| 5377006 |
tree anatomy |
|
cross-section of trunk |
| 5377013 |
tree anatomy |
|
diagram of tree stem |
| 5395467 |
tree anatomy |
|
cross section of a trunk |
| 5394658 |
ISA Other Meetings |
|
Arborists/foresters talking with the media. Public relations. |
| 5394660 |
ISA Other Meetings |
|
Arborists/foresters talking with the media. Public relations. |
| 5394655 |
ISA Other Meetings |
|
Arborists/foresters talking with the media. Public relations. |
| 5394654 |
ISA Other Meetings |
|
Arborists/foresters talking with the media. Public relations. |
| 5394651 |
ISA Other Meetings |
|
Arborists/foresters talking with the media. Public relations. |
| 5430375 |
tree implants |
|
|
| 5430413 |
tree injections |
|
|
| 5395580 |
fertilization |
|
organic to inorganic transition cycle for tree fertilization |
| 5395616 |
fertilization |
|
worker carrying hose from truck for fertilizer application |
| 5395617 |
crown thinning (pruning) |
|
over thining |
| 5395574 |
fertilization |
|
cations bound to negatively charged soil particles |
| 5395575 |
grade change |
|
before grade change |
| 5395576 |
water budget |
|
|
| 5395577 |
felling |
|
showing holding wood from notch |
| 5395578 |
fertilization |
|
nutrient availability changing with pH |
| 5395579 |
mulching |
|
a layer of mulch can effectively adsorb and hold water |
| 5395503 |
fertilization |
|
Nutrients and micronutrients |
| 5395504 |
friction hitch |
|
Muenter Hitch |
| 5395505 |
mulching |
|
a layer of mulch can efficiently absorb and hold water. |
| 5395501 |
site selection mistakes |
|
|
| 5395497 |
urban planting |
|
planning map for back yard showing utilities |
| 5395498 |
tree climbing competition |
|
Master's challenge |
| 5395499 |
fertilization |
|
Subsurface, drill-hole application of fertilizer requires drilling holes to a depth of 4 to 12 inches (4 to 8 preferred) and pouring a specified amount of fertilizer into each hole. There should be at least 2 inches between the top of the fertilizer and the surface of the soil. |
| 5395494 |
rigging (general) |
|
landing zone for rigging |
| 5395495 |
pruning (general) |
|
Landing zone for trimming operations |
| 5395496 |
urban planting |
|
planning map for back yard |
| 5395489 |
lightning protection |
|
|
| 5395490 |
lightning protection |
|
protection in a decurrent tree |
| 5395485 |
biological control (general) |
|
|
| 5395486 |
urban planting |
|
factors to consider in the urban landscape |
| 5395487 |
defoliation due to unknown cause |
|
|
| 5395480 |
ground worker |
|
some plants can cause rashes from allergic reaction |
| 5395482 |
chainsaw |
|
this quadrant of the bar tip is very susceptible to kickback |
| 5395474 |
tree injections |
|
|
| 5395469 |
drought |
|
using indicator plants for determining water stress |
| 5395470 |
drought |
|
using indicator plants for determining water stress |
| 5395471 |
utility line clearance pruning |
|
indirect contact |
| 5395472 |
planting |
|
showing interface in planting hole |
| 5395479 |
mulching |
|
keeping mulch from the base of a tree prevents rodents and other creachers from making a home at the base and potentially damaging the tree. |
| 5395468 |
lightning protection |
|
Attaching wire to grounding rod |
| 5395464 |
water budget |
|
diagram in series of planning for hydrozones |
| 5395465 |
water budget |
|
diagram in series of planning for hydrozones |
| 5395466 |
water budget |
|
diagram in series of planning for hydrozones |
| 5395204 |
water budget |
|
diagram in series of planning for hydrozones |
| 5395196 |
risk tree |
|
|
| 5395197 |
risk tree |
|
|
| 5395198 |
risk tree |
|
|
| 5377165 |
cabling |
|
cable to another tree |
| 5377166 |
cabling |
|
cabled to another tree |
| 5377167 |
cabling |
|
cabled to another tree |
| 5377177 |
water budget |
|
diagram in series of planning for hydrozones |
| 5377196 |
root zone excavation |
|
using air compressor driven tool such as air spade or air knife. |
| 5377223 |
fertilization |
|
nitrogen leaching |
| 5377169 |
cabling |
|
cable to another tree...through bolt is at the wrong angle relative to the pull of the cable |
| 5377170 |
cabling |
|
cable to another tree |
| 5377158 |
lightning protection |
|
|
| 5377159 |
tailgate safety |
|
when an emergency happens, it is important to call emergency services |
| 5377160 |
cabling |
|
cable to other tree |
| 5377163 |
staking |
|
guy wire to ground |
| 5377164 |
cabling |
|
guy wire to another tree |
| 5377150 |
grade change |
|
grade change at edge of root zone |
| 5377151 |
grade change |
|
grade change at edge of root zone |
| 5377152 |
grade change |
|
grade change on edge of root zone |
| 5377153 |
grade change |
|
grade change on edge of root zone |
| 5377154 |
grade change |
|
grade change well over edge of root zone |
| 5377155 |
grade change |
|
grade change well over edge of root zone |
| 5377148 |
tailgate safety |
|
filling a gas can |
| 5377149 |
stem girdling roots |
|
|
| 5377145 |
utilities |
|
electrical hazard |
| 5377140 |
felling |
|
|
| 5377141 |
planting |
|
|
| 5377142 |
utility line clearance pruning |
|
example of direct contact |
| 5377143 |
plant diagnostics |
|
|
| 5377147 |
drainage |
|
french drain |
| 5377136 |
plant diagnostics |
|
Doctor Dendro working with an arborist |
| 5377137 |
bracing |
|
cross-section of dead end bolt illustration |
| 5377138 |
cabling |
|
equation for percentage of sound wood for throughbolt applications |
| 5377139 |
urban planting |
|
planning for urban landscape and following a landscape design |
| 5377131 |
construction |
|
protecting trees during construction |
| 5377132 |
pre-climb inspection |
|
evaluationg possible crotch choices for climbing line placement |
| 5377133 |
pre-climb inspection |
|
Evaluating crotches while in tree for climbing line placement |
| 5377128 |
soil compaction |
|
|
| 5377135 |
tree worker |
|
|
| 5377123 |
air pollutants |
|
chronic stress caused by factory smoke |
| 5377125 |
tree worker |
|
basic tree worker personal protection equipment |
| 5377116 |
plant diagnostics |
|
various insects that feed on trees
|
| 5377117 |
soil compaction |
|
bulk density diagram |
| 5377118 |
cabling |
|
proper positioning of the cable |
| 5377111 |
lightning protection |
|
Tree lightning protection systems. |
| 5377112 |
ISA Publications |
|
|
| 5377113 |
utilities |
|
boots do not offer protection to electrical conductors |
| 5377114 |
chainsaw |
|
starting a bore cut |
| 5377115 |
ISA Publications |
|
|
| 5377106 |
drainage |
|
poor drainage site |
| 5377107 |
plant diagnostics |
|
|
| 5377108 |
water budget |
|
|
| 5377109 |
friction hitch |
|
Blake's hitch |
| 5377110 |
tree anatomy |
|
|
| 5377104 |
plant diagnostics |
|
|
| 5377097 |
crown reduction (pruning) |
|
proper location for a crown reduction cut |
| 5377098 |
allelopathy |
|
allelopathic effects |
| 5377099 |
human caused injury |
|
tree being injured |
| 5377100 |
soil compaction |
|
truck compacting soil over roots |
| 5377101 |
human caused injury |
|
now showing decline from past injuries |
| 5377103 |
abiotic stresses (general) |
|
mature tree predisposed to decline via abiotic stresses |
| 5377096 |
tree climbing competition |
|
setup for Belayed Speed Climb Event |
| 5377088 |
planting stock |
|
example of a bad nursery tree |
| 5377090 |
tree pit |
|
trees along street that have outgrown their locations |
| 5377078 |
ISA Publications |
|
|
| 5377081 |
lightning protection |
|
diagram of simple setup |
| 5377083 |
ISA Publications |
|
|
| 5377086 |
water budget |
|
|
| 5377067 |
cracks or splits |
|
|
| 5377062 |
branch union |
|
|
| 5377063 |
branch union |
|
|
| 5377064 |
crown thinning (pruning) |
|
|
| 5377065 |
crown raising (pruning) |
|
|
| 5377066 |
crown reduction (pruning) |
|
|
| 5376989 |
cabling |
|
cutting off excess of throughbolt |
| 5377001 |
cabling |
|
Top diagram shows proper alignment of lag or through bolt to cable |
| 5377082 |
lightning protection |
|
diagram of lines to multiple groundrods |
| 5377056 |
staking |
|
different ways to stake a tree |
| 5376983 |
ground worker |
|
using a cant hook for rolling logs |
| 5430411 |
climbing work |
|
|
| 5430374 |
staking |
|
|
| 5395507 |
static tree support |
|
multiple support systems |
| 5395502 |
site selection mistakes |
|
|
| 5395506 |
organic mulch |
|
bag of wood chip mulch |
| 5395500 |
tree worker |
|
method of ascent using slack tender |
| 5395473 |
crown cleaning (pruning) |
|
removing dead branches from conifer |
| 5377168 |
cabling |
|
cabled to another tree |
| 5395463 |
staking |
|
|
| 5377161 |
staking |
|
guy wire to ground |
| 5377124 |
tree worker |
|
|
| 5377157 |
staking |
|
ground anchor on spruce |
| 5377126 |
dynamic tree support |
|
showing Cobra system |
| 5377071 |
cabling |
|
showing hand wrap cable termination |
| 5377070 |
cabling |
|
cable wrap and thimble |
| 5376999 |
cabling |
|
position of a cable relative to branch union being supported |
| 5430412 |
pruning (general) |
|
|
| 5395476 |
plant diagnostics |
|
examining a pheromone trap |
| 5395484 |
chainsaw |
|
the action of kickback |
| 5395483 |
chainsaw |
|
the action of kickback |
| 5395475 |
plant diagnostics |
|
|
| 5377144 |
cabling |
|
when using electric tools in the tree the tolls should be secured with a lanyard even during use. This setup does not provide for secure use. |
| 5377146 |
cabling |
|
When using electric tools in the tree the tolls should be secured with a lanyard even during use. This setup does provide for secure use. |
| 5377095 |
felling |
|
preventing barber chair |
| 5377121 |
chipping |
|
basic safety |
| 5377134 |
cabling |
|
showing recommended distance for cabling on same stem. Cables should be at least the diameter of the stem apart if not more. |
| 5377092 |
felling |
|
2 of 4 showing development of barber chair |
| 5377093 |
felling |
|
3 of 4 showing development of barber chair |
| 5377094 |
felling |
|
4 of 4 showing development of barber chair |
| 5377080 |
bracing |
|
|
| 5377091 |
felling |
|
1 of 4 showing development of barber chair |
| 5377089 |
rigging (general) |
|
balancing a load |
| 5377077 |
cabling |
|
Arrangement of multiple cables on one lag or through-bolt. |
| 5377085 |
tree worker |
|
using the climbing line to reach the tip of a limb |
| 5377087 |
rigging (general) |
|
|
| 5377084 |
chainsaw |
|
use of chainsaw in limb removal while aloft |
| 5377004 |
cabling |
|
staggering of cables on same stem |
| 5377002 |
cabling |
|
Demonstration of cable |
| 5376982 |
chainsaw |
|
basic safety |
| 5376993 |
cabling |
|
Demonstrates come-along for cable installation pulling two leads/branches/trees together. |
| 5377005 |
cabling |
|
diagram of lag several years after installation |
| 5376979 |
mechanical advantadge |
|
using a 2-1 mechanical advantadge |
| 5376986 |
cabling |
|
|
| 5376987 |
cabling |
|
lag and through bolt hardware |
| 5430416 |
soil & water |
|
begining of series on water movement through different soil types |
| 5377058 |
branch union |
|
branch attachment |
| 5377059 |
crown reduction (pruning) |
|
|
| 5377061 |
branch union |
|
|
| 5377057 |
staking |
|
different stakes or anchors used with trees |
| 5377055 |
planting |
|
|
| 5377051 |
planting |
|
|
| 5377052 |
planting |
|
showing comparison of proper technique with backet removed or cut back and impropper technique with basket left in place. |
| 5377053 |
planting |
|
compating planting hole shape and root development |
| 5377045 |
ISA Publications |
|
|
| 5377046 |
ISA Publications |
|
|
| 5377048 |
planting |
|
|
| 5377049 |
planting |
|
with taproot |
| 5377050 |
stem girdling roots |
|
circling roots |
| 5377043 |
water budget |
|
Water use within the landscape |
| 5377040 |
soil aggregates |
|
Soil particles at different soil moisture contents |
| 5377041 |
soil aggregates |
|
movement of watter in different soil types |
| 5377042 |
irrigation |
|
sprinkler in yard |
| 5377038 |
soil aggregates |
|
movement of water through different soil types |
| 5377039 |
soil aggregates |
|
movement of water through different soil types |
| 5377035 |
soil aggregates |
|
soil particles |
| 5377036 |
soil aggregates |
|
soil particles at field capacity
|
| 5377026 |
tree anatomy |
|
pinnate leaf on stem |
| 5377032 |
soil aggregates |
|
showing general composition of soil |
| 5377033 |
soil horizons |
|
showing example of soil horizons |
| 5377020 |
tree anatomy |
|
the tree, the inputs and outputs with its environment and its internal allocations of resources |
| 5377021 |
tree anatomy |
|
Graph of Photosynthesis and growth rate as water or nutrient availability varies |
| 5377022 |
tree anatomy |
|
Graph of Photosynthesis, growth rate, and allelochemical concentration (secondary metabolites) water or nutrient availability varies |
| 5377023 |
abiotic stresses (general) |
|
abiotic stresses can begin teh cycle of decline where a mature tree becomes predisposed to further stresses as well as insect and disease problems followed be the continued decline of the tree and substantial dieback. |
| 5377024 |
plant diagnostics |
|
The Appropriate Response Process (ARP) can be used to evaluate the various aspects of a situation and determint the proper course of action based on the condition of the plant, the envieonmen the plant is in, and the perceptions and expectations of the client. It is a continuing process since it is necessary to re-evaluate the situation as variables change. |
| 5377015 |
plant diagnostics |
|
foliage symptoms |
| 5377017 |
allelopathy |
|
|
| 5377018 |
plant diagnostics |
|
|
| 5377019 |
Dutch elm disease |
Ophiostoma ulmi |
disease cycle |
| 5377014 |
Compartmentalization Of Decay In Trees (CODIT) |
|
|
| 5377009 |
tree anatomy |
|
leaf cross-section |
| 5377012 |
tree anatomy |
|
basic diagram of photosynthesis |
| 5377007 |
tree anatomy |
|
diagram of twig |
| 5377008 |
branch union |
|
branch bark collar |
| 5377003 |
cabling |
|
different static support system configurations |
| 5376994 |
cabling |
|
Chicago grip |
| 5376997 |
cabling |
|
Demonstrating hand wrap technique of terminating a cable |
| 5376988 |
cabling |
|
typical equipment used in installing cables; drill and come-a-long attached to sling |
| 5376990 |
cabling |
|
seating washer and bolt of throughrod against trunk |
| 5376991 |
cabling |
|
quick wrap and thimble used in cable termination in cable installation |
| 5376992 |
cabling |
|
process of using a cable wrap or quickend to terminate a cable |
| 5376981 |
construction |
|
Soil trenching/tunneling during construction. Possible root loss. Circle depicts dripline. |
| 5395478 |
planting |
|
|
| 5377129 |
fertilization |
|
depending on the nutrient content of the soils, a complete fertilizer may not be needed. A soil test prior to fertilizer application is recommended. |
| 5377122 |
chlorosis (general symptom) |
|
|
| 5430414 |
soil & water |
|
showing root hairs surrounded by soil particles and water |
| 5395481 |
chainsaw |
|
Different chain types to prevent kickback |
| 5395195 |
ISA Publications |
|
|
| 5377156 |
ground worker |
|
ground worker personal protection equipment |
| 5377171 |
planting |
|
|
| 5377119 |
planting stock |
|
balled and burlapped stock |
| 5377105 |
planting |
|
planting too deep |
| 5377044 |
ISA Publications |
|
|
| 5376984 |
ground worker |
|
Showing proper lifting technique |
| 5376998 |
cabling |
|
tree prior to cable installation |
| 5377010 |
tree anatomy |
|
leaf cross-section |
| 5377011 |
tree anatomy |
|
root tip and root hairs |
| 5377069 |
cabling |
|
through bolt hardware |
| 5377068 |
cabling |
|
right and left handed lags |
| 5377047 |
tree anatomy |
|
Tree habits; Pyramidal, Oval, Palm, Irregular, Columnar, Round, Vase, multi-trunk |
| 5377029 |
tree anatomy |
|
Leaf bases; acute, rounded, cordate, oblique, auriculate |
| 5377030 |
tree anatomy |
|
leaf tips; acuminate, acute, obtuse, obcordate, cuspidate |
| 5377016 |
sapsucker injury |
|
|
| 5376995 |
cabling |
|
cable cutting equipment |
| 5376996 |
cabling |
|
cable aid; used to tighten lags and aid in cable installation |
| 5377034 |
soil aggregates |
|
soil texture triangle |
| 5377037 |
soil aggregates |
|
Chart showing available water by soil texture |
| 5430415 |
soil & water |
|
showing root hairs |
| 5395488 |
tree anatomy |
|
leaf types |
| 5377027 |
tree anatomy |
|
compound leaves; pinnately compound, bipinnately compound, palmately compound |
| 5377025 |
tree anatomy |
|
Leaf on stem |
| 5377028 |
tree anatomy |
|
compound leaf types; pinnate, bipinnate, palmate |
| 5377031 |
tree anatomy |
|
Leaf margins; From Top left to bottom right - Entire, Serrate, Serrulate, Doubly-Serate, Dentate, Crenate, Undulate, Lobed |
| 5394721 |
Compartmentalization Of Decay In Trees (CODIT) |
|
Wound compartmentalization. |
| 5394623 |
Personal Protective Equipment |
|
Use of personal protective equipment (PPE). |
| 5377127 |
ISA Publications |
|
|
| 5377054 |
soil compaction |
|
|
| 5394796 |
urban ecosystem |
|
|
| 5394797 |
urban ecosystem |
|
|
| 5394794 |
risk tree |
|
|
| 5394793 |
storm damage (general) |
|
|
| 5394792 |
storm damage (general) |
|
|
| 5394791 |
storm damage (general) |
|
|
| 5394790 |
sanitation/salvage |
|
|
| 5394786 |
urban ecosystem |
|
|
| 5394779 |
urban ecosystem |
|
|
| 5394756 |
decay |
|
Physical damage to the base of the tree probably caused by lawnmowers/trimmers. |
| 5394734 |
pruning (general) |
|
Urban tree requiring pruning. |
| 5394730 |
urban ecosystem |
|
|
| 5394628 |
ISA Other Meetings |
|
Arborists/foresters and the media. Public relations. |
| 5394629 |
crane |
|
Crane/aerial lift use. |
| 5394627 |
ISA Other Meetings |
|
Arborists/foresters and the media. Public relations. |
| 5394563 |
ISA EGS |
|
Using computer-based tree identification keys. |
| 5394727 |
sweetgum |
Liquidambar styraciflua |
Liquidambar styraciflua ‘Rotundiloba’ |
| 5394725 |
sweetgum |
Liquidambar styraciflua |
Liquidambar styraciflua ‘Rotundiloba' |
| 5394719 |
urban ecosystem |
|
Commercial arboriculture. |
| 5394708 |
emerald ash borer |
Agrilus planipennis |
"D" shaped exit hole |
| 5394650 |
ISA Other Meetings |
|
Arborists/foresters talk with the media. Public relations. |
| 5394648 |
ISA Other Meetings |
|
Arborists/foresters talking with the media. Public relations. |
| 5394647 |
ISA Other Meetings |
|
Arborists/foresters talking with the media. Public relations. |
| 5394646 |
Meeting, unknown location |
|
Risk assessment, consulting, job-site meeting. |
| 5394642 |
ISA Other Meetings |
|
Arborists/foresters talking with the media. Public relations. |
| 5394640 |
urban ecosystem |
|
|
| 5394638 |
ISA Other Meetings |
|
Arborists/foresters talking with the media. Public relations. |
| 5394637 |
ISA Other Meetings |
|
Observing trees. |
| 5394630 |
crane |
|
Use of crane (aerial lift). |
| 5394625 |
crane |
|
Crane (aerial lift) use. |
| 5394626 |
crane |
|
Crane (aerial lift) use. |
| 5394620 |
crane |
|
Crane (aerial lift) use. |
| 5394616 |
urban ecosystem |
|
Urban park scene. Media and photo shoot. |
| 5394614 |
crane |
|
Crane (aerial lift) use. |
| 5394613 |
crane |
|
Crane (aerial lift) use. |
| 5394612 |
crane |
|
|
| 5394581 |
crabapple and apple |
Malus spp. |
|
| 5394578 |
mulching |
|
|
| 5394680 |
emerald ash borer |
Agrilus planipennis |
Bumper sticker aimed at raising awarness of the fact that firewood is one of the key ways that many insects and diseases can be transported. |
| 5395493 |
tree worker |
|
limit to double crotch technique |
| 5395492 |
lightning protection |
|
protection in a three-trunked, decurrent tree
|
| 5395491 |
lightning protection |
|
protection in an excurrent tree |