Great Lakes Center

1/17 To prepare for work on the Emerald Shiner project the next year, Mark Clapsadl and Josh Fisher work to deploy some temperature sensors in local tributaries to monitor temperatures over the winter.

2/17 The housing for a temperature probe is a PVC tube attached to a cinderblock.

3/17 Mark Clapsadl climbs down to a tributary to deploy a temperature probe.

4/17 Searching for a place to put a temperature probe, Mark Clapsadl and Josh Fisher wade in the Niagara River.

5/17 Josh Fisher carrying the cinderblock with the temperature probe.

6/17 Mark Clapsadl and Josh Fisher looking for a site to place a temperature along a creek.

7/17 Mark Clapsadl and Josh Fisher looking for a site to place a temperature along a creek. It's December, so there is snow!

8/17 Mark Clapsadl deploying a temperature sensor in a creek. There is some ice in the creek already.

9/17 Mark Clapsadl deploying a temperature sensor in a creek. There is some ice in the creek already.

10/17 This creek has been altered to flow through a culvert, disconnecting the upper and lower reaches.

11/17 Josh Fisher looking for a place to deploy a temperature sensor under a bridge.

12/17 Mark Clapsadl and Josh Fisher on a boat in the Niagara River. We needed a boat to access one of the sites.

13/17 Kit Hastings on a boat in the Niagara River in December!

14/17 Mark Clapsadl tying a line to the housing for a temperature sensor.

15/17 Mark Clapsadl deploying a temperature sensor under a bridge.

16/17 Gulls flocking in the Niagara River in December. They looked like a swarm.

17/17 Josh Fisher and Mark Clapsadl watching gulls flock in the Niagara River. The birds looked like a swarm.