Full text of this article is only available in PDF format.

Annika Kangas (email), Lauri Mehtätalo, Antti Mäkinen, Kalle Vanhatalo

Sensitivity of harvest decisions to errors in stand characteristics

Kangas A., Mehtätalo L., Mäkinen A., Vanhatalo K. (2011). Sensitivity of harvest decisions to errors in stand characteristics. Silva Fennica vol. 45 no. 4 article id 100. https://doi.org/10.14214/sf.100

Abstract

In forest planning, the decision maker chooses for each stand a treatment schedule for a predefined planning period. The choice is based either on optimization calculations or on silvicultural guidelines. Schedules for individual stands are obtained using a growth simulator, where measured stand characteristics such as the basal area, mean diameter, site class and mean height are used as input variables. These characteristics include errors, however, which may lead to incorrect decisions. In this study, the aim is to study the sensitivity of harvest decisions to errors in a dataset of 157 stands. Correct schedules according to silvicultural guidelines were first determined using error-free data. Different amounts of errors were then generated to the stand-specific characteristics, and the treatment schedule was selected again using the erroneous data. The decision was defined as correct, if the type of harvest in these two schedules were similar, and if the timings deviated at maximum ±2 for thinning and ±3 years for clear-cut. The dependency of probability of correct decisions on stand characteristics and the degree of errors was then modelled. The proposed model can be used to determine the required level of measurement accuracy for each characteristics in different kinds of stands, with a given accuracy requirement for the timing of treatments. This information can further be utilized in selecting the most appropriate inventory method.

Keywords
forest planning; inventory; measurement errors; decision making; logistic regression; regression tree

Author Info
  • Kangas, Department of Forest Sciences, P.O. Box 27, FI-00014 University of Helsinki, Finland E-mail annika.kangas@helsinki.fi (email)
  • Mehtätalo, University of Eastern Finland, School of Forest Sciences, Joensuu, Finland E-mail lm@nn.fi
  • Mäkinen, Simosol Oy, Riihimäki, Finland E-mail am@nn.fi
  • Vanhatalo, Department of Forest Sciences, P.O. Box 27, FI-00014 University of Helsinki, Finland E-mail kv@nn.fi

Received 28 June 2011 Accepted 1 September 2011 Published 31 December 2011

Views 2622

Available at https://doi.org/10.14214/sf.100 | Download PDF

Creative Commons License CC BY-SA 4.0

Register
Click this link to register to Silva Fennica.
Log in
If you are a registered user, log in to save your selected articles for later access.
Contents alert
Sign up to receive alerts of new content

Your selected articles
Your search results
Kangas A., Korhonen K. T. (1995) Generalizing sample tree information with semipa.. Silva Fennica vol. 29 no. 2 article id 5553
Kangas A., (1994) Classical and model based estimators for forest .. Silva Fennica vol. 28 no. 1 article id 5524
Kangas A., (1991) Updated measurement data as prior information in.. Silva Fennica vol. 25 no. 3 article id 5453
Stenman V., Kangas A. et al. (2023) Upper stem diameter and volume prediction strate.. Silva Fennica vol. 57 no. 3 article id 23021
Kangas A., Myllymäki M. et al. (2023) Understanding uncertainty in forest resources maps Silva Fennica vol. 57 no. 2 article id 22026
Tuominen S., Balazs A. et al. (2020) Comparison of photogrammetric canopy models from.. Silva Fennica vol. 54 no. 5 article id 10291
Katila M., Rajala T. et al. (2020) Assessing local trends in indicators of ecosyste.. Silva Fennica vol. 54 no. 4 article id 10347
Kangas A., Henttonen H. M. et al. (2020) Re-calibrating stem volume models – is there cha.. Silva Fennica vol. 54 no. 4 article id 10269
Haara A., Kangas A. et al. (2019) Economic losses caused by tree species proportio.. Silva Fennica vol. 53 no. 2 article id 10089
Kangas A., Gobakken T. et al. (2018) Value of airborne laser scanning and digital aer.. Silva Fennica vol. 52 no. 1 article id 9923
Tuominen S., Pitkänen T. et al. (2017) Improving Finnish Multi-Source National Forest I.. Silva Fennica vol. 51 no. 4 article id 7743
Korpela I., Mehtätalo L. et al. (2014) Tree species identification in aerial image data.. Silva Fennica vol. 48 no. 3 article id 1087
Mäkinen A., Kangas A. et al. (2012) Using cost-plus-loss analysis to define optimal .. Silva Fennica vol. 46 no. 2 article id 55
Wallenius T., Laamanen R. et al. (2012) Analysing the agreement between an Airborne Lase.. Silva Fennica vol. 46 no. 1 article id 69
Laamanen R., Kangas A. (2011) Large-scale forest owner’s information needs in .. Silva Fennica vol. 45 no. 4 article id 101
Kangas A., Mehtätalo L. et al. (2011) Sensitivity of harvest decisions to errors in st.. Silva Fennica vol. 45 no. 4 article id 100
Pietilä I., Kangas A. et al. (2010) Influence of growth prediction errors on the exp.. Silva Fennica vol. 44 no. 5 article id 111
Räty M., Kangas A. (2010) Segmentation of model localization sub-areas by .. Silva Fennica vol. 44 no. 2 article id 155
Kangas A., Haapakoski R. et al. (2008) Integrating place-specific social values into fo.. Silva Fennica vol. 42 no. 5 article id 467
Kangas A., Mehtätalo L. et al. (2007) Modelling percentile based basal area weighted d.. Silva Fennica vol. 41 no. 3 article id 282
Mehtätalo L., Maltamo M. et al. (2006) The use of quantile trees in the prediction of t.. Silva Fennica vol. 40 no. 3 article id 333
Laukkanen S., Palander T. et al. (2005) Evaluation of the multicriteria approval method .. Silva Fennica vol. 39 no. 2 article id 387
Kangas A., Maltamo M. (2002) Anticipating the variance of predicted stand vol.. Silva Fennica vol. 36 no. 4 article id 522
Sironen S., Kangas A. et al. (2001) Estimating individual tree growth with the k-nea.. Silva Fennica vol. 35 no. 4 article id 580
Kangas A., Kangas J. et al. (2001) Outranking methods as tools in strategic natural.. Silva Fennica vol. 35 no. 2 article id 597
Kangas A., Maltamo M. (2000) Performance of percentile based diameter distrib.. Silva Fennica vol. 34 no. 4 article id 620
Kangas A., Maltamo M. (2000) Percentile based basal area diameter distributio.. Silva Fennica vol. 34 no. 4 article id 619
Saarinen N., White J. C. et al. (2018) Landsat archive holdings for Finland: opportunit.. Silva Fennica vol. 52 no. 3 article id 9986
Kangas A., Hujala T. (2015) Challenges in publishing: producing, assuring an.. Silva Fennica vol. 49 no. 4 article id 1304