Criterion layer

standard floor

Evaluation standard

10 - 8

7 - 6

5 - 4

3 - 2

1 - 0

Ecological functionB1

Species richness (N1) C1

N ≥ 10

10 > N ≥ 8

8 > N ≥ 6

6 > N ≥ 4

N < 4

landscape level diversity C2

There are three levels of collocation

Two hierarchical collocations such as joe + irrigation or joe + grass

Single hierarchy

Plant health C3

The canopy is full, the leaves are bright, the plant grows vigorously, and there is no pests or diseases.

The crown is not full enough, the leaf color is darker, there are certain diseases and insect pests, and the plant growth is stronger

Plant growth is weak, with obvious pests and diseases

Indigenous Plant Community (N2) C4

N2 > 90%

90% > N2 > 80%

80% > N2 > 70%

70% > N2 > 60%

N2 < 60%

Aesthetic functionB2

Harmony with surrounding landscape C5

Very coordinated with the surrounding soft and hard landscape

Generally coordinated with the surrounding soft and hard landscape

Inconsistent with the surrounding soft and hard landscape

Seasonal landscape C6

The overall seasonal changes of plants are obvious

There are parts of the plants exist phase change season

Almost no seasonal change

color composition (N3) C7

More than 4 distinct colors

More than 3 distinct colors

Less than 3 distinct colors

service functionB3

Anti-glare C8

Strong anti-glare ability, which can basically avoid the influence of traffic lights on traffic and pedestrians at night

The anti-glare ability is strong, which can reduce the impact of traffic and pedestrians on the traffic lights at night

The anti-glare ability is weak, and it cannot reduce the impact of the traffic lights on the traffic and pedestrians at night

Shading effect C9

Shading effect is very good

Good shading effect

Better shading effect

Moderate shading effect

No shading effect