Protecting Marine Mammals (Wildlife Protection, Estruction by Marielle De Vries
By Marielle De Vries
This booklet summarises felony and political occasions concerning lively sonar and marine mammals. whereas strandings and mortality of marine mammals, basically beaked whales, were saw in concurrence with mid-frequency sonar operation, extra controversy has inquisitive about the advance of low-frequency energetic (LFA) sonar. a few peacetime use of army sonar has been regulated less than the Marine Mammal defense Act (MMPA) and different statutes because of issues that lively army sonars are operated at frequencies utilized by a few cetaceans (i.e., whales, porpoises, and dolphins), and their high-intensity sound pulses might shuttle lengthy distances within the ocean. even if mid-frequency sonar has been implicated in numerous beaked whale strandings, there's clinical uncertainty surrounding the totality of the results energetic sonar transmissions can have on marine mammals. This ebook additionally addresses the fear concerning environmental results of ocean noise on 3 actions - army sonar routines, oil and gasoline exploration, and advertisement delivery. this can be an edited, excerpted and augmented variation of a CRS e-book.
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Extra info for Protecting Marine Mammals (Wildlife Protection, Estruction and Extinction Series)
Aircraft with deployed sonobuoys will use only the passive capability of sonobuoys when marine mammals are detected within 200 yards of the sonobuoy. Exemption from Requirements and Mitigation Measures 27 19. Marine mammal detections will be immediately reported to the assigned Aircraft Control Unit for further dissemination to ships in the vicinity of the marine species as appropriate when it is reasonable to conclude that the course of the ship will likely result in a closing of the distance to the detected marine mammal.
The District Court entered a preliminary injunction prohibiting the Navy from using MFA sonar during its training exercises. The Court of Appeals held that this injunction was overbroad and remanded to the District Court for a narrower remedy. The District Court then entered another preliminary injunction, imposing six restrictions on the Navy‘s use of sonar during its SOCAL training exercises. ‖ The Navy then sought relief from the Executive Branch. ‖ The CEQ allowed the Navy to continue its training exercises under voluntary mitigation procedures that the Navy had previously adopted.
The plaintiffs are the Natural Resources Defense Council, Jean-Michael Cousteau (an environmental enthusiast and filmmaker), and several other groups devoted to the protection of marine mammals and ocean habitats. They contend that MFA sonar can cause much more serious injuries to marine mammals than the Navy acknowledges, including permanent hearing loss, decompression sickness, and major behavioral disruptions. According to the plaintiffs, several mass strandings of marine mammals (outside of SOCAL) have been ―associated‖ with the use of active sonar.