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Three Parallel Rivers of Yunnan Protected Areas

Three Parallel Rivers of Yunnan Protected Areas

Consisting of eight geographical clusters of protected areas within the boundaries of the Three Parallel Rivers National Park, in the mountainous north-west of Yunnan Province, the 1.7 million hectare site features sections of the upper reaches of three of the great rivers of Asia: the Yangtze (Jinsha), Mekong and Salween run roughly parallel, north to south, through steep gorges which, in places, are 3,000 m deep and are bordered by glaciated peaks more than 6,000 m high. The site is an epicentre of Chinese biodiversity. It is also one of the richest temperate regions of the world in terms of biodiversity.

Aires protégées des trois fleuves parallèles au Yunnan

Composé de huit groupes d’aires protégées contenues dans le Parc national des trois fleuves parallèles, dans le nord-ouest montagneux de la province du Yunnan, ce site de 1,7 million d’hectares comprend des secteurs du cours supérieur de trois des grands fleuves d’Asie : le Yangtze, le Mékong et le Salouen. Ces fleuves coulent pratiquement en parallèle, du nord vers le sud, à travers des gorges vertigineuses qui peuvent atteindre 3 000 mètres de profondeur et sont bordés de hauts sommets dont les pics glacés dépassent 6 000 mètres. Cette région tempérée est la plus riche du monde en diversité biologique, et elle est également un épicentre de la biodiversité en Chine.

محميّات الأنهر الثلاثة الموازية ليونان

يتألّف هذا الموقع من ثماني مجموعات من المساحات المحميّة الموجودة في المنتزه الوطني للأنهر الثلاثة المتوازية في شمال غرب مقاطعة يونان الجبليّة، وهو يمتد على مساحة 1.7 مليون هكتار ويضمّ قطاعات من المجرى الأعلى لأنهر ثلاثة كبيرة في آسيا وهي يانزي، ميكونغ، وسالوين. تجري هذه الأنهر بشكل متوازٍ من الشمال نحو الجنوب وتمرّ عبر مضائق سحيقة تبلغ حدَّ 3000 متر من العمق وتحدّها جبال عالية تتخطّى قممها الجليديّة ارتفاع 6000 متر. وهذه المنطقة بمناخها المعتدل هي الأغنى في العالم من ناحية التنوّع البيولوجي وهي كذلك محور التنوّع البيولوجي في الصين.

source: UNESCO/ERI

云南三江并流保护区

基尤皇家植物园是18世纪到20世纪园林艺术发展最辉煌阶段的完美体现。现在植物园所拥有的极其丰富的有关植物学的收藏(标本、活的植物和文献),是经过了几个世纪积累的结果。自从1759年建立起,基尤皇家植物园就不断为植物多样性和经济植物学研究做出杰出贡献。

source: UNESCO/ERI

Национальный парк «Три параллельные реки», провинция Юньнань

Этот исторический парковый ландшафт демонстрирует достижения садово-паркового искусства в период XVIII-XX вв. Здесь содержатся ботанические коллекции (гербарии, живые растения и документы), которые за несколько веков существенно пополнились. Сады, начиная с момента своего создания в 1759 г., внесли огромный вклад в изучение растительного мира.

source: UNESCO/ERI

Zonas protegidas del Parque de los Tres Ríos Paralelos de Yunnan

Situado en la parte montañosa del noroeste de la provincia de Yunnan, este sitio está compuesto por ocho grupos de zonas protegidas que se hallan dentro del Parque Nacional de los Tres Ríos Paralelos. Tiene una superficie de 1.700.000 hectáreas y abarca tramos del curso superior de tres grandes ríos de Asia: el Yangtsé, el Mekong y el Salwin, que discurren por gargantas de hasta 3.000 metros de profundidad y están flanqueados por picos de más de 6.000 metros de altura, coronados por nieves perpetuas. Además, este sitio constituye un epicentro excepcional de la biodiversidad en China y es una de las regiones templadas del mundo con mayor diversidad biológica.

source: UNESCO/ERI

Beschermd gebied van de drie parallelle rivieren van Yunnan

Het beschermd gebied van de drie parallelle rivieren van Yunnan ligt in het bergachtige noordwesten van de provincie Yunnan en bestaat uit 15 beschermde gebieden, onderverdeeld in 8 clusters. Het ruim 1,7 miljoen hectare grote gebied omvat de bovenloop van de grote rivieren van Azië: de Yangtze (Jinsha), Mekong en Salween. Ze stromen nagenoeg parallel, van noord tot zuid, door diepe kloven, die plaatselijk wel 3.000 meter diep kunnen zijn en begrensd worden door ijspieken van meer dan 6.000 meter hoogte. Het beschermde gebied is een van de rijkste gematigde streken ter wereld qua biodiversiteit.

Source: unesco.nl

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Three Parallel Rivers of Yunnan Protected Areas © Ko Hon Chiu Vincent
Outstanding Universal Value

Brief synthesis

Located in the mountainous north-west of Yunnan Province in China, the Three Parallel Rivers of Yunnan Protected Areas is a natural serial property consisting of 15 protected areas, grouped into eight clusters. The Property contains an outstanding diversity of landscapes, such as deep-incised river gorges, luxuriant forests, towering snow-clad mountains, glaciers, and alpine karst, reddish sandstone landforms (Danxia), lakes and meadows over vast vistas. The 1.7 million hectare site features sections of the upper reaches of three of the great rivers of Asia: the Yangtze (Jinsha), Mekong and Salween which run approximately parallel, north to south, through steep gorges which, in places, are 3,000 m deep and are bordered by glaciated peaks more than 6,000 m high. The property spans a large portion of the Hengduan Mountains, which is the major arc curving into Indochina from the eastern end of the Himalayas. Being located in the convergent regions of the three world's major biogeographic realms, the property is in an epicentre of Chinese biodiversity. It may also harbour the richest biodiversity among the temperate areas of the world.

Criterion (vii): The deep, parallel gorges of the Jinsha, Lancang and Nu Jiang are the outstanding natural feature of the property; while large sections of the three rivers lie just outside the property boundaries, the river gorges are nevertheless the dominant scenic element in the area. High mountains are everywhere, with the glaciated peaks of the Meili, Baima and Haba Snow Mountains providing a spectacular scenic skyline. The Mingyongqia Glacier is a notable natural phenomenon, descending to 2700 m altitude from Mt Kawagebo (6740 m), and is claimed to be the glacier descending to the lowest altitude for such a low latitude (28° N) in the northern hemisphere. Other outstanding scenic landforms are the alpine karst (especially the 'stone moon' in the Moon Mountain Scenic Area above the Nu Jiang Gorge) and the 'tortoise shell' weathering of the alpine Danxia.

Criterion (viii): The property is of outstanding value for displaying the geological history of the last 50 million years associated with the collision of the Indian Plate with the Eurasian Plate, the closure of the ancient Tethys Sea, and the uplifting of the Himalaya Range and the Tibetan Plateau. These were major geological events in the evolution of the land surface of Asia and they are on-going. The diverse rock types within the property record this history and, in addition, the range of karst, granite monolith, and Danxia sandstone landforms in the alpine zone include some of the best of their type in the mountains of the world.

Criterion (ix): The dramatic expression of ecological processes in the Three Parallel Rivers property has resulted from a mix of geological, climatic and topographical effects. First, the location of the area within an active orographic belt has resulted in a wide range of rock substrates from igneous (four types) through to various sedimentary types including limestones, sandstones and conglomerates. An exceptional range of topographical features - from gorges to karst to glaciated peaks -- is associated with the property being at a "collision point" of tectonic plates. Add the fact that the area was a Pleistocene refugium and is located at a biogeographical convergence zone (i.e. with temperate and tropical elements) and the physical foundations for evolution of its high biodiversity are all present. Along with the landscape diversity with a steep gradient of almost 6000m vertical, a monsoon climate affects most of the area and provides another favourable ecological stimulus that has allowed the full range of temperate Palearctic biomes to develop.

Criterion (x): Northwest Yunnan is the area of richest biodiversity in China and may be the most biologically diverse temperate region on earth. The property encompasses most of the natural habitats in the Hengduan Mountains, one of the world's most important remaining areas for the conservation of the earth's biodiversity. The outstanding topographic and climatic diversity of the property, coupled with its location at the juncture of the East Asia, Southeast Asia, and Tibetan Plateau, biogeographical realms and its function as a N-S corridor for the movement of plants and animals (especially during the ice ages), marks it as a truly unique landscape, which still retains a high degree of natural character despite thousands of years of human habitation. As the last remaining stronghold for an extensive suite of rare and endangered plants and animals, the property is of Outstanding Universal Value.

Integrity

The Three Parallel Rivers Property is composed of 15 different protected areas which have been grouped into eight clusters, each providing a representative sample of the full range of the biological and geological diversity of the Hengduan Mountains. Following boundary modifications accepted in 2010, the core areas cover an area of 960,084 ha, and each cluster is surrounded by a buffer zone covering a further 816,413 ha. The justification for inscribing a series of areas to represent this diversity is due to the fact that the area has been modified by human activities over thousands of years; note that in 2003 some 315,000 people lived inside the property, with 36,500 residing inside the core zone. However, much of the site is still relatively undisturbed and continues to perform its ecosystem functions. This is partially explained by the inaccessibility of the higher slopes and the relatively light impact of the subsistence activities of the resident populations.

The boundary/area ratio for some of the components is extremely high, and connectivity between the component parts is also an issue. Some of the component parts are separated by precipitous river gorges, high mountain glacial divides and/or human settlement. Such a condition will result in a certain biological isolation, and options for linking the units via wildlife corridors would considerably help to enhance the integrity of the overall site.

Protection and management requirements

The main challenges facing the property include tourism development within the property and other human activities in adjacent areas. The principal management requirements are to establish and maintain the management plans for all eight clusters of protected areas and scenic areas; regulate and control human activities in adjacent areas, including hydropower development and mining; assure effective on-site boundary demarcation; and to build management capacity, to protect and conserve the Outstanding Universal Value of the property.

The 15 different protected areas that make up the property all have a range of different legal conservation designations, including national and provincial level nature reserves and national scenic areas, thus are subject to different national and provincial laws and regulations. The coordinating and management body for the Property is the Yunnan Three Parallel Rivers Management Bureau, which has offices in Diqing, Nujiang and Lijiang prefectures, as well as representation in offices and stations in more than 20 counties. This Management Bureau is responsible for the overall revision and improvement to the master plan of the entire property.

.Substantial funding is provided by the central government each year for the day-to-day management of the property, with a large special fund earmarked for formulating the master plans of the site. Central government has also provided special support to the conservation and management facilities for the property. Local government has provided funding for exhibition facilities, eco-environment protection and biodiversity conservation, funding which is growing steadily and proportionately with the overall funding. The government of Yunnan Province will continue to mobilize funding from various sources for environmental protection, environmental management, ecological compensation, use of new energy sources and research specially focusing on strengthening environmental protection, ecological construction and biodiversity conservation in northwest Yunnan. Management of the property will also benefit from provincial funding for biodiversity conservation targeted at capacity building, formulation of management plans, scientific research, demonstrations, publicity and awareness education.

Long Description

Three Parallel Rivers of Yunnan Protected Areas is situated in south-west China. The site consists of 15 protected areas (in eight geographical clusters) in the mountainous north-west of Yunnan Province.

Extending 310 km from north to south and 180 km from east to west, the site encompasses large sections of three of the great rivers of Asia, the Yangtse (Jinsha), Mekong (Lacang) and Salween (Nu Jiang), which run parallel from north to south through the nominated area for over 300 km.

The world heritage area lies over four parallel north-south trending mountain ranges that reach a height in excess of 4,000 m above sea level in altitude. These ranges are part of the Hengduan Mountains located beyond the eastern end of the Himalayas, which have been corrugated and uplifted by the pressures of crustal folding.

The site is dominated by a huge composite orogenic belt that shows the signs of powerful crustal movements in the past. Notably is the compression of the edge of the Eurasian plate by the underlying Indian plate which is being subducted along the line of the Lancang River fault. The resulting squeeze created vast thrust-nappes; violent shearing and uplift into high mountains, through which pre-existing rivers continue to cut, resulting in the extreme vertical relief which characterizes the area. Some of the results are visible in complex patterns of folded rock and unusual mineral formations.

The site is also an excellent representative of alpine landscapes and their evolution. The eastern mountains, plateaus and valleys are covered with meadows, waterfalls and streams and hundreds of small glacial lakes left by glacial erosion processes.

The land area encompassed by Three Parallel Rivers of Yunnan Protected Areas is one of the world's least-disturbed temperate ecological areas, an epicentre of Chinese endemic species and a natural gene pool of great richness. It supports the richest diversity of higher plants of China, owing to its altitudinal range and its position in a climatic corridor between north and south, it includes the equivalents of seven climatic zones: southern, central and northern subtropical with dry hot valleys, warm, cool and cold temperate, and cold zones. Owing to its function as a refuge during the last Ice Age and its location near the boundaries of three major biogeographic realms, East Asia, South-East Asia and the Tibetan plateau, the park has 22 vegetation subtypes and 6,000 plant species.

The fauna is a complex mosaic of Palaearctic, oriental and local endemic species adapted to almost all the inland climates from southern subtropical to frigid, except for desert, although there are hot dry valleys. The area is believed to support over 25% of the world's animal species, many being relict and endangered. There is a concentration of the country's rare and endangered animals within the nominated area. Being near the boundaries of the East Asian, South-East Asian and Tibetan biogeographic realms, the nominated area also acts as a corridor where several species from each realm meet and reach their limits of distribution. In addition there are numerous primitive animals that are relics of the ecological past, alongside animals that have recently adapted to colder conditions.

Source: UNESCO/CLT/WHC