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Displaying 836 - 840 of 1605investigation into the effects of an emissions trading scheme on forest management and land use in New Zealand
An econometric-process simulation model was constructed to investigate the effects of an Emissions Trading Scheme (ETS) on forest management and land use in New Zealand. Profit maximising agents which choose between forestry and agricultural land uses were simulated under carbon price scenarios of $20, $50 and $0 per tonne CO₂ equivalent. The model suggests that an ETS will lead to increased afforestation and rotation age, and decreased silviculture and deforestation.
Spatial variability of soil CO₂ efflux linked to soil parameters and ecosystem characteristics in a temperate beech forest
The aim of this study was to determine the amplitude and the driving factors of the spatial variability in soil CO₂ efflux in a young European beech forest. Soil CO₂ efflux was measured in 2003 and 2004 in seven beech plots differing in terms of soil type and leaf area index. After eliminating temporal fluctuations due to soil temperature and soil water content, standardized soil CO₂ efflux varied significantly among plots over a large range given the homogeneity of the land cover type.
Dynamics of fractionated P and P budget in soil under different land management in two Tanzanian croplands with contrasting soil textures
Phosphorus deficiency is one of the largest constraints to crop production in tropical African soils owing to low native soil P and the high P fixation capacity of highly weathered soils. To achieve better soil P management, it is necessary to evaluate the effects of land management on soil P dynamics and P budget. We conducted a 4-year cultivation experiment in two dry tropical croplands in Tanzania at two sites with contrasting soil textures, viz. clayey and sandy.
Reformulation and assessment of the inventory approach to urban growth boundaries
Based on the theoretical framework, in this article we demonstrate how Decision Network can be used to formulate the inventory approach to urban growth boundaries (UGBs) as an application of the planning tool to a general case. In particular, in the inventory approach expansions of UGBs are considered as decision situations, land consumptions as problems, and order sizes of UGBs as solutions. We compare the time- and event-driven systems of the inventory control problem based on the decision network framework.
Cape York Peninsula, Australia: A frontier region undergoing a multifunctional transition with indigenous engagement
Within Australia’s tropical savanna zone, the northernmost frontier regions have experienced the swiftest transition towards multifunctional occupance, as a formerly flimsy productivist mode is readily displaced by more complex modes, with greater prominence given to consumption, protection and Indigenous values. Of these frontier regions, Cape York Peninsula has become the focus for increasingly entrenched, complex contests about regional futures, with the transition towards complex multifunctionality demonstrated in the 1970, 1990 and 2010 tenure maps.