Table 1 Main features of the forests, treatments and trees sampled in the present study
From: Does past emergence of epicormic shoots control current composition of epicormic types?
Experiment (oak species) | Grand Orient | Larivour | Longchamp |
|---|---|---|---|
Oak species | Quercus petraea | Quercus robur | Quercus petraea |
Geographic coordinates | 751567, 2368199 | 745643, 2373733 | 824589, 2255911 |
Ownership | Private | State | State |
Regeneration (main acorn mast year) | Natural (1966) | Natural (1960) | Natural (1949 and 1960) |
Compartments | 37 | 3 | 55 |
Elevation (m) | 110 | 110 | 200 |
Soil | 60-cm-deep leached brown soil on sandy clay | 35-cm-deep leached soil with iron spots due to fluctuating water on Brienne clay | >60-cm-deep silty brown soil weakly leached with water table at depth 50 cm |
Climate | R=650; T=10 | R=650; T=10 | R=800=T, 9 |
Treatments, abbreviation (no. of crop trees) | Control, GOCO (18) | Control, LACO (17) | Control, LOCO (14) |
N91, GO91 (18)a | N91, LA91 (18) | N98, LO98 (15) | |
N70, GO70 (18) | N70, LA70 (17) | N70, LO70 (14) | |
N49, GO49 (18) | N49, LA49 (18) | N42, LO42 (14) | |
Installation in winter | 1988/1989 | 1988/1989 | 1987/1988 |
Age at installation (years) | 23 | 29 | 27 and 38 |
Thinning in winters | 1988/1989, 1992/1993, 1996/1997, 2001/2002, 2006/2007 | 1988/1989, 1992/1993, 1996/1997, 2001/2002, 2006/2007 or 2007/08 (last thinning made during 2 winters) | 1987/1988, 1992/1993, 1997/1998, 2002/2003, 2007/2008 |
in italic are mentionned the common campaigns | 1992, 1994, 1996, 1997, 2001, 2002, 2004, 2006 | 1992, 1994, 1996, 1997, 2001, 2002, 2004, 2006 | 1992, 1994, 1996, 1997, 1998, 2002, 2003, 2005, 2007 |
Epicormic composition measured in | July 2007 | July 2007 | July 2008 |