China’s Yellow River Delta sees ecological enchancment


aeb5fd9ddcbd45ab80ce5d23b971a4e1Black-headed gulls lead their youthful to feed, May 27, 2022. (Photo by Zhao Yingli/People’s Daily Online)

By Li Rui, People’s Daily

The Yellow River Delta National Nature Reserve, positioned on the river’s estuary in east China’s Shandong Province, has regularly enhanced its eco-compensation efforts in newest years, diverting nearly 360 million cubic meters of water from the river to the wetlands.

The nature reserve has efficiently prevented saltwater intrusion from destroying the wetland ecosystem and alleviated the salinization of soils.

The Yellow River, China’s second largest river, flows into the Bohai Sea in Shandong’s Dongying. The deposition of massive portions of sand and mud from the great river makes the Yellow River delta, which generates intensive wetlands.

The wetlands there, retreating from the ocean, are terribly inclined. They as quickly as shrank inside the Nineteen Eighties and Nineteen Nineties attributable to saltwater intrusion, coastal erosion, droughts and completely different components.

fbcc633010044b49a5c39f1817c57b10Photo taken on May 27, 2022 displays youthful black-headed gulls. (Photo by Zhao Yingli/People’s Daily Online)

To defend the wetland ecosystem and the unusual birds dwelling there, the Yellow River Delta National Nature Reserve was established in 1992. Covering 1,530 sq. kilometers, the character reserve boasts the world’s most full and the youngest wetland ecosystem in warmth temperate zone.

Sporobolus alterniflorus, typically known as clear cordgrass, hinders the stableness of the wetland ecosystem, acknowledged Wang Jinhe, head of a Dongying institute that analysis the occasion of the marine monetary system.

“The plant is very prolific and has a strong root system. It has severely encroached on the growing space of local plants such as Suaeda salsa and Chinese tamarisk. Its presence in the nature reserve had led to a sharp decline in the biological density of benthos in the tidal flat and reduction in the foraging and inhabiting space for birds. It is a threat against the biodiversity in the nature reserve,” Wang outlined.

038bfcaf7d154d539a5288bedbdf1e47Photo displays the Yellow River Delta National Nature Reserve. (Photo by Zhao Yingli/People’s Daily Online)

Since 2016, Dongying, in collaboration with scientific institutions such as a result of the Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, has used geographic information applications and distant sensing experience and launched self-discipline investigations to check the distribution and intrusion mechanism of the clear cordgrass inside the Yellow River Delta.

As a finish end result, it has developed numerous remedy utilized sciences and carried out administration duties which have efficiently contained the expansion of the plant and restored the biotic inhabitants inside the intertidal zone.


The nature reserve has moreover launched 16 wetland restoration duties with an entire funding of virtually 1.08 billion yuan ($160.65 million), restoring 72,500 mu (4,833 hectares) of wetlands and flat from farmlands, connecting 241 kilometers of water channels, and recovering 47,000 mu (3,133 hectares) of Suaeda salsa and seagrass beds.

The distinctive restoration model has achieved distinctive progress that reaches long-term stability of pure succession with one remedy, and a compound ecosystem that options river, land, flat and sea is taking kind. The integrity of the river estuary’s new wetland ecosystem is further enhanced.

Black-headed gulls, known as “elves on wetlands,” are pretty “picky” when choosing their breeding places, acknowledged Zhao Yajie, senior engineer of the Yellow River Delta National Nature Reserve’s administration committee, together with that the birds are an indicator of the ecological modifications happening on wetlands. The nature reserve has put the habitats of black-headed gulls, oriental white storks, cranes and completely different species beneath key security, in response to the engineer.

Over the years, the character reserve has seen a excellent improve inside the choice and number of fowl species. Now, it’s residence to 371 fowl species, up from 187 when it was merely established. 

Known as an “international airport for birds,” the character reserve has change into an important stop, wintering flooring and breeding place for birds migrating alongside the East Asia-Australasia and the West Pacific flyways. It will be an important breeding place for oriental white storks, the world’s second-largest breeding place for black-headed gulls and the world’s second-largest wintering flooring for white cranes.

Dongying is at current working to assemble the Yellow River Estuary National Park, which may span 3,523 sq. kilometers, along with 1,371 sq. kilometers of land area and a few,152 sq. kilometers of sea area. It will set a model new sample for the protection of river and delta ecology as China’s first built-in land–sea nationwide park.

“There must be more birds coming to and settling around the Yellow River estuary in the future,” acknowledged Zhao.

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