Does harvest residue management influence biomass and nutrient accumulation in understory vegetation of Eucalyptus globulus Labill. plantations in a Mediterranean environment?

Carneiro, M.; Serrão, V.; Fabião, António; Madeira, Manuel; Balsemão, I.; Hilário, Luís

doi:10.1016/j.foreco.2008.09.027

Cited by 20 publications

(7 citation statements)

References 40 publications

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“…This may contribute to extend fertiliser effects by nutrient cycling and soil carbon accumulation. Understory biomass seemed to have stabilised in all treatments between 3 and 4 years after planting, as reported for similar eucalypt plantations in the same area by Fabião et al (2002) and Carneiro et al (2009).…”

Section: Discussionsupporting

confidence: 82%

Impact of harvest residues, fertilisers and N-fixing plants on growth and nutritional status of young Eucalyptus globulus plantations, under Mediterranean conditions

Madeira¹,

Madeira²,

Fabião³

et al. 2010

Eur J Forest Res

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Growth and nutritional status of young plants of Eucalyptus were assessed in a field trial, under different scenarios of harvest residue management and nutrient availability. Treatments were as follows: incorporation of harvest residues into the soil by harrowing (I); I with N fertiliser application (IF); I with leguminous, Lupinus luteus L., seeding (IL); removal of harvest residues (R); R with N fertiliser application (RF); R with leguminous seeding (RL); distribution of harvest residues on the soil surface (S); S with N fertiliser application (SF). Treatments were replicated four times in four blocks with a fully randomised design. Tree growth (height and diameter at breast height) was measured and understory biomass destructively recorded. Tree nutritional status was assessed by foliar analysis (N, Ca, Mg, P, K and leaf area). Significant differences in growth between I, R and S treatments were only detected at early stage. Intercropping with Lupinus decreased tree growth during the early phase, but after 5 years growth was similar to that measured in the I and R treatments. Application of fertiliser enhanced tree growth especially when harvest residues were retained on the soil surface. Combining incorporation of harvest residues with fertiliser application (IF) was the best option to increase tree growth, which was significantly greater than in the R and S. Initially, leaf N was positively affected by the leguminous (RL and IL), but, after the first fertiliser application (1 year after planting), greater N was observed in the IF, RF and SF, the difference decreasing gradually over the following years.

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Section: Discussionsupporting

confidence: 82%

Impact of harvest residues, fertilisers and N-fixing plants on growth and nutritional status of young Eucalyptus globulus plantations, under Mediterranean conditions

Madeira¹,

Madeira²,

Fabião³

et al. 2010

Eur J Forest Res

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“…Nitrogen uptake was restored to levels similar to that under the control scenario after bedding and regeneration in February 1997, which is largely attributed to the temporary regrowth of understory species (Sampson et al, in press). Although we do not have field measurements of all N compartments to verify model prediction, predicted large contribution of understory vegetation to N uptake after forest harvesting is comparable to Carneiro et al (2009) and other studies reviewed therein. We found minor differences between predicted nitrogen transformation processes under the two scenarios in and after 1999.…”

Section: Effects Of Forest Harvesting On Nitrogen Dynamicssupporting

confidence: 78%

Modeling water, carbon, and nitrogen dynamics for two drained pine plantations under intensive management practices

Tian

Youssef

Skaggs

et al. 2012

Forest Ecology and Management

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a b s t r a c tThis paper reports results of a study to test the reliability of the DRAINMOD-FOREST model for predicting water, soil carbon (C) and nitrogen (N) dynamics in intensively managed forests. The study site, two adjacent loblolly pine (Pinus taeda L.) plantations (referred as D2 and D3), are located in the coastal plain of North Carolina, USA. Controlled drainage (with weir and orifice) and various silvicultural practices, including nitrogen (N) fertilizer application, thinning, harvesting, bedding, and replanting, were conducted on the study site. Continuous collection of hydrological and water quality data were used for model evaluation. Comparison between predicted and measured hydrologic variables showed that the model accurately predicted long-term subsurface drainage dynamics and water table fluctuations in both loblolly pine plantations. Predicted mean and standard deviation of annual drainage matched measured values very well: 431 ± 217 vs. 436 ± 231 mm for D2 site and 384 ± 152 vs. 386 ± 160 mm for D3 site. Nash-Sutcliffe coefficients (NSE) were above 0.9 for drainage predictions on annual and monthly basis and above 0.86 for predictions of daily water table fluctuations. Compared to measurements in other similar studies, the model also reasonably estimated long-term dynamics of organic matter pools on forest floor and in forest soil. Predicted mean and standard deviation of annual nitrate exports were comparable to measured values: 1.6 ± 1.3 vs. 1.5 ± 1.5 kg ha À1 for D2 site, and 1.4 ± 1.3 vs. 1.3 ± 1.1 kg ha À1 for D3 site, respectively. Predicted nitrate export dynamics were also in excellent agreement with field measurements as indicated by NSE above 0.90 and 0.84 on annual and monthly bases, respectively. The model, thus successfully tested, was applied to predicted hydrological and biogeochemical responses to drainage water management and silvicultural practices. Specifically, the model predicted reduced rainfall interception and ET after clear cutting, both of which led to increased water yield and elevated water table, as expected. The model also captured temporary changes in nitrogen transformations following forest harvesting, including increased mineralization, nitrification, denitrification, and decreased plant uptake. Overall, this study demonstrated that DRAINMOD-FOREST can predict water, C and N dynamics in drained pine forests under intensive management practices.Published by Elsevier B.V.

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“…Our estimates of the quantity of biomass present in the Eucalyptus understory are somewhat higher than those recorded in a Mediterranean Eucalyptus plantation by Carneiro et al (2007), although the volume of litter was comparable to that measured in a Mediterranean Eucalyptus plantation (Carneiro et al, 2009); meanwhile the volume of litter in the Acacia plantation was greater than that estimated by Inagaki et al (2010) for a tropical Acacia plantation. This result emphasized the significance of the secondary biomass in Eucalyptus and Acacia plantations in subtropical climate area.…”

Section: Biomass Production Partition and Dynamiccontrasting

confidence: 71%

Biomass and carbon storage of Eucalyptus and Acacia plantations in the Pearl River Delta, South China

Zhang

Guan

Song

2012

Forest Ecology and Management

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Does harvest residue management influence biomass and nutrient accumulation in understory vegetation of Eucalyptus globulus Labill. plantations in a Mediterranean environment?

Cited by 20 publications

References 40 publications

Impact of harvest residues, fertilisers and N-fixing plants on growth and nutritional status of young Eucalyptus globulus plantations, under Mediterranean conditions

Impact of harvest residues, fertilisers and N-fixing plants on growth and nutritional status of young Eucalyptus globulus plantations, under Mediterranean conditions

Modeling water, carbon, and nitrogen dynamics for two drained pine plantations under intensive management practices

Biomass and carbon storage of Eucalyptus and Acacia plantations in the Pearl River Delta, South China

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