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Estimating Current Forest Attributes from Paneled Inventory Data Using Plot-Level Imputation: A Study from the Pacific Northwest.
Eskelson, Bianca N.I.; Temesgen, Hailemariam; Barrett, … - 2009
sample and therefore the precision of the estimations for any given year is low. To achieve higher precision, the Forest …
Persistent link: https://www.econbiz.de/10009429483
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Estimating Current Forest Attributes from Paneled Inventory Data Using Plot-Level Imputation: A Study from the Pacific Northwest.
Eskelson, Bianca N.I.; Temesgen, Hailemariam; Barrett, … - 2009
sample and therefore the precision of the estimations for any given year is low. To achieve higher precision, the Forest …
Persistent link: https://www.econbiz.de/10009429485
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Implementing the measurement interval midpoint method for change estimation.
Westfall, James A.; Frieswyk, Thomas; Griffith, Douglas M. - 2009
The adoption of nationally consistent estimation procedures for the Forest Inventory and Analysis (FIA) program …
Persistent link: https://www.econbiz.de/10009429527
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Estimating the quadratic mean diameter of fine woody debris for forest type groups of the United States.
Woodall, Christopher W.; Monleon, Vicente J. - 2009
technique known as the graphical estimation (GE) method for estimating FWD QMDs for major forest types across the United States …. Results indicate that the GE method, along with adaptations proposed in this study, allows for rapid estimation of FWD QMDs …
Persistent link: https://www.econbiz.de/10009429473
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Systematic sampling of discrete and continuous populations: sample selection and the choice of estimator.
Valentine, Harry T.; Affleck, David L.R.; Gregoire, … - 2009
best choice. Restricted selection affords estimation of attribute totals for a population when the population size - - for … example, the area of an areal continuum - - is unknown. Ratio estimation, however, is most likely a more precise option when …
Persistent link: https://www.econbiz.de/10009429445
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A resampling variance estimator for the k nearest neighbours technique.
Magnussen, S.; McRoberts, R.E.; Tomppo, E.O. - 2010
totals. Their efficiency in small-area estimation problems can be poor. In this study, we propose a modified balanced … repeated replication estimator of variance (BRR) of a kNN total that performs well in small-area estimation problems and under …
Persistent link: https://www.econbiz.de/10009429532
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Predicting germination response to temperature. I. Cardinal-temperature models and subpopulation-specific regression.
Hardegree, S.P. - 2006
BACKGROUND AND AIMS: The purpose of this study was to compare the relative accuracy of different thermal …
Persistent link: https://www.econbiz.de/10009429558
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Decision support systems for forest management: A financial analysis for South Carolina's state forests.
Phillips, S.L.; Straka, T.J.; Post, C.J.; Adams, T.O. - 2006
Decision support systems (DSS), also known as forest resource information systems, focus on providing forest managers information to make better decisions. DSS in forestry organizations have evolved from the integration of geographic information systems and database management systems with...
Persistent link: https://www.econbiz.de/10009429570
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Forecasting distributions of large federal-lands fires utilizing satellite and gridded weather information.
Preisler, Haiganoush K.; Burgan, Robert E.; Eidenshink, … - 2009
The current study presents a statistical model for assessing the skill of fire danger indices and for forecasting the distribution of the expected numbers of large fires over a given region and for the upcoming week. The procedure permits development of daily maps that forecast, for the...
Persistent link: https://www.econbiz.de/10009429429
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Management zone delineation using a modified watershed algorithm
Roudier, P.; Tisseyre, B.; Poilvé, H.; Roger, J.-M. - HAL - 2008
aux spécificités de l'agriculture de précision. Les performances de notre méthodes ont été testées sur des cartes … algorithm was adapted to the specific constraints of precision agriculture. The algorithm was tested on high-resolution bio …
Persistent link: https://www.econbiz.de/10008793120