Biological and economic potentials of Eucalyptus grandis and slash pine as biomass energy crops

Rockwood, D. L.; Dippon, D.R.

doi:10.1016/0144-4565(89)90056-5

Cited by 11 publications

(2 citation statements)

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“…20 m x 20 m), and hence cannot be considered as representative of per ha C stock levels of E. grandis over extensive areas. On the other hand, there were some extremely low C stock values reported from literature (DeBell et al, 1985;Rockwood & Dippon, 1989;Hunter, 2001). This was primarily because of the younger age of these individual plantations.…”

Section: Distribution Of C Stocks In Forest Plantations Of Different mentioning

confidence: 90%

Estimation of carbon stocks in the forest plantations of Sri Lanka

Costa¹,

Suranga

2012

J. Natn. Sci. Foundation Sri Lanka

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Forest plantations have the ability to sequester carbon in their biomass and reduce the rate of increase of atmospheric carbon dioxide. Therefore, plantation forestry forms an important option for mitigating global warming and consequent climate change. The objective of the present study was to estimate the biomass and carbon stocks of the existing forest plantations in Sri Lanka. Height and diameter measurements of the trees at breast height from 22 monocultures and 51 mixed-cultures, established and maintained by the Forest Department, were obtained from the FORDATA data base and used to calculate the existing carbon stocks using allometric relationships.The total estimated monoculture C stock in 2008 amounted to 4.23 million metric tons in an area of 57618.8 ha. Around 89% of this total C stock in monocultures is contributed by five tree species, namely, Pinus caribaea (44%), Tectona grandis (21%), Eucalyptus grandis (11%), Eucalyptus camaldulensis (7%) and Swietenia macrophylla (6%), occupying 92% of the area. Total C stock in mixed cultures in 2008 amounted to 0.681 million tons in 5949.6 ha. Five mixed cultures, i.e. Eucalyptus robusta and E. grandis (17%), Pinus mixed (13%), E. grandis and E. microcorys (12.5%), Eucalyptus mixed (7%) and Acacia mangium and A. auriculiformis (5%), contributed to 55% of this C stock. Monocultures, which showed the highest per ha C stocks were Pinus caribaea in Badulla (205 t ha ) and Eucalyptus grandis in Ratnapura (197 t ha -1 ) and Nuwara Eliya (168 t ha -1 ). Mixed plantations of Acacia decurrens and different species of Eucalyptus grown in Nuwara Eliya showed the highest combined per ha C stocks ranging from 226 -279 t ha -1 . The maximum per ha C stock in some of the Sri Lankan forest plantations in different climatic zones were either on par or above the benchmark average C stock values specified by the IPCC for the respective climatic zones. Age distribution of the monoculture C stocks showed that the highest percentage (i.e. 39%) was in the 21-30 year plantations, followed by the 31-40 year plantations (32%).

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Section: Distribution Of C Stocks In Forest Plantations Of Different mentioning

confidence: 90%

Estimation of carbon stocks in the forest plantations of Sri Lanka

Costa¹,

Suranga

2012

J. Natn. Sci. Foundation Sri Lanka

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“…Short Rotation Woody Crop (SRWC) systems can maximize eucalypt productivity for such uses [8,23,25,30,33,[50][51][52][53][54][55][56][57][58][59][60][61][62][63][64][65][66]. Due to their easy propagation, rapid growth, tolerance to high stand density, response to intensive culture, and coppicing, E. grandis ( Figure 7) and E. amplifolia in SRWCs can produce up to 67 green mt ha −1 yr −1 in multiple rotations as short as three years in Florida.…”

Section: Usesmentioning

confidence: 99%

History and Status ofEucalyptusImprovement in Florida

Rockwood

2012

International Journal of Forestry Research

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Cooperative formed to provide additional support emphasized E. grandis, E. robusta, E. camaldulensis, and E. tereticornis and developed cultural practices for commercial plantations in southern Florida. In 1978, this cooperative united with the Hardwood Research Cooperative at North Carolina State University until 1985 when the 14-year effort ended after three severe freezes from 1983 to 1985. Eucalyptus planting and research were continued with a Florida-wide focus by the University of Florida and collaborators starting in 1980. The collective accomplishments in terms of genetic resources and commercial planting are summarized. For example, fast-growing, freeze-resilient E. grandis seedlings are produced by advanced generation seed orchards, five E. grandis cultivars are commercially available, as are E. amplifolia and Corymbia torelliana seeds. Genetic improvement of these and other species is ongoing due to beneficial collaborations. Short Rotation Woody Crop systems are promising for increasing productivity and extending uses beyond conventional pulpwood to applications such as windbreaks, dendroremediation, and energy wood.

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ChemInform Abstract: Hydrothermal Degradation and Fractionation of Saccharides and Polysaccharides

Bobleter

1998

ChemInform

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Biological and economic potentials of Eucalyptus grandis and slash pine as biomass energy crops

Cited by 11 publications

References 1 publication

Estimation of carbon stocks in the forest plantations of Sri Lanka

Estimation of carbon stocks in the forest plantations of Sri Lanka

History and Status ofEucalyptusImprovement in Florida

ChemInform Abstract: Hydrothermal Degradation and Fractionation of Saccharides and Polysaccharides

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