Antarctica’s first Marine Protected Area

by Robert C. Brears Blog

In October of this year, the Commission for the Conservation of Antarctic Marine Living Resources, which is comprised of 24 countries including the United States, the European Union, Australia and New Zealand, reached a consensus on a New Zealand/United States proposal to establish a large-scale Marine Protected Area (MPA) in the Ross Sea region.

Regionen: Antarktis

Reiseziele: Rossmeer

Antarctica’s first Marine Protected Area

In October of this year, the Commission for the Conservation of Antarctic Marine Living Resources, which is comprised of 24 countries including the United States, the European Union, Australia and New Zealand, reached a consensus on a New Zealand/United States proposal to establish a large-scale Marine Protected Area (MPA) in the Ross Sea region.

The Agreement will enter into force on December 1 2017 and will cover an area of 1.55 million square kilometres, of which 1.12 million square kilometres – 72% - is fully protected (no fishing allowed). This will be the world’s largest MPAs.

Commission for the Conservation of Antarctic Marine Living Resources

The Commission was established in 1982 with the objective of conserving Antarctic marine life. This was in response to increasing commercial fishery interests in Antarctic krill, which is a key component of the Antarctic ecosystem. The key principle of the Commission is to practice an ecosystem approach to managing living resources in Antarctica by ensuring harvesting is carried out in a sustainable manner and takes into account the effects of fishing on other components of the ecosystem.

A key component of the Commission is its Scientific Committee which provides the best available scientific information on harvesting levels and other relevant management issues to the Commission, from which the Commission is obligated to take into full account the recommendations and advice of the scientific Committee in its decisions. In addition, the Commission has established a variety of programmes to collect the data required to effectively manage the Southern Ocean including fisheries monitoring, scientific observers on fishing vessels, ecosystem monitoring and marine debris programme. Meanwhile, the Scientific Committee has established a number of working groups that meet throughout the year and assist in formulating scientific advice on key areas.

Regarding the management of commercial harvesting in Antarctica, the Commission established the CCAMLR Ecosystem Monitoring Program. This program has two aims:

  • To detect and record significant changes in critical components of the marine ecosystem, which serves as the basis for the conservation of Antarctic marine living resources;
  • Distinguish between changes due to harvesting of commercial species and changes due to environmental variability, both physical and biological.

The Ross Sea’s MPA preserving biodiversity

The Ross Sea region is one of the most pristine environments in the world with an unbroken food-chain and full range of top-level predators to be found in its waters. The region also includes on the most thriving areas of the Southern Ocean: The Ross Ice Shelf. At different times of the year the Ross Sea Shelf is home to 32% of the world’s Adélie penguins, 26% of Emperor penguins, 30% of Antarctic petrels and around 50% of Ross Sea orcas. Between 50-72% of South Pacific Weddell seals live there throughout the year. The MPA agreement is designed to balance marine protection, sustainable fishing and science interests and will protect important habitats and foraging areas of marine mammals, birds, fish and invertebrates.


In fact, over 16,000 species are thought to call the Ross Sea home with many of them uniquely adapted to thrive in the cold, harsh environment. In a study from 2011, the area was called the “least altered marine ecosystem on Earth” due to its intact communities of Emperor and Adélie penguins as well as crabeater seals, Orcas and minke whales.

What is a marine protected area?

A marine protected area is a region of the ocean in which human activities are more strictly regulated than in the surround waters. It is similar to a national park on land in which the area is designated and managed through legal means with the goals of achieving long-term conservation of habitat, providing refuge for different species and even providing safe havens for cultural and historical sites.

MPAs play an important role in wildlife conservation in that they protect biodiversity and buffer habitats from the impacts of humans and allow impacted areas to recover, for instance fish stocks can recover in population size by allowing fish to safely spawn and grow to adulthood. MPAs also provide important opportunities for scientists to monitor the health of species.

Not all marine protected areas are created equal

However, not all MPAs are created equal. In fact, there are several types of MPAs, first there is the strict no-take MPA that prohibits any type of take from the designated area. These areas are also called Marine Reserves. Other types of MPAs allow varying levels of fishing to take place with restrictions on equipment used, quotas on takes and the requirement of a license or permit.

Antarctica’s marine protected area’s various features

The marine protected area created by the Commission on the Conservation of Antarctic Marine Living Resources has a variety of features. Firstly, there is a ‘no take’ General Protection Zone, which is a fully protected area where no fishing is permitted. This area includes the Ross Sea shelf and slope; the Balleny Islands; and representative protection of areas that provide good samples of special habitats including the Scott Seamount, which is an underwater mountain range. Secondly, a Special Research Zone will be created that allows for limited research fishing for krill and toothfish; and thirdly a Krill Research Zone which allows for controlled research fishing for krill.

The duration of the marine protected area has been set at 35 years for the General Protection Zone with a consensus decision required by the Convention’s members to continue the MPA beyond this period. A shortened period of duration was agreed to for the management of the Special Research Zone with restrictions on fishing expiring after 30 years, from which the Scientific Committee will consider whether other measures are required to meet agreed science and protection objectives.

It was agreed upon by the members that the catch limit for Antarctic toothfish in the Special Research Zone be limited to 15% of the total allowable catch for the Ross Sea fish industry, where the catch limit meets the scientific research and protection objectives of the area. A clause was made that if the Special Research Zone expires after 30 years the catch limit will not exceed 20% of the total allowable catch set for the area.


The fisheries in the Convention’s area mainly targets Patagonian toothfish, Antarctic toothfish, mackerel icefish and Antarctic krill. These fisheries are managed using an ecosystem-based and precautionary approach with management objectives to balance conservation and rational use of living resources and maintain existing ecological relationships.

There is in fact five types of fisheries, each reflecting the stage of development and level of information available to make management decisions, with each having a catch limit based on agreed rules that ensure the long-term sustainability of the fishery.  These limits determine when, how and where fisheries are conducted in order to manage potential impacts on the ecosystem. The regulations are usually specific to a fishing season and monitoring is performed using information reported to the Secretariat in real-time and other short intervals during the fishing season.

In addition, member countries maintain their own complementary management strategies in these areas under their jurisdiction in the Convention Area, for instance, South Africa maintains a strategy in waters adjacent to Prince Edward and Marion Islands and France with Crozet and Kerguelen Islands. 

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