Table 1 List of herbaceous species with their absolute abundance (number of plants in m−2), life forms (LF), functional groups (FG), and palatability category (PC) under three invasion levels of Senna obtusifolia (L.) (NI non-invaded; LI lightly invaded, HI heavily invaded) at two locations, northern Ethiopia
Species name | Location | LF | FG | PC | |||||
|---|---|---|---|---|---|---|---|---|---|
Kafta Humera | Tsegede | ||||||||
HI | LI | NI | HI | LI | NI | ||||
Acanthospermum hispidum | 2.70 | 0.00 | 0.00 | 2.69 | 0.00 | 0.00 | A | F | UP |
Alysicarpus rugosus | 1.83 | 5.30 | 5.93 | 9.88 | 2.91 | 4.50 | A | L | LP |
Bidens pilosa | 2.00 | 4.00 | 0.00 | 1.11 | 4.00 | 0.00 | A | F | LP |
Brachiaria lata | 14.54 | 10.96 | 9.77 | 17.37 | 14.00 | 14.84 | A | G | HP |
Commelina latifolia | 3.40 | 3.60 | 0.00 | 3.45 | 3.75 | 0.00 | A | F | LP |
Commelina diffusa | 0.00 | 3.20 | 4.00 | 1.00 | 1.60 | 2.50 | A | F | LP |
Corchorus olitorius | 2.00 | 4.25 | 2.88 | 2.30 | 4.00 | 2.33 | A | F | PL |
Corchorus trilocularis | 0.00 | 1.67 | 0.00 | 0.00 | 0.00 | 2.00 | A | F | LP |
Cyperus rotundus | 0.00 | 2.00 | 4.83 | 2.00 | 2.00 | 0.00 | B | F | LP |
Digitaria ternate | 0.00 | 4.20 | 6.40 | 2.00 | 2.00 | 2.44 | A | G | PL |
Echinochloa sp. | 0.00 | 1.67 | 5.58 | 0.00 | 1.00 | 4.86 | A | G | HP |
Hibiscus esculentus | 0.00 | 1.71 | 1.43 | 0.00 | 2.55 | 2.75 | P | F | PL |
Indigofera sp. | 4.00 | 0.00 | 3.33 | 0.00 | 0.00 | 3.00 | A | L | LP |
Ipomoea purpurea | 1.00 | 2.60 | 3.77 | 1.60 | 2.63 | 4.00 | A | F | HP |
Pennisetum glabrum | 2.00 | 0.00 | 15.60 | 1.00 | 0.00 | 4.00 | A | G | LP |
Pennisetum pedicellatum | 4.00 | 8.27 | 11.96 | 0.00 | 2.33 | 10.13 | A | G | PL |
Rhynchosia malacophylla | 0.00 | 4.25 | 11.00 | 1.00 | 4.27 | 20.58 | A | L | HP |
Rhynchosia minima | 0.00 | 1.89 | 2.50 | 0.00 | 0.00 | 3.07 | A | L | HP |
Rottboellia cochinchinensis | 0.00 | 2.56 | 2.37 | 0.00 | 3.07 | 2.78 | A | G | HP |
Sorghum aethiopicum | 0.00 | 1.33 | 3.06 | 0.00 | 2.60 | 3.56 | A | G | PL |
Striga hermonthica | 2.43 | 0.00 | 0.00 | 1.78 | 0.00 | 0.00 | A | F | UP |
Xanthium abyssinicum | 2.00 | 2.09 | 0.00 | 2.29 | 2.11 | 0.00 | A | F | UP |
Zehneria scabra | 0.00 | 1.63 | 1.30 | 1.00 | 1.33 | 1.33 | A | F | PL |