This example dataset includes ROXAS output files (cf. von Arx & Carrer, 2014) with lumen area and cell wall thickness measurements from; i) Norway Spruce (Picea abies) from the Loetschental, Switzerland (2007-2013), ii) Siberian larch (Larix siberica) from Siberia, Russia (2007-2010), iii) Stone pine (Pinus cembra) from the Dolomite mountains, Italy (2007-2010), and iv) Scots pine (Pinus sylvestris) from the eastern lowlands, Germany (2007-2010).
anatomy.data anatomy.data
Provides a data.frame with 18838 rows and 7 columns containing data on:
[ ,1] ID = Site and species id <factor>
[ ,2] CID = Unique cell id <integer>
[ ,3] YEAR = Year of the ring <integer>
[ ,4] CA = Lumen size (micron) <numeric>
[ ,5] XCAL = X-value of cell center in calibrated coordinate system (micron) <numeric>
[ ,6] YCAL = Y-value of cell center in calibrated coordinate system (micron) <numeric>
[ ,7] CWTALL = Mean thickness of all cell walls (micron) <numeric>
von Arx, G., & Carrer, M. (2014) ROXAS - A new tool to build centuries-long tracheid-lumen chronologies in conifers. Dendrochronologia 32, 290-293.
#> ID CID YEAR CA XCAL YCAL CWTALL #> 1 LOT_PICEA 31 2007 1252 -1481 108980 3.01 #> 2 LOT_PICEA 32 2007 1136 -1440 108979 2.76 #> 3 LOT_PICEA 34 2007 1139 -1402 108979 2.04 #> 4 LOT_PICEA 40 2007 1320 -1365 109000 2.69 #> 5 LOT_PICEA 45 2007 1688 -1317 109006 2.36 #> 6 LOT_PICEA 50 2007 340 -1288 109005 2.21