نتایج جستجو برای: afforestation

تعداد نتایج: 1463  

2005
Ana Isabel Queiroz

Mountain landscapes have changed drastically during the 20th century. The knowledge of changing patterns and processes is currently considered a key element for conservation and management. This integrative study combines different data sources, methodologies and representations that contribute to the history of common property land in Leomil highlands (Beira Alta, Portugal). The evaluated mate...

Journal: :Journal of the Japanese Society of Revegetation Technology 1993

Journal: :Ukrainian Journal of Forest and Wood Science 2020

Journal: :International Journal for Innovation Education and Research 2019

2005
S. Lorentz W. - A. Flügel

Wetlands are very sensitive to ecosystem changes, so integrated analyses and modeling of their process dynamics as well as their interaction with other hydrologic and ecological components provide valuable information for impact assessment. However, since wetland processes are complex, research methods aiming to improve the understanding of wetland dynamics in a landscape perspective must compr...

2001
Bruce A. McCarl Brian C. Murray Uwe A. Schneider

We use a net present value framework to examine the impact of non-permanence on the economics of land-based biological carbon sequestration. Contingent on assumptions about discount rates, management, and carbon prices trajectories, and payment contract design, we find the adjusted value of carbon sequestration relative to permanently available emission offsets to be between 38 and 55 percent f...

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