TRUE OR FALSE
BRANCHES ARE MORE IMPORTANT THAN ROOTS
FALSE
WHAT IS A TREE?
A LONG-LIVED, WOODY, COMPARTMENTALIZING PERENNIAL. Some municipalities apply height requirements.
LEADING CAUSE OF MATURE URBAN TREE DECLINE
CONSTRUCTION AND DEVELOPMENT: inadequate tree protection, mistreating soils
WHICH WINTER ACTIVITY CAUSES THE MOST STRESS TO STREET TREES?
DE-ICING SALT
AVERAGE LIFESPAN OF URBAN TREES?
30-100 YEARS, MOST LIVE 50-70; though 20% of urban street trees are replaced within 5 years
SPRUCE AND PINE TREES HAVE LEAVES
TRUE: NEEDLES ARE A TYPE OF LEAF
WHAT IS THE ONLY PART OF A TREE THAT IS TECHNICALLY ALIVE?
DIRECTIONAL BORE IS MORE INVASIVE TO TREE ROOTS THAN TRENCHING?
FALSE
HOW MUCH COOLER IS IT UNDER THE SHADE OF A TREE THAN ON EXPOSED CONCRETE?
6-14 DEGREES CELSIUS
TREES ARE OFTEN BLAMED FOR WHICH COMMON HOUSEHOLD ISSUE?
SEWER BACKUPS; but pipes must already be cracked for root hairs to infiltrate
PALM TREES ARE TREES
FALSE, they are technically grasses
WHERE DOES OXYGEN ABSORPTION OCCUR?
THE ROOTS
HOW MANY CUBIC METRES OF SOIL DOES HAMILTON REQUIRE FOR A NEW TREE
21 m3, with a depth of 1m
WHICH SUMMER ACTIVITY CAN CAUSE SEVERE INJNURY TO TREE TRUNKS?
STRING TRIMMING (WEED WACKING)
TREES ARE AN ECONOMIC BURDEN? T/F
FALSE; there is measurable ROI for stormwater abatement, heat-related illnesses, erosion control etc
LOOKING AT TREES IS GOOD FOR YOUR HEALTH
TRUE: on a chemical level, looking at trees has neurological benefits. Being among them is even better.
HOW DEEP DO MOST TREE ROOTS TYPICALLY OCCUR?
WITHIN THE TOP 30-60CM. Environmental constraints and soil type are relevant factors.
HOW CAN ROOTS BE PROTECTED DURING CONSTRUCTION WHERE THERE ARE SPACE CONSTRAINTS?
HORIZONTAL MATTING TO REDUCE COMPACTION
MULCH IT! Mulch breaks down and provides nutrients to the soil to keep the tree healthy
HOW LONG DOES IT TAKE FOR A NEW TREE TO "BREAK EVEN" FINANCIALLY?
25 YEARS
TREES AND GRASS ARE FRIENDS
FALSE: they rarely occur together in nature
HOW MANY ESSENTIAL NUTRIENTS DO TREES REQUIRE?
AT LEAST 16: nitrogen, phosphorus, potassium, iron, calcium, magnesium, manganese, zinc, sulfur, boron, copper, chlorine, etc
WHICH SPECIES OF TREE MEETS ALL URBAN ENVIRONMENTAL CRITERA?
NONE
WHAT IS THE 3-30-300 RULE?
3 trees visible from your home
30% canopy cover
300m minimum to a public greenspace
TREES ARE NOT REMOVED FOR A "MINOR NUISSANCE"; NAME A MINOR NUISSANCE
LEAVES, TWIGS, SEEDS, FRUITS, INSECTS