Brunei Bay ( ms, Teluk Brunei) is on the northwestern coast of

Borneo Borneo (; id, Kalimantan) is the List of islands by area, third-largest island in the world and the largest in Asia. At the geographic centre of Maritime Southeast Asia, in relation to major Indonesian islands, it is located north of Java Isl ...

island, in

Brunei Brunei ( , ), formally Brunei Darussalam ( ms, Negara Brunei Darussalam, Jawi alphabet, Jawi: , ), is a country located on the north coast of the island of Borneo in Southeast Asia. Apart from its South China Sea coast, it is completely sur ...

and

Malaysia Malaysia ( ; ) is a country in Southeast Asia. The federation, federal constitutional monarchy consists of States and federal territories of Malaysia, thirteen states and three federal territories, separated by the South China Sea into two r ...

. Brunei Bay is located 5°00'43.44", 115°17'26.66"; east of

Bandar Seri Begawan Bandar Seri Begawan (BSB; Jawi: بندر سري بڬاوان; ) is the capital city of Brunei. It is officially a municipal area () with an area of and an estimated population of 100,700 as of 2007. It is part of Brunei-Muara District, the ...

, Brunei. It is the ocean gateway to the isolated Temburong District of Brunei, separated from the rest of Brunei by the Malaysian Sarawak State surrounding it to the bay. A roadway connecting the Muara and Temburong districts of Brunei, completed in 2018, crosses over the Brunei bay. The section going across the Brunei bay measures in at .

Environment

Brunei Bay contains some 8,000 ha of tidal

mudflat Mudflats or mud flats, also known as tidal flats or, in Ireland, slob or slobs, are coastal wetlands that form in intertidal areas where sediments have been deposited by tides or rivers. A global analysis published in 2019 suggested that tidal f ...

s and sandflats,

seagrass Seagrasses are the only flowering plants which grow in marine environments. There are about 60 species of fully marine seagrasses which belong to four families ( Posidoniaceae, Zosteraceae, Hydrocharitaceae and Cymodoceaceae), all in the ...

beds,

coral reef A coral reef is an underwater ecosystem characterized by reef-building corals. Reefs are formed of colonies of coral polyps held together by calcium carbonate. Most coral reefs are built from stony corals, whose polyps cluster in groups. C ...

mangrove A mangrove is a shrub or tree that grows in coastal saline or brackish water. The term is also used for tropical coastal vegetation consisting of such species. Mangroves are taxonomically diverse, as a result of convergent evolution in several ...

s, beach forest and

sandstone Sandstone is a clastic sedimentary rock composed mainly of sand-sized (0.0625 to 2 mm) silicate grains. Sandstones comprise about 20–25% of all sedimentary rocks. Most sandstone is composed of quartz or feldspar (both silicates ...

islets. These have been identified by

BirdLife International BirdLife International is a global partnership of non-governmental organizations that strives to conserve birds and their habitats. BirdLife International's priorities include preventing extinction of bird species, identifying and safeguarding ...

as an

Important Bird Area An Important Bird and Biodiversity Area (IBA) is an area identified using an internationally agreed set of criteria as being globally important for the conservation of bird populations. IBA was developed and sites are identified by BirdLife Int ...

(IBA) because it supports significant numbers of the populations of various bird species, including Bonaparte's nightjars, lesser adjutants,

Storm's stork Storm's stork (''Ciconia stormi'') is a medium-sized stork species that occurs primarily in lowland tropical forests of Indonesia, Malaysia and southern Thailand. It is considered to be the rarest of all storks,Hancock JA, Kuschlan JA, Kahl, MP. ...

s, Chinese egrets, greater sandplovers, spotted greenshanks and

roseate tern The roseate tern (''Sterna dougallii'') is a species of tern in the family Laridae. The genus name ''Sterna'' is derived from Old English "stearn", "tern", and the specific ''dougallii'' refers to Scottish physician and collector Dr Peter McDo ...

s. Threats include inshore

trawling Trawling is a method of fishing that involves pulling a fishing net through the water behind one or more boats. The net used for trawling is called a trawl. This principle requires netting bags which are towed through water to catch different spec ...

waterbird A water bird, alternatively waterbird or aquatic bird, is a bird that lives on or around water. In some definitions, the term ''water bird'' is especially applied to birds in freshwater ecosystems, although others make no distinction from seab ...

hunting, and

habitat fragmentation Habitat fragmentation describes the emergence of discontinuities (fragmentation) in an organism's preferred environment (habitat), causing population fragmentation and ecosystem decay. Causes of habitat fragmentation include geological proces ...

through mangrove clearance.

References

Other sources

* Caldecott (1987); Currie (1979a, 1979b, 1980 & 1982); Farmer (1986); Farmer et al. (1986); Howes & Sahat (in prep); Karpowicz (1985); Lindley (1982); Sahat (1987); Teng (1970 & 1971); UGL Consultants Ltd (1983). * John R. Howes, Mohammad Jaya bin Haji Sahat and Euan G. Ross. Bays of Brunei Bays of Malaysia Landforms of Sarawak Temburong District Brunei–Malaysia border Important Bird Areas of Brunei {{coord, 5, 05, N, 115, 18, E, region:BN_type:waterbody, display=title