Image
One of the fascinating—and daunting—aspects of climate change that doesn’t get much attention is the changing disease transmission dynamics we can expect as animals, pathogens, and disease vectors shift their distribution in response to changing climatic conditions. One of the ways we try to anticipate environmental change is through computer models developed by climate scientists, which can help predict large-scale processes, such as melting ice sheets and rising sea levels. But it is difficult or impossible to predict what will happen in specific disease transmission scenarios, because there are too many variables involved—even the most powerful computers can’t handle the complexity. We know that changes in disease transmission patterns are coming, but we don’t know exactly what they will be, or how they will impact us or the wildlife we care for—we are left in suspense.
[caption id="attachment_135980" align="aligncenter" width="800"] Growing Threats
Warming temperatures worldwide lead to increases in fungal spread, melting glaciers, wildfires, and mosquito populations, all of which can play a part in diseases that threaten wildlife.[/caption] But we cannot sit back idly and wait; we have to do our best to respond based on the evidence we currently have. What we do know is that most pathogens and disease vectors have relatively strict environmental requirements for optimum reproduction and development. As average temperatures increase, disease vectors such as mosquitoes will move into areas that were once too cold for them to develop.
Warming temperatures worldwide lead to increases in fungal spread, melting glaciers, wildfires, and mosquito populations, all of which can play a part in diseases that threaten wildlife.[/caption] But we cannot sit back idly and wait; we have to do our best to respond based on the evidence we currently have. What we do know is that most pathogens and disease vectors have relatively strict environmental requirements for optimum reproduction and development. As average temperatures increase, disease vectors such as mosquitoes will move into areas that were once too cold for them to develop.