Posts Tagged ‘Cumulative effects’
Why Are Common Loon Chicks Becoming Less Common?
BY KRISTIN BIANCHINI
Measuring loon productivity is also an excellent indicator of lake health. As top predators, loons are sensitive to damage at lower levels of the food chain. For example, processes that decrease the number of fish in a lake can cause food shortages, especially for young loons. Being a top predator also makes loons more vulnerable to pollutants, like acid rain and mercury.
Read MoreA Fisheye View of Cumulative Effects in Alberta’s Southern East Slopes
BY SARAH MILLIGAN
The southern East Slopes region is both busy and ecologically significant. However, no landscape can provide an inexhaustible supply of benefits to humans. And in the southern East Slopes region, there are growing indications that a tipping point has been reached.
Read More