نتایج جستجو برای: plot size

تعداد نتایج: 583192  

Journal: :Nature Physics 2014

2016
Shaun R. Levick Dominik Hessenmöller E-Detlef Schulze

BACKGROUND Monitoring and managing carbon stocks in forested ecosystems requires accurate and repeatable quantification of the spatial distribution of wood volume at landscape to regional scales. Grid-based forest inventory networks have provided valuable records of forest structure and dynamics at individual plot scales, but in isolation they may not represent the carbon dynamics of heterogene...

2004
Alexander Friedman Jamie Raymond

We present PLTplot, a plotting package for PLT Scheme. PLTplot provides a basic interface for producing common types of plots such as line and vector field plots from Scheme functions and data, an advanced interface for producing customized plot types, and support for standard curve fitting. It incorporates renderer constructors, transformers from data to its graphical representation, as values...

1999
Martin A. Spetich George R. Parker

We examine the relationship between disturbance regime and plot size for woody biomass estimation in a midwestern old-growth deciduousforestfrom 1926 to 1992. Analysis was done on the core 19.6 ac of a 50. I ac forest in which every tree 4 in. dbh and greater has been tagged and mapped since 1926. Five windows of time are compared-1926, 1976, 1981, 1986 and 1992. The most ejficient plot sizes r...

2014
B. Chandrasekhara Rao

The aim of the current study was to design an self-nanoemulsified drug delivery system (SNEDDS) of docetaxel by optimizing the particle size using response surface methodology. SNEDDS were prepared using surfactant, co-surfactant and oils/co-solvents. A IV optimal design for 3 factors at 3-level each was employed systematically optimize particle size. The particle size was taken as dependent va...

Journal: :CoRR 2010
Madhur Srivastava Prateek Katiyar Yashwant Yashu Satish Kumar Singh Prasanta K. Panigrahi

b Indian Institute of Science Education and ResearchKolkata, Mohanpur Campus, Mohanpur 741252, West Bengal, India ______________________________________________________________ ABSTRACT An algorithm is proposed for the segmentation of image into multiple levels using mean and standard deviation in the wavelet domain. The procedure provides for variable size segmentation with bigger block size a...

Journal: :Environmental monitoring and assessment 2014
Leila G Lackey Eric D Stein

Accurate estimates of the extent and distribution of wetlands and streams are the foundation of wetland monitoring, management, restoration, and regulatory programs. Traditionally, these estimates have relied on comprehensive mapping. However, this approach is prohibitively resource-intensive over large areas, making it both impractical and statistically unreliable. Probabilistic (design-based)...

This study was carried out to investigate the effect of crown canopy of Pistacia atlantica, Amygdalus scoparia and A. eburnea species on seed bank density (size). Ten individuals of each species were selected and one plot under and another plot outside of the crown canopy of each species were established. In each plot, soil sampling was done from 0-5 and 5-10 cm depths. The soil seeds were id...

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