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![Differences in the value of indicators between the two analysis variants [%] (author’s approach versus original)](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/64726ab0215d2f6c89dc731c/j_oszn-2024-0001_fig_016.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=AKIA6AP2G7AKOUXAVR44%2F20251206%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20251206T062129Z&X-Amz-Expires=3600&X-Amz-Signature=414a1e154bc05cdf7f8f209828d77f19bb3afaa43da2217684ee073a654dceda&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)
Figure 17.
![Structure of accessibility of Łomża residents to different categories of GI (all sites of GI) within a distance of 300 m [%]](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/64726ab0215d2f6c89dc731c/j_oszn-2024-0001_fig_017.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=AKIA6AP2G7AKOUXAVR44%2F20251206%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20251206T062129Z&X-Amz-Expires=3600&X-Amz-Signature=a4d195bfa7beb3a60be19cd87bf0954ead17afdf447f75a1720ca8c493a06e0c&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)
Figure 18.
![Structure of accessibility of Siedlce residents to different categories of GI sites (includes all sites of GI) within a distance of 300 m [%]](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/64726ab0215d2f6c89dc731c/j_oszn-2024-0001_fig_018.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=AKIA6AP2G7AKOUXAVR44%2F20251206%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20251206T062129Z&X-Amz-Expires=3600&X-Amz-Signature=63a0a74c03a0c81147b8a989f7a56c0b3147a4b1aaaef13160deadc4a89f8544&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)
Figure 18.
GI accessibility indicator for Łomża and Siedlce
| Variation in GI | Green infrastructure (GI) accessibility indicators | |||||
|---|---|---|---|---|---|---|
| M indicator [%] | S1 indicator [m2/capita] | S2 indicator [m2/capita] | ||||
| Łomża | Siedlce | Łomża | Siedlce | Łomża | Siedlce | |
| GI ≥ 1ha | 89.95 | 69.54 | 27.21 | 94.73 | 107.55 | 58.57 |
| Total GI | 90.57 | 72.29 | 29.04 | 67.81 | 111.10 | 59.68 |
Characteristics of selected cities: Łomża and Siedlce in 2021
| Characteristics of cities | Łomża | Siedlce |
|---|---|---|
| Surface area [km2] | 32.71 | 32.00 |
| Population | 62 019 | 77 354 |
| Population density [person/km2] | 1 898 | 2428 |
| Contribution of municipal green [%] | 1.18 | 1.20 |
Indicators for assessing the accessibility of GI
| Indicator | Description of indicator | Range of the access buffer in a straight line |
|---|---|---|
| Indicator M | Share of the population living in the designated walking distance zone from GI facilities in the total population of the city [%] |
|
| Indicator S1 | GI areas per inhabitant in designated zone [m2/inhabitant] | 300 m from residential areas |
| Indicator S2 | Total area of GI in comparison to the population of the city [m2/inhabitant] | Not applicable |
Monitoring indicators for the development of GI in the city of Łomża and Siedlce
| Monitoring indicator | Łomża | Siedlce | Target Value |
|---|---|---|---|
| Share of parks, greens, and neighbourhood green areas in total area [%] | No | Yes | Increase |
| Area of parks [ha] | Yes | No | Increase |
| Number of green and blue infrastructure facilities [units] | Yes | No | Increase |
| Number of tree plantings in urban areas [units] | Yes | Yes | Increase |
| Surface area of new built water management elements in the blue and green infrastructure system [m2] | No | Yes | Increase |