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Displaying 671 - 675 of 1605Social availability of residual woody biomass from nonindustrial private woodland owners in Minnesota and Wisconsin
An important and potentially underused source of biomass that could be utilized in energy production is from nonindustrial private woodlands. We employ the Theory of Planned Behavior to estimate the social availability of woody biomass as a function of landowner behavior intent, landowner characteristics, forest land characteristics, and biomass price on stated willingness to harvest biomass in conjunction with a commercial timber harvest.
Plant phenology as affected by land degradation in the arid Patagonian Monte, Argentina: A multivariate approach
In recent years, there has been an increasing interest in the study of climate change effects on plant phenology. However, the effects of other more localized components of global change such as land degradation have been almost completely ignored. In this paper we evaluate the phenological patterns of 10 plant species at three sites with contrasting levels of land degradation due to overgrazing in the Patagonian Monte, Argentina, and their relationship with plant morphology, browsing intensity, and plant competition.
Territorial user rights for artisanal fisheries in Chile – intended and unintended outcomes
Granting property rights in fisheries is assumed to provide incentives for sustainable resource exploitation. These rights might also open other income options for fishers, including some that go beyond the original objectives intended by authorities establishing the right. The opportunity for alternative uses is especially high if the details of these rights are not clearly identified.
Vegetation and climate of Anatolia and adjacent regions during the Last Glacial period
Reinterpretation of vegetation and climatic conditions of Anatolia and neighboring regions during Last Glacial (30–15 cal ka BP) have been done using a non-quantitative biomization approach based on previously published plant functional types. The results suggest that the climate was cold and humid before ∼25 cal ka BP and also during the period ∼23–19 cal ka BP (except East Anatolia). Forest vegetation was 80–90% of the land cover in the northwestern Anatolia and Black Sea coast, and 50–60% along the Mediterranean coast at the same period.
Spatial distribution of greenhouse gas concentrations in arid and semi-arid regions: A case study in East Asia
Land degradation and global warming are currently highly active research topics. Land degradation can both change land cover and surface climate and significantly influence atmospheric circulation. Researches have verified that carbon dioxide (CO₂) and methane (CH₄) are major greenhouse gases (GHG) in the atmosphere and are directly affected by human activity. However, to date, there is no research on the spatial distribution of GHG concentrations and also no research on how land degradations affect GHG concentrations in arid and semi-arid regions.