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Temporal and Spatial Invasion

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Page 1: Temporal and Spatial Invasion. Time Generation and ‘a half’ Field invasion Large fires First generation poor wood quality – “wolf trees”

Temporal and Spatial Invasion

Page 2: Temporal and Spatial Invasion. Time Generation and ‘a half’ Field invasion Large fires First generation poor wood quality – “wolf trees”
Page 3: Temporal and Spatial Invasion. Time Generation and ‘a half’ Field invasion Large fires First generation poor wood quality – “wolf trees”
Page 4: Temporal and Spatial Invasion. Time Generation and ‘a half’ Field invasion Large fires First generation poor wood quality – “wolf trees”
Page 5: Temporal and Spatial Invasion. Time Generation and ‘a half’ Field invasion Large fires First generation poor wood quality – “wolf trees”

Time

Page 6: Temporal and Spatial Invasion. Time Generation and ‘a half’ Field invasion Large fires First generation poor wood quality – “wolf trees”
Page 7: Temporal and Spatial Invasion. Time Generation and ‘a half’ Field invasion Large fires First generation poor wood quality – “wolf trees”
Page 8: Temporal and Spatial Invasion. Time Generation and ‘a half’ Field invasion Large fires First generation poor wood quality – “wolf trees”

Generation and ‘a half’

• Field invasion

• Large fires

• First generation poor wood quality– “wolf trees”

Page 9: Temporal and Spatial Invasion. Time Generation and ‘a half’ Field invasion Large fires First generation poor wood quality – “wolf trees”

0 2 4 6 8 10 12 140

2

4

6

8

10

12

14

16

18

INVASION

Harsher siteMesic site

YEARS AFTER DISTURBANCE

# O

F TR

EES

Page 10: Temporal and Spatial Invasion. Time Generation and ‘a half’ Field invasion Large fires First generation poor wood quality – “wolf trees”

Cohort

Cohort = all trees that initiate after a disturbance. Oldest trees in a cohort are those that initiate first; youngest trees are those that initiate just before all growing space is occupied.

Page 11: Temporal and Spatial Invasion. Time Generation and ‘a half’ Field invasion Large fires First generation poor wood quality – “wolf trees”

Cohorts

Age

Nu

mb

er o

f tr

ees

Page 12: Temporal and Spatial Invasion. Time Generation and ‘a half’ Field invasion Large fires First generation poor wood quality – “wolf trees”
Page 13: Temporal and Spatial Invasion. Time Generation and ‘a half’ Field invasion Large fires First generation poor wood quality – “wolf trees”
Page 14: Temporal and Spatial Invasion. Time Generation and ‘a half’ Field invasion Large fires First generation poor wood quality – “wolf trees”

Space

Page 15: Temporal and Spatial Invasion. Time Generation and ‘a half’ Field invasion Large fires First generation poor wood quality – “wolf trees”
Page 16: Temporal and Spatial Invasion. Time Generation and ‘a half’ Field invasion Large fires First generation poor wood quality – “wolf trees”
Page 17: Temporal and Spatial Invasion. Time Generation and ‘a half’ Field invasion Large fires First generation poor wood quality – “wolf trees”

CLUMPINESS

• Variable density

• Microsite

Page 18: Temporal and Spatial Invasion. Time Generation and ‘a half’ Field invasion Large fires First generation poor wood quality – “wolf trees”

Stem maps?

• Asymmetric crowns

• Leaning trees

Page 19: Temporal and Spatial Invasion. Time Generation and ‘a half’ Field invasion Large fires First generation poor wood quality – “wolf trees”
Page 20: Temporal and Spatial Invasion. Time Generation and ‘a half’ Field invasion Large fires First generation poor wood quality – “wolf trees”
Page 21: Temporal and Spatial Invasion. Time Generation and ‘a half’ Field invasion Large fires First generation poor wood quality – “wolf trees”
Page 22: Temporal and Spatial Invasion. Time Generation and ‘a half’ Field invasion Large fires First generation poor wood quality – “wolf trees”
Page 23: Temporal and Spatial Invasion. Time Generation and ‘a half’ Field invasion Large fires First generation poor wood quality – “wolf trees”
Page 24: Temporal and Spatial Invasion. Time Generation and ‘a half’ Field invasion Large fires First generation poor wood quality – “wolf trees”

Including the 3rd dimension

• Lower strata can be clumped at a different spatial scale

Page 25: Temporal and Spatial Invasion. Time Generation and ‘a half’ Field invasion Large fires First generation poor wood quality – “wolf trees”
Page 26: Temporal and Spatial Invasion. Time Generation and ‘a half’ Field invasion Large fires First generation poor wood quality – “wolf trees”
Page 27: Temporal and Spatial Invasion. Time Generation and ‘a half’ Field invasion Large fires First generation poor wood quality – “wolf trees”
Page 28: Temporal and Spatial Invasion. Time Generation and ‘a half’ Field invasion Large fires First generation poor wood quality – “wolf trees”
Page 29: Temporal and Spatial Invasion. Time Generation and ‘a half’ Field invasion Large fires First generation poor wood quality – “wolf trees”

• Scale

• Grain size

Page 30: Temporal and Spatial Invasion. Time Generation and ‘a half’ Field invasion Large fires First generation poor wood quality – “wolf trees”

A B C D

E F G H

Random?

Page 31: Temporal and Spatial Invasion. Time Generation and ‘a half’ Field invasion Large fires First generation poor wood quality – “wolf trees”

Seeing The Forest Beyond The Trees

Basic Stocking

Page 32: Temporal and Spatial Invasion. Time Generation and ‘a half’ Field invasion Large fires First generation poor wood quality – “wolf trees”

Seeing The Forest Beyond The Trees

Basic Stocking

Page 33: Temporal and Spatial Invasion. Time Generation and ‘a half’ Field invasion Large fires First generation poor wood quality – “wolf trees”

Seeing The Forest Beyond The Trees

Basic Stocking

Page 34: Temporal and Spatial Invasion. Time Generation and ‘a half’ Field invasion Large fires First generation poor wood quality – “wolf trees”

Seeing The Forest Beyond The Trees

Basic Stocking

Page 35: Temporal and Spatial Invasion. Time Generation and ‘a half’ Field invasion Large fires First generation poor wood quality – “wolf trees”

Seeing The Forest Beyond The Trees

Basic Stocking

Page 36: Temporal and Spatial Invasion. Time Generation and ‘a half’ Field invasion Large fires First generation poor wood quality – “wolf trees”

Seeing The Forest Beyond The Trees

Basic Stocking

Page 37: Temporal and Spatial Invasion. Time Generation and ‘a half’ Field invasion Large fires First generation poor wood quality – “wolf trees”

Seeing The Forest Beyond The Trees

Basic Stocking and Yield

1.0

0.0

Rel

ativ

e Y

ield

Stocking

Page 38: Temporal and Spatial Invasion. Time Generation and ‘a half’ Field invasion Large fires First generation poor wood quality – “wolf trees”

Seeing The Forest Beyond The Trees

Elements of Regeneration Stocking

Basic• Are there enough trees to occupy all of

the available growing space?

Enhanced• Is the growing space allocated in a

manner that we will achieve our desired future forest condition?

Page 39: Temporal and Spatial Invasion. Time Generation and ‘a half’ Field invasion Large fires First generation poor wood quality – “wolf trees”

Seeing The Forest Beyond The Trees

Allocation of Growing Space- a simple case -

Page 40: Temporal and Spatial Invasion. Time Generation and ‘a half’ Field invasion Large fires First generation poor wood quality – “wolf trees”

Seeing The Forest Beyond The Trees

Allocation of Growing Space- a more complex case -

• Species composition• Species Intermingling• Spatial Pattern• Vertical Structure• Scale• Stand Density

Page 41: Temporal and Spatial Invasion. Time Generation and ‘a half’ Field invasion Large fires First generation poor wood quality – “wolf trees”

Seeing The Forest Beyond The Trees

Succession - Conifers

Page 42: Temporal and Spatial Invasion. Time Generation and ‘a half’ Field invasion Large fires First generation poor wood quality – “wolf trees”

Seeing The Forest Beyond The Trees

Succession - Conifers

Page 43: Temporal and Spatial Invasion. Time Generation and ‘a half’ Field invasion Large fires First generation poor wood quality – “wolf trees”

Seeing The Forest Beyond The Trees

Succession - Conifers

Page 44: Temporal and Spatial Invasion. Time Generation and ‘a half’ Field invasion Large fires First generation poor wood quality – “wolf trees”

Seeing The Forest Beyond The Trees

Succession - Conifers

Page 45: Temporal and Spatial Invasion. Time Generation and ‘a half’ Field invasion Large fires First generation poor wood quality – “wolf trees”

Seeing The Forest Beyond The Trees

Succession - Conifers

Page 46: Temporal and Spatial Invasion. Time Generation and ‘a half’ Field invasion Large fires First generation poor wood quality – “wolf trees”

Seeing The Forest Beyond The Trees

Succession - Mixedwoods

Page 47: Temporal and Spatial Invasion. Time Generation and ‘a half’ Field invasion Large fires First generation poor wood quality – “wolf trees”

Seeing The Forest Beyond The Trees

The Conifer Free-Growing Paradigm

OK Not OK

Page 48: Temporal and Spatial Invasion. Time Generation and ‘a half’ Field invasion Large fires First generation poor wood quality – “wolf trees”

Seeing The Forest Beyond The Trees

The Conifer Free-Growing Paradigm

Mixedwoods are a continuumof competitive conditions

Page 49: Temporal and Spatial Invasion. Time Generation and ‘a half’ Field invasion Large fires First generation poor wood quality – “wolf trees”

Seeing The Forest Beyond The Trees

New Mixedwood Paradigmfor Regeneration Standards

C CD DC D


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