Risk is defined as ‘The possibility of meeting danger or suffering harm or loss’. When we look at animals we always seem to view them as if, like us, they had a choice in what they do. When fish school to spawn or caribou migrate it’s because they evolved that way. It’s not a conscious choice. When their environmental or physiological cues are altered or removed they have a difficult time and are at risk. There is usually massive mortality associated with these events. Some individuals survive due to the diversity in the species’ gene pool. These individuals are ‘fit’ for the altered environment. They establish a balance with it and over time repopulate. Continue reading
Monthly Archives: May 2009
The world at ten billion?
In our modern society tends to put us under stressful conditions. The origin of that stress can come from many different sources – from one source at a time or several. It can be our jobs, family, the environment or any number of things. These conditions can affect just one individual at a time or an entire population. Continue reading
I’m blue or bigeye but don???t call me Charlie
The name Charlie for several generations of Americans will be associated with tuna. But, did you know that there’re more tunas than just albacore?The tunas in the Gulf of Mexico are from the family “scombridae” which includes the mackerels, bonito and tunas. If ever there were fish designed for hunting with speed it’s the tunas. Continue reading