@ARTICLE{Astrup2014,
  author = {Astrup, R. AND Ducey, M. AND Granhus, A. AND Ritter, T. AND von Lüpke,
	N.},
  title = {{Approaches for estimating stand-level volume using terrestrial laser
	scanning in a single-scan mode}},
  journal = {Canadian Journal of Forest Research},
  year = {2014},
  volume = {44},
  pages = {666-676},
  number = {6},
  abstract = {The most efficient way to obtain stand inventory data with terrestrial
	laser systems (TLS) is with the single-scan mode, which involves
	taking one scan at a single point. With a single-scan setup, there
	will be a nondetection of trees in a plot and the representation
	of the individual trees will be incomplete. We explore how stand-level
	volume estimates, based on the single-scan mode, perform compared
	with standard inventory estimates. We base our study on 166 plots
	in 12 mature stands dominated by Scots pine (Pinus sylvestris L.)
	and Norway spruce (Picea abies L. Karst) in southern Norway. First,
	we compare individual-tree volume estimates from TLS with estimates
	from volume functions and measurements from harvesters. We show that
	individual-tree volumes can be estimated with high precision and
	accuracy with TLS in single-scan mode. Secondly, we test three approaches
	for correction of nondetection relying on model-based estimates of
	the detection probability obtained by point transect sampling estimators.
	We show that all three approaches adjust for nondetection and yield
	stand-level volume estimates that are similar to those obtained by
	fixed-area sampling. In conclusion, our results indicate that stand-level
	volume estimates, based on single-scan mode TLS data, perform well
	compared with standard inventory estimates.},
  doi = {10.1139/cjfr-2013-0535},
  file = {:cjfr-2013-0535.pdf:PDF},
  owner = {Tiago Marques},
  quality = {1},
  subdatabase = {distance},
  timestamp = {2014.12.09}
}

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AND von Lüpke, N."],"bibdata":{"bibtype":"article","type":"article","author":[{"propositions":[],"lastnames":["Astrup"],"firstnames":["R.","AND","Ducey"],"suffixes":[]},{"propositions":[],"lastnames":["M.","AND","Granhus"],"firstnames":["A.","AND","Ritter"],"suffixes":[]},{"propositions":["T.","AND","von"],"lastnames":["Lüpke"],"firstnames":["N."],"suffixes":[]}],"title":"Approaches for estimating stand-level volume using terrestrial laser scanning in a single-scan mode","journal":"Canadian Journal of Forest Research","year":"2014","volume":"44","pages":"666-676","number":"6","abstract":"The most efficient way to obtain stand inventory data with terrestrial laser systems (TLS) is with the single-scan mode, which involves taking one scan at a single point. With a single-scan setup, there will be a nondetection of trees in a plot and the representation of the individual trees will be incomplete. We explore how stand-level volume estimates, based on the single-scan mode, perform compared with standard inventory estimates. We base our study on 166 plots in 12 mature stands dominated by Scots pine (Pinus sylvestris L.) and Norway spruce (Picea abies L. Karst) in southern Norway. First, we compare individual-tree volume estimates from TLS with estimates from volume functions and measurements from harvesters. We show that individual-tree volumes can be estimated with high precision and accuracy with TLS in single-scan mode. Secondly, we test three approaches for correction of nondetection relying on model-based estimates of the detection probability obtained by point transect sampling estimators. We show that all three approaches adjust for nondetection and yield stand-level volume estimates that are similar to those obtained by fixed-area sampling. In conclusion, our results indicate that stand-level volume estimates, based on single-scan mode TLS data, perform well compared with standard inventory estimates.","doi":"10.1139/cjfr-2013-0535","file":":cjfr-2013-0535.pdf:PDF","owner":"Tiago Marques","quality":"1","subdatabase":"distance","timestamp":"2014.12.09","bibtex":"@ARTICLE{Astrup2014,\r\n author = {Astrup, R. AND Ducey, M. AND Granhus, A. AND Ritter, T. AND von Lüpke,\r\n\tN.},\r\n title = {{Approaches for estimating stand-level volume using terrestrial laser\r\n\tscanning in a single-scan mode}},\r\n journal = {Canadian Journal of Forest Research},\r\n year = {2014},\r\n volume = {44},\r\n pages = {666-676},\r\n number = {6},\r\n abstract = {The most efficient way to obtain stand inventory data with terrestrial\r\n\tlaser systems (TLS) is with the single-scan mode, which involves\r\n\ttaking one scan at a single point. With a single-scan setup, there\r\n\twill be a nondetection of trees in a plot and the representation\r\n\tof the individual trees will be incomplete. We explore how stand-level\r\n\tvolume estimates, based on the single-scan mode, perform compared\r\n\twith standard inventory estimates. We base our study on 166 plots\r\n\tin 12 mature stands dominated by Scots pine (Pinus sylvestris L.)\r\n\tand Norway spruce (Picea abies L. Karst) in southern Norway. First,\r\n\twe compare individual-tree volume estimates from TLS with estimates\r\n\tfrom volume functions and measurements from harvesters. We show that\r\n\tindividual-tree volumes can be estimated with high precision and\r\n\taccuracy with TLS in single-scan mode. Secondly, we test three approaches\r\n\tfor correction of nondetection relying on model-based estimates of\r\n\tthe detection probability obtained by point transect sampling estimators.\r\n\tWe show that all three approaches adjust for nondetection and yield\r\n\tstand-level volume estimates that are similar to those obtained by\r\n\tfixed-area sampling. In conclusion, our results indicate that stand-level\r\n\tvolume estimates, based on single-scan mode TLS data, perform well\r\n\tcompared with standard inventory estimates.},\r\n doi = {10.1139/cjfr-2013-0535},\r\n file = {:cjfr-2013-0535.pdf:PDF},\r\n owner = {Tiago Marques},\r\n quality = {1},\r\n subdatabase = {distance},\r\n timestamp = {2014.12.09}\r\n}\r\n\r\n","author_short":["Astrup, R. A. D.","M. AND Granhus, A. A. R.","T. 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