Shocking images reveal rotting lizards on the Galapagos as El Nino destroys its food supply – Daily Mail

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Scientists say climate change and severe El Nino events are destroying the famed ecosystem of the Galapagos islands – as a local photographer claims to have caught proof of the impact global warming is having on marine iguanas.His images of rotting marine iguana carcasses paint a heartbreaking potrait of the struggle many animals face on the Islands.The islands were made famous when Charles Darwin visited the archipelago on his iconic voyage aboard the HMS Beagle,  but climate change is affecting its unique ecosystem, scientists claim.  The hotter water is killing its food source which lives in the waters off the coast of the island, and the reptiles are starving to death as a result. Photographer Tui De Roy, who grew up on the islands, captured the striking image to highlight their plight.Scroll down for video  Photographer Tui De Roy has taken images of the Galapagos and its besieged wildlife. Pictured is a sea iguana which starved to death as its food sources are depleted, which, scientists claim, is being intensified by climate change The twisted corpse of a marine iguana that starved to death due to El Nino effect is pictured. There are claims that climate change is intensifying the El Niño effect – a short-term period of warm ocean surface temperatures in the tropical PacificOne powerful picture shows the carcass of a sea iguana laying on a rock after starving to death, an effect of warming waters killing the resources they rely on. Photographer Tui De Roy captured striking images of these creatures to highlight their plight because, he claims, of the sustained period of warm weather, or El Nino.Although it is uncertain how the animals shown perished, Mr De Roy believes that these deaths are a direct result of the sea surface temperature warming.There are claims that climate change is intensifying the El Niño effect – a short-term period of warm ocean surface temperatures in the tropical Pacific, which stretches from South America towards Australia.  The change in water temperatures can affect the marine life directly because upwelling, cold water rising to the surface, is reduced during the event. Previous studies have shown that marine species including penguins, seals and iguanas struggle because of lack of food in the near-surface waters.Many Galapagos marine animals die or cannot reproduce successfully due to the lack of food, the researchers wrote.  Other images captured on the archipelago include a colourful iguana posing on the rocks and the unusual spectacle of a swimming lizard.The great naturalist Charles Darwin travelled to the region on the HMS Beagle in 1835, and observed them racing around the rocky shores.Despite making extensive observations on the creatures, he famously detested their appearance referring to them as ‘imps of darkness’.  This time is ripe for Darwin’s theory of natural selection to be put to the test as food is becoming ever more scarce. The photographs were captured by renowned photographer and author Tui De Roy, who grew up on the islands off the coast of mainland Ecuador.After watching the animals for many years, the naturalist has witnessed thousands of them die due to lack of food every time there is a sustained period of warm weather.The vulnerable iguanas have one trick which allows them to survive, he said, which is being able to adjust their body size by shrinking or growing at will.This allows them to better regulate their heat loss. Over a period of months, they break down their bone tissue before building it back up again after the famine is over. The photographs were captured by renowned photographer Tui De Roy, who grew up on the Galapagos Islands off the coast of mainland Ecuador’Marine iguanas live hard lives: all they need is tropical sun to keep warm, black lava to bask on, cold seas full of seaweed to feed on; that’s it, no frills,’ he explained.’This makes them the perfect subject to illustrate the otherworldly qualities of the volcanic Galapagos Islands.’But they are also quite vulnerable: when the cold ocean currents are replaced by warm waters, the seaweed dies, and so do the iguanas.’They have the ability to shrink their bodies – even their skeleton – by as much as 20 per cent in overall length in order to resist starvation until the cold waters return.’But if the warm spell (El Niño) lasts more than 3-4 months, thousands of iguanas die.’ Pictured is a Galapagos lava lizard sitting on a very patient marine iguana. The photographs were captured by renowned photographer Tui De Roy, who grew up on the islands off the coast of mainland Ecuador The vulnerable iguanas have one trick which allows them to survive, the photographer claims. They are able to adjust their body size by shrinking or growing at will, which allows them to better regulate their heat loss They are able to adjust their body size by shrinking or growing at will, which allows them to better regulate their heat loss.The animals reside on rocks and bask in the sun (pictured) to increase their body temperature  It was on the stunning volcanic archipelago that Charles Darwin drew inspiration for his theory of evolution. However, he was not a fan of the marine (or ‘sea’) iguana as evidenced by the notes he wrote in the 1800s where he referred to them as ‘imps of darkness’Natural processes are often more visible on the Galapagos Island due to its unique biosphere. It was on the stunning volcanic archipelago that Charles Darwin drew inspiration for his theory of evolution. Studies about the lizard found that land-dwelling iguanas from South America must have drifted out to sea millions of years ago on logs or other debris, eventually landing on the Galapagos. WHAT IS EL NINO?  El Niño is caused by a shift in the distribution of warm water in the Pacific Ocean around the equator.Usually the wind blows strongly from east to west, due to the rotation of the Earth, causing water to pile up in the western part of the Pacific.This pulls up colder water from the deep ocean in the eastern Pacific.However, in an El Niño, the winds pushing the water get weaker and cause the warmer water to shift back towards the east. This causes the eastern Pacific to get warmer.But as the ocean temperature is linked to the wind currents, this causes the winds to grow weaker still and so the ocean grows warmer, meaning the El Niño grows.This change in air and ocean currents around the equator can have a major impact on the weather patterns around the globe by creating pressure anomalies in the atmosphere. From that species emerged marine iguanas, which spread to nearly all the islands of the archipelago.Each island hosts marine iguanas of unique size, shape and colour, similar to Darwin’s famed hummingbirds.However, population figures have taken a hit this already year, with thousands of the animals starving to death.Usually marine iguanas feed on red and green algae that thrives in the shallows of the Galapagos shoreline. Usually marine iguanas feed on red and green algae that thrives in the shallows of the Galapagos shoreline. Their ability to dive down over 30 feet with crocodile-like grace and also be able to digest the algae found there has helped them to live for millions of years However, during El Nino years, their usual food source suffers as warm waters prevent the algae from flourishing as usual. To save, or to at least maintain, the population of the bizarre reef-diving reptile, Tui De Roy believes we must all do our bitTheir ability to dive down over 30 feet with crocodile-like grace and also be able to digest the algae found there has helped them to live for millions of years in the protected environment.However, during El Nino years, their usual food source suffers as warm waters prevent the algae from flourishing as usual.To save, or to at least maintain, the population of the bizarre reef-diving reptile, Tui De Roy believes we must all do our bit.’The biggest threat by far to marine iguanas is climate change, and that’s not a problem that can be resolved at local level,’ the Ecuadorian photographer said.’It will require all people and all countries to curb the globally rising sea temperatures that could easily extinguish this species forever.’ WHO WAS CHARLES DARWIN? Charles Darwin (1809-1882)Charles Robert Darwin was born in Shrewsbury, Shropshire, the fifth of six children of wealthy and well-connected parents.One of his grandfathers was Erasmus Darwin, a doctor whose book ‘Zoonomia’ had set out a radical and highly controversial idea, that one species could ‘transmute’ into another. Transmutation is what evolution was then known as.In 1825, Charles Darwin studied at Edinburgh University, one of the best places in Britain to study science. It attracted free thinkers with radical opinions including, among other things, theories of transmutation.Darwin trained to be a clergyman in Cambridge in 1827 after abandoning his plans to become a doctor, but continued his passion for biology.In 1831, Charles’ tutor recommended he go on a voyage around the world on HMS Beagle.Over the next five years Darwin travelled five continents collecting samples and specimens while investigating the local geology. With long periods of nothing to do but reflect and read, he studied Charles Lyell’s Principles of Geology, which had a profound impact.The trip also began a life of illness after he suffered terrible sea sickness.In 1835, HMS Beagle made a five-week stop at the Galapágos Islands, 600 miles off the coast of Ecuador. There, he studied finches, tortoises and mockingbirds although not in enough detail to come to any great conclusions. But he was beginning to accumulate observations which were fast building up. On returning home in 1838, Darwin showed his specimens to fellow biologists and began writing up his travels. It was then that he started to see how ‘transmutation’ happened. He found that animals more suited to their environment survived longer and have more young. Evolution occurred by a process he called ‘Natural Selection’ although he struggled with the idea because it contradicted his Christian world view. Having experienced his grandfather being ostracised for his theories, Darwin collected more evidence, while documenting his travels, until 1851. He decided to publish his theory after he began to suffer long bouts of sickness.Some historians suggest that he had contracted a tropical illness while others felt that his symptoms were largely psychosomatic, brought on by anxiety.In 1858, Darwin received a letter from Alfred Russel Wallace, an admirer of Darwin’s from reading about his Beagle Voyage. Darwin drew fierce criticism from the Church and some of the press. Many people were shaken by the book’s key implication that human beings descended from apes, although Darwin only hinted at itWallace arrived at the theory of natural selection independently and wanted Darwin’s advice on how to publish.In 1858, Darwin finally went public giving Wallace some credit for the idea. Darwin’s ideas were presented to Britain’s leading Natural History body, the Linnean Society. In 1859, he published his theory on evolution. It would become one of the most important books ever written.Darwin drew fierce criticism from the Church and some of the press. Many people were shaken by the book’s key implication that human beings descended from apes, although Darwin only hinted at it. In 1862, Darwin wrote a warning about close relatives having children, he was already worried about his own marriage, having married his cousin Emma and lost three of their children and nursed others through illness.Darwin knew that orchids were less healthy when they self-fertilised and worried that inbreeding within his own family may have caused problems. He worked until his death in 1882. Realising that his powers were fading, he described his local graveyard as ‘the sweetest place on Earth’.He was buried at Westminster Abbey. 
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