CANOPY ââââââââââââââââââââââââ â Dead branches (D1) â â Exposed sapwood (D2) â â Fungal brackets (F1) â ââââââââââââââââââââââââ / | \ / | \ / | \ BRANCH CROTCHES (MOIST ZONE) ⢠Sap runs (S1) ⢠Water pockets (W1) ⢠Bark fissures (B3) ⢠Small cavities (C2) \ | / \|/ TRUNK ⢠Trunk cavities (C1) ⢠Woodpecker holes (C3) ⢠Rot columns (R1) ⢠Loose bark plates (B1) ⢠Annual fungal bodies (F2) || || || BASE OF TRUNK ⢠Basal cavities (C4) ⢠Soilâcontact fungi ⢠Moist bark pockets / \ / \ ROOT SYSTEM ⢠Shallow lateral roots ⢠Buttress roots ⢠Rootâplate cavities (RZ1) ⢠Mycorrhizae at root edge (M1) ⢠Soil invertebrate habitat Voir plus