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Effects of Illegal Whaling in The Southern Ocean Whale Sanctuary on Benthic and Pelagic Ecosystems

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Whaling in the Southern Ocean Whale Sanctuary (SOWS) is an ongoing issue despite laws and regulations prohibiting commercial hunting in these waters. Whaling fleets from Japan use scientific research to justify continued whaling in the Southern Ocean. Weak enforcement of the regulations set up in the SOWS has allowed countries, most notably Japan, to continue their hunts with little interference. If whaling continues in the SOWS, it may lead to irreversible effects to the ecosystem of the Southern Ocean.
A steady decrease in whale populations can have a top-down effect on many other species in the ecosystem, especially penguin, seal, and krill. The reasoning is because whales are a keystone species in the Southern Ocean (Ainley, …show more content…

The Southern Ocean Whale Sanctuary is located in waters surrounding Antarctica.

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Whaling inside the southern ocean is strictly prohibited for commercial purposes; countries are allowed to kill a certain number of whales per year for scientific research.

Ecosystem
To look at the ecosystem of the Southern Ocean, we will be referencing the food web created by Laws.

The whales that are going to be focused are species of baleen whales found in the southern ocean. These species are the fin whale, the blue whale, the sei whale, the humpback whale, and the minke whale. As shown in the food web, the main food source of these whales is krill. This is important to note in regards to the issues of prey switching, as well as krill surplus, which will be discussed later in the research. (WHAT IS A BALEEN WHALE???)

Illegal Whale Hunting
Issue

The issue behind whaling in the Southern Ocean is mainly attributed to the permit of scientific whaling in the southern ocean. Allowing scientific whaling in the Southern Ocean has sparked a debate about what is considered research, and what is considered whaling, and many are coming to realize there is a fine line between the two. Currently, the only country performing scientific whaling in the Southern Ocean is Japan (Peace, 2010). The problem with Japans scientific whaling program is that many believe it is being used as a cover for commercial whaling. According to Peace, most

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