Amur-Heilong Biodiversity | WWF
© WWF Russia / Vladimir Filonov

Amur-Heilong Biodiversity

Amur tiger (Panthera tigris altaica)

Amur-Heilong Biodiversity

For an area lying far in the north between boreal and temperate realms, half covered by permafrost, the Amur Basin has surprisingly rich diversity of species. Since its large area is split between three countries and 15 terrestrial and 7 freshwater ecoregions no one has calculated so far the overall basin-wide taxonomic diversity. There are at least 6000 species of vascular plants, at least 600 bird species, and about 200 mammal species.

 rel= © WWF Russia / Vladimir Filonov

The Amur-Heilong supports a tremendous diversity of habitats, populated with species originating from the northern boreal, temperate and subtropical biomes. Boreal species from flora and fauna complexes of East Siberia meet here with Mongolian, Okhotsk-Beringian, Manchurian species, providing unique cases of coexistence when tropical lianas are embracing boreal conifers and northern anadromous Chum Salmon is staring at Chinese Soft-shelled turtle in Amur River main channel.

Enormous Wetland Ecosystem Network

Rivers and lakes in the Amur-Heilong River Basin provide habitats for about 130 freshwater fish species, including seven species of migratory salmon and Kaluga – the largest sturgeon in the world that can weigh up to 1000 kilograms. At present, no dams block the river’s main channel, which runs nearly 4,500 kilometres from Mongolia into the Tartar Strait of the Okhotsk Sea. The river floods its banks between 4 and 6 times during the summer, mostly during the monsoon season in July and August, when it swells to 10-25 kilometres in width in years of heavy rainfall. Wetlands on the plains of the Amur-Heilong River are globally significant for migration of tens of thousands of geese and hundreds of thousands of ducks and waders. Endangered species such as Far Eastern curlew (Numenius madagascarensis), Scaly-sided merganser (Mergus scquamatus), Swan goose (Anser cygnoides), Baikal teal (Anas formosa) and many others depend on these stop-over areas. Each spring and autumn, birds stop here to feed and rest along the East Asian migration routes between nesting areas in the north and wintering grounds in the Yangtze River valley in China and on the Korean Peninsula and the islands of Japan.
As much as 95 percent of the world’s nesting population of Oriental white storks (Ciconia boyciana), is found in the Amur-Heilong floodplains, along with 65 percent of the Red-crowned crane (Grus japonensis), and 90 percent of the White-naped crane (Grus vipio) populations. This is the only place in the world where one can simultaneously observe 6 species of cranes on the same patch of wetland.

Tiger Forests

The Amur-Heilong contains some of the best preserved temperate forest ecosystems and still harbours about 500 Amur tigers and the last remaining viable wild population of Far Eastern leopard, estimated at less than 40 individuals. This mixed temperate forest ecosystem depends on the Korean Pine -“tree of life” producing food (pine nuts) and shelter: where there is Korean pine one also finds wild boar, which is the tiger's primary prey. Ginseng grows only under the canopy of Korean pine stands. The value of a living tree is ten times higher than its timber. Here Brown bears coexist with Asiatic black bears, Far Eastern leopard cross paths with lynx (Felix lynx). Korean pine-broadleaved forests are very often the only source of income for residents of remote villages.

Boundless Steppe

The western part of Amur Heilong -Dauria - is the best-preserved example of Eurasian grassland and this region continues to support huge populations of larger migratory vertebrates - Mongolian Gazelle (Procapra gutturosa). Wetland-grassland landscapes withstand periodic droughts common in this climate. Cyclical climate fluctuation causes greater biodiversity and triggers migrations of many animal species. The area is also an important breeding and stopover site for millions of birds on several Asian flyways. Dauria is the only part of the Amur River Basin where indigenous peoples can continue their nomadic lifestyle.




 

Oriental white stork in Amur-Heilong 
    © WWF Russia / Alexandr Klimenko
Oriental white stork nesting in Amur-Heilong basin floodplains
© WWF Russia / Alexandr Klimenko
 
    © WWF / Bart Wickel
Kaluga sturgeon still found in all three countries of Amur River basin
© WWF / Bart Wickel
 
    © WWF Russia / Vasilii Solkin
Chinese Soft-shell turtle born in sends of Khanka Lake
© WWF Russia / Vasilii Solkin
 
    © WWF Russia / Vasilii Solkin
Far Eastern leopard roams in virgin forests
© WWF Russia / Vasilii Solkin
 
    © WWF Russia / Vadim Kiriliuk
Daurian Steppe is crossed by Mongolian gazelle migration paths
© WWF Russia / Vadim Kiriliuk
 
    © WWF / Bart Wickel
Pallas' cat inhabits Daurian grasslands
© WWF / Bart Wickel
 
    © WWF Russia / Gennadii Shalikov
Red-crowned crane is a cultural symbol throughout northeast Asia
© WWF Russia / Gennadii Shalikov
News

Posted on 23 June 2013 | 

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Posted on 15 November 2012 | 

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Posted on 18 September 2012 | 

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Posted on 12 September 2012 | 

IUCN World Commission on Protected Areas honored Yury Darman, head of WWF-Russia Amur branch, with ...

Posted on 29 July 2012 | 

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Posted on 29 July 2012 | 

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Posted on 05 June 2012 | 

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Posted on 12 May 2012 | 

A recent preliminary assessment of 63 legally protected areas in seven tiger range countries shows ...

Posted on 27 April 2012 | 

Northeast China’s Jilin Province Department of Forestry says the endangered Amur leopard ...

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Lotus lake at Ussury floodplain. Dongfanghong Nature Reserve
© Amur-Heilong wetland ecosystems play a crucial role in survival of rare and endagered vegetation species, such as wild lotus © WWF / Eugene Simonov

Okhotsk-Manchurian taiga forest
© Boreal forests - home for the northernmost extent of Manchurian species © WWF Russia / Eugene Egidarev

Source of 2nd Songhua River. Changbai Mountains Bioshpere Reserve. February 2007
© Mauntain ranges cross the region adding landscape diversity to the basin. Source of 2nd Songhua River. Changbai Mountains Bioshpere Reserve © WWF / Eugene Simonov

Red-crowned cranes and swan on fall migration. Dornod Eastern Mongolia. Fall 2006
© Grassland and freshwater ecoregions are inseparable features of the plains of the Amur-Heilong basin © WWF Russia / Vadim Kiriliuk

Ginseng
© Ussury broadleaf and mixed forests - home for ginseng (Panax ginseng), a highly valuable medical plant that is now severely depleted © WWF Russia / Vladimir Medvedev