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ANIMALS

IN PICTURES: Loggerhead turtles hatch on Barcelona beach for the first time

Loggerhead sea turtles hatched on Barcelona’s Mar Bella beach over the weekend from what is being hailed by conservationists as the first ever recorded nesting site on one of Barcelona’s city beaches.

IN PICTURES: Loggerhead turtles hatch on Barcelona beach for the first time
Photos released by CRAM.

A total of 55 turtles hatched on shore between Thursday and Saturday nights: five on Thursday, 40 on Friday, and the last 10 between Saturday night and Sunday morning, according to the Foundation for the Conservation and Recovery of Marine Animals (CRAM). 

The first five turtles to hatch were taken to the CRAM centre to be part of the Headstarting Project, where they will be raised in captivity until they reach an optimal weight for reintroduction into the wild. The other turtles were released directly into the sea. 


 

The nest was first located at Mar Bella beach between July 15th and 16th , shortly after a loggerhead turtle was spotted on the sand nearby.

Sixty of the 77 eggs were reburied farther from the waterline to protect them from flooding, and 17 were taken to the CRAM to be artificially incubated and studied before their release. Five of the CRAM eggs have also hatched, and another 4 are in process. 

Volunteers took round-the-clock shifts to help protect the eggs until they finished hatching on Sunday, when the CRAM staff and experts from the loggerhead turtle protection group Caretta a la Vista dug up the remains of the nest.

They found an additional turtle 20 cm deep who had not been able to reach the surface, as well as 4 unhatched eggs that appeared to be unfertilized or undeveloped. 

The CRAM staff called the hatching a success and a “historical event for the city of Barcelona”.  In total, 4 loggerhead turtle nests were found on the Catalan coast this breeding season. 

The loggerhead turtle, (Caretta caretta) is classified as vulnerable on the IUCN Red List.

By Sam Harrison in Barcelona

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NATURE

Why thousands of trees in Spain’s capital are at risk of dying

High among the treetops, the sound of a chainsaw rings out and a huge branch comes crashing down as Madrid's forestry engineers move from tree to tree, repairing the damage from the record snowfall seen in January.

Why thousands of trees in Spain's capital are at risk of dying
Photos: Gabriel Bouys/AFP

It has been over two months since Storm Filomena hit the Spanish capital, blanketing the city in the heaviest snowfall in 50 years.

But while delighted residents revelled in the winter wonderland, the weather event spelled disaster for Madrid’s 1.7 million city-owned trees, with hundreds of thousands of branches collapsing under the weight of the snow.

“Some 800,000 trees were affected in one way or another. Of that number, 120,000 won’t survive because they were totally uprooted or had to be felled,” Mr Borja Carabante, head of environmental issues at City Hall in Madrid, told Agence France-Presse.

“The damage to our green heritage has been very significant.”

Across the city, the devastation was shockingly evident, with streets and pavements blocked and the parks closed for six weeks.”Everyone was very excited, but I felt huge sadness when I saw all the fallen trees,” said Mr Pablo Fernandez Santos, a senior forestry engineer, describing it as an environmental disaster.

Worst-hit was Casa de Campo, a vast 1,500-hectare (3,800-acre) forest park west of the city, where 500,000 out of its 700,000 trees were damaged and one in five completely destroyed.

Even now, most of the park remains off-limits as the clean-up continues.

Evergreens – such as pines, holm oaks and cedars – bore the brunt, as their needles and leaves caught the snow.


By contrast, deciduous trees suffered far less, said Mr Mariano Sanchez, a tree expert from Madrid’s Botanical Gardens.

“Although the trees have adapted to cope with the wind and rain in Madrid, they weren’t ready for this snowfall. They were overloaded, the wood couldn’t support the weight and the branches broke,” he said.

Trees with very wide crowns may have supported up to “five or six tonnes” of snow, said Mr Antonio Morcillo, deputy head of green conservation at City Hall.

READ ALSO: Why everyone in Madrid is talking about its trees 

In Madrid’s historic Retiro park, 70 percent of its 17,400 trees were damaged, 1,000 of them beyond repair.

By comparison, the last major incident recorded in Madrid in 1885 was a typhoon that toppled 1,600 trees in the Retiro, Mr Sanchez said.

The Spanish government has declared the area a catastrophe zone, “which means there’s been very significant damage”, said Mr Carabante, estimating the total cost to be more than 100,000 euros (S$160,466).

But the extent of the environmental impact on Madrid’s “green lungs” remains unclear.

Trees generate huge benefits for cities such as carbon dioxide retention and pollution filtration, while also reducing the “urban heat-island” effect – increasingly important as climate change accelerates, experts said.

Mr Juan Garcia Vicente of Spanish non-governmental organisation Ecologists in Action said it is not yet clear how the damage will affect temperatures in a city with an arid climate that is getting hotter by the year.

“Not even the authorities know how much tree cover has been lost, they are looking at that now and how it could impact on the temperature,” he told AFP.

“There is a widespread belief that trees are the solution…but you must go to the root of the problem.

He continued: “We have the highest levels in Europe of nitrogen dioxide emissions and you can’t fix it by planting more trees but by improving transport.”

Over the past two months, forestry experts have been involved in an intensive triage operation, which at its peak saw 3,500 people working to clear the damage.

“We have collected nearly 21,000 tonnes of remains,” said conservation official Mr Morcillo, as workers in green-and-yellow jumpsuits cut down wreckage from a battered pine and huge piles of branches were removed to be turned into compost or used to generate electricity.

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