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The 2012 offshore LENONS team: student Steve Sliwinski, Mark Clapsadl, and Kit Hastings.

Three people stand for a picture at the front of a metal boat that's tied up to a dock.

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The R/V John J. Freidhoff was used to collect samples at 20m, 10m, 5m, and 2m.

A metal boat sailing on the water, with no land in the background.

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Student Steve Sliwinski and Mark Clapsadl head out to their first site.

Two people sit inside the cabin of a boat

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Kit Hastings at the wheel.

A person sits inside the cabin of a boat at the steering wheel

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Secchi disk to measure water clarity.

A picture down the side of a boat, with someone leaning over the side with a spool of rope.

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YSI multiparameter sonde for water temperature and dissolved oxygen.

A sampling instrument sits in a plastic tub. Part of it is wrapped with a towel.

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Mark Clapsadl puts the sonde into the water and starts it up.

A person sits in the front of a boat, holding a small instrument with a cable going over the side of the boat.

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Mark Clapsadl records water chemistry data.

A person holds an instrument in their lap while they write something on a clipboard

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Mark Clapsadl records water chemistry data.

A person holding an instrument and recording the numbers on a data sheet on a clipboard

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Mark Clapsadl records water chemistry data.

Picture of a person's lap with a clipboard and an instrument

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Mark Clapsadl wraps the sonde in a towel to keep it damp between stations.

A person wrapping an instrument in a towel

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Student Steve Sliwinski and Dr. Alicia Pérez-Fuentetaja sorting our bottles for the day.

Two people stand in the back of a boat and look at the labels on sample jugs

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The water sampling tube is lowered into the water and cinched to grab a composite water sample.

A person lowers a tube over the side of a boat

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Then it is emptied into a clean bucket for subsampling; repeat.

A person on a boat empties a long tube into a bucket

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Attaching a filter to a syringe.

A person attaches a filter to a syringe while a second person holds a small thin tube

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Filtering a small amount of the composite sample.

A person kneels over a bucket with a syringe filter

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Putting the filtered water into a sample bottle.

One person empties a syringe into a bottle that a second person is holding

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Filling sample bottles with unfiltered water.

A person reaches into a bucket. There are several small bottles on the deck around them

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Amber bottle for chlorophyll analysis.

A person holds up a brown bottle. There is a bucket and two jugs nearby.

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Preserving a phytoplankton sample with an iodine solution.

A person pours something brownish red into a bottle of water, turning the water reddish

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Student Steve Sliwinski prepares the zooplankton net for a vertical tow.

A person screws a small jar onto the end of a conical net.

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Student Steve Sliwinski checks the initial flowmeter reading.

A person holds a conical net over the side of a boat.

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Dr. Pérez reads the final flowmeter reading.

A person holds a conical net over the side of a boat while a second person watches. The first person is checking something in the mouth of the net.

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Dr. Pérez opens the zooplankton net.

A person holds the jar at the bottom of a conical net.

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The zooplankton are rinsed from the bucket into a sample bottle.

A person holds a jar while a second person looks at it

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Student Steve Sliwinski preserves the zooplankton.

A person pours something from one jar into a smaller bottle. A second person stands by, and there are jugs and coolers on the back of the boat with them.

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We also do a horizontal tow to get enough zooplankton to fill a small bottle.

A person holds up the bottom of a conical net to show that the jar at the bottom and part of the net are full of something green or brown. They are on a boat.

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We need to sample a lot of water to fill some cubitainers. First we use the filter housing without a filter.

A person sits on a boat next to a PVC cylinder with tubes running out of it

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We pump water through the tube.

A person lowers a tube over the side of a boat

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Mark fills two cubitainers with unfiltered water.

A tube is coiled on the deck of a boat. A person holds one end into a jug

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Kit Hastings installs the filter.

A person working on the back of a boat, smiling at the camera

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Kit Hastings and student Steve Sliwinski preparing to fill the cubitainers.

Two people on the back of a boat. One holds a tube over the side of the boat which loops across the deck, while a second opens up a cube container.

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Student Steve Sliwinski turns on the pump.

A person on the back deck of a boat sits among cube containers and a cooler. They are flipping a switch.

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Filling the cubitainers with water for a reaction.

A person holds a tube into a cube container to fill it with water

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Putting in the reagents to create a floc.

A person opens a bottle. They sit next to a cube container.

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Mixing the reagents and water.

A person tips a closed cube container.

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Mark Clapsadl setting an Eckman grabber to collect benthos.

A person holds a metal device on the deck of a boat.

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The sample is emptied into a net

One person holds a rope with a metal box device over the edge of a boat, while a second person puts a net under it at the water level.

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Kit Hastings washes the excess sediment from the net while student Steve Sliwinski does the next grab.

Two people kneel at the edge of a boat. One person is holding a net. There is a plume of brown in the water near where they are working

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Kit Hastings holds a sample that's ready to be transferred to a sample bag.

Two people work at the edge of a boat. One is holding a handheld net with mud in it.

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Dr. Pérez using the sample tube.

A person lowers a tube into the water over the side of a boat

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Student Steve Sliwinski using the sample tube.

A person in the back of a boat holds a tube in the water

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Kit Hastings using the sample tube.

A different person stands in the back of a boat, holding a tube in the water

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Student Steve Sliwinski is ready to fill the cubitainer.

A person sits in the back of a boat, holding the end of a tube near a cube container. A second person is holding the other end in the water.

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Mark Clapsadl runs the YSI in the rain.

A person sits in the front of a boat wearing rain gear and holding a cable

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Student Steve Sliwinski works in the rain.

A person in rain gear stands on a boat and holds a tube over their head

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Mark Clapsadl using the YSI on a sunny day.

A person with a hat obscuring their face works on a boat. They are sitting on a milk crate, looking down at an instrument on the floor, and writing something on a clipboard.

Great Lakes Center

Buffalo State • 1300 Elmwood Ave • Science and Mathematics Complex 319
Buffalo, NY 14222 • Phone: (716) 878-4329 • Fax: (716) 878-6644

greatlakes@buffalostate.edu

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