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Accessibility of green infrastructure at the city scale on the example of Łomża and Siedlce

Anna Romańczak
Anna Romańczak
, 
Jakub Bratkowski
Jakub Bratkowski
 et 
Maciej Sadowski
Maciej Sadowski
   | 27 juil. 2024
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Publié en ligne: 27 juil. 2024
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DOI: https://doi.org/10.2478/oszn-2024-0001
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© 2024 Anna Romańczak et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Figure 1.

The selection of cities for the case study of the climate change adaptation assessment methodSource: own elaboration based on LDB (Local Data Bank)
The selection of cities for the case study of the climate change adaptation assessment methodSource: own elaboration based on LDB (Local Data Bank)

Figure 2.

Example distribution of the population of Łomża (city centre area)
Example distribution of the population of Łomża (city centre area)

Figure 3.

Example of population distribution in Siedlce (central part of the city)
Example of population distribution in Siedlce (central part of the city)

Figure 4.

Share of different types of public GI in Łomża and Siedlce by surface and number of sites
Share of different types of public GI in Łomża and Siedlce by surface and number of sites

Figure 5.

GI in the public space of Łomża
GI in the public space of Łomża

Figure 6.

GI in the public space of Siedlce
GI in the public space of Siedlce

Figure 7.

Number of GI facilities in Łomża and Siedlce in designated area size ranges
Number of GI facilities in Łomża and Siedlce in designated area size ranges

Figure 8.

Range of the M indicator buffer in Łomża calculated in relation to public GI sites of ≥ 1 hectare
Range of the M indicator buffer in Łomża calculated in relation to public GI sites of ≥ 1 hectare

Figure 9.

Range of the M indicator buffer in Łomża calculated in relation to all public GI sites
Range of the M indicator buffer in Łomża calculated in relation to all public GI sites

Figure 10.

Range of the M indicator buffer in Siedlce calculated in relation to public GI sites of ≥ 1 hectare
Range of the M indicator buffer in Siedlce calculated in relation to public GI sites of ≥ 1 hectare

Figure 11.

Range of the M indicator buffer in Siedlce calculated in relation to all public GI sites
Range of the M indicator buffer in Siedlce calculated in relation to all public GI sites

Figure 12.

Range of the S1 indicator buffer in Łomża calculated in relation to the place of residence. Includes elements of public GI of ≥ 1 hectare
Range of the S1 indicator buffer in Łomża calculated in relation to the place of residence. Includes elements of public GI of ≥ 1 hectare

Figure 13.

Range of the S1 indicator buffer in Łomża calculated in relation to the place of residence. Includes all public GI sites
Range of the S1 indicator buffer in Łomża calculated in relation to the place of residence. Includes all public GI sites

Figure 14.

Range of the S1 indicator buffer in Siedlce calculated in relation to the place of residence. Includes elements of public GI of ≥ 1 hectare
Range of the S1 indicator buffer in Siedlce calculated in relation to the place of residence. Includes elements of public GI of ≥ 1 hectare

Figure 15.

Range of the S1 indicator buffer in Siedlce calculated in relation to the place of residence. Includes all public GI sites
Range of the S1 indicator buffer in Siedlce calculated in relation to the place of residence. Includes all public GI sites

Figure 16.

Differences in the value of indicators between the two analysis variants [%] (author’s approach versus original)
Differences in the value of indicators between the two analysis variants [%] (author’s approach versus original)

Figure 17.

Structure of accessibility of Łomża residents to different categories of GI (all sites of GI) within a distance of 300 m [%]
Structure of accessibility of Łomża residents to different categories of GI (all sites of GI) within a distance of 300 m [%]

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 [%]
Structure of accessibility of Siedlce residents to different categories of GI sites (includes all sites of GI) within a distance of 300 m [%]

Figure 18.

Residents of Lomża and Siedlce with access to different categories of GI (includes all GI)
Residents of Lomża and Siedlce with access to different categories of GI (includes all GI)

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 [%]

300 m from GI between 1 and 10 ha*

700 m from GI >10 ha*

100 m from GI < 1 ha**
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
eISSN:
2353-8589
Langue:
Anglais
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Life Sciences, Ecology
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