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ISBN10: 620617199X
ISBN13: 9786206171997
Publisher: Wydawnictwo Nasza Wiedza
Published: Apr 28 2025
Pages: 56
Weight: 0.19
Height: 0.13 Width: 6.00 Depth: 9.00
Language: Polish
ISBN13: 9786206171997
Publisher: Wydawnictwo Nasza Wiedza
Published: Apr 28 2025
Pages: 56
Weight: 0.19
Height: 0.13 Width: 6.00 Depth: 9.00
Language: Polish
Przestrzenna ewolucja pokrywy roślinnej na obrzeżach PNSO jest analizowana przy użyciu trzech zdjęc satelitarnych wykonanych w różnych terminach w okresie 30 lat od 1990 roku. Zdjęcie satelitarne z 1990 r. pokazuje, że powierzchnia roślinności wynosi 57722 ha, powierzchnia strefy zdegradowanej wynosi 26178 ha. Powierzchnia strefy rolniczej wynosi 8619 ha. Jednak do 2022 r. powierzchnia gruntów rolnych i nieużytków wzrośnie odpowiednio o 3 2017 ha i 2 593 ha. Powierzchnia roślinności zmniejszy się o 15462 ha. Wedlug naszych badań terenowych presja demograficzna jest zróżnicowana, przy czym opady deszczu stanowią 44% czynników wplywających na wydajnośc wypasu, rolnictwo 34%, a dzialalnośc pasterska i pożary buszu odpowiednio 21% i 1%. Badania 148 gospodarstw domowych, odpowiadających jednostkom produkcyjnym. Skupiając się na strukturach gospodarstw rolnych, wywiady koncentrowaly się na ogólnej charakterystyce jednostek produkcyjnych, użytkowaniu gruntów i wlasności gruntów oraz systemach produkcji.
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