Research Article

Litter Production, Decomposition, and Nutrient Release in Subalpine Forest Communities of the Northwest Himalaya

Table 1

Geography and soil characteristics of selected stands in subalpine region.

ParametersForest stands
Acer-Rhododendron Quercus-Quercus Abies-Quercus Rhododendron-Sorbus
(PAR)(PQQ)(PAQ)(PRS)

Mean elevation (m asl)3265329333043383
Location30°28′03′′–30°28′08′′ N 79°20′35′′–79°20′46′′ E30°28′29′′–30°28′32′′ N 79°21′10′′–79°21′20′′ E30°28′25′′–30°28′33′′ N 79°21′30′′–79°21′39′′ E30°28′19′′–30°28′25′′ N 79°20′59′′–79°21′01′′ E
AspectNorthSouthSouth-EastSouth
Forest typeMoist temperate Moist temperateMoist temperateMoist temperate
Semievergreen EvergreenEvergreenSemievergreen
Species richness
 Woody species4244
 Herbaceous species91089
Density (ha−1)
 Woody species7506906401,260
 Herbaceous species76,00071,00056,000111,000
Dominant species*Acer caesium(54.67), Rhododendron arboreum(37.33)Quercus floribunda (96.87) Abies spectabilis(47.83), Quercus semecarpifolia (49.27)Rhododendron campanulatum(79.44),
Sorbus microphylla(18.18)
Other associated speciesLitsea elongata,Taxus baccata Quercus semecarpifolia Quercus floribunda, Taxus baccata Betula utilis, Taxus baccata
Soil#
 Soil textureSandy loamLoamSandy loamLoam
 Soil colourReddish brownBrownDark brownBrown to dark brown
 Soil moisture (%)55.41 ± 6.0748.78 ± 7.3849.67 ± 6.1651.37 ± 6.80
 WHC (%)69.44 ± 5.2666.58 ± 6.8769.47 ± 7.0970.87 ± 6.49
 pH6.65 ± 0.296.66 ± 0.226.45 ± 0.436.66 ± 0.15
 N (%)0.69 ± 0.130.58 ± 0.150.59 ± 0.230.52 ± 0.15
 P (Kg ha−1)13.33 ± 5.7913.47 ± 3.2910.87 ± 2.8610.12 ± 3.73
 K (Kg ha−1)245.10 ± 26.66233.00 ± 28.59249.81 ± 25.64251.46 ± 20.73
 OC (%)1.99 ± 0.302.30 ± 0.322.26 ± 0.442.19 ± 0.24

Values in parenthesis are percent of total stand density, #±-S.E., = 8.