Marine ecosystems are particularily affected by climate change because of the effects of warming water, increasing acidification, and lowering oxygen levels. It is difficult to monitor some marine animals due to their unseen habitat or their sizes. This causes many food chains to be threatened, life cycles and migrations routes to be altered, and helps increase habitat suitable for invasive species.
For example, farmed salmon are affected by diseases that proliferate in high water temperatures. A virus, PRV, was recorded for the first time on July 19, 2012, in populations of the farmed salmon. This virus, also recorded in Norway’s salmon farms, proves to be deadly for many salmon. In time, it could threaten the existence (and quality) of the farmed salmon, cutting off a major source of salmon.
To solve these problems, multiple nations should be involved in order to achieve better protection of marine ecosystems. We need to understand that marine ecosystems are particularly vulnerable to fluctuations in climate, and try to keep them as stable as possible.