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Table 1 Characteristics of the five altitudinal gradients of the studied scattered tree on farmland in the Western zone of Tigray, Northern Ethiopia

From: Carbon stock potential of scattered trees on farmland along an altitudinal gradient in Tigray, Northern Ethiopia

Characteristics Elevation (m a.s.l)
2500–3000 2000–2500 1000–1500 1500–1000 1000–500
Slope (Min-Max %) 2–30 2–30 0–30 0–30 0–30
Farming system Mixed Mixed Mixed Mixed Mixed
Major crop type Wheat (Triticum aestivum), Barley (Hordeum vulgare), Teff (Eragrostis tef) Wheat (Triticum aestivum), Barley (Hordeum vulgare), Teff (Eragrostis tef) Sesame (Sesamum indicum), sorghum (Sorghum bicolor) Sesame (Sesamum indicum), sorghum (Sorghum bicolor), cotton (Gossypium) Sesame (Sesamum indicum), sorghum (Sorghum bicolor), cotton (Gossypium)
Annual temp (Min-Max). 5.90–22.53 °C 11.63–30.16 °C 17.78–32.31 °C 22.32–35.27 °C 25.05–42.52 °C
Annual rainfall 2316 mm 1380 mm 653 mm 615 mm 609 mm
Major soil type Nitosol and Leptosol Nitosol, Leptosol and Luvisols Leptosol and Luvisols Leptosol and Luvisols Vertisol, Cambisol and Luvisols
Dominant trees and/or shrubs species Acacia abyssinica subsp. abyssinica, Maytenus arbutifolia and Eucalyptus camaldulensis Cordia africana, Ficus sycomorus and Croton macrostachyus Diospyros mespiliformis, Anogeissus leiocarpus and Acacia bussei Boswellia papyrifera, Balanites aegyptiaca and Dalbergia melanoxylon Pterocarpus leucens, Ziziphus spinachristi and Combretum sp.