Australia – New Zealand Maritime Treaty
Encyclopedia
The Australia – New Zealand Maritime Treaty is a 2004 treaty
between Australia
and New Zealand
in which the two countries formally delimited
the maritime boundary
between the two countries.
The treaty was signed in Adelaide
on 25 July 2004 by Foreign Minister of Australia Alexander Downer
and Foreign Minister of New Zealand Phil Goff
. It formalised the ocean
borders
that had been de facto recognised by both countries since the early 1980s, when the United Nations Convention on the Law of the Sea
was created.
The treaty defines the boundaries between Australia and New Zealand's exclusive economic zone
s and continental shelf
claims. Specifically, it defines two separate maritime
boundaries, both of which are approximate median points between Australian and New Zealand territory. The two separate boundaries are not connected.
The first and more northern boundary separates the North Island
and Three Kings Islands
of New Zealand from Australia's Norfolk Island
and Lord Howe Island
. The northern boundary is composed of 27 individual straight-line segments defined by 28 separate coordinate points.
The second and more southern boundary defined by the treaty separates Australia's Macquarie Island
from New Zealand's Auckland Island
and Campbell Island
. The southern boundary is composed of nine individual straight-line maritime segments defined by ten separate coordinate points.
The treaty came into effect on 25 January 2006 after it had been ratified
by both countries. The full name of the treaty is Treaty between the Government of Australia and the Government of New Zealand establishing certain Exclusive Economic Zone and Continental Shelf Boundaries.
Treaty
A treaty is an express agreement under international law entered into by actors in international law, namely sovereign states and international organizations. A treaty may also be known as an agreement, protocol, covenant, convention or exchange of letters, among other terms...
between Australia
Australia
Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...
and New Zealand
New Zealand
New Zealand is an island country in the south-western Pacific Ocean comprising two main landmasses and numerous smaller islands. The country is situated some east of Australia across the Tasman Sea, and roughly south of the Pacific island nations of New Caledonia, Fiji, and Tonga...
in which the two countries formally delimited
Boundary delimitation
Boundary delimitation, or simply delimitation, is the term used to describe the drawing of boundaries, but is most often used to describe the drawing of electoral boundaries, specifically those of precincts, states, counties or other municipalities...
the maritime boundary
Maritime boundary
Maritime boundary is a conceptual means of division of the water surface of the planet into maritime areas that are defined through surrounding physical geography or by human geography. As such it usually includes areas of exclusive national rights over the mineral and biological resources,...
between the two countries.
The treaty was signed in Adelaide
Adelaide
Adelaide is the capital city of South Australia and the fifth-largest city in Australia. Adelaide has an estimated population of more than 1.2 million...
on 25 July 2004 by Foreign Minister of Australia Alexander Downer
Alexander Downer
Alexander John Gosse Downer is a former Australian Liberal Party politician who was Foreign Minister of Australia from March 1996 to December 2007, the longest-serving in Australian history...
and Foreign Minister of New Zealand Phil Goff
Phil Goff
Philip Bruce Goff is the current Leader of the Opposition and the Leader of the New Zealand Labour Party. During the Fifth Labour Government, he served in a number of ministerial portfolios, including Minister of Defence of New Zealand, Minister of Corrections, Minister of Foreign Affairs and...
. It formalised the ocean
Ocean
An ocean is a major body of saline water, and a principal component of the hydrosphere. Approximately 71% of the Earth's surface is covered by ocean, a continuous body of water that is customarily divided into several principal oceans and smaller seas.More than half of this area is over 3,000...
borders
Border
Borders define geographic boundaries of political entities or legal jurisdictions, such as governments, sovereign states, federated states and other subnational entities. Some borders—such as a state's internal administrative borders, or inter-state borders within the Schengen Area—are open and...
that had been de facto recognised by both countries since the early 1980s, when the United Nations Convention on the Law of the Sea
United Nations Convention on the Law of the Sea
The United Nations Convention on the Law of the Sea , also called the Law of the Sea Convention or the Law of the Sea treaty, is the international agreement that resulted from the third United Nations Conference on the Law of the Sea , which took place from 1973 through 1982...
was created.
The treaty defines the boundaries between Australia and New Zealand's exclusive economic zone
Exclusive Economic Zone
Under the law of the sea, an exclusive economic zone is a seazone over which a state has special rights over the exploration and use of marine resources, including production of energy from water and wind. It stretches from the seaward edge of the state's territorial sea out to 200 nautical...
s and continental shelf
Continental shelf
The continental shelf is the extended perimeter of each continent and associated coastal plain. Much of the shelf was exposed during glacial periods, but is now submerged under relatively shallow seas and gulfs, and was similarly submerged during other interglacial periods. The continental margin,...
claims. Specifically, it defines two separate maritime
Ocean
An ocean is a major body of saline water, and a principal component of the hydrosphere. Approximately 71% of the Earth's surface is covered by ocean, a continuous body of water that is customarily divided into several principal oceans and smaller seas.More than half of this area is over 3,000...
boundaries, both of which are approximate median points between Australian and New Zealand territory. The two separate boundaries are not connected.
The first and more northern boundary separates the North Island
North Island
The North Island is one of the two main islands of New Zealand, separated from the much less populous South Island by Cook Strait. The island is in area, making it the world's 14th-largest island...
and Three Kings Islands
Three Kings Islands
The Three Kings Islands or Manawa Islands are a group of 13 islands about northwest of Cape Reinga, the northernmost point of the North Island of New Zealand, where the South Pacific Ocean and Tasman Sea converge. They measure about 4.86 km² in area...
of New Zealand from Australia's Norfolk Island
Norfolk Island
Norfolk Island is a small island in the Pacific Ocean located between Australia, New Zealand and New Caledonia. The island is part of the Commonwealth of Australia, but it enjoys a large degree of self-governance...
and Lord Howe Island
Lord Howe Island
Lord Howe Island is an irregularly crescent-shaped volcanic remnant in the Tasman Sea between Australia and New Zealand, directly east of mainland Port Macquarie, and about from Norfolk Island. The island is about 11 km long and between 2.8 km and 0.6 km wide with an area of...
. The northern boundary is composed of 27 individual straight-line segments defined by 28 separate coordinate points.
The second and more southern boundary defined by the treaty separates Australia's Macquarie Island
Macquarie Island
Macquarie Island lies in the southwest corner of the Pacific Ocean, about half-way between New Zealand and Antarctica, at 54°30S, 158°57E. Politically, it has formed part of the Australian state of Tasmania since 1900 and became a Tasmanian State Reserve in 1978. In 1997 it became a world heritage...
from New Zealand's Auckland Island
Auckland Island
Auckland Island is the main island of the Auckland Islands, an uninhabited archipelago in the south Pacific Ocean belonging to New Zealand. It is inscribed in the together with the other subantarctic New Zealand islands in the region as follows: 877-004 Auckland Isls, New Zealand S50.29 E165.52...
and Campbell Island
Campbell Island, New Zealand
Campbell Island is a remote, subantarctic island of New Zealand and the main island of the Campbell Island group. It covers of the group's , and is surrounded by numerous stacks, rocks and islets like Dent Island, Folly Island , Isle de Jeanette Marie, and Jacquemart Island, the latter being the...
. The southern boundary is composed of nine individual straight-line maritime segments defined by ten separate coordinate points.
The treaty came into effect on 25 January 2006 after it had been ratified
Ratification
Ratification is a principal's approval of an act of its agent where the agent lacked authority to legally bind the principal. The term applies to private contract law, international treaties, and constitutionals in federations such as the United States and Canada.- Private law :In contract law, the...
by both countries. The full name of the treaty is Treaty between the Government of Australia and the Government of New Zealand establishing certain Exclusive Economic Zone and Continental Shelf Boundaries.