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The Tono River ( pt, Ribeira de Tono or , tet, Mota Tono) is the principal river of
Oecusse Oecusse (also variously ''Oecussi'', ''Ocussi'', ''Oekussi'', ''Oekusi'', ''Okusi'', ''Oé-Cusse''), also known as Oecusse-Ambeno (; ) and formerly just Ambeno, officially the Special Administrative Region Oecusse-Ambeno (), is an exclave, mun ...
, an exclave of
East Timor East Timor (), also known as Timor-Leste (), officially the Democratic Republic of Timor-Leste, is an island country in Southeast Asia. It comprises the eastern half of the island of Timor, the exclave of Oecusse on the island's north-weste ...
. The river and its major tributaries flow generally north, through the centre of the exclave, into the
Savu Sea The Savu Sea (or the Sawu Sea) ( id, Laut Sawu, pt, Mar de Savu, tet, Tasi Savu) is a small sea within Indonesia named for the island of Savu (Sawu) on its southern boundary. It is bounded by Savu and Rai Jua to the south, the islands of ...
, reaching the sea near
Lifau Lifau is a village and suco in the East Timor exclave of Oecusse District. The village is located west of the mouth of the Tono River. 1,938 people live in the suco. History Lifau was the first European settlement on the island of Timor. Do ...
. Its
alluvial Alluvium (from Latin ''alluvius'', from ''alluere'' 'to wash against') is loose clay, silt, sand, or gravel that has been deposited by running water in a stream bed, on a floodplain, in an alluvial fan or beach, or in similar settings. Alluv ...
flood plain A floodplain or flood plain or bottomlands is an area of land adjacent to a river which stretches from the banks of its channel to the base of the enclosing valley walls, and which experiences flooding during periods of high discharge.Goudi ...
in
Pante Macassar administrative post Pante Macassar, officially Pante Macassar Administrative Post (, ), is an administrative post (and was formerly a subdistrict) in the Oecusse municipality and Special Administrative Region (SAR) of East Timor. Its seat or administrative cent ...
is the main rice-producing place in Oecusse.


Course

The river is one of East Timor's few
perennial stream A perennial stream is a stream that has continuous flow of surface water throughout the year in at least parts of its catchment during seasons of normal rainfall, Water Supply Paper 494. as opposed to intermittent river, one whose flow is interm ...
s. Its primary
headwaters The headwaters of a river or stream is the farthest place in that river or stream from its estuary or downstream confluence with another river, as measured along the course of the river. It is also known as a river's source. Definition The ...
are in the portion of East Timor's central mountains located within the southern ends of Nitibe and Oesilo administrative posts in Oeucusse. In general, the river's tributaries flow from the headwaters in a northeasterly direction, mostly along the border between Oesilo and
Pante Macassar administrative post Pante Macassar, officially Pante Macassar Administrative Post (, ), is an administrative post (and was formerly a subdistrict) in the Oecusse municipality and Special Administrative Region (SAR) of East Timor. Its seat or administrative cent ...
s, until two of the tributaries (the Ekai and Abanel Rivers, respectively) merge near the northwesternmost point of ''
Suco The administrative posts (former subdistricts) of East Timor are subdivided into 442 ''sucos'' ("villages") and 2,336 ''aldeias'' ("communities").http://www.unmiset.org/legal/RDTL-Law/RDTL-Minist-Orders/Decree-Order-2003-6.pdf List of sucos by ...
'' in Oesilo to form the river itself. From there, the river continues, as the principal river of the Oecusse exclave, in a different, northwesterly, direction, until it discharges into the Savu Sea a short distance southwest of Lifau, Pante Macassar administrative post. Approximately upstream and to the east of the
river mouth A river mouth is where a river flows into a larger body of water, such as another river, a lake/reservoir, a bay/gulf, a sea, or an ocean. At the river mouth, sediments are often deposited due to the slowing of the current reducing the carrying ...
is the Noefefan Bridge over the river. The bridge connects
Citrana Citrana is a small town in the East Timor exclave of Oecusse Special Administrative Region. It is located in the far west of the exclave, close to the mouth of the Noel Besi River, which forms part of the border with Indonesia Indonesia, of ...
,
Passabe Passabe is a small village (sulo) in Passabe Subdistrict, near the Indonesian border. It was the site of a massacre of East Timor East Timor (), also known as Timor-Leste (), officially the Democratic Republic of Timor-Leste, is an i ...
and other isolated regions west of the river to Oecusse's capital,
Pante Macassar Pante Macassar ( pt, Pante Macassar, ) is a city in the Pante Macassar Administrative Post, Pante Macassar administrative post on the north coast of East Timor, to the west of Dili, the nation's capital. It has a population of 4,730 (Stand ...
, providing them with permanent access to markets, the ferry, and airport, even during the
rainy season The rainy season is the time of year when most of a region's average annual rainfall occurs. Rainy Season may also refer to: * ''Rainy Season'' (short story), a 1989 short horror story by Stephen King * "Rainy Season", a 2018 song by Monni * ''T ...
(November to April). The river's main tributaries, in order of entrance, are as follows: * Bitaklele River: rises as its tributaries the Bao, Matin and Upun Rivers, respectively, in ''Suco'' , Nitibe administrative post, where it also has its source convergence; flows generally eastwards, to the
tripoint A tripoint, trijunction, triple point, or tri-border area is a geographical point at which the boundaries of three countries or subnational entities meet. There are 175 international tripoints as of 2020. Nearly half are situated in rivers, l ...
between Nitibe, Oesilo and Pante Macassar administrative posts, where it merges with the Malelai (or Malelui) River (see below) to form the Toko River (see below); * Malelai (or Malelui) River: rises not far from the southern end of the border between Nitibe and Pante Macassar administrative posts; flows generally northwestwards, to the Nitibe / Oesilo / Pante Macassar tripoint, where it merges with Bitaklele River (see above) to form the Toko River (see below); * Toko River: flows from the confluence of the Bitaklele and Malelai (or Malelui) Rivers (see above) generally northwards, along the border between Oesilo and Pante Macassar administrative posts, until it merges with the Bena River (see below) to form the Columu River (see below); * Bena River: rises in ''Suco'' Cunha, Pante Macassar administrative post; flows a short distance southeastwards to the border between Oesilo and Pante Macassar administrative posts, where it merges with the Toko River (see above) to form the Columu River (see below); * Columu River: flows from the confluence of the Toko and Bena Rivers (see above) generally eastwards, along the border between Oesilo and Pante Macassar administrative posts, to the tripoint between ''Sucos'' and , Oesilo administrative post, and ''Suco'' Cunha, Pante Macassar administrative post, where it enters the Ekai River (see below); * Ekai River: rises as the Passabe River and its tributaries in the south of
Passabe administrative post Passabe, officially Passabe Administrative Post (, ), is an administrative post (and was formerly a subdistrict) in the Oecusse municipality and Special Administrative Region (SAR) of East Timor, which is an exclave surrounded on three side ...
, East Timor; flows initially eastwards through
Passabe Passabe is a small village (sulo) in Passabe Subdistrict, near the Indonesian border. It was the site of a massacre of East Timor East Timor (), also known as Timor-Leste (), officially the Democratic Republic of Timor-Leste, is an i ...
and over the international frontier into
North Central Timor Regency North Central Timor Regency ( id, Kabupaten Timor Tengah Utara) is a regency in East Nusa Tenggara Province, Indonesia. It covers an area of 2,669.70 km2, and had a population of 229,803 at the 2010 Census and 259,829 at the 2020 Census; the off ...
, Indonesia; continues northeastwards, and then northwestwards, through North Central Timor Regency; then, as the Ekai River, passes along and over the international frontier, and across ''Sucos'' Bobometo and Usitasae, Oesilo administrative post, East Timor, to the tripoint between ''Sucos'' Bobometo and Usitasae, and ''Suco'' Cunha, Pante Macassar administrative post (which is also the location of the Columu River mouth (see above)); and finally heads northwards, to the tripoint between ''Suco'' Bobometo, Oesilo administrative post, and ''Sucos'' Cunha and , Pante Macassar administrative post, where it merges with the Abanal River (see below) to form the Tono River; * Kinloki River: rises as the Bimilo River near the international frontier between Naimeco, Pante Macassar administrative post, East Timor, and
North Central Timor Regency North Central Timor Regency ( id, Kabupaten Timor Tengah Utara) is a regency in East Nusa Tenggara Province, Indonesia. It covers an area of 2,669.70 km2, and had a population of 229,803 at the 2010 Census and 259,829 at the 2020 Census; the off ...
, Indonesia; flows initially southwestwards along that frontier, and then northwestwards along the border between ''Suco'' Bobometo, Oesilo administrative post, and ''Suco'' Naimeco, to the tripoint between ''Sucos'' Bobometo and Naimeco, and ''Suco'' Cunha, Pante Macassar administrative post, where it enters the Ekai River (see above); * Abanal River: rises as the Bussi River in ''Suco'' Costa, Pante Macassar administrative post, flows generally westwards, mainly as the Abanal River along the border between ''Sucos'' and Naimeco, Pante Macassar, to the tripoint between ''Suco'' Bobometo, Oesilo administrative post, and ''Sucos'' Cunha and Naimeco, Pante Macassar, where it merges with the Ekai River (see above) to form the Tono River.


History

Lifau, a short distance northeast of the Tono River mouth, was the first place on the island of
Timor Timor is an island at the southern end of Maritime Southeast Asia, in the north of the Timor Sea. The island is East Timor–Indonesia border, divided between the sovereign states of East Timor on the eastern part and Indonesia on the western p ...
to be settled by Europeans. Between 1512 and 1515,
Portuguese Portuguese may refer to: * anything of, from, or related to the country and nation of Portugal ** Portuguese cuisine, traditional foods ** Portuguese language, a Romance language *** Portuguese dialects, variants of the Portuguese language ** Portu ...
traders were the first of the Europeans to arrive in the area; they landed near modern Pante Macassar, about to Lifau's east. Only much later was a permanent Portuguese settlement established at Lifau. By the seventeenth century, the Lifau settlement had become the centre of Portuguese activities on Timor, which had extended into the interior of the island. In 1702, Lifau officially became the capital of all Portuguese dependencies in the Lesser Sunda Islands. However, Portuguese control over Lifau's environs, known as Oecusse (which is also the traditional name of Pante Macassar), was tenuous, particularly in the mountainous interior. In 1769, the capital of Portuguese Timor was transferred from Lifau eastwards to
Dili Dili (Portuguese/Tetum: ''Díli'') is the capital, largest city of East Timor and the second largest city in Timor islands after Kupang (Indonesia). It lies on the northern coast of the island of Timor, in a small area of flat land hemmed in ...
, due to frequent attacks from the local Eurasian
Topass Topass (Topass, Topass Seaman or Topas) was a term used by the British Merchant Navy for the man who acted as an interpreter for a group or gang of Lascars or South Asian seamen on British vessels since at least the mid nineteenth century. Usual ...
group. Most of
West Timor West Timor ( id, Timor Barat) is an area covering the western part of the island of Timor, except for the district of Oecussi-Ambeno (an East Timorese exclave). Administratively, West Timor is part of East Nusa Tenggara Province, Indonesia. The ca ...
was left to
Dutch Dutch commonly refers to: * Something of, from, or related to the Netherlands * Dutch people () * Dutch language () Dutch may also refer to: Places * Dutch, West Virginia, a community in the United States * Pennsylvania Dutch Country People E ...
forces, who were conquering what is today
Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania between the Indian and Pacific oceans. It consists of over 17,000 islands, including Sumatra, Java, Sulawesi, and parts of Borneo and New Guine ...
. In the 1780s, a reconciliation took place between the governor in Dili and the Topasses of Oecusse, who henceforth usually supported the Portuguese government. In 1859, under the
Treaty of Lisbon The Treaty of Lisbon (initially known as the Reform Treaty) is an international agreement that amends the two treaties which form the constitutional basis of the European Union (EU). The Treaty of Lisbon, which was signed by the EU member sta ...
, Portugal and the Netherlands divided the island between them. For the most part,
West Timor West Timor ( id, Timor Barat) is an area covering the western part of the island of Timor, except for the district of Oecussi-Ambeno (an East Timorese exclave). Administratively, West Timor is part of East Nusa Tenggara Province, Indonesia. The ca ...
became Dutch, with its colonial seat at
Kupang Kupang ( id, Kota Kupang, ), formerly known as Koepang, is the capital of the Indonesian province of East Nusa Tenggara. At the 2020 C ensus, it had a population of 442,758; the official estimate as at mid 2021 was 455,850. It is the largest ci ...
.
East Timor East Timor (), also known as Timor-Leste (), officially the Democratic Republic of Timor-Leste, is an island country in Southeast Asia. It comprises the eastern half of the island of Timor, the exclave of Oecusse on the island's north-weste ...
became Portuguese, with its seat in
Dili Dili (Portuguese/Tetum: ''Díli'') is the capital, largest city of East Timor and the second largest city in Timor islands after Kupang (Indonesia). It lies on the northern coast of the island of Timor, in a small area of flat land hemmed in ...
. Oecusse was confirmed as a Portuguese exclave, with the Savu Sea to its north west, but otherwise surrounded by Dutch territory. As is the case throughout the
Indonesian archipelago The islands of Indonesia, also known as the Indonesian Archipelago ( id, Kepulauan Indonesia) or Nusantara, may refer either to the islands comprising the country of Indonesia or to the geographical groups which include its islands. History ...
, human settlement in Oecusse, including in the Tono River
catchment A drainage basin is an area of land where all flowing surface water converges to a single point, such as a river mouth, or flows into another body of water, such as a lake or ocean. A basin is separated from adjacent basins by a perimeter, the ...
or drainage basin, has traditionally been concentrated in the mountainous interior, rather than near the coast. There are many likely reasons for this tradition: for example, altitude offers relief from coastal heat and much lower rates of malaria infection, and high ground is easier to defend against invaders. In Oecusse, areas of higher altitude also benefit from substantially greater rainfall over a rainy season that can be two months longer than along the coast, and groundwater reserves are more plentiful. Additionally, the channelling of water for small-scale cultivation is relatively simple in mountainous landscapes. Many Oecusse communities were among the last in Timor to have contact with foreigners, as Portuguese colonialism after 1769 was focused on the eastern half of the island. Some mountain villages in Oecusse were not reached by Portuguese missionaries until as recently as the 1950s. However, Oecusse still identifies strongly with the former Portuguese Timor, even though the effect of the Portuguese on the culture of the exclave was shallow. In 1975, Indonesia, which had become independent in 1949, began an invasion of Portuguese Timor, including Oecusse. The Indonesians then proceeded to occupy the former colony. During the occupation, Indonesia maintained Oecusse's administrative links to the rest of the former Portuguese Timor, but some of the residents of Oecusse's mountains were forcibly relocated to the low-lying alluvial flood plains along the Tono River, ostensibly to maximise use of cultivable land, but also to facilitate government control over the community. In 1999, the East Timorese voted for independence from Indonesia. Before leaving, the Indonesian military and its allies inflicted a
scorched earth A scorched-earth policy is a military strategy that aims to destroy anything that might be useful to the enemy. Any assets that could be used by the enemy may be targeted, which usually includes obvious weapons, transport vehicles, communi ...
policy over the whole of the occupied territory, and especially in Oecusse. Since then, some of the forcibly relocated members of Oecusse's community have returned to the mountains. Of those who have stayed in the lowlands, many still consider the mountains to be the centre of their family, social and ritual activities. When East Timor became independent in 2002, the new
Constitution of East Timor The Constitution of East Timor entered into force on 20 May 2002, and was the country's first constitution after it gained independence from Portugal in 1975 and from Indonesia, which invaded East Timor on 7 December 1975 and left in 1999 followi ...
expressly provided, in recognition of Oecusse's very longstanding particular disadvantages, that the exclave would "...enjoy special administrative and economic treatment..." and "...be governed by a special administrative policy and economic regime". In 2013, the government of East Timor appointed former
prime minister A prime minister, premier or chief of cabinet is the head of the cabinet and the leader of the ministers in the executive branch of government, often in a parliamentary or semi-presidential system. Under those systems, a prime minister is not ...
Mari Alkatiri Mari bin Amude Alkatiri, GCIH ( ar, مرعي بن عمودة الكثيري '; born 26 November 1949) is a Timorese politician. He was Prime Minister of East Timor from May 2002 until his resignation on 26 June 2006 following weeks of politica ...
to oversee the development of a special economic zone in Oecusse. The following year, the
National Parliament of East Timor The National Parliament ( tet, Parlamentu Nasionál, pt, Parlamento Nacional) is the unicameral national legislature in East Timor. It was created in 2001 as the Constituent Assembly while the country was still administered by the United N ...
took a further step towards complying with the government's constitutional obligations towards Oecusse, by enacting a law for the creation of an Authority of the Oecusse Special Administrative Region ( pt, Autoridade da Região Administrativa Especial Oé-Cusse, links=no – ARAEO), and for the designation of Oecusse as a Special Zone of Social Market Economy ( pt, Zona Especial de Economia Social de Mercado, links=no – ZEESM). On 23 and 24 January 2015, the central government formally handed over some of its powers to the ARAEO and the ZEESM. Soon after his appointment as the overseer of the special economic zone, Alkatiri started publicising a fully formed plan for Oecusse's development. The plan comprised a substantial number of proposed buildings and capital investments, including a bridge over the Tono River on the coastal road between Pante Macassar and
Citrana Citrana is a small town in the East Timor exclave of Oecusse Special Administrative Region. It is located in the far west of the exclave, close to the mouth of the Noel Besi River, which forms part of the border with Indonesia Indonesia, of ...
. Construction of the bridge, since named the Noefefan Bridge, began in April 2015. The bridge was formally inaugurated in June 2017. Meanwhile, in May 2016, a report published by the
World Bank The World Bank is an international financial institution that provides loans and grants to the governments of low- and middle-income countries for the purpose of pursuing capital projects. The World Bank is the collective name for the Interna ...
proposed a detailed Oecusse Agricultural Development Plan (OADP), costed at million over a ten year implementation period, to promote growth in agriculture and forestry in the exclave. By September 2017, the government had spent approximately million of that total amount, on rehabilitating and upgrading the Tono irrigation scheme, in particular by building a dam to provide more water, more reliably. The OADP also included provision for a increase in the size of the area irrigated by the scheme, even though the report's authors considered that an increase would be uneconomic; the authors also felt that it was logical to focus on domestic production of import replacements of rice, and maize. (See also )


Catchment

The catchment of the Tono River is one of the 10 major catchments in the country. Sources vary as to its size. According to one source, the portion located within East Timor is in area, and 20% of the catchment (ie another ) is situated in Indonesia. Another source quantifies the East Timorese portion as being about in area. East Timor has been broadly divided into twelve '
hydrologic unit A hydrological code or hydrologic unit code is a sequence of numbers or letters (a ''geocode'') that identify a hydrological unit or feature, such as a river, river reach, lake, or area like a drainage basin (also called watershed in North Americ ...
s', groupings of climatologically and physiographically similar and adjacent river catchments. The Tono River catchment is one of the two major catchments in the Lifau & Tono Besi hydrologic unit, which is about in total area; the other one is the
Noel Besi River The Noel Besi River is a river flowing in the west part of Timor island and forms part of the border between the East Timor exclave of Oecussi and Indonesian West Timor. It flows north into the Sawu Sea. Located 1900 km east of the Indone ...
catchment.


Economy


Agriculture

The vast majority of the residents of Oecusse, including the catchment, have always relied on agriculture as their means of support. As of 2016, 78% of the exclave's population was engaged in agriculture. Subsistence farming is overwhelmingly the leading form of agriculture, and the bartering of goods is very common in its traditional markets. Many of the exclave's families are only marginally integrated into the cash economy; such integration has also lessened since 2002, because of a reduction in the spending power of civil servants, and the erection of border restrictions on imports into West Timor. The cultivation of
maize Maize ( ; ''Zea mays'' subsp. ''mays'', from es, maíz after tnq, mahiz), also known as corn (North American and Australian English), is a cereal grain first domesticated by indigenous peoples in southern Mexico about 10,000 years ago. Th ...
is the dominant form of agriculture in the upper part of the catchment. The alluvial flood plains of the river in Pante Macassar administrative post, of which about are irrigated by the Tono irrigation scheme, make up Oecusse's 'rice belt', and are also the exclave's most productive agricultural area. The majority of Oecusse's farmers plant small quantities of a wide range of crops at different times to guard against the possibility of total crop failure. In general, inheritance of land and property in the exclave is
patrilineal Patrilineality, also known as the male line, the spear side or agnatic kinship, is a common kinship system in which an individual's family membership derives from and is recorded through their father's lineage. It generally involves the inheritanc ...
, but in the lowlands, female ownership of irrigated rice fields is common and men will move into their wives' homes upon marriage. Agricultural or agro-forestry activity in the catchment is made difficult by its dry climate, poor soils and challenging topography, which is generally mountainous with little flat land for large-scale cultivation. The catchment has a long dry season, during which livestock food becomes scarce. The mostly steep topography not only limits arable land, but also causes run-off from heavy rains to remove much of the topsoil. The local people practise rotational cropping to counter the poor soils. However, rotational cropping requires constant clearing of new land, which leads to further environmental degradation, and the use of fertilizers as an alternative to rotational cropping is generally uncommon. The catchment has also been degraded for centuries by commercial logging of various species, and especially of sandalwood. Oecusse’s sandalwood reserves, unlike those in the rest of Timor, were still substantial in 1975, but were then rapidly depleted, largely by more intrusive, and often corrupt, Indonesian logging practices. In the 2000s, the cutting of several protected tree species in Oecusse was prohibited to combat deforestation, and the allocation of private land to the planting of trees was recommended. Residents of Oecusse also commonly raise cattle, chickens, pigs, goats and buffalo. They prefer to use livestock as a store of wealth that can be used, eg, to pay a
bride price Bride price, bride-dowry (Mahr in Islam), bride-wealth, or bride token, is money, property, or other form of wealth paid by a groom or his family to the woman or the family of the woman he will be married to or is just about to marry. Bride dow ...
or as insurance against food shortages, and rarely slaughter cattle for their own consumption. After Oecusse's sandalwood industry closed down, cattle became the only significant exports from the exclave. Since 2002, however, difficulties in marketing cattle in Dili, and the effective closure of the borders to West Timor, have presented very substantial obstacles to the export of livestock.


Fishing

Very little fishing takes place either in or near the catchment, or in Oecusse generally. The people of Oecusse observe the tradition of ''pemali'', which is the prohibition of the eating of certain foods by certain clan groups, and one of the most commonly prohibited foods is seafood. For that reason, there is little incentive to develop seafood markets in Oecusse, and also little historical knowledge that would assist with the easy capture and marketing of fish from the catchment.


Town water supply

The most reliable source of water for the water supply network in Pante Macassar is the Tono Bore, a deep well situated on the bed of the river near the town's south western corner. The bore was completed in 2003, and initially could be operated on only a limited basis, due to a lack of funding to buy fuel.


See also

*
List of rivers of East Timor This is a list of rivers in East Timor. The list is arranged by drainage basin, catchment or drainage basin from west to east, with respective tributaries indented under each larger stream's name. Overview East Timor has over 100 rivers origin ...


References


Further reading

* Wheeler, T. (2004) ''East Timor.'' Footscray, VIC; Lonely Planet.


External links

{{authority control Rivers of East Timor Oecusse