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management planning system for even-aged and uneven-aged forests in northeast China

Journal Articles & Books
Dezembro, 2016
China

The most common scientific approach to numerical landscape-level forest management planning is combinatorial optimization aimed at finding the optimal combination of the treatment alternatives of stands. The selected combination of treatments depends on the conditions of the forest, and the objectives of the forest landowners. A two-step procedure is commonly used to derive the plan. First, treatment alternatives are generated for the stands using an automated simulation tool.

Urban climate change-related effects on extreme heat events in Rostock, Germany

Journal Articles & Books
Dezembro, 2016
Alemanha

The urban heat island effect poses a challenge in several cities, and may affect human and ecosystem health. It was proven that relatively small urban conglomerations in mid-latitudes, such as the case study region of Rostock, have undergone a considerable effect recently, noticeable particularly in the warm season. Due to climatic changes, these effects are expected to alter in intensity and/or frequency. This was investigated using a model that focuses on interactions between land use and surface temperatures and on specific air conditions in cities.

Effect of land-use conversion on ecosystem C stock and distribution in subtropical grazing lands

Journal Articles & Books
Dezembro, 2016

BACKGROUND AND AIMS: Grazing lands worldwide are increasingly subjected to intensification to meet global demand for food; however, management practices intended to increase production can also affect ecosystem carbon (C) stocks. This study evaluated long-term (>22 years) ecosystem C responses to conversion of native grazing lands into more intensively managed silvopasture and sown pastures. METHODS: Above- and below-ground C pools in each land use type were evaluated.

effects of landscape cover on surface soils in a low density residential neighborhood in Baltimore, Maryland

Journal Articles & Books
Dezembro, 2016

Previous studies at the scale of a city have shown that surface soil nutrients, pH, and soil organic matter (SOM) can vary by land cover, land use, and management. This study was conducted in Baltimore County, Maryland, to quantify the differences in characteristics of soil in a residential neighborhood and adjacent forest patch sampling at a fine scale. The first objective was to compare soil characteristics in a residential neighborhood among ecotope types of forest, lawn, and planting beds that were underlain by the same parent material and thus only differed in plant cover.

Getting to the root of the matter: landscape implications of plant-fungal interactions for tree migration in Alaska

Journal Articles & Books
Dezembro, 2016

CONTEXT: Forecasting the expansion of forest into Alaska tundra is critical to predicting regional ecosystem services, including climate feedbacks such as carbon storage. Controls over seedling establishment govern forest development and migration potential. Ectomycorrhizal fungi (EMF), obligate symbionts of all Alaskan tree species, are particularly important to seedling establishment, yet their significance to landscape vegetation change is largely unknown.