urban biodiversity: conservation and...
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Urban Biodiversity: Conservation and yManagement
Charles NilonUniversity of MissouriUniversity of MissouriColumbia, MO USA
BiodiversityM t d C tiManagement and ConservationBird Conservation in Midwest U SBird Conservation in Midwest U.S.Managing the Matrix
Urban BiodiversityUrban Biodiversity
Human Impacted Human Dominated
species richness
population densitiespopulation densities
U b Bi di itUrban Biodiversity
Species in Region
Habitats that support viable populations, etc.Habitats that support viable populations, etc.
Processes that maintain those habitats
S d t l 2000Savard et al. 2000
Urban BiodiversityS lScaleLot / PropertyArea of cityCityCityRegion
Different approaches to managementDifferent approaches to managementDifferent groups of managers
Kinzig et al. 2005gFactors Driving Urban Biodiversity
Top-downL l GLocal Government
Planning and Zoning / DesignInfluences patch type
Influences matrix
Influences building, abandonment, redevelopment
Bottom UpBottom UpLandowner / Resident Decision MakingLinked to PreferenceInfluences management decisions
C t t f U b Bi di itContext of Urban Biodiversity
Social (Cilliers 2010)C it ti i tiCommunity participation
Sustainable developmentSustainable development
Poverty reductionPoverty reduction
Context of Urban BiodiversityContext of Urban Biodiversity
Cultural (Millard 2010)
Cultural processes determine urban biodiversity
Urban biodiversity shapes perceptions and culture
A hApproaches
Wildlife Management (Caughley)“Th t d i f l i l i l“The art and science of applying ecological
knowledge in ways that seek a balance between the needs of wildlife and the needs of people.” p p
Conservation Biology (Gibbs et al.)“Maintaining the planets biodiversity FallsMaintaining the planets biodiversity... Falls
within a larger area of natural resource management.?
Marzluff and Rodewald 2008Urban Bird Conservation
Protect natural areas
Plan explicitly for open spaces and naturalPlan explicitly for open spaces and natural habitats
Maintain variety of arrangements of built andMaintain variety of arrangements of built and natural
Improve quality of matrixImprove quality of matrix
Grassland BirdsMidwest U.S.
Many grassland and shrubland speciesshrubland species rare and/or declining
Habitat LossHabitat Loss
Management changeschanges
FireGrazing
Grassland Birds in MidwestGrassland Birds in Midwest
Grassland and shrubland habitatsshrubland habitatsWhere did they occur
SizeLocationLocation
How did habitats function?
Management to gmaintain them?
Grassland BirdsBurhans and Thompson (2006)
Urban parksN t i l f 4Nest survival of 4
speciesManagement
recommendationsVegetation height,
compositionp• Reduce
mowingg• Maintain
burning• Matrix
Management ContextManagement Context
50 ha Semi-natural habitat in urban parkhabitat in urban park
Adjacent residents
Park Managers /Park Managers / Agency Culture
Park UsersPark Users
Bi di it i th M t iBiodiversity in the Matrix
H t l 2006Heynen et. al. 2006
The place where we livelive
The place where we workwork
The place where we playplay
Pl f I t t t R hPlaces of Interest to Researchers
What are patterns of biodiversity?biodiversity?DeGraaf et al. 1970's
Birds
Gaston et al. 2000'sVegetationI tInsectsBirds
Wh t l i ?What are we learning?
Number of species supportedsupported
BUGS ProjectYards and gardensYards and gardens support higher numbers of native andnumbers of native and exotic plant species
Conservation ValueConservation value of matrix habitatsmatrix habitatsMatteson – bee species
Urban yards andUrban yards and community gardens –lowerlowerSuburban yards - high
Urban Neighborhood Types g ypand Birds (Nilon et al. 2010)
Variables Explaining Differences AmongVariables Explaining Differences Among Bird Census Points
Lot-level (UFORE Plot Data)% Building cover Tar Rock vs% Building cover, Tar, Rock vs.% Tree cover, Maintained grass, Unmaintained grassBlock level (100m transects)No. of Housing Units vs.No. of Trees, No. Housing units with trees,No. of Trees, No. Housing units with trees, No. Housing units with shrubsNeighborhood % Tree Cover vs% Tree Cover vs.% Buildings, Other Vegetation
%Bachelor Degree vs.%Black, %Families on Pub Asst;
What about management of the gmatrix?
What people do mattersmatters
Brunet 2006Butterflies in residential
yards
Differences when native plant species present
Differences when more of yard is in flower gardensgardens.
Socioeconomic StatusBird Diversity: Baltimore and PhoenixBird Diversity: Baltimore and Phoenix
16 R2=0.76
131415
s
R 0.76p<0.0001
111213
richn
ess
91011
spec
ies
78
Baltimore (N=50)Phoenix (N=16)R2=0.15
p=0.0056
0 10000 20000 30000 40000 50000 6000Median Family Income
Baltimore (N=50)p
y
Management of the MatrixgGuidelines for Property Owners
Programs in placeB tBut:
In U.S. CitiesEconomic StatusRace and EthnicRace and EthnicHome Ownership
Shape and influenceShape and influence management decisions
Managing the MatrixManaging the MatrixCity and Region
Planning effortsS i l ithSpecial areas with
guidelines for managementmanagement
But often ignore common species andcommon species and built environments
CollaborationsBES Biodiversity GroupBES Biodiversity Group
Neighborhood Nestwatch Brian KaneH iNeighborhood NestwatchPeter MarraSmithsonian Mig Bird Ctr
Brian KaneUMass-Amherst
HungarianNat HistoryMuseum
Watershed 263
HERCULESMary CadenassoMary Cadenasso
Dave CursonMD Audubon
Michel Cavigelli, Beltsville Ag Res Ctr
People Interested in UrbanPeople Interested in Urban Biodiversity
Parks and People’s Green Career Ladder Project Pigeon WatchBird curriculum for Baltimore City Public Schools – C. CarlsonUrban Soils and Worms -Teacher’s WorkshopE h f i ti t dExchange of scientists and students – US Hungary (BCEB NSF UMEB)(BCEB – NSF UMEB)
Urban BiodiversityUrban Biodiversity
What collaborations are necessary to conserve and manage at scales from lot to region?and manage at scales from lot to region?ResidentsPlannersProperty OwnersProperty OwnersEcologists?