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Cetaceans are marine mammals commonly known as whales, dolphins and porpoises. There is traditionally an arbitrary distinction between the large and small cetaceans. The group of...
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Cetaceans are presently under several threats. In general, these threats affect the large cetaceans as well as the small cetaceans. Historical threats have been existing for a...
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Historical threats are:
- Hunting and deadly catches
- Collisions with ships
- Bycatches
These intentional and unintentional threats are due to human activities...
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With bycatches and entanglement, collisions with ships are a cause of unintentional death due to human activities. They take place all over the world in large numbers but are not...
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Each year, many cetaceans (300,000 a year) are victims of accessory catches, that is, bycatches in fishing nets or with hooks. Cetaceans can also be entangled in "ghost nets":...
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Many chemicals (e.g. hydrocarbons, DDT and PCBs) are released into the ocean as part of maritime traffic, industrial activities, agricultural activities and urban activities or...
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There are many types of electromagnetic radiation: gamma rays, x-rays, ultraviolet light, visible light, infrared light, radio waves, etc. Each type of radiation has a different...
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The medical officer* of your health insurance fund* will refuse you a prior authorisation* if the healthcare treatment for which you are applying for prior authorisation*:
- is...
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Capture of live cetaceans are supposedly made for educational purposes but in reality, the captured cetaceans are meant for zoos, dolphinariums, scientific and military programmes...
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Like many other species, cetaceans suffer the consequences of global warming.
In fact, global warming affects their environment, habitat and food sources on which they depend (...