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Ptaki w pięciu obszarach chronionych Bangladeszu
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ISBN10: 6208912814
ISBN13: 9786208912819
Publisher: Wydawnictwo Nasza Wiedza
Published: Jun 17 2025
Pages: 68
Weight: 0.23
Height: 0.16 Width: 6.00 Depth: 9.00
Language: Polish
ISBN13: 9786208912819
Publisher: Wydawnictwo Nasza Wiedza
Published: Jun 17 2025
Pages: 68
Weight: 0.23
Height: 0.16 Width: 6.00 Depth: 9.00
Language: Polish
W celu oceny wplywu projektu Nishorgo Support Project (NSP) realizowanego przez Departament Leśnictwa Bangladeszu na pięc obszarów chronionych polożonych w pólnocno-wschodniej i poludniowo-wschodniej części Bangladeszu, przeprowadzono partycypacyjne badania ptaków. Badania te byly prowadzone systematycznie przez cztery lata (2005-2008). Jako wskaźniki wybrano osiem gatunków ptaków występujących glównie w lasach, a następnie oszacowano ich zagęszczenie populacji w każdym z pięciu obszarów. Porównując roczne szacunki zagęszczenia populacji w poszczególnych latach, stwierdzono, że populacja dwóch gatunków ptaków wskaźnikowych (czerwony dziki kurczak i babrowiec czubaty) żyjących w podszyciu lasu wzrosla, natomiast populacja jednego gatunku ptaków wskaźnikowych (dzioborożec orientalny) żyjącego w górnej warstwie lasu zmniejszyla się, co wskazuje, że w ciągu czterech lat podszycie lasu uleglo regeneracji, natomiast górna warstwa lasu ulegla degradacji. Gęstośc populacji pozostalych ptaków wskaźnikowych pozostala mniej więcej na niezmienionym poziomie w ciągu czterech lat. W pięciu miejscach objętych programem NSP odnotowano lącznie 225 gatunków ptaków, z czego 190 (84%) bylo gatunkami osiadlymi, a pozostale 35 (16%) to glównie gatunki migrujące. Spośród 225 gatunków 37 (17%) bylo bardzo pospolitych, 65 (29%) pospolitych, 41 (18%) rzadkich, a 82 (36%) bardzo rzadkich.
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