This can really be! Typical mine ecological restoration and landscape creativity at home and abroad

1. Typical cases at home and abroad

Foreign Quarry (Mine) Industrial Wasteland (Industrial Wasteland)

French Desne Entertainment Base

It is located in the province of Jura in central France. It was originally a gravel field for the construction of Highway No. 39. It is mostly a steep slope mountain.

Designer Jacques Simon believes that the best solution for transforming into an entertainment base is to eliminate all external factors that damage the ecological environment.

In the design scheme, there is a water surface with an area of ​​60 hm2. The slender, zigzag and extremely irregular edges form a banded waterscape under the shackles of the forest belts on both sides. Jacques Simon's design intent is to increase the available surface area and treat the water's edge into an ecological environment that is conducive to the habitation of many animals and plants without human activities.

Canadian Butchard Gardens

Victoria, Vancouver, Canada, was originally a limestone pit at a cement plant that was abandoned after the resources were exhausted.

Mrs. Buchard kept the unique terrain of the pit in accordance with local conditions, and the garden was initially built in 1904. After several generations of efforts, the garden continued to expand, and the Rose Garden, the Italian Garden and the Japanese Garden were developed.

The Sunken Garden was built using a huge pit that is nearly 20 meters below ground level. Visitors must step down and enter the deep valley. Around the stone walls of the five-storey building are planted with a large number of ivy, hanging down.

British "Eden"

In the abandoned clay pit near St Austell, Cornwall - the large plant exhibition hall - "Eden", covers an area of ​​12hm2.

It consists of four dome-shaped buildings with translucent materials on the skylight and a compound insect with a large image. “Eden” calls itself “the gateway to the world of plants and people” and houses tens of thousands of plants from different climatic conditions around the world. The main purpose is to show the relationship between plants and people, how humans depend on plants for sustainable development. . The original layout of the mining area is fully integrated, and the natural architecture, garden landscape and ecological landscape are naturally connected.

American Oak Quarry Golf Club

Oak Quarry Golf Club is located in California, USA and opened to the public in 2000. Its predecessor was a quarry, which was rich in limestone and marble during the heyday of mining.

Repair of the Swineham quarry in the UK

Design and construction

Habitat design and management

owner

Aggregate Industries

location

Dorset, United Kingdom

time

2001-2006

WWT Consulting was commissioned by Aggregate Industries to launch the Swineham Bestwell Quarry Restoration Project in 2001. The project includes detailed hydrological analysis, appropriate habitat restoration planning and design, strict construction and planting management.

In order to ensure the success of the design habitat, the designer used detailed water balance and water level simulation methods to create suitable wetland hydrological conditions and carefully set up a variety of ideal terrain.

US Midwestern abandoned mine recycling project

The abandoned mine is located in Indiana, USA. Before this abandoned mine was reused, the natural conditions were already very bad. Including a large number of open-air coal slag, destroyed mountain, outdoor walls, old mud pools and acidic waste water pond near the walls. Acid water leaked out of the well, and a large amount of acid water was discharged into Midwestern Creek and flowed into the Patoka River.

The wetland treatment area uses an anaerobic-aerobic process. According to the findings of the Indiana Geological Survey, this approach has changed hydrological and hydrochemical conditions, shortened the residence time of rainwater, and reduced the chances of exposure to acid production. The water quality monitoring results on the site show that the effluent water quality conditions of the mine have been greatly improved.

US East Anaconda copper mine restoration project

The copper mine began production in 1894. For a long time in the soil to accumulate high concentrations of metal on the surrounding environment and the health of residents and local economic development have caused a serious impact.

The principle of restoration: it is necessary to protect the surrounding environment and residents from pollutants, while maintaining the original historical landscape and ensuring the sustainable development of the local economy.

Rehabilitation plan: Transformed into a golf course with local characteristics.

Main measures: Covering 15-20 inches of clean soil on the ground, planting green plants on it, installing drainage systems, etc. Other areas only cover uncontaminated soil to maintain the original appearance to the greatest extent possible.

In addition to bringing good environmental benefits, the reconstruction of Anaconda has also transformed the former mineral city into a well-known tourist destination, and promoted the development of the regional economy, which produced good social and economic benefits, and carried out golf and hiking. A range of leisure activities such as fishing and hunting.

Duisburg Park, Germany

Park is located in the northern part of Germany's most important industrial base in the Ruhr city of Duisburg district, is part of the International Building Exhibition Emscher Park, the former Augst Tyson was once the steel plant, closed in 1985 after gradually abandoned . Landscape architect Peter Latz treated the site with ecological means, making it a classic example of the transformation of urban wasteland into a city park, inspiring people to think about the transformation of urban wasteland.

Landscape ecological design plan:

1) Most of the plant structures have been retained in the design of ecological restoration of abandoned land, giving new features to some of the structures.

2) The original vegetation on the abandoned land was not changed in the ecological restoration design of the abandoned land, and the original and recycled materials were used for landscaping.

3) Recycling of water in the park.

Sewage treatment;

rainwater collecting;

The old riverbed has also been changed from the original hard revetment to the “permeable” artificial ecological revetment, which integrates the vegetation of the waterfront with the vegetation inside the embankment to form a complete river ecosystem, which promotes the hydrology of the Emscher River. Biological ecological processes.

New York Spring Park

The Clear Spring Landfill in Staten Island, New York City is the largest landfill in New York. Long-term garbage pollution causes serious degradation of its natural systems, consisting of garbage hills, streams, wetlands and pits.

The final winning project was the “life landscape” – Lifescape. The theme of the park is “Life Landscape – New Public Land in New York City”.

The program provides a long-term strategy based on natural evolution and plant life cycle to restore severely degraded land, through restoration of wetlands, forests, introduction of new habitats, addition of recreational projects, to wildlife, and Cultural and social life provides a quality venue.

Tangshan Nanhu Park

Tangshan Nanhu Scenic Area is located in the south of the city center and is the most influential city in the coal mining subsidence area of ​​Tangshan City. After several decades of subsidence, the average height of the subsidence area is about 20m lower than that of the urban area. The surrounding residents have gradually moved, and it has become a rare abandoned land. At the end of the last century, the Tangshan Municipal Government began to carry out landscape ecological management. It was divided into two periods: the construction period of Nanhu Park from 1997 to 2005, the planned land area was 1.8km2; the future construction period of Da Nanhu area after 2005.

Landscape ecological design of Nanhu Park

Special treatment of garbage and solid waste;

Create a changing terrain;

Combine the drainage and flood discharge functions of the city and the construction of landscape water bodies, comprehensively control sewage, and create a country park characterized by wetlands;

In the choice of plants, the original plants are retained, giving full play to the role of the original plants in transforming the urban environment; the plant configuration uses native tree species to highlight local characteristics.

Landscape ecological design of Nanhu Lake

1) According to the geological survey, determine the extent and extent of the subsidence in the planning period, estimate the extent of the accumulated water, and analyze the suitability of the construction.

2) Terrain renovation and soil improvement. Combining geological surveys with the ecological characteristics of the remaining materials in the site, the project of “watering and building mountains” is carried out.

3) Water system remediation. In the first stage, the pollution of the Qinglong River in the lot is separated from the newly formed water surface, and the sewage treatment process of the river and the lake can be carried out independently without interference. In the second stage, along with the migration of the river, the current lake surface is cleaned, the lake water is drained, and the garbage is removed to form a large surface. The surface soil and plant layers in the large subsidence area will be removed. The fertile soil excavated is transferred to the fly ash field and the garbage mountain, making it possible to grow plants on the original barren land.

4) Landscape Ecosystem - An ecological network consisting of rural small grids, marginal parks, green grass pastures, reeds, etc., from the perspective of ecology and aesthetics, allowing cities and green spaces to penetrate each other and defining the open water surface The boundary of the land exerts its ecological effects, which makes the coal mining subsidence area form a characteristic landscape.

Hubei Huangshi National Mine Geology Park

Huangshi National Mine Park is located in the Tieshan Mountain Area. The famous “Yeye” of Hanyeping Coal and Iron Company refers to Daye Iron Mine. After 100 years of mining, the east open pit of Daye Iron Mine has formed the world’s highest height of 444 meters. Steep slope; in order to control the ecological environment, the mine invested tens of millions of yuan to form Asia's largest hard rock reclamation base.

The park is divided into "geological relics exhibition area, the mining industry Expo area, environmental recovery and transformation zone" three plates with sunrise, Mining Expo, Exploring underground, stone sea oasis, Pheasant Hill misty rain, Lingshan Temple, the Millennium Ginkgo, Kowloon Eight core scenic spots such as Dongtian.

Jiangsu Xiangshan National Mine Geological Park

The mine is located in Jixian County, Jiangsu Province. It was a century-old mine that began to open-pit mining stone in the late Qing Dynasty. After its closure in 2002, it was fully integrated into the geological and ecological restoration and management stage. At the end of 2005, it was approved by the Ministry of Land and Resources as the first batch of national mine parks. Development and construction projects.

The project is based on the scenery of Huaihe River and the green complex ecology of the mine. It protects and displays mining and geological relics as the main body, according to the “One Heart, One Pavilion and Five Districts” (inlet distribution management center, mine geological museum, mining geological heritage display area, riverside pro The construction of the Water Garden District, Shitang Water Recreation Area, Yabi Development Sports Area and Mine Ecological Restoration Area will be built in the East China region, which integrates “mining culture, popular science experience, sightseeing, extreme sports, leisure and holiday”. National Grade Mine (Geological) Park.

Shanghai Chenshan Botanical Garden Mine Garden

Chenshan Botanical Garden is located in Songshan National Tourism Resort Zone, Songjiang District, Shanghai. The park covers an area of ​​about 207 hectares and is a joint project between the Shanghai Municipal Government and the Chinese Academy of Sciences, the State Forestry Administration and the Chinese Academy of Forestry.

The only Chenshan in the park was destroyed by the mountain and the mountain was damaged. It was ecologically restored in the design and transformed into a ready-made conservation display area for native plants, local herbs and zonal vegetation. At the same time, a small viewing platform was built on the peak and a piece was installed on the quarry in the quarry site. The 160-meter-long plank road type pontoon artificially "hangs" the next waterfall on the mountain, making the waste quarry immediately lively and vivid.

2. Ecological restoration measures

Ecological restoration measures

Toxicity treatment and pollution control - physical, chemical, and plant methods

Matrix improvement - replacement of soil, microbial regulation, nitrogen-fixing plants, etc.

Water dredging - intercepting ditch, drainage ditch, grit chamber, etc.

Vegetation Restoration - Natural Succession

Engineering Technology - Fiber Blanket, Jet Seeding, Eco Bag

Safe handling - retaining walls, slope protection, sand dams, maintenance fences, etc.

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