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COMPARISON OF THE SPATIAL STRUCTURE OF MUNICIPALITIES IN NEED FOR AFFORESTATION IN THE YEAR 1980 IN POLAND WITH THE AREA OF LAND UNDER FOREST COVER IN 2016

Jan Siuta 1  ,  
 
1
Instytut Ochrony Środowiska – Państwowy Instytut Badawczy, ul. Krucza 5/11, 00-548 Warszawa
Inż. Ekolog. 2017; 5:40–57
Publish date: 2017-10-01
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ABSTRACT:
The structure of agro-forest space in Poland is faulty, especially in the central-eastern part of Poland. This is most evident when compared to the quality of the spatial structure of the soil cover. The poorest sandy soils make up quite good forest habitats, whereas under agricultural use, they are easily transformed into moving sands, including sand dunes. On the basis of indices which valuate the agricultural production area – the areas of very weak and weak rye soils (inefficient agricultural land) – and forest cover – the indicators of forest cover deficiency and optimum forest cover – were calculated, and the map in the scale 1: 1 000 000 "Poland – needs for afforestation", presenting the country divided into municipalities, was published in 1980. In 2016, based on the land registration data, a current forest cover map was compiled in order to compare it with the optimal forest cover in 1980. Owing to the volume of numerical data, a comparative analysis was performed for certain municipalities in the following voivodships: 1) Mazowieckie and Lodzkie with a considerable deficiency of woodland, 2) Kieleckie with a relative scarcity of forest cover, 3) Lubuskie and Pomorskie with a very extensive forest cover and Warmińsko-Mazurskie with an extensive forest cover. The spatial structure of the forest cover increase between the years 1980-2016 was presented in a large number of municipalities in six voivodeships. It was found that despite the implementation of national forest extension programs between the years 1980 and 2016, there was only slight a increase in forest cover in the areas with a very large forest deficiency. On the other hand, there was a significant increase in forest cover in the areas with an optimal forest cover.
CORRESPONDING AUTHOR:
Jan Siuta   
Instytut Ochrony Środowiska – Państwowy Instytut Badawczy, ul. Krucza 5/11, 00-548 Warszawa
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