Content indicators of green bidding:
1, the per capita park green area refers to the ratio of the total park green area to the total population of a city.
2. The urban green space rate is the ratio of the total urban green space area to the total urban land area. The green space rate of residential area refers to the ratio of residential land, which is used to describe the sum of all kinds of green space within the scope of residential land and the ratio of residential land. Including public green space and green space beside houses, the minimum requirement for public green space is not less than 8 meters in width and 400 square meters in area. The green area within the land use range is not less than 70% of the total area, and at least13 of the green area should be able to receive sunshine all the year round, and the green area next to the house is 1.5 meters away from the building exterior wall and road sideline when calculating. In real estate development, the government stipulates that this is the goal, generally not less than 30%.
3. The urban greening coverage rate refers to the ratio of the total urban greening coverage area to the total urban land area.
The requirement for green coverage is not so strict, as long as there is a piece of turf. So developers like to use the word "greening rate".
The role of Ginkgo biloba in urban greening
Large-scale greening and popularization of ginkgo trees have many advantages, not only the leaves have high nutritional value, but also the ginkgo fruit has good health care function, but among the actual greening seedlings, male trees are the most.
Classification of urban green space
Urban green space: refers to the urban land with natural vegetation and artificial vegetation as the main forms of existence. The main contents are: green land within the scope of urban construction land; In addition to urban construction land, it will also play a role in urban ecology, landscape and residents' rest green space with good environment.
1. Public green space: urban parks, botanical gardens, zoos, cemeteries, small gardens, street squares and other green spaces.
2. Green space in residential areas: other green spaces in residential areas except residential parks.
3. Green space attached to the unit: green space belonging to organs, organizations, troops, enterprises and institutions.
4. Protective green belt: a green belt for urban environment, health and safety, and disaster prevention.
5. Production of green space: provide the city with seedlings, flowers and seeds for nurseries and flower beds.
6. Scenic Woodland: Woodland with certain landscape value and playing a certain role in the overall landscape environment of the city.
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