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According to a report submitted by the Marine World Foundation.
More than ninety percent of the marine fauna found on the coast of Buenos Aires in 2018 showed some type of affection directly or indirectly linked to interaction with humans, the Mundo Marino Foundation said in a statement.
The foundation found and assisted 363 animals on the coast of Buenos Aires, and 330 showed malnutrition, interaction with plastic and gill nets.
Malnutrition was one of the factors with the highest incidence, with 72 cases recorded, something that particularly affected sea lions since in recent years the number of these animals that appeared on the coast increased.
Sergio Rodríguez Heredia, biologist and head of the Rescue and Rehabilitation Center of the Mundo Marino Foundation, said that “the lack of food can be caused by overfishing, including global warming, which often disrupts the distribution of prey, and could also be generating toxic algal blooms in places where there used to be.”
Another major threat arising from the analysis of the register of assisted animals is the gill in active fishing nets or in phantom nets that cause a large mortality of different marine species around the world.
Despite the collaboration of different artisanal fishermen from the region who bring themselves meshed animals in their nets, during 2018 58 cases were recorded with consequences derived from meshes.
The most affected species was the Franciscan dolphin, of which 41 specimens were found dead during the past year; the most emblematic case occurred in January 2018 with the appearance of a Franciscan dolphin and its offspring trapped in a ghost net.
A third threat was negative interaction with plastic, of which 39 cases were recorded.
In this sense Karina Álvarez, biologist and head of Conservation of the Marine World, pointed out that “historically, the sea turtle was the species most affected by this situation. They confuse their natural food (jellyfish and jellyfish) with plastic bags. In fact, 97 percent of the turtles we see today have plastic in their digestive systems. But, remarkably, in recent years we have found marine mammals and birds affected by plastic.”
An unusual situation in 2018 was the stranding of large cetaceans; the first occurred in mid-August when a humpback whale was trapped in a trammel net in the Punta Rasa area of San Clemente del Tuyú. Then, during the last weekend of that month, six orcas were stranded: two in the Partido de la Costa (Nueva Atlantis), two in the match of Villa Gesell (Querandí lighthouse area), and two in Mar del Plata.
Publication Date: 03/02/2019
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