Hong Kong has discovered a new butterfly species "Big Harvest" this year, and nearly seven new species have appeared. The Environmental Protection Association is extremely worried about this situation.
Most of the new butterfly species discovered this year have migrated from Southeast Asia. The group pointed out that the situation reflects the serious global warming problem. Minimize carbon emissions in life.
In addition to the increase in butterfly species, two rare butterfly species have also been found in Hong Kong. At the same time, some common local species have gradually disappeared in recent years. The group described the situation as "If you gain, you will lose."
The northward shift of temperature line affects butterfly ecology
Due to severe climate change, the ecology and habitat of butterflies are also affected.
Pan Ruihui, advisory committee member of the Fengyuan Butterfly Conservation Zone, said that since the spring of Hong Kong has almost disappeared this year and the winter has become short, the weather in Hong Kong has become hotter and hotter, causing tropical butterflies that originally lived in Southeast Asia to move to Hong Kong. Moving northward, so the butterfly also moved northward."
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The new species of butterflies originate from Southeast Asia such as India and Thailand
Pan Ruihui pointed out that Hong Kong is subtropical and suitable for temperate and partly tropical butterflies to live in. Butterflies will choose to migrate due to the suitability of the temperature in their place of residence. Most of the new species discovered in the incident were originally located in Southeast Asia such as India and Thailand. It was later confirmed that they were Lycaena phlaeas, Pathysa agetes, Polyura eudamippus, Ancema blanka, Zeltus amasa, and Ka Neptis cartica, Cepora nadina.
Pan Ruihui said that this is the first time in more than 30 years that so many new butterflies have been discovered in one year. In the past, one or two species have been discovered occasionally, which is believed to be greatly related to climate change. None of these new species have been discovered in Hong Kong.
The Director-General of the Environmental Protection Council, Qiu Rongguang, said, "Butterfly brings us a very important message. The weather is very important. Even our butterfly species are from the hotter places in the south, just like Thailand and Malaysia migrating to Hong Kong. Qiu Rongguang also pointed out that the new species of butterflies discovered this time became a local species, rather than a short stay. Because the new butterflies have a tendency to reproduce and expand, new species can be found in many places in Hong Kong.
There are local butterfly species gradually disappearing
Pan Ruihui said that two extremely rare butterflies appeared this year, including the handsome Sephisa chandra (Sephisa chandra) and Deudorix smilis (Deudorix smilis) that have disappeared for ten years. There are records such as Caoshan, Dapujiao and Li'an.
Pan Ruihui also said that "there is gain, there is loss." Although there are more butterfly species in Hong Kong, some of the original local species have gradually disappeared, including the dead leaf butterfly and the rippled butterfly.
Pan Ruihui said that the dead leaf butterfly has completely disappeared in the last ten years, and there is a chance that it will move northward. The appearance of another waved eye butterfly is decreasing every year. A few years ago, you could see nearly six at Longgutan at a time, but now it is one It occurs no more than ten times a year, and the situation is like "a frog boiled in warm water."
Encourage the public to pay attention to climate change and save energy as much as possible
According to Qiu Rongguang, according to the Observatory's data, the number of days of extreme precipitation events, extremely hot weather (33 degrees Celsius or above), and hot nights (28 degrees Celsius or above) has increased in Hong Kong. In the past, there were only one to two days of extreme heat and heat. The night weather recorded about 17 days and 23 days respectively this year, and the cold weather (the daily minimum temperature is 12 degrees Celsius or below) has shrunk to less than 15 days.
This time, I hope to use the butterfly's migration as a messenger, hoping to bring out the message that climate change has become serious.
Qiu Rongguang said that "carbon neutrality" is urgent. He hopes that citizens can save energy in their lives. For example, take more public transportation and adjust the air conditioner to a suitable temperature. Renewable energy will be implemented as soon as possible for the wind farms in southern and Saigon that have been discussed for a long time.
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