Bird Returns - commons.esipfed.orgcommons.esipfed.org/sites/default/files/Steve... · “Slice and...
Transcript of Bird Returns - commons.esipfed.orgcommons.esipfed.org/sites/default/files/Steve... · “Slice and...
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Bird ReturnsDynamic Conservation in the Central Valley of California
Steve Kelling
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95% of historic habitat
destroyed
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California Migratory Waterbird Habitats
Estuary
4%
Saline
12%
Wetland
27%
Agriculture
57%
Stralberg, Cameron, Reynolds et al. 2010 Biodiversity & Conservation
> 9 M acres
total
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Source: US NAAS CropScape Cropland Data Layer 2011
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Har
vest
Dec
om
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Flo
od
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Flo
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-up
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Fie
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Flo
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Seed
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Rice Farming Annual CycleP
robabili
ty o
f O
ccurr
ence
Jan Feb Mar Apr May Jun July Aug Sep Oct Nov DecJan Feb Mar Apr May Jun July Aug Sep Oct Nov Dec
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Solution: Only Pay for What We Need When We Need It
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Can Farming Cycles be Synchronized with Bird Migration Cycles?
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Where and When Birds Occur
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Birders
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• 200,000 eBird participants
• 14 million hours
• 200,000 million observations
The eBird network is growing 35% annually.
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The Multi-scale Modeling Challenge
Goal: Analysis at broad-scale with fine resolution
Challenge: spatiotemporal patterning at multiple scales
• Local-scale– Fine-scale spatial and temporal resource patterns
• Large-scale– Regional & seasonal variation in species’ habitat utilization
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Wood Thrush
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Observational Data Sensors
Sensors, sensor networks, and remote sensing gather observations
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Remote Imagery Sources
• North America elevation, collected by the ASTER instrument onboard Terra
• North America landcover, collected by MODIS via the global land cover product (MCD12Q1) using the University of Maryland classification scheme
• Conterminous U.S. Cropland Data Layer (USDA-NASS 2013), generated by satellite imagery from Landsat TM 5 and ETM+7.
Annual land cover data were summarized as proportional cover of each category within 1.5km × 1.5km squares
centered on each checklist location.
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SpatioTemporal Exploratory Model (STEM)
Nonparametric SDM’s are good for local-scale modeling by relating environmental predictors (X) to observed occurrences (y)
y = f (X)y = f (X)
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SpatioTemporal Exploratory Model (STEM)
Nonparametric SDM’s are good for local-scale modeling by relating environmental predictors (X) to observed occurrences (y)
Multi-scale strategy: differentiate between local and global-scale ST structure.
1. Make explicit time (t) and location (s)
f (X,s,t)
y = f (X)
f (X, s, t)
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SpatioTemporal Exploratory Model (STEM)
Nonparametric SDM’s are good for local-scale modeling by relating environmental predictors (X) to observed occurrences (y)
Multi-scale strategy: differentiate between local and global-scale ST structure.
1. Make explicit time (t) and location (s)
2. “Regionalize” by restricting support
y = f (X)
Restricted Support Set (Q)
y = f (X)
f (X,s,t)I(s,tÎq)
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SpatioTemporal Exploratory Model (STEM)
Nonparametric SDM’s are good for local-scale modeling by relating environmental predictors (X) to observed occurrences (y)
Multi-scale strategy: differentiate between local and global-scale ST structure.
1. Make explicit time (t) and location (s)
2. “Regionalize” by restricting support
3. Predictions at time (t) and location (s) are made by averaging across a set of local models containing that time and location
Restricted Support Set (q)
Number of models supporting (s,t)
ith ST explicit base model
1
n(s,t)f i(X,s,t)I(s,tÎq i)
i=1
m
å
y = f (X)
f (X,s,t)I(s,tÎq)
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“Slice and dice” ST extent into stixels
• With sufficient overlap
• Adapt to different dynamics
Temporal Design:
• 40 day intervals
• 80 evenly spaced windows throughout year
Spatial Design
• For each time interval
• Random Sample rectangles
(12 deg lon x 9 deg lat)
• Minimum 25 unique locations.
The Spatio-Temporal Ensemble
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Data Products
• Weekly spatial data layers that
• Estimated the species abundance within the 3 km x 3 km grid across North America
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Shorebird OccurrenceP
robabili
ty o
f O
ccurr
ence
Jan Feb Mar Apr May Jun July Aug Sep Oct Nov Dec
`
Jan Feb Mar Apr May Jun July Aug Sep Oct Nov Dec
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Har
vest
Dec
om
po
siti
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Flo
od
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Flo
od
-up
Pro
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Dra
w d
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n /
Fie
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rep
Flo
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Seed
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Rice Farming Annual CycleP
robabili
ty o
f O
ccurr
ence
Jan Feb Mar Apr May Jun July Aug Sep Oct Nov Dec
`
Jan Feb Mar Apr May Jun July Aug Sep Oct Nov Dec
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Shorebird Abundance
October
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Shorebird Abundance
January
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Forward Auction vs. Reverse Auctions
Sell
Buy Buy BuyBuy
Forward Auction
Goal: highest price
Buy
Sell Sell SellSell
Reverse Auction
Goal: lowest price
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Avian Abundance Estimation Across the Pacific Flyway for Full Life-cycle Conservation Planning
| 31| 31
Pacific Migration Flyway
Targeted Estimates
Bids selected based ontargeted estimates
Reverse Auction and Bid Selection
Farmers
Submit Bids
eBird Data Models
NASA MODIS and ASTER earth imagery, bird observations gathered by citizen-science
volunteers, big data analytics, and a market-based conservation approaches are applied to
fine-scale conservation of bird habitat
• Results: 20,000 more acres of habitat for migrating waterbirds in California
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Dunlin Response Spring 2014
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BirdReturns: Vision• A defined tool in the conservation portfolio
• Able to achieve dynamic habitat at scale
• Optimizes conservation investments
• Funded by mix of public and private sources
• Scientific foundations for adaptive management
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BirdReturns 2.0Program Options
•Spring 2015:
2 weeks Feb 1-14
4 weeks Feb 1-28
6 weeks Feb 1- Mar
15
8 weeks Feb 1 - Mar
28
Fall 2014:
2 weeks Sept 2-15
2 weeks Sept 16-30
2 weeks Oct 4-17
2 weeks Oct 18-31