Horseshoe Lake Benthic Macro-Invertebrate Report

Title

Horseshoe Lake Benthic Macro-Invertebrate Report

Author

Brendan Martin, Jide Sayomi, Adam Alaimo

Host Organization

Horseshoe Lake Property Owners Association

Supervising Faculty

Erin McGauley, Fleming College School of Environment and Resource Sciences
Melanie Logan, Fleming College School of Environment and Resource Sciences

Reference Number

FC4823

Date

2019

Location of Document

on-line

Area

Haliburton County

Subject

Benthic lake biomonitoring

Description

Horseshoe Lake (44.991126°N, 78.676485°W) is about 10 kilometers northeast of the community of Minden, Ontario. The lake acts as a reservoir for the Trent/Severn Waterway and has a sizable cottage community along its shores. For the past two years the Horseshoe Lake Property Owners Association (HLPOA) has partnered with post-secondary students to analyze the benthic macroinvertebrate communities along the lake shoreline at three locations. Site 1 (44.993476°N, 78.691528°W) is located on Crescent Island, part of the Three Sisters group of islands in the western basin near the inlet from Mountain Lake. Site 2 (44.993938°N, 78.677451°W) is located on the southwest corner of the northwestern peninsula of Shuylers
Island near the centre of the lake. Site 3 (44.995422°N, 78.665344°N) is located in the provincially significant wetland (PSW) on the east side of the lake just to the southwest of the Blairhampton Golf Club. Sites were selected in order to gain a broad understanding of the health of benthic communities across the lake with each site representing a specific community type or portion of the lake.

These sites were selected by Jeff Muirhead, a resident of Horseshoe Lake and acting lake steward at time of sampling, as locations that could be used for long-term monitoring, were easily accessible by boat, and were minimally intrusive to local cottagers.

Abstract

Horseshoe Lake is located approximately 10 kilometers northeast of the town of Minden, Ontario. The lake acts as a reservoir for the Trent/Severn Waterway and has had a sizable cottage community along its shores for many generations. From 2017-2018 the Horseshoe Lake Property Owners Association (HLPOA) in conjunction with U-Links Centre for Community Based Research has partnered with post-secondary students to analyze the benthic macroinvertebrate communities along the lake shoreline. These organisms are identified by order, a classification of life similar to that of genus and species, with each order having a different level of sensitivity to organic pollution. The results of this initial phase of the study indicate that there is probably some organic pollution present in the lake, but the source or sources of this pollution and whether or not there are any trends present is not yet known. This phase of the project will be used as a baseline for future years of sampling and lays the framework for how future studies should be conducted.

Publisher

Fleming College

Date Available

January 2019

Date Created

January 2019

Date Accepted

January 2019

Date Submitted

January 2019

Files

Reference

Brendan Martin, Jide Sayomi, Adam Alaimo, Horseshoe Lake Benthic Macro-Invertebrate Report, Fleming College, 2019