Marie McCallum, Author at BCLSS

Description Compact mounds of partially dried and decayed plant material and mud can frequently be seen scattered among the cattails and bulrushes...

Looking for a last minute gift this holiday season? Know someone who is passionate about protecting the environment and wants to learn...

By Marie McCallum The basics: Lake thermal stratification patterns Have you ever wondered what is happening to lakes and all the organisms...

Plastic has become a nearly essential part of our everyday lives, from the plastic wrap around cucumbers and other food packaging to...

Polystyrene foam, commonly known as Styrofoam®, is a plastic that is used for packaging, building docks, and for take-out containers owing to...

The Columbia Lake Stewardship Society (CLSS) is a group with a mission to preserve the ecological health and water supply of Columbia...

Thank you to everyone who participated in the 2021 Secchi Dip-In! This year, we received dip-in data from 37 lakes around the province....

On this first National Day for Truth and Reconciliation, the BCLSS will be taking time to reflect on the atrocities committed at...

A seiche is a standing wave oscillating in a body of water, like the water that sloshes back and forth in a...

Oxygen is essential to nearly all organisms on earth including life in lakes. Given that fish breathe oxygen dissolved in water (referred...