Main table: Suitability of trees for dendroremediation

[ Home Engl ] [ Top ] [ Main table: Suitability of trees for DeRem ] [ 1 Availability of the investigated trees ] [ 2 Tree propagation ] [ 3 Physiological activity time ] [ 4 Utilization in the present project ] [ 5 Evidence for TNT-degradation ] [ 6 Further characteristics ] [ 7 Sanitation potential and suitability for dendroremediation ] [ 8 Dendroremediation in site forests ]

Table 1: Tree characteristics and suitability of trees for dendroremediation purposes.

Characteristic / Tree	Salix EW-13	Salix EW-20	Salix EW-27	Populus ZP-007	Betula pendula	Picea abies	Picea glauca	Pinus sylvestris
1 Availability	Hybrid willow	Hybrid willow	Hybrid willow	Hybrid poplar	Birch	Norway spruce	Canadian white spruce	Scots pine
Local forest nurseries					X	X	X	X
German Federal Biol. Research Centre for Agriculture and Forestry (BBA)	X	X		X
Schoenmuth (berndschoenmuth@yahoo.de)			X
2 Propagation	Salix EW-13	Salix EW-20	Salix EW-27	Populus ZP-007	Betula pendula	Picea abies	Picea glauca	Pinus sylvestris
Vegetative propagation (cloning)	++	+	+++	++	-	--	--	--
Seed propagation					X	X	X	X
3 Physiological activity time	Salix EW-13	Salix EW-20	Salix EW-27	Populus ZP-007	Betula pendula	Picea abies	Picea glauca	Pinus sylvestris
Leaf/needle emergence (+ = early, ± = middle, - = late)	++	+	±	±	±	--	-	-
Dormancy	+	++	+	++	+++	+++	+++	+++
4 Utilization in the present project	Salix EW-13	Salix EW-20	Salix EW-27	Populus ZP-007	Betula pendula	Picea abies	Picea glauca	Pinus sylvestris
Outdoor experiments	X	X		X	X	X
Dynamical dendrotoxicity experiments with basal pollutant application	X	X		X	X	X	X	X
Radiotracer experiments with [¹⁴C]-TNT		X				X
tree analysis on former ammunition plant sites		(X)			X	X
5 Evidence for TNT-degradation	Salix EW-13	Salix EW-20	Salix EW-27	Populus ZP-007	Betula pendula	Picea abies	Picea glauca	Pinus sylvestris
TNT and/or ADNT in roots	X	X	X	X	X	X	X	X
TNT and/or ADNT in above-ground tree compartments	X	X	X	X	---	(X)
[¹⁴C]-TNT transformation		X				X
6 Further characteristics	Salix EW-13	Salix EW-20	Salix EW-27	Populus ZP-007	Betula pendula	Picea abies	Picea glauca	Pinus sylvestris
Velocity of culture establishment	+++	++	+++	++	+	+	+	+
Flooding tolerance (temporarily !)	++	+	+++	++	-	--	--	--
Transpiration productivity	++	++	+++	+++	+-	++	++	+
Drought resistance		++			+	+		++
Suitability for rapid wood composting	+	+	+	+
Dendroremediation improvement by mycorrhiza action expected						+	+	+
Dry mass yield per year [dt/ha]	84	56	n.det.	86	55	78	n.det.	26
Dry mass yield per year [kg/m²]	0.84	0.56	n.det.	0.86	0.55	0.78	n.det.	0.26
Suitability as short rotation crop	X	X	X	X
7 sanitation potential basing on experimental data	Salix EW-13	Salix EW-20	Salix EW-27	Populus ZP-007	Betula pendula	Picea abies	Picea glauca	Pinus sylvestris
Yearly dendroremediation potential [g TNT/m²]	6.0	8.5	n.det.	4.2	5.2	1.9	n.det.	0.8
8 Suitability for experimental dendroremediation	Salix EW-13	Salix EW-20	Salix EW-27	Populus ZP-007	Betula pendula	Picea abies	Picea glauca	Pinus sylvestris
Suitability for wick application experiments	++	+	++	+	-	+	++	+
Suitability for field bioindication of TNT	+++	+	+	+	+	+	+	+
9 Suitability for practical dendroremediation	Salix EW-13	Salix EW-20	Salix EW-27	Populus ZP-007	Betula pendula	Picea abies	Picea glauca	Pinus sylvestris
Tree based constructed wetlands	++	+	+++	++	-	- -	- -	- -
Hydraulic control	++	+	+++	++	-	- -	- -	- -
Tree buffer strips and run-off-avoidance	++	++	+++	++	+	+	+	+
Tree planting on clamps of contaminated soil	+	++			+
Vegetation cover for reduction of leachate (reducing evapotranspiration)	+	++	+
Suitability as reposition plants	+	++			+			+
11 Dendroremediation in site forests	Salix EW-13	Salix EW-20	Salix EW-27	Populus ZP-007	Betula pendula	Picea abies	Picea glauca	Pinus sylvestris
Planting of forests after soil homogenization	+	+	+	+	+	+++	+	+++
Interception of tree crowns	+	+	+	+	+	++	++	+++
Enhancement of natural attenuation processes	+	+	+	+	+	+	+	+

Web date: June 2002, last update: 13.02.04 18:05 by Bernd Schoenmuth@yahoo.de