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Vaquita Threats

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The Vaquita (Phocoena sinus) is in the porpoise endemic to the northern parts of the Gulf of California. The Vaquita is currently the most endangered cetacean after the functional extinction of the Baiji (Lipotes vixilifer). As of May 2016, their population size is believed to be at 60 individuals and they are believed to go extinct within the next 5 years unless conservation efforts are taken. We will be looking at some of their primary threats, the ecological consequences of them going extinct, and what the current recovery efforts look like. When it comes to distribution the Vaquita is not only restricted to the northern area of the Gulf of California, it specifically lives in shallow, murky lagoons along shorelines. They dislike …show more content…
As previously mentioned the Vaquita is not very easy to spot as it spends a lot of its time underwater and minimizes surface exposure. The problem with gillnets is often that they are difficult to detect using echolocation (pdf). Except, that is not exactly the case. The gillnets used are thick enough to be detected via echolocation. The current fear is that echolocation may not accurately represent the net and so the Vaquita may try to swim through what it sees as a hole. So, there are efforts to make the nets thicker or more reflective and this is meeting opposition from fishers as these measures would make it easier for the fish that they catch to detect and avoid the very nets that they use. Dolphins have been observed not always using echolocation when in an environment, they are familiar with. Relying instead on the sound that their prey makes(pdf) it is possible that the Vaquita may do the very same thing to find their prey since they live in shallow waters along the coastline and would be very familiar with those waters. Some other threats that the Vaquita faces is that they are sensitive to water changes since their habitat is small they don’t have a lot of places they can go. The damming of the upper Colorado River made this more of an issue as it reduced the flow of fresh water which would help alleviate any pollutants. The quality of the …show more content…
Marine conservation is a relatively new effort that has only started within the past decade. Groups such as CITES, ESA, and CIRVA have all worked together to protect the Vaquita. CIRVA was formed specifically for the Vaquita and is called the International Committee for the Recovery of the Vaquita and have already made some big pushes to help protect the species by banning fishing nets in their habitat (7). The Mexican Government has created a reserve for the Vaquita which covers the upper part of the Gulf of California and the Colorado River Delta. CIRVA is currently pushing this effort even further by simply trying to ban fishing boats from the reserve area. Several countries have been taking part in the conservation of the Vaquita, Greenpeace UK launched a campaign urging on the banning of fishing boats in the Vaquita reserve. Canada and the United States also partnered with Mexico to form the North American Conservation Action Plan (NACAP) which gave the Vaquita protection under the Commission for Environmental Cooperation under NAFTA. Mexico has even formed incentives for fishermen to help conserve the Vaquita through compensation from helping conserve the Vaquita, using safer harvesting equipment, and even as far as turning in fishing licenses. The use of safer harvesting equipment was so low and the fishermen continue to fish in the Vaquita habitat despite the incentives that conservation is proving

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