Mexico launches drones to protect endangered porpoise

2016-07-30 07:45
The drone to be used for the care of the “vaquita”. (HO Mexican Navy press office, AFP)

The drone to be used for the care of the “vaquita”. (HO Mexican Navy press office, AFP)

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Mexico City - Mexico's government has launched drones to back last-ditch efforts to prevent illegal fishing activities that have led to the near extinction of the vaquita marina, the world's smallest porpoise.

The navy and the environment ministry on Thursday unveiled three Arcturus T-20 unmanned aerial vehicles, armed with high-resolution cameras to police the upper Gulf of California day and night.

It is the latest step taken by the government to save the vaquita, a species found only in a small area of Mexico's northwest gulf.

"There is a lot left to be done and time is a decisive factor," Admiral Vidal Francisco Soberon, the navy's chief, said. "We can't allow our seas to see another species disappear."

President Enrique Pena Nieto deployed navy ships in April 2015 to enforce a two-year ban on gill nets and increased the vaquita protection area tenfold to 13 000km².

But a census released last May warned that there are only 60 of the sea creatures left, down from fewer than 100 in 2014 and 200 in 2012. Scientists fear the porpoise could vanish by 2022.

The vaquita's fate has been linked to a critically endangered fish, the totoaba, which is illegally caught for swim bladders that are dried and sold on the black market in China.

The vaquita, a shy 1.5m-long cetacean - a kind of marine mammal - with dark rings around the eyes, is said to be the victim of bycatch in illegal totoaba gill nets.

Night vision

Oona Isabelle Layolle, captain of the Sea Shepherd Conservation Society, whose ship has helped to catch illegal fishnets in the area, said drones are an effective tool to find poachers.

The international conservation group has used its own small drones with night-vision cameras to spot fishermen using illegal nets after dark.

"It's one of the best tools," Layolle told AFP. "We can see if they fish illegally without them seeing us."

But she said that the authorities need to ban all types of nets because poachers will "hide behind legal fishing permits" to continue their illegal activities.

The Mexican government has pledged $70m to help fishermen hit by the two-year gill net ban to make the transition to other methods of fishing.

The authorities announced last week that the ban on gill nets for shrimp fishing in the vaquita habitat will be made permanent from September.

Corvina and shark nets could be prohibited permanently when the temporary ban expires in April 2017, according to Rigoberto Garcia, a fisheries commission official.

Officials say fishermen sell totoaba swim bladders to smugglers who store them in border towns before sending them to the United States or shipping them directly to Asia in suitcases or through parcel services.

Each bladder fetches around $1 500-$1 800 in Mexico, rising to $5 000 in the United States and $10 000 to $20 000 apiece in Asian markets, according to US authorities.

Pena Nieto and US President Barack Obama agreed during White House talks last week to intensify bilateral co-operation to protect the vaquita by increasing co-operation against totoaba fishing and developing alternative fishing gear.

Read more on:    mexico  |  marine life  |  conservation

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