The Alaska Gap Analysis Project Update...
Transcript of The Alaska Gap Analysis Project Update...
The Alaska Gap Analysis Project
Update 2010
Tracey Gotthardt
Alaska Natural Heritage Program
University of Alaska Anchorage
• Keep common species common by
identifying “conservation gaps”
• Provide information about conservation
gaps and biodiversity to inform
resource management decisions
Primary goals:
National Gap Analysis Program (GAP)
• Identify conservation gaps by conducting a “gap
analysis”
• Single species or multiple species
Objective 2 Objective 1 Objective 3
Objective 4
Landcover Mapping Species Distribution Modeling Managed Areas
Protection is currently <6%
of its western range
Protected and
preserved land
Sage Grouse
Gap analysis for Sage Grouse
in Western U.S. Habitat types
Sage grouse
distribution
Protected and
preserved areas
Current status of state GAP Projects
Tracey Gotthardt
Tamara Fields
Kelly Walton
Sanjay Pyare
Julie Nielson
Falk Huettmann
Andy Baltensberger
Grant Humphries
Michael Lindgren
The Alaska Gap Analysis Project Update 2010 “Keeping common species common”
Map completed
October 2009
Map re-evaluation underway
Landcover Mapping Species Distribution Modeling Managed Areas
Completed
October 2006
Underway
2008 - 2011
Objective 2 Objective 1 Objective 3
Objective 4: GAP Analysis 2012
http://landfire.cr.usgs.gov/viewer
30 m resolution
Landsat imagery
Landcover Mapping
Fire Regime Data
•FRCC
•Fire Regime Groups
•Simulated Historical Fire Return
Interval
•Fire Severity Type
•Succession Classes
Vegetation Data
•Ecological Systems
•Biophysical Settings
•Vegetation Dynamics Models
•Environmental Site Potential
•Existing Vegetation Height
•Existing Vegetation Cover
•Field Reference Database
LANDFIRE National Products
FARSITE Data
•13 Fire Behavior Fuel Models
•40 Fire Behavior Fuel Models
•Forest Canopy Bulk Density
•Forest Canopy Base Height
•Forest Vegetation Height
•Forest Canopy Cover
•Elevation
•Aspect
•Slope
Landcover Mapping
We intend to map the RANGE and DISTRIBUTION of select
vertebrate species in Alaska.
Species Distribution Modeling
Solitary Sandpiper Tringa solitaria Global rank: G5 State rank: S2B
Predicted habitat: 25,116,800ha, 16.8% of state
AKGAP Species list
Terrestrial Vertebrates = 432
Birds – 290 (includes 25 subspecies)
Mammals – 137 (includes 61 subspecies)
Amphibians - 6
Coarse scale RANGE
maps for all vertebrate
species are currently
available through
NatureServe http://www.natureserve.org/getData
/animalData.jsp
Range Mapping
Arctic fox
Arctic Fox (Vulpes lagopus)
Range Mapping
Alaska Major Hydrologic Units (HUC) - 8 digit
Range Mapping
Arctic Fox (Vulpes lagopus)
Range Mapping
• Draft HUC range maps
are complete for all
species
•Overlay HUC maps with
occurrence data and
attribute each HUC with
date of latest
occurrence
•10 digit HUCs have
recently become
available – revising HUC
ranges to this more
refined scale
Range Mapping
Species Richness Index
Species Distribution Modeling
Inductive models Deductive models
Temperature
Precipitation
Elevation
Slope
Deductive models
Utilize expert
opinion and
literature review
to produce a
habitat associations
database for
occupied HUCs
Habitat associations
are cross-walked
to landcover classes
Species Distribution Modeling
Species Distribution Modeling
Species Distribution Modeling
Distribution is predicted based on environmental
parameters (e.g., elevation, climatic gradients) at
known points of occurrence.
DEM
Aspect
Euclidean Distance
Precipitation
Temperature
Inductive models
Species Distribution Modeling
Total # Occurrences = 1,527,983
Birds = 1,423,156
Mammals = 101,756
Amphibians = 3,071
0
200000
400000
600000
800000
1000000
1200000
1400000
Blank < 1970 1970-1990 1990-2010
Nu
mb
er
of
Re
cord
s
Year
Occurrence Records Temporal Assessment
Species Distribution Modeling
Deductive models Inductive models
Species Distribution Modeling
Project Timeline
YEAR 1 - 2009
• Finalize preliminary range maps
• Occurrence data gathering
YEAR 2 - 2010
• Continue occurrence data gathering and synthesis
• Begin inductive modeling
YEAR 3 - 2011
• Finalize inductive models
• Build deductive models
• Build hybrid models
• Expert review
YEAR 4 - 2012
• Conduct GAP Analysis
• Automate all data products
• Managed Areas Database (TNC)
• Wildlife Occurrence Database
• Habitat Associations Database
• Species Range Maps, modified
by occurrence data and expert
review
• Species Distribution Atlas
containing predicted
distributions derived from
deductive an inductive models
• Species Richness Maps for
combined taxa
AKGAP Data Products
AKGAP Data Products
Ancillary Data
Surficial Geology
Soils
Lotic Waters (distance to flowing water)
Lentic Waters
Aquatic System
Salinity
December Sea Ice Extent 2003-2007
June Sea Ice Extent 2003-2007
Glacial Extent
Permafrost
Water Table
Elevation
Slope
Aspect
Terrain Roughness
Coastline
Vegetation (Landfire, NLCD)
Wetland Vegetation (distance to)
Alpine (distance to)
Infrastructure (low, medium, high)
Infrastructure (distance to)
Insect History (year of damage)
Fire History
Fire Location (distance to fire)
Precipitation
Temperature
First Day of Thaw
First Day of Freeze
Length of Growing Season
Insolation
Wind (exposure 1-5)
Edge Density
Patch Size
Connectivity
AKGAP Data - Uses in Conservation Planning
• Species predictive distribution models will help guide
inventory, monitoring, and research efforts
• Identify areas that support the persistence of key species
and to prioritize areas for conservation (e.g: migration,
dispersal corridors, biodiversity hotspots)
• Creates a baseline of information that can be used in future
climate change and human impact modeling scenarios
AKGAP Partners/Data Providers
ABO 1997 ABR 2005 ADF&G 2005 ADF&G 2009 ADFG 1993 ADFG 1995 ADFG 2008 Adler and Savage 1999 Adler et al. 1973 Ajmi 2009a Ajmi 2009b Ajmi 2009c Alaska Bat Monintoring Project 2009 Alaska
Peninsula/Becharof NWF n.d.b Alaska Shorebird Group 2002 Amaral and Gardner 1986 Anderson 1974 Anderson and Robinson 1991 Andres 1994a Andres 1994b Andres 1998 Andres 1999 Andres 2000 Andres and
Browne 1997 Andres and Browne 1998 Andres et al. 1999 Andres et al. 1999 Anonymous 1973 Anonymous 1974a Anonymous 1974b Anonymous 1983b Anonymous 1984 Anonymous 1985 Anonymous 1988 Anonymous
1990a Anonymous 1990b Anonymous 1991 Anonymous 1994 Arimitsu 2008 Arimitsu et al. 2007 Armstrong et al. 2004 Arneson 1982 Arneson and Tankersley 1984 ARRT 1997 Bailey 1897 Bailey 1927 Bailey 1948 Bailey
1973 Bailey 1974 Bailey 1976 Bailey 1977 Bailey and Faust 1981 Bailey and Faust 1984 Baird and Moe 1978 Baker and Findley 1954 Ball 1988 Baltensperger 2009 Baluss 2005 Barrett et al. 2005 Bee 1958 Bee and Hall
1956 Belson 1961 Bennett 1992 Bennett 1993 Bennett 1994 Bennett 1995a Bennett 1995b Bennett 1996 Benoit 2009a Benoit 2009b Benson 2000 Bent 1927 Bent 1929 Beringer and Nishimoto 1988 Beringia Birders
Database 2008 Bertram 2005 Bevins 1987 Beymer 1988 Blatt 1995 BLM 2000 BLM 2002 Bodkin et al. 2008 Boland 2006 Bollinger and Eldridge 2008 Bollinger et al. 2007 Booms 2009 Booz 2005 Boyd 1997 Brackney et al.
1985 Britten 1989 Britten and McIntyre 1986 Brokaw 1970 Brooks 1915 Brown et al. 1992 Brueggeman 1980 Bucaria 1990 Bunn 1986 Burgess 1992 Burke 1992 Burns 1997 Byrd 1978 Byrd 1986 Byrd 1989 Byrd 1994 Byrd
and Climo 1988 Byrd and Day 1986 Byrd and Mendenhall 1986 Byrd and Norvell Byrd and Williams 1999 Byrd and Williams 2004 Byrd and Williams 2005 Byrd et al. 1974 Byrd et al. 1985 Byrd et al. 2001 Cady 2005
Cahalane 1943 Cahalane 1944 Cahalane 1959 Calambokidis et al. 1987 Carlson and Gotthardt 2009 Carter and Morrison 1992 Carter and Sealy 1987 Childs 1969 Coletti 2009 Collins et al. 1999 Conant and Groves 1997
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Garber 1989 Garber and Flatten 1988 Gardner 2006 Garlich-Miller and Jay 2000 Garret 1990 GBIF 2009 Georgette 2000 Gibson 1966 Gibson 1967a Gibson 1967b Gibson 1967c Gibson 1970 Gibson 1976 Gibson 1979
Gibson 1981 Gibson 1983 Gibson and Kessel 1983 Gibson and Kessel 1989 Gilbert 1976 Gill 1988 Gill and Amaral 1984 Gill and Handel 1981 Gill and Handel 1987 Gill and Handel 1990 Gill and Sarvis 1999 Gill and Tibbitts
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AKGAP Data Providers
www.akgap.info
The Alaska Gap Analysis Project “Keeping common species common”