Original ResearchPublished 11 September 2026Estimation of stem volume and tree structural attributes using backpack LiDAR: effects of leaf-on and leaf-off conditionsCan Vatandaslar · Ivan Sačkov · Vlastimil Murgaš · Jozef Pajtík · Mustafa ZeybekFrontiers in Forests and Global Changedoi 10.3389/ffgc.2026.1886496