Volumen del Suelo y los Arboles

Henry Mayer, Miami-Dade County Cooperative Extension ServiceJimmy Socash, ASLA, JFS Design Inc.

CIAB Miami, 2008

PercepciPercepcióónn acercaacerca de los de los beneficiosbeneficios de los de los arbolesarboles

Broward County

Hillsborough County

Pros

Broward County

Hillsborough County

Cons1. Hurricane damage from trees

1. Hurricane damage from trees

2. Tree damage to infrastructure

2. Falling trees & branches on power lines

3. Falling branches & trees on power lines

3. Tree damage to infrastructure

4. Falling branches and trees on property

4. Block signage

1.Provide shade

Improve

2.Aesthetics

3.Provide unique community

Character

4. Increased Property values

1. Improve aesthetics

2. Provide shade

3. Increased property values

4. Provide unique community character

Bosque Bosque UrbanoUrbano 20072007--20082008

Los BosquesUrbanos son diferentes y cambiam!!

*http://www.nrs.fs.fed.us/data/urban/state/?state=FL

A GREENPRINT FOR OUR FUTURE:MIAMI-DADE COUNTY

STREET TREE MASTER PLAN

33% - Average Nacional

11% - Average en Miami-Dade County

3% - Hialeah

30% Objetivo del TREE CANOPY GOAL for MIAMI-DADE STREET TREE MASTER PLAN

Para 2020…11 años ! ! !

Cobertura Vegetal

Miami-Dade County

• 36.7 Million de árboles,–83% in areas privadas

• 107 diferentes especies,• 3.7% en areas comúnes• CO2 retirado: 564,490 t per year,• CO2 guardado: 5,496,000 t,• Avoided CO2: 35,000 t per year

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”” ArbolArbol adecuadoadecuado en el Lugar en el Lugar AdecuadoAdecuado””

The Florida Native Plant SocietyThe Florida Native Plant Society

IFAS “Florida Friendly Yards” Program

9 Principles:1. Right Tree; Right Place2. Water Efficiently3. Fertilize Appropriately4. Mulch5. Attract Wildlife6. Manage Yard Pest Responsibly7. Recycle8. Reduce Stormwater Runoff9. Protect the Waterfront

MD Public Works RAAM

MD Public Works RAAM

• 50% de la población mundial vive en ciudades

• Urban Heat Islands

• Right Tree-Right Place

• Tropical Urban Environments

• Step to carbon sequestration

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Retención de agua

Preserve arboles existentes!

“Es mejor sembrar un árbol que cueste 50 cents en un hoyo que cueste 5 dolares”

Contract specification requirements: All trees FL grade No. 1 or better; UF-IFAS planting detail; post-plant inspection;

SIEMBRA

“El mayor problema de los árboles en lugaresurbanos es la carencia de espacio para las

raícesUrban Horticulture Institute

December 2000

Postes de electricidad

ConsecuenciasConsecuencias de plantar el de plantar el áárbolrbolequivocadoequivocado en el en el lugarlugar equivocadoequivocado

MAHOGANY

Swietenia mahagoni

Inappropriate use of NATIVE Tree SpeciesInappropriate use of NATIVE Tree Species

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Arboles en el lugar inadecuado

Jimmy Socash

Bill O’Leary

Bill O’Leary

Arboles en el lugar adecuado

Utilize CULTIVARS

Quercus virginiana ‘Cathedral’Quercus virginiana

Marshall Tree Farm

Marshall Tree Farm

Quercus virginiana ‘Highrise’

SombraSombra!!

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More Soil

Larg

er T

rees

Ratio of tr

ee size

to soil volume

20” Trunk Diameter

1200 CF Soil Volume =20’ x 20’ x 3’ depth

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Cuanto suelo usar?

JAMES URBAN, FASLA, ISA

Contract specification requirements: All trees FL grade No. 1 or better; UF-IFAS planting detail; post-plant inspection;

SIEMBRA

No la tape con el pavimento!

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Respete la Base del Arbol

JAMES URBAN, FASLA, ISA

JAMES URBAN, FASLA, ISA

Cada Sq.Ft. de cobertura necesita1.5 Cu.ft de suelo

64%survival

0 to 3 m2

(0 to 39 ft2)

Street trees,Parking lots, Yards

73%survival

91%survival

Yards,Parks

4 to 7 m2

(40 to 75 ft2)> 7 m2

(> 75 ft2�

Campuses, Parks, Yards

Arboles con mayor espaciopara las raíces sobrevivenmejor los vientos!

1

2 3

4

Siembre primero los espaciosmas fáciles!

City of Sweetwater

CIAB project

“ARBORIST NEWS”INTERNATIONAL SOCIETY OF ARBORICULTURE (ISA)August 2008

“Downtown Kendall Urban Center District”

“Street Trees: …minimum caliper of six (6) inches and a minimum clear trunk of eight (8) feet at the time of planting.”

TYPICAL MINIMUM SIZE OF 18’ OVERALL HEIGHT

SITE PLAN PROVIDES STREET TREES BUT…IN 3’ X 3’ SQUARES…(27 C.F. OF SOIL VOLUME )!

WILL THESE TREES GROW?

HOW LONG WILL THEY LAST? …7-10 YEAR AVERAGE!...

WHERE IS THE 1200 C.F. OF SOIL VOLUME?

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Cornell University

““UtiliceUtilice CUCU--STRUCTURAL SOILSSTRUCTURAL SOILS”” y y PavimentoPavimento permeablepermeable

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Cornell University

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Structural Cell Applications

JAMES URBAN, FASLA, ISA

JAMES URBAN, FASLA, ISA

“Deeproot Silva Cells”...

JAMES URBAN, FASLA, ISA

“Deeproot Silva Cells”...

Permeable Pavements…

Permeable Pavements…

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Rejilla de metal

Air Spade

Landscape code changes are oftentimes tedious and lengthy…

Departmental Policy Decisions can bypass this…

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