Humpback whales in South Africa: Environmental recovery boosts hopes for marine conservation

Written by: Mohamed Ragab

In recent years, the western coasts of South Africa have witnessed a remarkable increase in the number of humpback whales, a phenomenon that has attracted the attention of scientists and researchers in the field of marine life.

Experts have observed huge gatherings known as "giant groups," comprising hundreds of whales in one area, a rare sight that was difficult to see decades ago.

Marine biologists confirm that this development reflects the recovery of whale numbers after many years of sharp decline resulting from intensive commercial fishing during the last century.

Success of international protection efforts

Researchers attribute this recovery to international measures taken to protect whales, most notably the ban on commercial whaling that came into effect in the 1980s.

This decision helped give whales a chance to reproduce and gradually restore their numbers, until some species, most notably humpback whales, became more widespread in the waters surrounding South Africa.

Scientists assert that these findings represent one of the world's most notable success stories in the field of preserving biodiversity and marine ecosystems.

Food abundance behind the massive gatherings

Researchers point out that the emergence of these large gatherings is not only related to the increase in the number of whales, but also to the availability of large quantities of food, especially small fish and marine organisms that whales depend on for their nutrition.

When these resources are abundant, whales gather in large numbers to take advantage of the plentiful food, giving scientists a better opportunity to study their behavior, migration patterns, and reproduction.

These scenes have also become a draw for tourists and wildlife enthusiasts, which is boosting ecotourism in South Africa.

Challenges that threaten the continuation of the recovery

Despite the positive signs, environmental experts warn that humpback whales still face a number of risks that could affect their continued recovery.

Among these challenges is the increased traffic of commercial vessels in the waters surrounding South Africa, which raises the likelihood of ships colliding with whales during their migration.

Climate change, marine pollution, and whales becoming entangled in fishing nets also represent ongoing threats that require enhanced protection measures and monitoring of the sea lanes traversed by these giant creatures.