Whaling in Madagascar

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Whaling in Madagascar is currently banned on a commercial level in compliance with sanctuary regulations. Despite erratic weather conditions, there is a history of overhunting sperm whales, humpback whales, and Bryde's whales within the surrounding waters of Madagascar. In an attempt to allow native populations to recuperate from these operations, the region about Madagascar was included within the Indian Ocean Whale Sanctuary by the International Whaling Commission.

Contents


History

Two major currents influence the migration patterns of humpback whales on the coasts of Madagascar. The south branch of the South Equatorial Current meets at the south of Madagascar and travels up the western coast, forming the East Madagascar Current. Similarly, the Madagascar Ridge migratory route travels through currents traveling north along the east coast. [1] Studies of humpback mating behavior have conjectured that Antongil Bay, on the northeast of the island, may be a wintering and mating site. [2] This may explain why American and British whaling records show records of whale hunting as early as the 1830s in the Indian Ocean, concentrated at Antongil Bay. [3] This was predated by native traditional whaling; the artist Theodor De Bry depicted Madagascans whaling as early as 1598. [4]

Whaling in Madagascar began on an industrial level as a northward expansion of the sperm whaling trade off the Cape of Good Hope around 1800. [5] Christian Salvesen & Company of Leith, which held more whaling shares than any other single firm, operated briefly off Madagascar. After dispatching the factory ship Horatio, yields were so low that Salvesen totaled deficits from 1911 to 1913. Adding insult to injury, while docked at Leith Harbour, the Horatio caught fire, with 11,000 barrels of oils on board. [6]

France was criticized for its actions at the 1949 meeting of the International Whaling Commission when they continued the use of floating factories in French territorial waters off of Madagascar, despite rules prohibiting floating factories north of 40° South. France's decision to continue using the floating factory Jarama is credited with the depletion of humpback whale populations surrounding Madagascar. [6]

Climate and currents

The Agulhas Current Benguela and Agulhas Currents 2.jpg
The Agulhas Current

In South Africa, weather patterns are inconsistent. People who live in Madagascar have learned to deal with these conditions. The Agulhas Current is a root cause of these sporadic conditions. Along the South African coast, near Madagascar, the oceanic current, when mixed with a cold front, can cause freak waves that can destroy ships. [7] This current is the largest current to follow adjacent to a continent for that distance. Being on the border of the Indian Ocean gyre, the intense ranges of water temperatures can result in major storms. Tropical storms that have turned into recorded cyclones, have caused billions of dollars worth of damages. Each cyclone originally forming from the north-eastern coast of the African continent, and slowly accumulating down the coast, where its energy accumulates the most. The storms that result from combining warm and cold temperatures have a huge affect in the northern region of the Agulhas Current. [8] As it goes down the continent of Africa, the atmosphere becomes warmer, and the weather mellows out into a steady rainfall, giving South Africa and West Madagascar humidity and storms. Another factor contributing to weather conditions in the South African- Madagascar region is the contribution of the South Equatorial Madagascar Current. This particular current travels westward from the Indian Ocean, hitting the east coast of Madagascar. This can be a challenge for ships traveling on the east coast of Madagascar because instead of being able to follow the oceans strong general current, they would have to fight it, no matter which way they were traveling. As the SEMC continues South Equatorial Madagascar Current hits Madagascar, the current changes position southward, where it meets up with the stronger Agulhas current, creating conflicting currents that can be a huge hassle for anyone trying to navigate those waters. [9]

Map of Madagascar Madagascar physical map.svg
Map of Madagascar

Data collection

To gain better research and knowledge about these climate changes, buoys are cast out to sea where they are located by satellite. The satellite pics up these frequencies sent out by the buoys drifting in the ocean off the continental coast, producing much needed data to increase predictability. Original technology of the buoy can date back thirty years, but with advancements in technology, the data collected nowadays do not just focus on the oceanic currents. Information gathered can reflect the wind patterns, temperatures, and certain densities of the ocean in specific areas, as all these factors are constantly fluctuating. These buoys are located all over the world, oceans and great lakes. The data collected goes to the National Data Buoy Center, where experts record and analyze the feedback. With relation to wave currents, the buoys use accelerometers that can identify the directional vector of the waves. They also record the special distance between the trough and crest of each wave. This information that is constantly used by sailors, can be life saving and result in a more efficient trip across the sea. [10]

2008 Mass stranding

A mass stranding of around one hundred Melon-Headed whales (Peponocephala Electra) occurred in the Loza Lagoon system of Northwest Madagascar during the months of May and June in 2008. Of the original whales that entered the lagoon system, seventy five died from causes related to being out of their normal deep sea habitat. At the time of the event many marine experts, conservation organizations, and other groups surveyed the area to collect data on this event. The International Whaling Agency (IWC) and other federal agencies with the permission of the Madagascar Government launched an investigation into the cause of this mass stranding. The IWC concluded that the most plausible trigger for the event was a high power 12 kHz multi-beam echosounder system (MBES) that has been firing along a shelf break a day before the event. [11]

Indian Ocean Whale Sanctuary

Indian Ocean Whale Sanctuary Indian-Ocean-Whale-Sanctuary-map.jpg
Indian Ocean Whale Sanctuary

Madagascar lies entirely in the Indian Ocean Whale Sanctuary, a whale sanctuary that covers the Indian Ocean south to 55º S. The sanctuary prohibits commercial whaling and aims to facilitate the recovery of whale populations, allow whales to do their jobs within the ecosystem, and foster public awareness. This sanctuary's conservation efforts are uniquely important for several reasons. The sanctuary allows for the Sperm whale and the Oman Humpback whale to recover their population which has been diminished by illegal soviet whaling operations in the 70's. The sanctuary also allows the population recovery of the Bryde's whale from Japanese whaling operations which still continue to this day as Japan does not respect the sanctuary and continues its operations claiming that their operations are purely scientific. Approximately 600 whales are killed each year by Japanese scientific whaling operations. [12]

The sanctuary was established in 1979 and has been renewed for ten year periods in 1992 and 2002. In 2001 during the Nairobi convention the United Nations Environmental Programme (UNEP) pledged their support of the sanctuary, stating the convention “Reaffirmed the need to maintain the status of the Indian Ocean as a sanctuary for the protection of endangered marine mammals of the convention region.” [13]

Related Research Articles

<span class="mw-page-title-main">Whaling</span> Hunting of whales

Whaling is the hunting of whales for their usable products such as meat and blubber, which can be turned into a type of oil that was important in the Industrial Revolution. Whaling was practiced as an organized industry as early as 875 AD. By the 16th century, it had become the principal industry in the Basque coastal regions of Spain and France. The whaling industry spread throughout the world and became very profitable in terms of trade and resources. Some regions of the world's oceans, along the animals' migration routes, had a particularly dense whale population and became targets for large concentrations of whaling ships, and the industry continued to grow well into the 20th century. The depletion of some whale species to near extinction led to the banning of whaling in many countries by 1969 and to an international cessation of whaling as an industry in the late 1980s.

The International Whaling Commission (IWC) is a specialised regional fishery management organisation, established under the terms of the 1946 International Convention for the Regulation of Whaling (ICRW) to "provide for the proper conservation of whale stocks and thus make possible the orderly development of the whaling industry".

<span class="mw-page-title-main">Bryde's whale</span> Species of mammal

Bryde's whale, or the Bryde's whale complex, putatively comprises three species of rorqual and maybe four. The "complex" means the number and classification remains unclear because of a lack of definitive information and research. The common Bryde's whale is a larger form that occurs worldwide in warm temperate and tropical waters, and the Sittang or Eden's whale is a smaller form that may be restricted to the Indo-Pacific. Also, a smaller, coastal form of B. brydei is found off southern Africa, and perhaps another form in the Indo-Pacific differs in skull morphology, tentatively referred to as the Indo-Pacific Bryde's whale. The recently described Omura's whale, was formerly thought to be a pygmy form of Bryde's, but is now recognized as a distinct species. Rice's whale, which makes its home solely in the Gulf of Mexico, was once considered a distinct population of Bryde's whale, but in 2021 it was described as a separate species.

<span class="mw-page-title-main">Humpback whale</span> Large baleen whale species

The humpback whale is a species of baleen whale. It is a rorqual and is the only species in the genus Megaptera. Adults range in length from 14–17 m (46–56 ft) and weigh up to 40 metric tons. The humpback has a distinctive body shape, with long pectoral fins and tubercles on its head. It is known for breaching and other distinctive surface behaviors, making it popular with whale watchers. Males produce a complex song typically lasting 4 to 33 minutes.

<span class="mw-page-title-main">Whale watching</span> Viewing cetaceans in their habitats

Whale watching is the practice of observing whales and dolphins (cetaceans) in their natural habitat. Whale watching is mostly a recreational activity, but it can also serve scientific and/or educational purposes. A study prepared for International Fund for Animal Welfare in 2009 estimated that 13 million people went whale watching globally in 2008. Whale watching generates $2.1 billion per annum in tourism revenue worldwide, employing around 13,000 workers. The size and rapid growth of the industry has led to complex and continuing debates with the whaling industry about the best use of whales as a natural resource.

<span class="mw-page-title-main">Southern right whale</span> Species of whale

The southern right whale is a baleen whale, one of three species classified as right whales belonging to the genus Eubalaena. Southern right whales inhabit oceans south of the Equator, between the latitudes of 20° and 60° south. In 2009 the global population was estimated to be approximately 13,600.

<span class="mw-page-title-main">Sei whale</span> Large species of baleen whale

The sei whale is a baleen whale. It is one of ten rorqual species, and the third-largest member after the blue and fin whales. They can grow up to 19.5 m (64 ft) in length and weigh as much as 28 t. Two subspecies are recognized: B. b. borealis and B. b. schlegelii. The whale's ventral surface has sporadic markings ranging from light grey to white, and its body is usually dark steel grey in color. It is among the fastest of all cetaceans, and can reach speeds of up to 50 km/h (31 mph) over short distances. 

<span class="mw-page-title-main">Melon-headed whale</span> Species of mammal

The melon-headed whale, also known less commonly as the electra dolphin, little killer whale, or many-toothed blackfish, is a toothed whale of the oceanic dolphin family (Delphinidae). The common name is derived from the head shape. Melon-headed whales are widely distributed throughout deep tropical and subtropical waters worldwide, but they are rarely encountered at sea. They are found near shore mostly around oceanic islands, such as Hawaii, French Polynesia, and the Philippines.

<span class="mw-page-title-main">Institute of Cetacean Research</span> Controversial Japanese whaling body that purports to be focused on research

The Institute of Cetacean Research is a research organization specializing in the "biological and social sciences related to whales".

<span class="mw-page-title-main">Plettenberg Bay</span> Place in Western Cape, South Africa

Plettenberg Bay, nicknamed Plet or Plett, is the primary town of the Bitou Local Municipality in the Western Cape Province of South Africa. As of the census of 2001, there were 29,149 population. It was originally named Bahia Formosa by early Portuguese explorers and lies on South Africa's Garden Route 210 km from Port Elizabeth and about 600 km from Cape Town.

<span class="mw-page-title-main">Aboriginal whaling</span> Hunting of whales by indigenous people

Aboriginal whaling or indigenous whaling is the hunting of whales by indigenous peoples recognised by either IWC or the hunting is considered as part of indigenous activity by the country. It is permitted under international regulation, but in some countries remains a contentious issue. It is usually considered part of the subsistence economy. In some places, whaling has been superseded by whale watching instead. This article deals with communities that continue to hunt; details about communities that have ended the practice may be found in History of whaling.

<span class="mw-page-title-main">Whaling in Japan</span> Commercial hunting of whales by the Japanese fishing industry

Japanese whaling, in terms of active hunting of whales, is estimated by the Japan Whaling Association to have begun around the 12th century. However, Japanese whaling on an industrial scale began around the 1890s when Japan started to participate in the modern whaling industry, at that time an industry in which many countries participated. Japan resumed commercial whaling in July 2019, and since then whaling activities have been confined to its territorial waters and exclusive economic zone.

<span class="mw-page-title-main">History of whaling</span> History of whale hunting and the trade of whale-derived commodities

This article discusses the history of whaling from prehistoric times up to the commencement of the International Whaling Commission (IWC) moratorium on commercial whaling in 1986. Whaling has been an important subsistence and economic activity in multiple regions throughout human history. Commercial whaling dramatically reduced in importance during the 19th century due to the development of alternatives to whale oil for lighting, and the collapse in whale populations. Nevertheless, some nations continue to hunt whales even today.

The Madagascar current is an oceanic current in the west Indian Ocean.

The Southern Ocean Whale Sanctuary is an area of 50 million square kilometres surrounding the continent of Antarctica where the International Whaling Commission (IWC) has banned all types of commercial whaling. To date, the IWC has designated two such sanctuaries, the other being the Indian Ocean Whale Sanctuary.

<span class="mw-page-title-main">Indian Ocean Whale Sanctuary</span>

The Indian Ocean Whale Sanctuary is an area in the Indian Ocean where the International Whaling Commission (IWC) has banned all types of commercial whaling. The IWC has at present designated two such sanctuaries, the other being the Southern Ocean Whale Sanctuary. Repeated proposals at the IWC for a South Atlantic Sanctuary and a South Pacific Sanctuary have never reached the 75% majority needed to pass.

<span class="mw-page-title-main">Marine conservation activism</span> Non-governmental efforts to bring about change in marine conservation

Marine conservation activism is the efforts of non-governmental organizations and individuals to bring about social and political change in the area of marine conservation. Marine conservation is properly conceived as a set of management strategies for the protection and preservation of ecosystems in oceans and seas. Activists raise public awareness and support for conservation, while pushing governments and corporations to practice sound ocean management, create conservation policy, and enforce existing laws and policy through effective regulation. There are many different kinds of organizations and agencies that work toward these common goals. They all are a part of the growing movement that is ocean conservation. These organizations fight for many causes including stopping pollution, overfishing, whaling and by-catching, and supporting marine protected areas.

<span class="mw-page-title-main">Anti-whaling</span>

Anti-whaling refers to actions taken by those who seek to end whaling in various forms, whether locally or globally in the pursuit of marine conservation. Such activism is often a response to specific conflicts with pro-whaling countries and organizations that practice commercial whaling and/or research whaling, as well as with indigenous groups engaged in subsistence whaling. Some anti-whaling factions have received criticism and legal action for extreme methods including violent direct action. The term anti-whaling may also be used to describe beliefs and activities related to these actions.

<span class="mw-page-title-main">Whaling in the United Kingdom</span> Industry

Commercial whaling in Britain began late in the 16th century and continued after the 1801 formation of the United Kingdom and intermittently until the middle of the 20th century.

<span class="mw-page-title-main">Whaling in the Soviet Union and Russia</span>

Russian whaling has been conducted by native peoples in the Chukotka region of Russia since at least 4,000 years ago by native Yupik and Chukchi people, but commercial whaling did not begin until the mid-19th century, when companies based in Finland sent out vessels to the Pacific. It was not until 1932 that modern pelagic whaling began to take off with the purchase of an American cargo ship which was renamed the Aleut, which was the only Soviet factory ship until World War II. After the war, with the need for a stronger Soviet economy and rapid industrialization of the country during the 1940s and 1950s, Soviet whaling took off and became a truly global industry. The first Soviet whalers reached the Antarctic during the 1946–47 season with the factory ship Slava and then underwent a rapid expansion during the late 1950s in which 5 new fleets were added within a 4-year span: Sovetskaya Ukraina in 1959, Yuriy Dolgorukiy in 1960, and Sovetskaya Rossiya in 1961 for the Antarctic, and finally two large fleets in 1963 for the North Pacific. Thus, by the early 1960s Soviet whaling had truly become a global industry, operating in every ocean except the North Atlantic and undertaking voyages that could last as long as seven months each. From 1964 to 1973, the Soviet Union was considered by some the biggest whaling nation in the world.

References

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