Tree Biology
Tree roots grow towards this
water
What can we do about girdling roots?
root prune
What are two trees we plant in neighborhoods that are considered large in size?
Red push pistache, Joan lionetti oak, Blue palo verde, Netleaf hackberry, or the Velvet mesquite
What's one thing all volunteers should have at a planting?
Fun!! or close toed shoes, sun protection, and a water bottle
The time that we show up for Tree Plantings
8:45am
define 'deciduous trees'
Trees that shed their leaves, either seasonally or when there's a drought
How deep do we dig a planting hole?
the first lateral root should be at soil level
What size of tree is a screwbean mesquite?
Small
What are you going to teach your volunteers before you leave the park?
Tool and road safety
name 1 factor that could impact soil health in an urban environment
compaction, irrigation, concrete, toxicity, utilities
What are three functions of the trunk and branches?
water and nutrient conduction, strength or stability, defense
name 2 benefits of mulch
water retention, temperature regulation, suppress weeds, inhibit erosion, improve soil health
8', small tree 5'
What are symptoms of a heat stroke?
heavy sweating, cool, pale, and clammy skin
nausea or vomiting, dizziness, headache, muscle cramps, tiredness or weakness
Name 3 benefits of trees in our urban environment
air quality, erosion prevention, shade & cooling, habitat, carbon sequestration, wind and sound barriers, lower energy costs, increase property values, lower health bills, strengthen community, cultural importance, mental health
What are the four functions of the roots?
conduction, anchorage, absorption, and storage
describe a situation where we might want to stake a tree
-very sandy soil, intense wind speed, trees with very small root balls
How far do you need to be from a water line for a large tree?
10'
What do we always bring back to the van after the planting?
tools, pots, trash, and unplanted trees
describe how a YTL knows they are on the schedule for a tree planting event
from Saturday-Wednesday, RSVP for the event by clicking 'join' on the event post. On Thursday, log in to BAND to see if you are on the schedule.
This is a tree's natural defense system, which prevents decay organisms from spreading throughout the wood
CoDIT (Compartmentalization of Decay in Trees)
describe the 6 necessary steps for planting a tree
1. dig a hole
2. inspect roots
3. place tree
4. build basin
5. mulch
6. water
How can shading the house with a tree be more energy efficient?
What should you do if there is a dog in the yard when you approach the house?
Call the number found on the map to have the resident let you in or put the dog away.
What does a YTL wear at tree plantings?
hat & sun protection, reflective vest, gloves, closed toed shoes