Green infrastructure (GI) is planned at various scales, including a regional one: city-regions. Strategic GI planning included in the city-regions spatial development policy can contribute to their sustainable development through, among others, providing a range of ecosystem services. In order to meet the challenge of planning GI on a regional scale, the authors present the Method of Landscape-Functional Units (Method LaFU), which is used for the planning and evaluation of such systems. This method was tested in the Wrocław Functional Area (WFA), which is characterized by many negative processes, primarily uncontrolled development of built-up areas, fragmentation of landscape, and declining natural and semi-natural areas. The presented results show the effectiveness of the Method LaFU in GI planning and, above all, in its assessment, which makes it possible to identify problem areas that are at risk but still important for the functioning of the GI system. This allows for quick decision making by entities responsible for spatial planning in the region. The proposed method can also be used in other city-regions.

This study analyzed the temporal variation of tropospheric ozone (O3) in Poznan (midwestern Poland) on the basis of data collected from a State Environmental Monitoring air quality assessment station. The aim was to investigate the distribution and variation of O3 levels and to assess the relationship with nitrogen oxides (NOx) and meteorological conditions. These relationships were assessed by multiple regression analysis and cluster analysis. The O3 levels showed a high annual, seasonal and daily volatility, and were significantly influenced by meteorological conditions and NOx levels. High O3 levels were accompanied by above-average levels of radiation (Rad), air temperature (Ta) and wind speed (Ws), together with below-average values of NOx and humidity (Rh). Atmospheric pressure (Ph) had an ambiguous effect on O3 levels.

Przeobrażenia zachodzące na terenach wiejskich spowodowane są różnorodnymi czynnikami natury wewnętrznej (wynikającymi wprost z uwarunkowań konkretnego obszaru) lub zewnętrznej (niezależnych od analizowanego terenu). Wywołują one silne zmiany krajobrazu wiejskiego, w tym jego podstawowego elementu, jakim jest wieś. Zróżnicowane skutki przemian widoczne są w wizerunku miejscowości i niestety, najczęściej mają one negatywny charakter. W efekcie obserwuje się zatarcie tradycji miejsca, odrębności i specyfiki regionalnej wsi. Podejmowanie działań odnowy wsi lub jej rewitalizacji wymaga przeprowadzenia szeregu badań i analiz pozwalających na określenie źródeł problemów danej miejscowości. W opracowaniu diagnozy stanu szczególne miejsce zajmują uwarunkowania przestrzenno-architektoniczne, przyrodnicze i społeczne. Z kolei w opracowaniu strategii procesu naprawczego, jego inicjowania i wdrażania, niezwykle istotne jest zaangażowanie lokalnej społeczności. Pomocne w tych działaniach jest określenie wyróżników krajobrazu wiejskiego, wyznaczonych na podstawie przeprowadzonych analiz, które mogą być podstawą lub inspiracją do sprecyzowania wizji rozwoju miejscowości z poszanowaniem jej historycznych wartości. W artykule przedstawiono powyższe zagadnienia, a także-na podstawie dwóch wsi z terenu Opolszczyzny: Złotogłowic i Różyny-starano się pokazać różnice pomiędzy odnową a rewitalizacją wsi.

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This article presents a study of the elements of green infrastructure in villages located in peri-urban areas. The research focuses on the built-up areas of villages, which together with public and private green areas, are defined as the Cores of the Village (CoV). The research was based on the Wroclaw Functional Area (WFA). The main objective of the study was to identify which sites in a CoV have the potential to increase Green Infrastructure (GI) network connectivity and how these have changed with the development of built-up areas. These sites have been defined as Potential Green Infrastructure Elements (PeGI). The study was conducted over three time periods: the early 20th century, the early 21st century and future plans. The research revealed that, within the historic CoV areas, there existed PeGIs that communicated with external GI elements, but that such connections between PeGIs and GI elements have not been taken into account in future development plans. Furthermore, increases in the area of built-up land have not been matched by an increase in PeGI area. However, through the creation of greenways, among other things, there is potential for shaping PeGI inside a CoV in a way which would strengthen GI structural connectivity.