REVIEW OF VEGETATION SURVIVORSHIP & SPECIES SELECTION FOR GREEN STORMWATER INFRASTRUCTURE SYSTEMS
RACHEL AHERN STREIT | CHPLANNING GSI MAINTENANCE | GREEN CITY, CLEAN WATERSREVIEW OF VEGETATION SURVIVORSHIP & SPECIES SELECTION FOR GREEN - - PowerPoint PPT Presentation
REVIEW OF VEGETATION SURVIVORSHIP & SPECIES SELECTION FOR GREEN - - PowerPoint PPT Presentation
REVIEW OF VEGETATION SURVIVORSHIP & SPECIES SELECTION FOR GREEN STORMWATER INFRASTRUCTURE SYSTEMS RACHEL AHERN STREIT | CHPLANNING GSI MAINTENANCE | GREEN CITY, CLEAN WATERS WHY, HOW, & WHAT. WHY, HOW, & WHAT. why study survivorship
WHY, HOW, & WHAT.
WHY, HOW, & WHAT.
why study survivorship in SMPs?
WHY, HOW, & WHAT.
how we’re collecting our data
WHY, HOW, & WHAT.
a vegetation inventory design recommendations a recommended plant list
stormwater planter rain garden green roof tree trench stormwater bump-out basin
DRY WET
SEDIMENT POLLUTANTS & TOXINS SANDY SOILS EROSION INVASIVE SPECIES VANDALISM DAMAGE BY VEHICLES DRY WET
plant replacement events at SMP sites in the past year
63
trees (5%)
1,707
perennials (5-10%)
52
shrubs (4%)
vegetation surveys this year
37
rain gardens, bump-outs, and planters
196 tree trenches
233
# INDIVIDUALS % COVER AREA (SF) TREE CALIPER HEALTH STATUS
vegetation surveys this year
37
rain gardens, bump-outs, and planters
196 tree trenches
233
MAINTENANCE MAPS WITH PHOTOPOINTS
PP2> PP1 PP2
ARCGIS MAPS FIELD NOTES
SMP TREE INVENTORY
260 177 81 78 75 73 70 65 45 41 39 32 31 26 22 20 18 17 15 12 11 10 9 8 8 8 7 6 5 5 4 4 3 3 3 2 2 1 1 1 1 1 1 1 1 50 100 150 200 250 300 Acer Prunus Cercis Gleditsia Ulmus Syringa Quercus Platanus Crataegus Tilia Cladrastis Amelanchier Zelkova Celtis Cornus Ginkgo Malus Liquidambar Lagerstroemia Cercidiphyllum Gymnocladus Betula Maackia Magnolia Carpinus Eucommia Koelreuteria Aesculus Metasequoia Laburnum Ulmaceae Robinia Pyrus Taxodium Chionanthus Fagus Carya Fraxinus Phellodendron Corpinus Liriodendron Oxydendrum Juniperus Ilex Nyssa Population Size Genus 136 31 25 18 16 15 11 5 2 200Acer (Maple) Species Diversity
50 34 32 25 22 7 5 2 100Prunus (Cherry) Species Diversity
17 11 10 8 6 6 4 3 3 2 20Quercus (Oak) Species Diversity
SMP Tree Health Status
Acer Prun us Cerci s Gled itsia Ulm us Syrin ga Quer cus Plata nus Crat aegu s Tilia Clad rasti s Amel anch ier Zelk- va
SMP Tree Vandalism & Health by Site Type
0% 2% 4% 6% 8% 10% 12% 14% 16% Unhealthy Vandalized Dead % of Site Type Total School Site Recreation Site All Other SitesHerbaceous Plant Inventory
200 400 600 800 1000 1200 1400 1600 Estimated Sq. Ft. Herbaceous Genus Asclepias incarnata- S. novae-angliae
The Soft Sites: Plant Inventory
1000 2000 3000 4000 5000 6000 7000 8000 9000 Estimated Sq. Ft. Groundcover Genus/Family Juncus effusus Pennisetum ‘Hameln’ Carex stricta Calamagrostis acutiflora Panicum ‘Shenandoah’The Soft Sites: Plant Inventory
500 1000 1500 2000 2500 3000 Estimated Sq. Ft. Small Woody Genus Itea virginiana Cornus alba Viburnum nudum Rhus aromatica ‘Gro-Low’ Aronia ‘Brilliantissima’Stormwater Bump-out: Plant Competition
2015 2014
Area (Square Feet) Plant (Genus)
Stormwater Bump-out: Plant Competition
Stormwater Bump-out: Plant Competition
500 1000 1500 2000 2500 3000 2014 2015Area (Square Feet) Plant (Genus)
Source of Phragmites Stormwater Bump-out
500 1000 1500 2000 2500 3000 2014 2015Area (Square Feet) Plant (Genus)
Stormwater Bump-out: Plant Competition
Source of Phragmites Stormwater Bump-out
500 1000 1500 2000 2500 3000 2014 2015Area (Square Feet) Plant (Genus)
Stormwater Bump-out: Plant Competition
Area 2 Area 3 2015 2012
Plant (Genus) Plant (Genus) Number of Individuals Number of IndividualsRain Gardens: Site Variability
2015 2012
Area 2 Area 3 2015 2012
Plant (Genus) Plant (Genus) Number of Individuals Number of IndividualsRain Gardens: Site Variability
2015 2012
Rain Gardens: Effective Planting Schemes
2015 2014
Platanus x acerifolia Fotherfilla fardenii ‘Mount Airy’ Itea virginia ‘Henry’s Garnet’ Aster divaricatus Chasmanthium latifolium Echinacea purpurea Phlox paniculata ‘David’ Panicum vigatum
Philadelphia’s Native Plant Nursery
Photos courtesy of Maximillian Blaustein, Philadelphia Parks & Recreation
COLLECTION GERMINATION CONTAINERS
RACHEL AHERN STREIT RACHEL.AHERN@PHILA.GOV http://phillywatersheds.org/doc/Landscape_Manual_2014.pdf