East Asian–Australasian Flyway
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The East Asian–Australasian Flyway is one of the world's great
flyway A flyway is a flight path used by large numbers of birds while migrating between their breeding grounds and their overwintering quarters. Flyways generally span continents and often pass over oceans. Although applying to any species of migrati ...
s. At its northernmost it stretches eastwards from the
Taimyr Peninsula The Taymyr Peninsula (russian: Таймырский полуостров, Taymyrsky poluostrov) is a peninsula in the Far North of Russia, in the Siberian Federal District, that forms the northernmost part of the mainland of Eurasia. Administrati ...
in
Russia Russia (, , ), or the Russian Federation, is a List of transcontinental countries, transcontinental country spanning Eastern Europe and North Asia, Northern Asia. It is the List of countries and dependencies by area, largest country in the ...
to
Alaska Alaska ( ; russian: Аляска, Alyaska; ale, Alax̂sxax̂; ; ems, Alas'kaaq; Yup'ik: ''Alaskaq''; tli, Anáaski) is a state located in the Western United States on the northwest extremity of North America. A semi-exclave of the U.S., ...
. Its southern end encompasses
Australia Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...
and
New Zealand New Zealand ( mi, Aotearoa ) is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and over 700 smaller islands. It is the sixth-largest island count ...
. Between these extremes the Flyway covers much of eastern Asia, including
China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...
,
Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...
,
Korea Korea ( ko, 한국, or , ) is a peninsular region in East Asia. Since 1945, it has been divided at or near the 38th parallel, with North Korea (Democratic People's Republic of Korea) comprising its northern half and South Korea (Republic o ...
,
South-East Asia Southeast Asia, also spelled South East Asia and South-East Asia, and also known as Southeastern Asia, South-eastern Asia or SEA, is the geographical south-eastern region of Asia, consisting of the regions that are situated south of mainland ...
and the western
Pacific The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...
. The EAAF is home to over 50 million migratory
water birds 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 seabi ...
from over 250 different populations, including 32 globally
threatened species Threatened species are any species (including animals, plants and fungi) which are vulnerable to endangerment in the near future. Species that are threatened are sometimes characterised by the population dynamics measure of ''critical depensa ...
and 19 near threatened species. It is especially important for the millions of migratory waders or shorebirds that breed in northern Asia and Alaska and spend the non-breeding season in South-East Asia and
Australasia Australasia is a region that comprises Australia, New Zealand and some neighbouring islands in the Pacific Ocean. The term is used in a number of different contexts, including geopolitically, physiogeographically, philologically, and ecologica ...
.


Flyway Site Network

During migration, water birds rely on a system of highly productive
wetlands A wetland is a distinct ecosystem that is flooded or saturated by water, either permanently (for years or decades) or seasonally (for weeks or months). Flooding results in oxygen-free (anoxic) processes prevailing, especially in the soils. The ...
to rest and feed, building up sufficient energy to fuel the next phase of their journey. International cooperation across their migratory range is therefore essential to conserve and protect migratory water birds and the habitats on which they depend. East Asian-Australasian Flyway Partnership (EAAFP) identified 1060 sites as internationally important for migratory birds. These sites are called the Flyway Site Network. The sites are expected to collaborate with the local community to preserve the wetland by raising awareness regarding the importance of the site, carefully documenting the number of migratory bird populations, and strictly monitoring the vegetation condition within the site.


Threats faced by migratory birds in EAAF


Habitat loss and degradation

The
degradation Degradation may refer to: Science * Degradation (geology), lowering of a fluvial surface by erosion * Degradation (telecommunications), of an electronic signal * Biodegradation of organic substances by living organisms * Environmental degradatio ...
of forests in South-East Asia is prominent due to large-scale logging, which affects the habitats of many
songbirds A songbird is a bird belonging to the suborder Passeri of the perching birds (Passeriformes). Another name that is sometimes seen as the scientific or vernacular name is Oscines, from Latin ''oscen'', "songbird". The Passeriformes contains 500 ...
that breed in forests. Several songbirds, such as the
Streaked Reed Warbler The speckled reed warbler or streaked reed warbler (''Acrocephalus sorghophilus'') is an Old World warbler in the family Acrocephalidae. The species was first described by Robert Swinhoe in 1863. It is found in China and the Philippines. Its ...
and the Black-Throated Robin, have been listed as either vulnerable or endangered. Coastal marshes, freshwater, and flooded grasslands are important food sources for songbirds like the family of
Locustellidae Locustellidae is a newly recognized family of small insectivorous songbirds ("warblers"), formerly placed in the Old World warbler "wastebin" family. It contains the grass warblers, grassbirds, and the ''Bradypterus'' "bush warblers". These bird ...
, but many of these natural habitats are either converted to agricultural land or threatened by drainage. In response to the damage of wetlands and forests, many countries have implemented new forestry policies. An example of this is China's Natural Forest Protection Plan, which is expected to increase forest cover in eastern and southern China.


Hunting

Another major threat faced by migratory birds in EAAF is rampant hunting in South-East Asia. Reasons for hunting vary, but pet trade and hunting for food in rural areas are the most common motives. As a result of the unregulated hunting, the Yellow-breasted Bunting, whose IUCN threat status was "Least Concern" 10 years ago, has now been listed as "Vulnerable". In parts of
Cambodia Cambodia (; also Kampuchea ; km, កម្ពុជា, UNGEGN: ), officially the Kingdom of Cambodia, is a country located in the southern portion of the Indochinese Peninsula in Southeast Asia, spanning an area of , bordered by Thailand t ...
and
Thailand Thailand ( ), historically known as Siam () and officially the Kingdom of Thailand, is a country in Southeast Asia, located at the centre of the Indochinese Peninsula, spanning , with a population of almost 70 million. The country is bo ...
, migratory songbirds including
swallows The swallows, martins, and saw-wings, or Hirundinidae, are a family of passerine songbirds found around the world on all continents, including occasionally in Antarctica. Highly adapted to aerial feeding, they have a distinctive appearance. The ...
and Great Reed Warblers are caught for religious "mercy releases", resulting in thousands of deaths.


Conservation Priorities

According to a holistic review of current research, the demographics, habitat distribution, and survival rate of many endangered species remain ambiguous. Studies about these areas in the key habitats along the flyway may prove useful to conservation of migratory birds. Besides, the current Flyway Site Network mainly focuses on water birds, neglecting the protection of remained migratory birds. Scientists claim that organizations and laws focusing on protecting these birds may be needed.


Roles of Birders

The birding community in Asia is increasing rapidly, especially in China, Thailand, Indonesia, and Philippines, due to a growing middle class. Despite language barriers, the e-bird system has successfully assisted birding communication across national boundaries, contributing to the development of EAAF. For example, the collective data from birders have contributed to many research projects, such as filling the gap of distribution of the
Rufous-Headed Robin The rufous-headed robin (''Larvivora ruficeps'') is a species of passerine bird in the family Muscicapidae. It is found in central China. Its natural habitats are temperate forests and temperate shrubland. This poorly known species is thought to ...
in Cambodia.Mahood, S. P., Eaton, J. A. and Leader, P. J. (2013a) Second record of Rufous-headed Robin ''Luscinia ruficeps'' outside its breeding range and a description of its first-winter plumage. ''BirdingAsia'' 19: 43–47.


See also

* China–Australia Migratory Bird Agreement * Japan–Australia Migratory Bird Agreement * Republic of Korea–Australia Migratory Bird Agreement *
Saemangeum Saemangeum is an estuary, estuarine tidal flat on the coast of the Yellow Sea in South Korea. It was dammed by the government of South Korea's Saemangeum Seawall, Saemangeum Seawall Project, completed on April 27, 2010, after a long fight betw ...
South Korea *
Saemangeum Seawall The Saemangeum Seawall, located on the southwest coast of the Korean peninsula, is the world's longest man-made dyke, measuring . It runs between two headlands, and separates the Yellow Sea and the former Saemangeum estuary. In 1991, the South ...
South Korea *
Bonn Convention The Convention on the Conservation of Migratory Species of Wild Animals, also known as the Convention on Migratory Species (CMS) or the Bonn Convention, is an international agreement that aims to conserve migratory species throughout their r ...
*
Ramsar Convention The Ramsar Convention on Wetlands of International Importance Especially as Waterfowl Habitat is an international treaty for the conservation and sustainable use of Ramsar sites (wetlands). It is also known as the Convention on Wetlands. It i ...


References


External links


''East Asia/Australasia Flyway'' Factsheet
from
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 ...

East Asian–Australasian Flyway PartnershipAustralasian Wader Studies GroupRefuelling station of East Asian Migratory FlyawaySiberian ornithology - Australian style, 1903
Retrieved 4 January 2017.
Why North Korea is a safe haven for birds
(BBC). {{DEFAULTSORT:East Asian - Australasian Flyway Bird migration flyways . . .