Iran Conflict Raises Concerns for Whale Populations Off South African Coastline

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Increased Shipping Traffic Threatens Whales Off South Africa’s Coast

A study presented at the International Whaling Commission (IWC) has found that the rising volume of shipping traffic near South Africa’s southwestern coast has substantially increased the risks of whales being struck. The research, led by Els Vermeulen of the University of Pretoria, noted that the area is home to significant populations of whales, including southern right whales, humpback whales, and Bryde’s whales.

The Strait of Hormuz, currently blocked by Iran, has caused shipping companies to reroute vessels from the Middle East to go around South Africa’s Cape of Good Hope. This has resulted in a significant increase in traffic in the area, with at least 89 commercial vessels sailing through Southern Africa between March 1 and April 24, according to the International Monetary Fund’s PortWatch Monitor.

The increased shipping traffic poses a risk to whales due to their lack of awareness about the danger posed by moving vehicles. Whales may be distracted by feeding or social interactions, making it difficult for them to detect and avoid ships. The study found that fast traffic has quadrupled in the area, increasing the chances of whales being struck.

Researchers have also noted that whales are at risk due to their behavioral changes, which some experts attribute to climate change and other factors. For example, humpback whales in South Africa began feeding off the west coast in 2011, coinciding with increased human activity in the area.

The IWC meeting highlighted the need for further research into the impact of shipping traffic on whale populations. Authorities are urging caution and warning vessels to exercise extra care when navigating through areas known to be frequented by whales.

According to the International Monetary Fund’s PortWatch Monitor, the number of commercial vessels sailing through Southern Africa has increased significantly since 2023, with only 44 vessels in the same period last year. The study’s findings have sparked concerns about the impact of shipping traffic on whale populations and the need for greater awareness and caution among vessel operators.

The World Wildlife Fund’s Protecting Whales and Dolphins Initiative has also expressed concern about the risks posed to whales by increased shipping traffic. “Whales don’t yet know how to adapt to ships,” said Chris Johnson, global lead of the initiative. “You assume that, if you hear a loud noise, you leave. But that’s not the case with some species.”

Source: Al Jazeera