Table 2: Density (#/ha) of shrub and cactus species prior to burning, May 1995 (PRE), one month post burn, July 1995 (POST95), and one year post burn, July 1996 (POST96), on burned (B) and control (C) sites on Fort Bliss Military Reservation, Otero County, New Mexico.

SpeciesPREPOST95POST96
BCBCBCBurnTime

Atriplex 1 20.4 21.3 2.8 24.1 0.9 18.5.075.099
canescensSE 6.0 8.5 2.0 12.9 0.9 11.0
Flourensia 1000.0 790.7219.4 A 851.9 B263.0 A 794.4 B 2
cernuaSE 318.4 241.2 99.1 258.2107.5 248.8
Larrea 3050.02735.2482.42685.2781.82779.6 .001.032
tridentataSE 248.8 194.0130.3 230.4203.6 269.7
Parthenium 102.8 64.8 26.9 61.1 61.1 55.6.746.131
incanumSE 58.8 51.1 14.8 48.4 32.2 42.9
Prosopis 17.5 25.0 6.5 18.5 2.8 22.2.1481.000
glandulosaSE 5.2 12.3 3.1 8.2 1.4 10.5
Opuntia 3 316.7 169.4 40.2 A 220.9 B 46.7 A 174.6 B 2
leptocaulisSE 5.9 27.8 17.9 24.8 21.0 20.1
Opuntia 131.5 153.7 39.8 183.3 38.1 145.4.019.222
macrocentraSE 35.6 67.9 10.7 77.9 10.8 54.2
Opuntia 3 388.9 193.5 97.3 A 229.6 A141.9 A 201.8 A 2
polyacanthaSE 108.6 41.0 32.9 52.2 41.6 38.4
Yucca 40.7 55.6 27.8 52.8 17.3 52.8.041.242
elataSE 16.9 23.0 18.3 21.6 11.1 23.4

1Data rank transformed. Raw means presented.
2Treatment time interaction ( ). Means followed by same letter within years are not different ( ).
3May 1995 results used as a covariate for postburn comparisons due to pre-treatment effects ( ). Covariate adjusted means presented.
4Data square-root transformed. Raw means presented.