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Articles containing the keyword 'protected areas'

Category : Research article

article id 23009, category Research article
Abubakari H. Munna, Nyambilila A. Amuri, Proches Hieronimo, Dino A. Woiso. (2023). Modelling ecological niches of Sclerocarya birrea subspecies in Tanzania under the current and future climates. Silva Fennica vol. 57 no. 3 article id 23009. https://doi.org/10.14214/sf.23009
Keywords: climate change; conservation; GIS; agroforestry; domestication; MaxEnt; protected areas network
Highlights: Tanzania harbors ecological niches of Sclerocarya birrea (S. birrea) subsp. caffra, multifoliata and birrea in the eastern, southern-central-northern, and northeastern part of the country, covering 184 814 km2, 139 918 km2 and 28 446 km2 of Tanzania’s land area, respectively; Ecological niches will contract under future warming climates; Currently, significant parts of ecological niches for Sclerocarya birrea subspecies are beyond Tanzania’s protected areas network.
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article id 10515, category Research article
Alwin A. Hardenbol, Anton Kuzmin, Lauri Korhonen, Pasi Korpelainen, Timo Kumpula, Matti Maltamo, Jari Kouki. (2021). Detection of aspen in conifer-dominated boreal forests with seasonal multispectral drone image point clouds. Silva Fennica vol. 55 no. 4 article id 10515. https://doi.org/10.14214/sf.10515
Keywords: Populus tremula; deciduous trees; mixed forest; protected areas; tree species classification; unmanned aerial vehicles
Highlights: Four boreal tree species (Scots pine, Norway spruce, birches and European aspen) classified with an overall accuracy of 95%; Presence of European aspen detected with excellent accuracy (UA: 97%, PA: 96%); Late spring is the best time for species classification by remote sensing; Best time to separate aspen from birch was when birch had leaves, but aspen did not.
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