton Nets
Stream Sampling Nets

WATER SAMPLERS

Horizontal Water Samplers
Vertical Water Samplers
Student Water Samplers
Secchi Disks
Limnology Field Kits

SEDIMENT CORERS

Universal Percussion Corer
Gravity Corer
Russian Peat Borer
Piston Interface Corer
Large Bore Sediment Sampler
Pore-Water Sampling
Extension Rods and Percussion
Hammer
Core Extruding Apparatus
Discrete Point Piston Corer

PLANKTON SAMPLERS

Plankton Traps
Haney Grazing Chambers
Light Traps
Limnocorrals, Microcosms, Enclosures

LABORATORY EQUIPMENT

Utermoehl (Phytoplankton) Sedimentation Chambers
Folsom Plankton Sample Splitter
Motoda Plankton Sample Splitter
Zooplankton Counting Trays

 

Motodo Plankton Splitter

Sub-sampling of plankton and ichthyoplankton samples


Motodo Box-Type Plankton Sample Splitter

  • Best for multiple fractionations of a single sample, suitable for splitting samples with large woody debris, recommended for ichthyoplankton sample splitting
  • Motodo "box-type" clear polycarbonate construction
  • 1.25 liter sample capacity with single diver bar
  • Leveling table
  • Complete: $400

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Motodo Plankton Splitter General Procedures:

  1. motodolevel table with adjusting screws
  2. pour sample into mixing area
  3. rotate splitter on rocker arm
  4. sample is split by cutting edge and contained into two compartments
  5. one of the compartments is easily drained while the other holds the remaining half sample for furthur fractionation (when splitting a single sample more than once, this feature conserves one step as compared to the Folsom method (See Folsom Plankton Splitter)


Motodo Unit Includes:

  • polycarbonate splitting console
  • 1.5 liter sample capacity
  • balance table with levelling screws

Options:

  • larger sample capacity models
  • multiple subsampling consoles
  • micro volume (0.5 liter) size

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Citations

Motodo, S. 1959. Devices of simple plankton apparatus. Mem. Fac. Fish., Hokkaido Univ., 7:73-94. Van Guelpen, L., D.F. Markle, and D.J. Duggan. 1982. An evaluation of accuracy, precision, and speed of several zooplankton sub-sampling techniques. J. Cons. Int. Explor. Mer., 40:226-236.

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MOTODO PLANKTON SAMPLE SPLITTER:

  • Clear polycarbonate construction
  • 1.5 liter capacity
  • polyethylene-leveling table
  • complete: $400
  • Custom sizes available upon request.
  • Call for quote


Notes

Designed for multiple fractionations upon a single sample since a “half – sample” is always retained within the console. Preferred method for splitting icthyoplankton samples and benthic samples with coarse woody/gravel debris.

 

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