Underwater Noise and Illustrator Art Work

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Ahad
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Joined: Mon Jul 04, 2022 5:23 am

Underwater Noise and Illustrator Art Work

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Text: Lin Zihao (Assistant Researcher, Center for Biodiversity Research, Academia Sinica), Yu Xinyi (Director of the Chinese Cetacean Association), Yao Qiuru (Assistant Researcher, National Museum of Natural Science) On April 25 this year, the Marine Conservation Wildlife Rescue Organization Network (MARN) [1] received a report from the public that a group of small killer whales had lost their way and entered the second port of Kaohsiung Port. Five individuals were stranded to death and one was evacuated. placement. On May 4, at least six small killer whales reappeared at Sinosteel Pier 100, which is further inside Kaohsiung Port. The Marine Conservation Administration coordinated various ships to try to guide the lost orca away from the port with multiple ships, but still unsuccessful. Within two weeks after the first notification of calf orcas,

several strandings were reported along the coasts of Kaohsiung, Chiayi and other places, and at least 16 individuals died. All species of cetaceans are listed as marine conservation animals in Taiwan. Once the cetaceans stray into the port, the port authorities and shipping agencies do not pay attention to their traces and cause harm to the cetaceans, which may violate the Wildlife Conservation Law. The longer they stay in port, Illustrator Art Work
the more susceptible cetaceans are to unfavorable local environmental conditions that can affect their physiology. Even if conservation authorities want to launch rescue operations, there is currently no means of effectively guiding cetaceans out of port. While underwater noise from boats has been used in the past to drive away cetaceans, the practice can easily make cetaceans stress and even increase the risk if the cause of the stray is unclear. Therefore,

how to prevent cetaceans from straying into the port area will be one of the important links in cetacean conservation. Group Trek and Stranding of Cetaceans Why cetaceans get lost and stranded in groups may be related to group behavior and individual physiological conditions, and may also be affected by changes in the natural environment or human factors that reduce their mobility. With current scientific knowledge, this is still a difficult question to answer, let alone how to prevent these events from happening again. Looking back at the strays and strandings of cetaceans and dolphins in Taiwan in the past 10 years, there are about 81.6 strays or strandings per year on average. Of the total number of reported cases, more than two adults accounted
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