نتایج جستجو برای: stand density index sdi
تعداد نتایج: 819852 فیلتر نتایج به سال:
Presumably, hedge fund managers pursue unique strategies because they have great new ideas and superior investment skills, while less skilled managers are more likely to herd and follow publicly known investment ideas. For investors, knowing how innovative and skillful their managers are is thus extremely important but very difficult because of the opaque nature of hedge fund operations. In thi...
OBJECTIVE To study the effect of peritoneal fluid (PF) from healthy women and from women with endometriosis on sperm DNA and its relationship to sperm morphology as assessed by the sperm deformity index (SDI). DESIGN Experimental study. SETTING Research laboratory at an academic hospital. PATIENT(S) Healthy women undergoing laparoscopic tubal ligation and women with endometriosis. INTER...
Due to the recent appearance of shares socioeconomic pathway (SSP) scenarios, there have been many studies that compare results between Coupled Model Intercomparison Project (CMIP)5 and CMIP6 general circulation models (GCMs). This study attempted project future drought characteristics in Cheongmicheon watershed using SSP2-4.5 Australian Community Climate Earth System Simulator-coupled model (A...
Spatial Data Infrastructure (SDI) development is widely known to be a challenging process owing to its complex and dynamic nature. Although great effort has been made to conceptually explain the complexity and dynamics of SDIs, few studies thus far have actually modeled these complexities. In fact, better modeling of SDI complexities will lead to more reliable plans for its development. A state...
Spatial Data Infrastructure (SDI) development is widely known to be a challenging process owing to its complex and dynamic nature. Although great effort has been made to conceptually explain the complexity and dynamics of SDIs, few studies thus far have actually modeled these complexities. In fact, better modeling of SDI complexities will lead to more reliable plans for its development. A state...
BACKGROUND A better understanding of the relationship between stand structure and productivity is required for the development of: a) scalable models that can accurately predict growth and yield dynamics for the world's forests; and b) stand management regimes that maximize wood and/or timber yield, while maintaining structural and species diversity. METHODS We develop a cohort-based canopy c...
The western pine beetle, Dendroctonus brevicomis LeConte (Coleoptera: Curculionidae: Scolytinae), is a major cause of ponderosa pine, Pinus ponderosa Dougl. ex Laws., mortality in much of western North America. This study was designed to quantify relationships between western pine beetle trap catches [including those of its primary invertebrate predator Temnochila chlorodia (Mannerheim) (Coleop...
Knowledge of the decay trend of dead trees and site factors affecting their functions, plays an important role in the development of conservation management plans in forestry projects. This research was conducted in Asalem beech forests in northern Iran to assess the impact of physiographic features of the site on the process of dead trees decay. A total of 90 sample cuts of dead beech stumps w...
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