1-S6ZEOOSOO

Tre

e C

anop

y A

sses

smen

t

Sus

tain

abili

ty &

Env

ironm

ent

Sub

-Cab

inet

Apr

il 9,

200

9

Sea

ttle

reL

eaf

keep

the

emer

ald

city

gre

en

Tre

e C

anop

y A

sses

smen

t Goa

ls

• P

riorit

ize

City

inve

stm

ents

to th

ose

actio

nsth

at w

ill c

reat

e th

e gr

eate

st tr

ee c

anop

yga

in Cur

rent

can

opy

cove

r an

d re

cent

tren

ds in

cano

py g

ain

and

loss

Impa

cts

of d

evel

opm

ent

Pla

ntin

g po

tent

ial

Bas

elin

e to

mon

itor

our

prog

ress

aga

inst

the

30%

can

opy

cove

r go

al

Z96ZEO0S00

ES6ZEO0S00

Ass

essm

ent A

ppro

ach

• H

igh

reso

lutio

n sa

telli

te d

ata

(2' f

oot)

• T

wo-

dim

ensi

onal

, inf

rare

d•

Adv

ance

d da

ta e

xtra

ctio

n &

ana

lysi

ste

chni

ques

• S

imila

r to

ass

essm

ents

don

e in

oth

er c

ities

• S

umm

er 2

003

(w/h

azy

area

s re

plac

ed w

ith20

02 d

ata)

& s

umm

er 2

007

data

• C

olla

bora

tive

effo

rt a

cros

s m

ultip

le C

ityde

part

men

ts

Pre

viou

s A

sses

smen

t

• D

ata

sour

ce:

read

ily a

vaila

ble,

free

regi

onal

rem

ote

sens

ing

data

(LI

DA

R)

• T

hree

dim

ensi

onal

- v

olum

e•

Imag

es n

ot g

ener

ated

for

this

type

of u

se•

Col

lect

ed in

win

ter

• H

ighe

r m

argi

n o

f err

or

1796ZEO0S00

Tre

e C

anop

y A

naly

sis

Par

amet

ers

• C

ityw

ide

• La

nd U

se C

ateg

orie

s si

ngle

-fam

ily, m

ulti

-fam

ily, m

anuf

actu

ring/

indu

stria

l,do

wnt

own,

dev

elop

ed p

arks

, par

ks n

atur

alar

eas,

com

mer

cial

/mix

ed u

se, i

nstit

utio

nal

RO

W a

nd P

rivat

e P

rope

rty

• C

omm

unity

Rep

ortin

g A

reas

(C

RA

s)•

Urb

an V

illag

es

996ZEO0S00

Pre

limin

ary

Res

ults

• C

ityw

ide

tree

can

opy

cove

r in

200

7 w

as a

bout

23%

• C

anop

y co

ver

city

wid

e is

rel

ativ

ely

stab

le w

ithga

ins

bala

ncin

g lo

sses

and

a s

light

gai

n ov

eral

l•

RO

W tr

ee c

over

is in

crea

sing

mor

e qu

ickl

y th

anno

n-R

OW

pro

pert

y•

Sig

nific

ant c

anop

y lo

ss o

ccur

s du

ring

rede

velo

pmen

t•

We

need

to d

oubl

e th

e ac

res

of c

anop

y in

crea

seea

ch y

ear

to m

eet t

he 3

0% g

oal b

y 20

37

996ZEO0S00

Pre

limin

ary

Res

ults

Con

't

i•

Sm

all g

ains

ove

rall

n m

ost l

and

uses

• P

arks

nat

ural

are

a de

clin

ed w

hich

we

expe

cted

- G

reen

Sea

ttle

Par

tner

ship

• D

evel

oped

par

ks s

how

som

e de

clin

es, w

ear

e ev

alua

ting

• R

OW

incr

ease

d 1%

RO

W is

27%

of t

he c

ity a

nd 6

1% o

f can

opy

cove

r ga

in

L96ZEO0S00

La

nd

Use

Ca

teg

ory

2002

Canopy

Co

ver

2007

Canopy

Co

ver

Go

al

Ca

no

py

Co

ver

Com

merc

ial/

Mix

ed U

se8.

4%9.

7%

15%

De

velo

pe

d P

ark

or

Bo

ule

vard

25.9

%25

.5%

25%

Do

wn

tow

n4.

2%4.

7%12

%

Majo

r Institu

tion

18.4

%19

.4%

20%

Manufa

cturing/

Ind

ust

ria

l3.

8%4.

3%10

%

Mu

lti-F

am

ily16

.6%

17.1

%20

%

Pa

rks

Natu

ral A

rea

82.5

%80

.4%

80%

Sin

gle

Fa

mily

25.2

%25

.7%

31%

Tota

l22

.5%

22.9

%30

%

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696ZEO0S00

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Tre

e C

anop

y C

hang

e 20

02-2

007

No

Cha

nge

(non

-can

opy

in 0

2 &

07)

Neg

ativ

e C

hang

e (c

anop

y lo

st b

etw

een

02 &

07)

Pos

itive

Cha

nge

(new

can

opy

sinc

e 20

02)

No

Cha

nge

(can

opy

in b

oth

02 &

07)

Tre

e C

an

op

y in

Speci

fic G

eo

gra

ph

ic A

rea

s

Perc

ent o

fC

ityin

the

Geogra

phy

2002

Canopy

Cove

r

2007

Canopy

Cove

r

Perc

ent

Ch

an

ge

CR

As/

City

wid

e10

0%22

.5%

22.9

%0.

4%

Urb

an V

illages

28%

8.4%

9.4%

1.0%

Re

de

velo

pe

d P

arc

els

1.78

%13

.2%

9.4%

- 3.

8%

RO

W28

%16

.4%

17.4

%1.

0%

Non

-RO

W72

%24

.8%

25%

0.2%

096ZEO0S00

Red

evel

oped

Par

cels

• 2,

262

parc

els

tota

ling

947

acre

s or

1.7

8% o

f the

city

• R

esul

ted

in th

e lo

ss o

f 35

acre

s of t

ree

cove

r on

rede

velo

ped

parc

els

• 80

% o

f los

s w

as o

n si

ngle

and

mul

ti-fa

mily

resi

dent

ial w

hich

was

25%

of r

edev

elop

ed a

rea

• 29

% o

f exi

stin

g tr

ees

wer

e re

mov

ed o

nre

deve

lope

d pa

rcel

s—

40%

of e

xist

ing

tree

s on

SF

— 70

% o

f exi

stin

g tr

ees

on M

F

1.96ZEO0S00

Z96ZEO0S00

Redeve

loped P

arc

el C

anopy

Co

ver

Change

Tre

e

Pa

rce

lT

ota

l C

ove

r T

ree

Exi

stin

gR

ed

eve

lop

ed

C

hange

Co

ver

Tre

eP

arc

el A

rea

02

- 0

7 C

hange

Co

ver

La

nd

Use

Ca

teg

ory

(A

cre

) (A

cre

) 02

- 0

7 D

ecl

ine

Com

merc

ial/

Mix

ed

Use

22

4.9

-4.9

-2

.2%

-3

3.8%

Do

wn

tow

n

30.4

-0

.8

-2.7

%

-60.

6%

Majo

r In

stitu

tions

157.

5 -1

.0

-0.7

%

-3.0

%

Ma

nu

fact

urin

g/

Indust

rial

265.

4 0.

2 0.

1%

2.1%

Mu

lti-F

am

ily

74.9

-9

.1

-12.

2%

-69.

2%

Sin

gle

Fa

mily

16

0.4

-19.

5 -1

2.1%

-4

0.4%

Tota

l 91

3.5

-35.

2 -3

.9%

-2

9%

Com

mun

ity R

epor

ting

Are

as(5

3 C

RA

s)•

Can

opy

in le

ss d

evel

oped

are

as te

nded

tode

crea

se6

CR

As

had

a 3%

or

grea

ter

decl

ine

and

all o

fth

ese

wer

e so

uth

of d

ownt

own

Sig

nific

ant a

reas

of r

emai

ning

fore

st la

nd in

SF

zon

es w

ere

rede

velo

ped

in th

ese

area

s

• C

anop

y in

fully

dev

elop

ed a

reas

tend

ed to

incr

ease

8 C

RA

's h

ad a

3%

or

grea

ter

incr

ease

and

all

of t

hese

wer

e no

rth

of d

ownt

own

E96ZEO0S00

CR

A's

con

't

• 8

CR

As

had

sing

le fa

mily

zon

es w

ith c

anop

yco

ver of

<20%

— B

alla

rd, B

eaco

n H

ill, G

eorg

etow

n, J

udki

ns P

ark,

N.

Bea

con

Hill

, Rox

hill,

W. S

eattl

e Ju

nctio

n, W

hitti

erH

eigh

ts

• 12

CR

As

have

ove

rall

tree

can

opy

<15%

— C

lust

er in

cen

ter o

f City

: do

wnt

own,

Bel

!tow

n, J

udki

ns,

Firs

t Hill

, Pio

neer

Sq,

Cap

ital H

ill, E

astla

ke—

Sou

th: D

uwam

ish,

Sou

th P

ark,

Geo

rget

own

— N

orth

: B

alla

rd, I

nter

bay

1796ZEO0S00

996ZEO0S00 T

ree

Canopy

Ch

an

ge

Co

mm

un

ity R

ep

ort

ing

Are

as

(CR

A's

),S

ea

ttle

, W

A

io20

02-2

007

.8.3

Pe

rce

nt C

hange in

Ca

no

py

Cove

r

PC

T,C

HA

NG

E

11.1

LOSS

3

%

Lo ss

2 -3

%

Logs

1-2

%

Loss

0-1

%

Gain

0 - 1

%

Gai

n 1

-2%

Gan

2-3

%

Gee

b. 3

%

NO

TE

:-

Larg

e la

bels

are

cha

nge

Inac

reag

e pe

r C

RA

- S

mal

l lab

els

are

tota

l acr

eage

3.5

1

2 M

-los

11

11

11

11

1

0.3

727

.2.1

N f7t1

}137

2

203

Lu

g 1

7

292

41.3

8.7

1 22

9

8.6

996ZEO0S00

Tre

e C

an

op

y C

ove

r 20

07S

ing

le F

am

ily R

esi

de

ntia

lS

ea

ttle

, WA

2007

Tre

e C

anopy C

ove

r rii}

Sin

gh) F

en

ny

Roeid

entla

l b

y C

.2s

I-1 2

3- 3

0X

I- 4

C

=H

O1--

1 Na

31-g

le F

ain?

Ler

nlus

e

Man

gle

Farn

ly R

esid

errI1

5 C

arom

. Cc,

x-.<

2E%

0.5

1

2 ro

esI

II!

I,

I

Urb

an V

illag

es

• A

vera

ge c

anop

y co

ver -

9.4

%—

Ran

ge fr

om 2

5% U

nive

rsity

Cam

pus

to 4

% G

reat

erD

uwam

ish

and

Bal

lard

Inte

rbay

• A

vera

ge g

ain

of 1

'Y°

cano

py c

over

• U

rban

Vill

ages

with

gai

ns o

ver

3%—

Mad

ison

Mill

er, R

oose

velt,

Wal

lingf

ord

• U

rban

vill

ages

with

can

opy

cove

r lo

ssC

olum

bia

City

-

.8%

MLK

at H

olly

-1

.2%

Mor

gan

Junc

tion

-2.1

%W

estw

ood

-1.3

%

L96ZEO0S00

996ZEO0S00

Str

ateg

y O

ptio

ns

• R

egul

atio

nsD

urin

g de

velo

pmen

t

Out

side

of d

evel

opm

ent

Str

eet t

ree

regu

latio

ns

• In

cent

ives

& O

utre

ach

Exp

ande

d D

ON

Tre

e F

und

Bro

ader

sca

le tr

ee g

ivea

way

sU

tility

rat

e in

cent

ives

Exp

and

Sea

ttle

reLe

af o

utre

ach

Com

mun

ity O

utre

ach

• R

econ

vene

pee

r gr

oup

that

rev

iew

ed th

edr

aft U

FM

P to

rev

iew

res

ults

and

pot

entia

lst

rate

gies

• C

reat

e a

web

-bas

ed p

rese

ntat

ion

and

surv

ey to

ol•

Pur

sue

earn

ed m

edia

to r

aise

com

mun

ityin

tere

st•

Hos

t 2 p

ublic

wor

ksho

ps

recr

uit

com

mun

ity g

roup

par

ticip

atio

n

696ZEO0S00

Rol

l Out

Pha

se I

end

of A

pril

• P

ress

brie

fing

4/23

and

Cou

ncil

brie

fing

4/28

— R

esul

ts s

umm

ary-

city

wid

e, C

RA

, and

urb

an v

illag

eca

nopy

cov

er b

y la

nd u

se—

Str

ateg

y op

tions

Pha

se II

— M

ay/J

une

• P

eer

revi

ew a

nd c

omm

unity

wor

ksho

ps—

Res

ults

sum

mar

y pl

us p

lant

ing

pote

ntia

l

— S

trat

egy

optio

ns a

nd p

lann

ing

issu

es

OL6ZEOOSOO