Estimating leaf area index in different types of mature forest stands in Switzerland: a comparison of methods
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Anderson MC (1971) Radiation and crop structure. In: Sestak Z, Catsky J, Jarvis PG (eds) Plant photosynthetic production: manual of methods. Junk, The Hague, pp 412–466
Becker M (1971) Une technique nouvelle d’utilisation des photographies hémisphériques pour la mesure du climat lumineux en forêt. Ann Sci For 28:425–442
Bréda NJJ (2003) Ground-based measurements of leaf area index: a review of methods, instruments and current controversies. J Exp Bot 54:2403–2417
Campbell GS (1986) Extinction coefficients for radiation in plant canopies calculated using an ellipsoidal inclination angle distribution. Agric For Meteorol 36:317–321
Chason JW, Baldocchi DD, Huston MA (1991) A comparison of direct and indirect methods for estimating canopy leaf area. Agric For Meteorol 57:107–128
Chen JM, Black TA (1991) Measuring leaf area index of plant canopies with branch architecture. Agric For Meteorol 57:1–12
Chen JM, Cihlar J (1995) Quantifying the effect of canopy architecture on optical measurements of leaf area index using two gap size analysis methods. IEEE Trans Geosci Remote Sens 33:777–787
Chen JM, Black TA, Adams RS (1991) Evaluation of hemispherical photography for determining plant area index and geometry of a forest stand. Agric For Meteorol 56:129–143
Chen JM, Rich PM, Gower ST, Norman JM, Plummer S (1997) Leaf area index of boreal forests: theory, techniques, and measurements. J Geophys Res- Atmos 102:29429–29443
Chen JM, Govind A, Sonnentag O, Zhang Y, Barr A, Amiro B (2006) Leaf area index measurements at Fluxnet-Canada forest sites. Agric For Meteorol 140:257–268
Coops NC, Smith ML, Jacobsen KL, Martin M, Ollinger S (2004) Estimation of plant and leaf area index using three techniques in a mature native eucalypt canopy. Austral Ecol 29:332–341
Cutini A, Matteucci G, Scarascia MG (1998) Estimation of leaf area index with the Li-Cor LAI2000 in deciduous forests. For Ecol Manage 105:55–65
Dufrêne E, Bréda N (1995) Estimation of deciduous forest leaf area index using direct and indirect methods. Oecologia 104:156–162
Englund SR, O’Brien JJ, Clark DB (2000) Evaluation of digital and film hemispherical photography and spherical densiometry for measuring forest light environments. Can J For Res-Rev Can Rech For 30:1999–2005
Ferment A, Picard N, Gourlet-Fleury S, Baraloto C (2001) A comparison of five indirect methods for characterizing the light environment in a tropical forest. Ann For Sci 58:877–891
Frazer GW, Trofymow JA, Lertzman KP (2000) Canopy openness and leaf area in chronosequences of coastal temperate rainforests. Can J For Res-Rev Can Rech For 30:239–256
Frazer GW, Fournier RA, Trofymow JA, Hall RJ (2001) A comparison of digital and film fisheye photography for analysis of forest canopy structure and gap light transmission. Agric For Meteorol 109:249–263
Graf Pannatier E, Dobbertin M, Schmitt M, Thimonier A, Waldner P (2007) Effects of the drought 2003 on forests in Swiss Level II plots. In: Eichhorn J (ed), Forests in a changing environment. Results of 20 years ICP forests monitoring, Göttingen, Germany, October 25–28, 2006. Schriften aus der Forstlichen Fakultät der Universität Göttingen und der Nordwestdeutschen Forstlichen Versuchsanstalt, vol 142, pp 128–135
Holst T, Hauser S, Kirchgassner A, Matzarakis A, Mayer H, Schindler D (2004) Measuring and modelling plant area index in beech stands. Int J Biometeorol 48:192–201
Inoue A, Yamamoto K, Mizoue N, Kawahara Y (2004) Effects of image quality, size and camera type on forest light environment estimates using digital hemispherical photography. Agric For Meteorol 126:89–97
Lang ARG (1987) Simplified estimate of leaf area index from transmittance of the sun’s beam. Agric For Meteorol 41:179–186
Lang ARG, Xiang Y (1986) Estimation of leaf area index from transmission of direct sunlight in discontinuous canopies. Agric For Meteorol 37:229–243
Leblanc SG, Chen JM, Fernandes R, Deering DW, Conley A (2005) Methodology comparison for canopy structure parameters extraction from digital hemispherical photography in boreal forests. Agric For Meteorol 129:187–207
Li-Cor (1992) LAI-2000 plant canopy analyzer—Operating manual. LI-COR, Inc, Lincoln
Macfarlane C, Coote M, White DA, Adams MA (2000) Photographic exposure affects indirect estimation of leaf area in plantations of Eucalyptus globulus Labill. Agric For Meteorol 100:155–168
Martens SN, Ustin SL, Rousseau RA (1993) Estimation of tree canopy leaf area index by gap fraction analysis. For Ecol Manage 61:91–108
Montes F, Pita P, Rubio A, Cañellas I (2007) Leaf area index estimation in mountain even-aged Pinus silvestris L. stands from hemispherical photographs. Agric For Meteorol 145:215–228
Mussche S, Samson R, Nachtergale L, De Schrijver A, Lemeur R, Lust N (2001) A comparison of optical and direct methods for monitoring the seasonal dynamics of leaf area index in deciduous forests. Silva Fenn 35:373–384
Nilson T (1971) A theoretical analysis of the frequency of gaps in plant stands. Agric Meteorol 8:25–38
Nobis M (2003) Sideview 1.0—imaging software to extract vertical vegetation structure from true-colour photographs; http://www.appleco.de
Nobis M, Hunziker U (2005) Automatic thresholding for hemispherical canopy-photographs based on edge detection. Agric For Meteorol 128:243–250
Norman JM, Campbell GS (1989) Canopy structure. In: Pearcy RW, Ehleringer JR, Mooney HA, Rundel PW (eds) Plant physiological ecology: field methods and instrumentation. Chapman and Hall, London, pp 301–325
Planchais I, Pontailler JY (1999) Validity of leaf areas and angles estimated in a beech forest from analysis of gap frequencies, using hemispherical photographs and a plant canopy analyzer. Ann For Sci 56:1–10
Running SW, Coughlan JC (1988) A general model of forest ecosystem processes for regional applications. 1. hydrologic balance, canopy gas-exchange and primary production processes. Ecol Model 42:125–154
Running SW, Gower ST (1991) Forest-BGC, a general model of forest ecosystem processes for regional applications. 2. Dynamic carbon allocation and nitrogen budgets. Tree Physiol 9:147–160
Schleppi P, Conedera M, Sedivy I, Thimonier A (2007) Correcting non-linearity and slope effects in the estimation of the leaf area index of forests from hemispherical photographs. Agric For Meteorol 144:236–242
Soudani K, Trautmann J, Walter JM (2001) Comparison of optical methods for estimating canopy openness and leaf area index in broad-leaved forests. C R Acad Sci Ser III-Sci Vie 324:381–392
Strachan IB, McCaughey JH (1996) Spatial and vertical leaf area index of a deciduous forest resolved using the LAI-2000 plant canopy analyzer. For Sci 42:176–181
Thimonier A, Schmitt M, Cherubini P, Kräuchi N (2001) Monitoring the Swiss forest: building a research platform. In: Anfodillo T, Carraro V (eds) Monitoraggio ambientale: metodologie ed applicazioni Atti del XXXVIII Corso di Cultura in Ecologia, 2001. San Vito di Cadore, Centro Studi per l’Ambiente Alpino, Università degli Studi di Padova, pp 121–134
Wang YS, Miller DR, Welles JM, Heisler GM (1992) Spatial variability of canopy foliage in an oak forest estimated with fisheye sensors. For Sci 38:854–865
Weiss M, Baret F, Smith GJ, Jonckheere I, Coppin P (2004) Review of methods for in situ leaf area index (LAI) determination Part II. Estimation of LAI, errors and sampling. Agric For Meteorol 121:37–53