ARBORICULTURAL REPORT
On trees at
Coldharbour Lane
Frenchay
For
University of the West of England
Tree No
:
G6200
Species
:
Common Alder (Alnus glutinosa)
Height
:
5 m
DBH
:
N/A
Maturity
:
Juvenile
Position
:
Immediately to the South of the main
gate entrance on the Eastern boundary
Condition
:
This is a screen group of approx 80 No
planted at 1 - 2 m spacing.
Safety Concern
:
3
Recommendations :
Remove faulted specimens.
Thin group
spacing.
to
approximately
2
m
Tree No
:
G6201
Species
:
Willow (Salix alba) x 5
Height
:
14 m
DBH
:
Up to 0.4 m
Maturity/Age
:
Mature
Position
:
The group is directly on the Eastern
border to the South of the main gate.
Condition
:
All the specimens are of apparently
fair vigour,
although
three
specimens
are
suffering
physical
damage
from
the boundary
fence.
Safety Concern
:
3
Notes
:
Recommendations :
25 years
The damaging fence must be removed from the
specimens as soon as possible.
Conduct light thin and remove deadwood.
Tree No
:
G6202
Species
:
Italian Alder (Alnus cordata) screen
of approx 60 No.
Height
:
13 m
DBH
:
N/A
Maturity/Age
:
Semi-mature
Position
:
The group starts at 5 m to the East of
G6101
Condition
:
This is a closely planted screen group
(at 1 - 1.5 m spacing).
15 - 20 years
The 7 No specimens on the Eastern
border
have
suffered
extensive
physical damage from the border fence.
Safety Concern
:
3
Recommendations :
Remove approx 12 No specimens marked 'X' on
Eastern boundary.
Remove
suppressed
and
faulted
specimens to allow spacing of approx 2
m - approx 15% of total specimens.
Tree No
:
G6203
Species
:
Ash (Fraxinus excelsior) x 2, Sycamore
(Acer pseudoplatanus) x 2, Elm (Ulmus
procera) x 1, Elder (Sambucus nigra) x
1
DBH
:
0.25 m
Maturity
:
Semi-mature
Position
:
Adjacent to sub-station
Condition
:
This semi-mature group provides good
screening for substation.
Safety Concern
:
3
Recommendations :
Remove dead wood and lightly prune.
Tree No
:
G6204
Condition
:
This is an attractive low level copse
with a path running through it,
comprising
Hawthorn
(Crataegus
monogyna), Elder (Sambucus nigra),
Whitebeam
(Sorbus
aria),
and
Yew
(Taxus baccata).
Safety Concern
:
3
Recommendations :
Former pond presents opportunities
enrichment planting.
Prune
deadwood
and
low
for
overhanging
growth
away
from path.
Tree No
:
G6205
Condition
:
This is a Southern boundary screen
which runs East to West along the
length of the Southern boundary.
It
is
a
dense
native
coppice
comprising
Hawthorn
(Crataegus
monogyna), Yew (Taxus baccata), Oak
(Quercus robur), Field Maple (Acer
campestre), Ash (Fraxinus excelsior),
and Whitebeam (Sorbus aria).
Safety Concern
Notes
:
3
:
This is an important screen and wildlife
habitat.
Recommendations :
No immediate concern, though within 5 years
future selected coppicing treatment
(5%),
combined
with
occasional
thinning (5 - 10%) of congested
specimens should be considered.
Tree No
:
G6206
Species
:
Oak (Quercus robur) and Ash (Fraxinus
excelsior)
Height
:
11 m
DBH
:
Up to 0.5 m
Maturity/Age
:
Mature
Position
:
On South boundary, 30 m East of South
West boundary corner.
Condition
:
2 No lightly Ivy-clad specimens form a
joint canopy, and are apparently of
fair vigour.
80 years
Both specimens have moderate deadwood
and snags present throughout.
Safety Concern
:
3
Recommendations :
Remove deadwood and snags.
Tree No
:
G6207
Species
:
Willow (Salix caprea, Salix fragilis)
and Elm (Ulmus procera)
Height
:
Up to 7 m
DBH
:
N/A
Maturity
:
Semi-mature
Position
:
On South Western boundary of campus
Condition
:
The group forms a thicket with much
undergrowth, and is a good wildlife
habitat.
Safety Concern
:
3
Recommendations :
No action is recommended at present.
Tree No
:
G6208
Species
:
Elm
(Ulmus
procera)
and
(Crataegus monogyna) hedge
Height
:
7 - 8 m
Position
:
Western boundary
Condition
:
This is a Western boundary screen
comprising approx 50 No semi-mature
Elm of natural regeneration origin,
running from North to South to 20 m
West of Felixstowe Court.
Hawthorn
They display fair vigour, although
there is some evidence of disease.
Occasional
dying.
specimens
are
dead
or
Safety Concern
:
3
Recommendations :
Remove dead specimens and prune back
unbalanced
vertical
and
lateral
growth.
Prune back
fence.
from
boundary
path
and
Tree No
:
G6209
Species
:
Whitebeam (Sorbus aria) x 5, Lime
(Tilia x Europaea) x 5, Flowering
Cherry
x 2, Wild Cherry (Prunus
avium) x 1.
Height
:
Up to 7 m
DBH
:
Up to 0.25 m
Maturity
:
Semi-mature
Position
:
Within Ashley Village area
Condition
:
Vigorous semi-mature specimens
Safety Concern
:
3
Recommendations :
Remove deadwood and conduct light thin.
Formatively prune.
Tree No
:
6210
Species
:
Ash (Fraxinus excelsior)
Height
:
10 m
DBH
:
0.9 m
Maturity
:
Mature
Position
:
West boundary, 16 m West of Felixstowe
Court
Condition
:
The
specimen
has
been
heavily
pollarded in the past, with 4 No major
pruning wounds with decay present.
The stem forks at 5 m into two main
stems, with a decayed cavity evident
at the fork point.
The crown growth is of fair vigour.
Innonotus infection is apparent in the
upper main stem.
Safety Concern
:
2
Recommendations :
If the specimen is to be maintained, this
should be carried out in pollard form,
to minimise leverage.
Repollard specimen to original fork at
4 m from ground level.
Tree No
:
G6211
(The
tagged)
Species
:
Lime (Tilia x Europaea) x 27
Height
:
6 m
DBH
:
0.1 m
Maturity/Age
:
Semi-mature
Position
:
Line of trees between Felixstowe Court
and Blocks A & B
Condition
:
The trees are of fair vigour, planted
at 3 m intervals.
Safety Concern
:
1 (b)
These
specimens,
if
unattended,
will
achieve a scale out of proportion to
their
position
and
the
adjacent
buildings.
Notes
:
Recommendations :
Northmost
specimen
is
up to approx 10 yearss
Future maintenance will
crown modification.
Two
options
treatment.
are
require
constant
provided
for
A)
Remove alternate specimens for
future pollard maintenance of
retained canopies.
B)
Pleach - raise crowns to 2 m,
reduce crowns by 1 m and prune
growth to create pleached canopy
between 2 and 5 metres. Remove 3
No unbalanced specimens at North
end and replant.
Tree No
:
6212
Species
:
Robinia (Robinia pseudoacacia)
Height
:
7 m
DBH
:
0.2 m
Maturity/Age
:
Semi-mature
Position
:
In Quadrant between D & E Blocks and
Octagon
Condition
:
The
specimen
is
suffering
dieback to the South.
Safety Concern
:
2
Recommendations :
Remove all deadwood.
Reshape as feasible
to balanced form.
up to approx 20 years
marked
Conduct formative pruning to adjacent
Cherry.
Tree No
:
G6213
Species
:
Wych
Height
:
9 m (Wych Elm)
Position
:
Adjacent to bicycle sheds and park on
West boundary
Condition
:
The two Wych Elm specimens are of fair
vigour.
Elm
(Ulmus
glabra) x 2, Lime
(Tilia
x
Europaea)
x
2,
Willow
(Salix
alba) x 1
The Lime are being suppressed by the
Elm.
The Willow
vigour.
is
of
apparently
fair
Safety Concern
:
3
Recommendations :
Remove deadwood from the two Wych Elm
specimens.
Reshape and rebalance as
feasible. Conduct 10% thin and prune
back from Lime.
Reshape and rebalance the two Lime
specimens as feasible. Remove ties.
No action is recommended at present to
the Willow.
Tree No
:
6214
Species
:
Ash (Fraxinus excelsior)
Height
:
10 m
DBH
:
0.4 m
Maturity/Age
:
Mature
Position
:
On West boundary, North West of car
park
Condition
:
The specimen is moribund and liable to
disintegrate.
Safety Concern
:
1 (a)
Note
:
The specimen poses an immediate threat
to cars and pedestrians.
Recommendations :
Fell to ground level.
up to approx 45 years
Tree No
:
G6215 (Westmost specimen tagged)
Species
:
Hawthorn (Crataegus monogyna), Elm
(Ulmus procera) and Ash (Fraxinus
excelsior)
Height
:
Up to 10 m
DBH
:
Up to 0.3 m
Maturity
:
Juvenile/semi-mature
Position
:
Screen running East to West between
the hockey pitch and the North West
corner of car park 10.
Condition
:
Overall vigorous growth.
There are a number of dead or moribund
Ash
specimen
present
within
the
boundary screen.
Safety Concern
:
1 (b)
Recommendations :
Remove dead and moribund Ash specimens.
Remove
major
deadwood
retained specimens.
in
other
Tree No
:
G6216 (Elm immediately to the West of
the entrance to the hockey pitches is
tagged)
Species
:
Ash (Fraxinus excelsior), Hawthorn
(Crataegus
monogyna),
Elm
(Ulmus
procera) and Oak (Quercus robur)
Height
:
Up to 13 m
DBH
:
Up to 0.5 m
Maturity
:
The Ash are mature and semi-mature,
and the Oak are mature.
Position
:
Boundary screen from North West corner
of car park 10 to the North West
boundary of the Polytechnic.
Condition
:
All the Ash specimens are suffering
various degrees of crown dieback,
shedding limbs and are cankered.
Safety Concern
:
2
Recommendations :
Remove dead and moribund Ash specimens.
Remove major deadwood as appropriate
from the remaining Ash specimens.
Remove the major overhanging Ash stem
restricting the full crown development
of neighbouring planting.
Remove deadwood from the 2 No mature
Oak specimens and conduct a light
thin.
Note
:
12 No Scots, 2 No Birch, 1 No
semi-mature Sweet Chestnut immediately
adjacent to the boundary - no action
recommended at present.
3 No blocks of Woodland/Copse plantings
These are situated on the East boundary between the main gate
and the dual carriageway, and comprise Lime (Tilia x Europaea),
Oak (Quercus robur), Whitebeam (Sorbus aria), Yew (Taxus
baccata),
Hawthorn
(Crataegus
monogyna),
Sycamore
(Acer
pseudoplatanus), and Ash (Fraxinus excelsior).
Recommendations :
Remove exotic Acer species as they are not in character
with the other native species.
Remove all dead and diseased specimens.
Conduct selective thinning of occasional weak specimens.
Enrichment planting is recommended of additional 10 m
along brow and upper reach of bank with conventional
forestry system (ie growtubes at 3 m spacing of native
species 1+1 transplants).
Relocate
species.
individually
planted
inappropriate
exotic
Tree No
:
G6217
Species
:
Willow (Salix alba)
Height
:
10 - 14 m
DBH
:
0.3 m approx
Maturity
:
Semi-mature
Position
:
North of main entrance gate on Eastern
boundary
Condition
:
Group of 50 - 60 specimens of fair
vigour.
Safety Concern
:
3
Recommendations :
Raise crowns of specimens overhanging the
road to 5 m.
Recoppice weak, dead
minor specimens.
and
suppressed
Remove major deadwood throughout.
Further enrichment planting at the
Northern edge of 15 No specimens is
recommended.
Tree No
:
6218
Species
:
Oak (Quercus robur)
Height
:
8 m
DBH
:
1 m
Maturity
:
Mature
Position
:
Immediately adjacent to car park 18,
25 metres West of bridge
Condition
:
The specimen is Ivy-clad and of fair
vigour, with a dense spreading crown.
There is moderate
throughout.
Safety Concern
:
Recommendations :
Sever and strip Ivy.
deadwood
present
3
Conduct 10% thin.
Remove
crown.
deadwood
and
lightly
shape
Tree No
:
G6219
Species
:
Group of 11 No Lime (Tilia x Europaea)
Height
:
approx 3 m.
DBH
:
0.15 m
Maturity
:
Semi-mature
Position
:
Immediately to the West of the East
entrance to G block.
Condition
:
All the specimens are of apparently
good vigour.
Safety Concern
:
3
Recommendations :
Lightly thin crown and conduct formative
pruning.
Tree No
:
G6220
(The
tagged)
Southmost
Species
:
Line
of
6
pseudoacacia)
Height
:
4 - 8 m
DBH
:
0.1 - 0.25 m
Maturity
:
Semi-mature
Position
:
In Quadrant immediately adjacent to F
& L Block (Students Union)
Condition
:
The specimens are in poor condition
with varying degrees of dieback due to
suspected root stress/drought.
No
specimen
Robinia
is
(Robinia
The Southmost (tagged) specimen is
moribund, as are two other specimens.
Safety Concern
:
1 (b)
Recommendations :
Remove the tagged specimen and the other
two moribund specimens.
Remove all deadwood from the retained
3 No specimens.
Prune to balanced form and monitor the
response
of
the
specimens
to
treatment.
Tree No
:
G6221
Species
:
4 No Cypress, 2 No Flowering Cherry
Height
:
Up to 5 m
DBH
:
0.2 m
Maturity
:
Semi-mature
Position
:
Quadrant adjacent to shop
Condition
:
The 2 No Cherry and two of the Cypress
are too closely planted.
The Cherry specimens are suffering
from Peach Leaf Curl, and the crowns
are suppressed by the Lawsons.
Safety Concern
:
3
Recommendations :
Remove the minor Cherry specimen.
High prune the major Cherry specimen,
and prune for vigour.
Reduce 2 No Lawsons by 1 - 1.5 m to
allow the crown development of the
Cherry.
Tree No
:
G6222
Species
:
Robinia (Robinia pseudoacacia) x 2
Height
:
8 m
DBH
:
0.2 m
Maturity
:
Semi-mature
Position
:
Quadrant between Blocks A, B & C
Condition
:
The specimens are of fair vigour.
There is minor deadwood throughout.
1 No specimen is Ivy-clad.
Safety Concern
:
3
Recommendations :
Remove
deadwood
pruning.
and
conduct
formative
Tree No
:
G6223
Species
:
Lime (Tilia x Europaea ) x 8
Height
:
Up to 7 m
DBH
:
0.2 m
Maturity
:
Semi-mature
Position
:
Immediately East of A block entrance
Condition
:
These are young vigorous
with dense crown growth.
Safety Concern
:
3
Recommendations :
Conduct 10% crown thin.
Remove deadwood and shape.
specimens
Tree No
:
6224
Species
:
Oak (Quercus robur)
Height
:
10 m
DBH
:
0.7 m
Maturity
:
Mature
Position
:
Eastmost major specimen of old hedge
line (East to West) from East entrance
of A block.
Condition
:
The specimen is heavily Ivy-clad, and
of only moderate vigour.
Minor deadwood is present.
Safety Concern
:
3
Note
:
Approximately 80 m of principally Elm
hedgerow running East to West with 4
No Oak and 1 No Ash - these are major
specimens
of
prominance
and
high
amenity value.
Recommendations :
Sever and strip Ivy.
Remove deadwood.
Inspect stem.
Reshape and rebalance as feasible.
Rebalance occasional eccentric growth
of Elm specimens in hedgerow.
Tree No
:
6225
Species
:
Oak (Quercus robur)
Height
:
7 m
DBH
:
0.8 m
Maturity/Age
:
Mature
Position
:
10 m West of 6224
Condition
:
The specimen is heavily Ivy-clad.
80+ years
It is heavily unbalanced to the South
due to the removal of the North-facing
portion of the crown, leaving a number
of large pruning wounds with decay
evident.
Safety Concern
:
2
Recommendations :
Sever and strip Ivy and inspect stem.
Rebalance the crown by reduction of
South
facing
laterals.
Remove
deadwood and snags.
Monitor the response of the specimen
to treatment.
Remove 3 No Elm specimens adjacent to
the East, and 1 Elm and dead Hawthorn
to the West.
Tree No
:
6226
Species
:
Ash (Fraxinus excelsior)
Height
:
12 m
DBH
:
Multi-stemmed
Maturity
:
Mature
Position
:
20 m West of 6225
Condition
:
The specimen is lightly Ivy-clad.
It is of coppice origin with 3 No
major and 2 No minor stems arising at
0.5 m.
The crown is of fair vigour, though
there is moderate deadwood present
throughout.
Safety Concern
:
1 (b)
Recommendations :
Remove deadwood.
Conduct 10% thin.
Sever and strip Ivy.
Reshape as feasible to form a balanced
canopy with reduced wind resistance.
Tree No
:
6227
Species
:
Oak (Quercus robur)
Height
:
8 m
DBH
:
0.7 m
Maturity
:
Mature
Position
:
8 m West of 6226
Condition
:
The specimen is Ivy-clad.
unbalanced to the South.
It
is
There is minor deadwood throughout.
Safety Concern
:
3
Recommendations :
Reduce laterals to the South and South East
by up to 2 m in order to rebalance the
crown.
Remove deadwood.
Sever and strip Ivy.
Reshape and rebalance as feasible.
Tree No
:
6228
Species
:
Oak (Quercus robur)
Height
:
13 m
DBH
:
1.4 m
Maturity/Age
:
Mature
Position
:
8 m West of 0622
Condition
:
This is an ancient specimen of pollard
origin.
There are 6 No major stems
arising at 3 m.
300+ years
Large wounds are evident to the South
and West on the main stem at 2 - 3 m
from ground level with decay present.
There are numerous old pruning wounds
and
occasional
torn
snags
from
contractor damage.
Damage to the root system is likely
from the adjacent adjacent building
works, due to ground disturbance on
the South and West faces, apparent
compaction and root severance.
However, the specimen appears to be of
fair vigour.
Safety Concern
:
1 (a)
Note
:
This
Recommendations :
Reduce South and South West-facing limbs by
3 - 4 m to suitable secondary points
of growth.
is
an
important
landscape
specimen
for
conservation.
Remove all deadwood and snags.
Reshape and rebalance canopy.
Introduce topsoil around the area of
disturbed ground around the dripline
of the tree.
Conduct a feeding treatment during the
dormant period.
Note
:
Select and remove individual minor
specimens from the Elm hedge which runs East to West from 6224
to 6228, to allow the full canopy development of retained
specimens.