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Map 4.2: Regional flow patterns. This map shows areas of concentrated flow (above average), diffuse or dispersed flow (average) and low or blocked flow (below average). 40 Resilient Sites for Terrestrial Conservation in the Northeast and Mid-Atlantic Region The Nature Conservancy • Eastern Conservation Science • Eastern Division • 99 Bedford St • Boston, MA 02111
CHAPTER Results: 5 Scores for the Settings This section describes how we applied the estimates and attributes of resilience to each site to identify the most resilient areas of each geophysical setting. The maps are accompanied by examples of the species and communities that are currently located within the setting, and a summary of the setting’s level of securement. Integrated maps are presented following the maps of individual settings. To estimate a score for an individual hexagon, we combined information collected across a variety of scales: from a 100-acre circle to a 3 kilometers radius. The information was summarized at the scale of a 30-meter cell and then re-summarized into a 1000 acre hexagon scale (Figure 5.1). Our goal was to combine the data such that each layer contributed equally to the final scores, unless intentionally weighted. Figure 5.1: The variety of local neighborhood sizes used in this assessment. The information was all tagged to the 30-meter cell (the smallest center point) and summarized by 1000 acre hexagons. Landscape variety, elevation range, and wetland density all used a 100-acre search radius around each 30-meter cell, with the later also weighted by a 1000 acre search. The regional flow patterns were assessed as a 270 meter grid (the square box). Local connectivity was scored to the 30-meter cell, but evaluated over a search radius covering 3 kilometer (pink circle). Resilient Sites for Terrestrial Conservation in the Northeast and Mid-Atlantic Region 41 The Nature Conservancy • Eastern Conservation Science • Eastern Division • 99 Bedford St • Boston, MA 02111
Page 1 and 2: Resilient Sites for Terrestrial Con
Page 3 and 4: Table of Contents Chapter 1 - Intro
Page 5 and 6: CHAPTER Introduction 1 Climate chan
Page 7 and 8: CHAPTER Defining Sites and 2 Geophy
Page 9 and 10: Landform Types (Map 3.3) The landfo
Page 11 and 12: Map 3.2: The nine geology classes u
Page 13 and 14: Grouping Hexagons into Geophysical
Page 15 and 16: Descriptions of the Settings. The d
Page 17 and 18: Mid Elevation: Settings from 800’
Page 19 and 20: CHAPTER Estimating Resilience 3 A c
Page 21 and 22: Figure 3.1: Topographic position an
Page 23 and 24: Figure 3.3: The underlying slope an
Page 25 and 26: Map 3.1: Landform variety. This map
Page 27 and 28: Figure 3.4 a-d: A three-dimensional
Page 29 and 30: Map 3.3: Wetland density. This map
Page 31 and 32: Section 2: Landscape Permeability T
Page 33 and 34: oak forest to spruce forest) have b
Page 35 and 36: Figure 3.6: Detailed look at Kernel
Page 37 and 38: Figure 3.8: A gallery of satellite
Page 39 and 40: Section 3: Combining Resilience Fac
Page 41 and 42: through nodes or across edges. Unli
Page 43: Integration with Other Metrics: The
Page 47 and 48: Results by Setting: This section pr
Page 49 and 50: Map 5.1: Resilience scores for L-CO
Page 51 and 52: Map 5.2: Resilience scores for L-GR
Page 53 and 54: Map 5.3: Resilience scores for L-GR
Page 55 and 56: Map 5.4: Resilience scores for L-FI
Page 57 and 58: Map 5.5: Resilience scores for L-MA
Page 59 and 60: Map 5.6: Resilience scores for L-SE
Page 61 and 62: Map 5.7: Resilience scores for LSED
Page 63 and 64: Map 5.8 Resilience scores for L-CAL
Page 65 and 66: Map 5.9 Resilience scores for L-MOD
Page 67 and 68: Map 5.10: Resilience scores for LGR
Page 69 and 70: Map 5.11: Resilience scores for L-S
Page 71 and 72: Map 5.12: Resilience scores for L-
Page 73 and 74: LOW ELEVATION COASTAL SETTINGS Sett
Page 75 and 76: Map 5.13: Resilience scores for L-C
Page 77 and 78: Map 5.14: Resilience scores for L-C
Page 79 and 80: Map 5.15: Resilience scores for LCO
Page 81 and 82: MID ELEVATION SETTINGS Settings tha
Page 83 and 84: Map 5.16: Resilience scores for MGR
Page 85 and 86: Map 5.17: Resilience scores for M-M
Page 87 and 88: Map 5.18: Resilience scores for M-S
Page 89 and 90: Map 5.19: Resilience scores for M-C
Page 91 and 92: Map 5.20: Resilience scores for M-M
Page 93 and 94: Map 5.21: Resilience scores for M-S
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Map 5.22: Resilience scores for M-S
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Map 5.23: Resilience scores for L-
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HIGH ELEVATION SETTINGS Settings, u
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Map 5.24: Resilience scores for H-G
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Map 5.25: Resilience scores for H-S
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Map 5.27: Resilience scores for H-C
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Page 111 and 112:
Map 5.29: Resilience scores for ALP
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Map 5.30: STEEP- SED Resilient Site
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Figure 6.1. Estimated resilience an
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To account for the inherent differe
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Partial Ecoregions: Several other e
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Ecoregion Results For each wholly c
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Overlaying the ecoregional portfoli
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Map 6.2: Central Appalachians: Resi
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Map 6.4: Central Appalachians: Foca
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Map 6.6: Central Appalachians: Foca
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Map 6.7: Chesapeake Bay Lowlands: R
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Map 6.9: Chesapeake Bay Lowlands: F
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Map 6.11: Chesapeake Bay Lowlands:
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Map 6.12: High Allegheny Plateau: R
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Map 6.14: High Allegheny Plateau: F
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Map 6.16: High Allegheny Plateau: F
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Map 6.17: Lower New England: Resili
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Map 6.19: Lower New England: Focal
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Map 6.21: Lower New England: Focal
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Map 6.22: North Atlantic Coast: Res
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Map 6.24: North Atlantic Coast: Foc
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Map 6.26: North Atlantic Coast: Foc
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Map 6.27: Northern Appalachian: Res
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Map 6.29: Northern Appalachian: Foc
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Map 6.31: Northern Appalachian: Foc
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The amount of resilient area (the g
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Map 6.32: The highest scoring areas
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Map 6.34: Focal areas with high est
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Map 6.36: Networks of resilient sit
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Map 6.38: The highest scoring areas
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References Anderson M.G. and A. Oli
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NLDC 2001 National Landcover Databa
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Map I1.1: Geophysical Settings of t
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Map I1.3: Elevation Range in the No
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Map I1.5: Landscape Complexity of t
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Map I1.7: Regional flow patterns of
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Table 1. Ranges for elevation class
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attributes a simple matter. Compoun
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Recognizing the ecological importan
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Fig. 2: Landforms in Pawtuckaway St
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within the state. The data was expo
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APPENDIX Species Names IV Species N
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Clayton'S Copper Lycaena claytoni I
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Kirtland'S Snake Clonophis kirtland
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Ringed Bog Haunter Williamsonia lin
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Wild Calla Calla palustris Monocot
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