To understand the unique experience of Black loss, grief and bereavement, it’s necessary to consider the collective grief Black Americans have suffered as the result of America’s long history of racialization and racist violence, UArizona researchers say. (more…)
Tag Archives: colonial times
UD researcher works to ensure Delaware’s wild turkey population proliferates
In colonial times, the Eastern wild turkey was abundant in Delaware. But by the late 1800s, wild turkeys were gone, eradicated by over-zealous market hunters and habitat destruction.
Usually, that’s the end of the story for a species. (more…)
Environmental change is the selective force that preserves adaptive traits in organisms and is a primary driver of evolution. However, it is less well known that evolutionary change in organisms also trigger fundamental changes in the environment.
Yale University researchers found a prime example of this evolutionary feedback loop in a few lakes in Connecticut, where dams built 300 years ago in Colonial times trapped a fish called the alewife.
In a study published May 23 in the journal Proceedings of the Royal Academy B, the Yale team describes how this event fundamentally changed the structure of the alewife and, with it, the water flea that the alewife feeds upon and the food chain that supports them both. (more…)