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Acoustic induction protection device and method for Neophocaena asiaeorientalis asiaeorientalis in construction water area

A protection device and water area technology, applied in applications, animal repellants, animal husbandry, etc., can solve problems such as insufficient repellent protection, strong underwater noise, and inability to repel the Yangtze finless porpoise.

Inactive Publication Date: 2019-03-01
INST OF AQUATIC LIFE ACAD SINICA +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there are some defects in this driving mode, such as more ships, manpower, equipment, etc. are invested, and the cost is higher; Adverse effects on the Yangtze finless porpoise in the construction waters; as the frequency of repelling increases, the Yangtze finless porpoise may become increasingly familiar with the repelling form and the sound signals of repelling, resulting in these acoustic signals not being able to repel the Yangtze finless porpoise, and failing to achieve the effect of repelling and protecting the finless porpoise

Method used

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  • Acoustic induction protection device and method for Neophocaena asiaeorientalis asiaeorientalis in construction water area
  • Acoustic induction protection device and method for Neophocaena asiaeorientalis asiaeorientalis in construction water area
  • Acoustic induction protection device and method for Neophocaena asiaeorientalis asiaeorientalis in construction water area

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Embodiment 1

[0034] The Yangtze finless porpoise camp lives in groups, with a group size of 3 to 5, sometimes 10 or more individuals. The core group unit is the mother-pup group. The mother dolphin and the young dolphin have a close relationship. The lactation period is about 6 months. After the lactation period, the young dolphins live with the mother dolphin for more than 2 years. Adult male finless porpoises usually follow different small groups, either with mother and young groups, or with other female or male individuals or small groups. The auditory system of the Yangtze finless porpoise is highly sensitive. Under the turbid water, individuals maintain communication through sound signals. Through underwater acoustic instruments, a communication signal simulating the sound of the Yangtze River finless porpoise—whistle sound—is sent out to induce the Yangtze finless porpoise to stay away from a dangerous environment and enter a safe environment, so as to achieve the purpose of protecti...

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Abstract

The invention relates to a wildlife protection technology, in particular to an acoustic induction protection device and method for Neophocaena asiaeorientalis asiaeorientalis in a construction water area. The acoustic induction protection method is implemented by an acoustic instrument. The acoustic induction protection method comprises the following steps: step 1, fixing the acoustic instrument in a specific safe water area outside a construction site, and controlling the placing depth to be half of the water depth; and step 2, using the acoustic instrument to generate acoustic signals so asto induce Neophocaena asiaeorientalis asiaeorientalis to move away from the construction water area and enter a safe water area where the acoustic instrument is located. The acoustic induction protection method for Neophocaena asiaeorientalis asiaeorientalis in the construction water area is developed by measuring whistles of Neophocaena asiaeorientalis asiaeorientalis, measuring the hearing ability of a wild small group Neophocaena asiaeorientalis asiaeorientalis, measuring the underwater background noise of a natural habitat of Neophocaena asiaeorientalis asiaeorientalis, and measuring the underwater noise of a construction project. The method can be used to effectively induce and protect Neophocaena asiaeorientalis asiaeorientalis in engineering construction water areas, and avoid accidental injury and accidental killing of Neophocaena asiaeorientalis asiaeorientalis by wading construction activities.

Description

technical field [0001] The invention belongs to the technical field of wild animal protection, and in particular relates to a sound induction protection device and method for the Yangtze River finless porpoise in construction waters. Background technique [0002] The Yangtze finless porpoise (Neophocaena asiaeorientalis asiaeorientalis) is a national second-class key protected wild animal. It is only distributed in the main stream of the middle and lower reaches of the Yangtze River, Dongting Lake, Poyang Lake and some tributaries. The natural hydrological environment and changes in these waters, the distribution of small fish resources and Its changes, the spatial characteristics of the water area and the underwater acoustic environment have unique adaptability. However, with the increase of people's development and utilization of resources, incidents of accidental injuries to Yangtze finless porpoises have occurred from time to time due to engineering construction involvin...

Claims

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Application Information

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IPC IPC(8): A01M29/16
CPCA01M29/16
Inventor 王克雄王志陶王丁程兆龙居涛张天赐方亮谢燕郑超蕙
Owner INST OF AQUATIC LIFE ACAD SINICA
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