The Effect of Leaf Litter on Surface Soil Properties of the Jarrah Forest

Wallace, W. R.; Hatch, A. B.

doi:10.1080/00049158.1952.10675285

Cited by 7 publications

(5 citation statements)

References 2 publications

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“…The soil C:N ratio in all of the burn treatments was less than 20:1, which is comparable to levels recorded for unmined forest in the current study but considerably lower than the ratios of 35-45:1 previously recorded in the jarrah forest (Wallace and Hatch, 1952;Todd et al, 2000). The high proportion of litterfall from leguminous species in rehabilitated areas that have a high concentration of N and other nutrients predispose them to rapid decomposition (Hingston, 1980).…”

Section: Pre-1988 Rehabilitationsupporting

confidence: 79%

Long-term impact of prescribed burning on the nutrient status and fuel loads of rehabilitated bauxite mines in Western Australia

Morley

Grant

Hobbs

et al. 2004

Forest Ecology and Management

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Section: Pre-1988 Rehabilitationsupporting

confidence: 79%

Long-term impact of prescribed burning on the nutrient status and fuel loads of rehabilitated bauxite mines in Western Australia

Morley

Grant

Hobbs

et al. 2004

Forest Ecology and Management

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“…Pomaderris has a nutrient content not unlike that of some American species of Fraxinus and Quercus. The total weight of nutrients returned by E. regnans forests is similar to an average for several American conifers (Lutz and Chandler (Webb et al 1969), but is two to six times as great as that of dry sclerophyll forests of E. marginata in Western Australia (Wallace and Hatch 1955), and 1 .3-2 3 times that of the dry sclerophyll forests of E. obliqua in Victoria (Attiwill 19663). The weights of nutrients returned in the annual litter fall are given in Table 7.…”

Section: Nutrient Returnmentioning

confidence: 53%

“…The ratio for E. marginata in dry sclerophyll forest soils in Western Australia is, however, three times this (Wallace andHatch 1952, 1955).…”

Section: Carbon/nitrogen Ratiomentioning

confidence: 87%

Studies of Litter in Eucalyptus regnans Forests

Ashton¹

1975

Aust. J. Bot.

165

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The litter of Eucalyptus regnans forests forms a mull humus, and leaf material is readily incorporated into the topsoil. The annual litter fall is high by world standards, averaging 7.66 tonneslha. The amount of bark and twig fall and the contribution of the understorey to the total litter are also comparatively high. The annual leaf fall in even-aged stands is in the order of spar stage > mature > pole stage. The maximum fall at 40-50 years coincides with the culmination of annual growth increment. Leaf fall is at a maximum in summer and early autumn and at a minimum in winter and early spring. The nutrient return by the total litter is fairly high, although bark and wood have low nutrient contents. The understorey of Pornaderris aspera contributes much of the calcium return. Leaf litter decays and disintegrates within 12-18 months, but bark and wood tends to accumulate on the floor. Crustaceans, millipedes and earthworms contribute to the incorporation of leaf material. Their number fluctuates seasonally, locally and between stands. Lyrebirds are important 'cultivators' of the forest floor and litter may be buried once every two years. Rapid nutrient turnover, high rainfall and excellent soil structure are favourable for high growth rates of these forests.

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“…In the classification of Specht (1970) these are referred to as open forest and tall open forest, respectively. The amounts of litter fall (Wallace & Hatch 1952;Hatch 1955;O'Connell et al 1979a) and nutrient content of litter on the forest floor (O'Connell et al 1978) have been reported for jarrah forest. In karri forest estimates have been made of weights of litter falling annually in mature and pole stands (Stoate 1958), the rates of litter accumulation (Peet 1971) and the nutrient content of litter on the forest floor (Hingston et al 1979).…”

Section: Introductionmentioning

confidence: 99%

Litter fall and nutrient cycling in karri (Eucalyptus diversicolor F. Muell.) forest in relation to stand age

O’Connell

Menagé

1982

Australian Journal of Ecology

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Annual litter fait, nutrient concentrations in litter components and annual weight of nutrients in litter fall have been estimated for karri forest stands aged 2, 6, 9 and 40 years and in mature forest. The weight of litter falling annually increases with stand age, ranging from 1.13 tiha in 2-year-otd regeneration to 9.45 tIha in mature forest. This increase is due mainty to greater amounts of twigs, bark and fruit falling in older stands. Leaf fait is relatively independent of stand age once the canopy of regenerating stands closes and the understorey has developed.Concentrations of N, P, K, S and Mn in karri leaf litter differ significantly between sites and the differences appear to be related to stand age. Highest levets of these etements are found in karri leaf litter from the youngest stand and the concentrations decrease with increasing stand age. The amounts of annual litter fall and of nutrients cycling in litter are among the largest reported for Australian forests. In particular cycling ofCa, K and Mg in mature karri forest is greater than has been reported for any other eucalypt forest. Karri forest understorey ptays a key rote in nutrient cycting in these ecosystems, contributing 30-70% of the weight of many of the nutrients in the leaf component of titter. Understorey leaf material is particularly important in the cycling of N, S and the micro-nutrients Cu and Zn.

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The Effect of Leaf Litter on Surface Soil Properties of the Jarrah Forest

Cited by 7 publications

References 2 publications

Long-term impact of prescribed burning on the nutrient status and fuel loads of rehabilitated bauxite mines in Western Australia

Long-term impact of prescribed burning on the nutrient status and fuel loads of rehabilitated bauxite mines in Western Australia

Studies of Litter in Eucalyptus regnans Forests

Litter fall and nutrient cycling in karri (Eucalyptus diversicolor F. Muell.) forest in relation to stand age

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