Analysis of composition and density of soil seed banks of Prosopis juliflora in Afar region rangelands, Northeast Ethiopia

• We analyzed the composition and spatial variations of soil seed banks of plant species and densities of soil seed banks in Prosopis juliflora invaded and noninvaded grasslands. • Soil samples were collected from soil layers of 0 to 3, 3 to 6, and 6 to 9 cm. • The highest density of 1,037 ± 633 seedlings/m2 was recovered from a soil depth of 3 to 6 cm. But, the lowest density of 461 ± 315 seedlings/m2 was recovered from the depth of 0 to 3 cm. • In noninvaded grasslands, the lowest density of 94 ± 32 seedlings/m2 was germinated in the soil depth of 0 to 3 cm. In Prosopis juliflora grasslands at the 3 to 6 cm, the density was 519 ± 257 seedlings/m2, but 1,484 ± 1,144 seedlings/m2 was in the noninvaded grasslands at the depth of 3 to 6 cm. • Our findings have implications for recovery of rangelands after disturbances.

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