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from fishing, hunting, and wildlife watching (U.S. Census |
Bureau 2011). Florida’s 13,576 km of coastline leaves |
many of its ecosystems vulnerable to sea level rise (SLR), |
Journal of Fish and Wildlife Management | www.fwspubs.org June 2020 | Volume 11 | Issue 1 | 174 |
Downloaded from http://meridian.allenpress.com/jfwm/article-pdf/11/1/174/3103287/i1944-687x-11-1-174.pdf by guest on 29 February 2024 |
in addition to threats from urban development, increasing temperature, and altered precipitation regimes (Noss |
2011). |
Setting conservation targets, the measurable expressions of desired resource conditions, is a commonly used |
means for natural resource managers to focus their |
conservation needs and goals (Groves et al. 2002; Parrish |
et al. 2003). Conservation practitioners have assessed |
and prioritized the conservation needs of Florida’s |
species, habitats, and ecosystems (e.g., Florida Natural |
Areas Inventory 2000, 2018; Oetting et al. 2016). Decades |
ago, 44% of Florida’s vertebrate species were reported to |
be in population decline (Millsap et al. 1990). Since that |
time, environmental conditions have worsened because |
of increasing urbanization (Terando et al. 2014) and SLR |
(Noss 2011). These declines in ecosystem health and |
function emphasize the need for Florida’s natural |
resource managers to set conservation targets as a way |
to prioritize ecosystem needs and focus resources |
toward achieving conservation goals. |
The Peninsular Florida Landscape Conservation Cooperative (PFLCC), a public–private partnership focused on |
applied conservation science to inform management |
decisions, renewed efforts to establish conservation |
targets across the state of Florida. The PFLCC had an |
advantage of developing targets in a data-rich state and |
was able to make use of existing conservation and |
management plans as well as research and monitoring |
data, such as the Florida Natural Areas Inventory’s |
statewide Conservation Needs Assessment, the Critical |
Lands and Waters Identification Project (CLIP), Florida |
2060 projected urban development, and Florida’s State |
Wildlife Action Plan for conserving wildlife and natural |
areas. The PFLCC subsequently developed a formal |
process for establishing conservation targets and then |
worked with subject matter experts to define which |
ecosystems were in greatest need of protection and |
selected explicit targets for conservation into the future |
(Romanach et al. 2016). ˜ |
The objective of our work was to model susceptibility |
scenarios resulting from urbanization and SLR to |
understand potential future impacts on the PFLCC’s |
conservation targets. We modeled six scenarios of |
urbanization and SLR to understand the future susceptibility of a subset of PFLCC conservation targets. We |
used conservation targets for three of the PFLCC’s major |
categories for protection, termed Priority Resources |
(Romanach et al. 2016)—High Pine and Scrub, Coastal ˜ |
Uplands, and Freshwater Aquatics—the three Priority |
Resources for which the PFLCC had defined conservation |
targets at the time of writing. The six scenarios were all |
possible combinations of intermediate and high SLR |
paired with two types of urbanization projections, |
sprawling and compact, for both 2040 and 2070. Our |
outputs identify the spatial extent of potential threats to |
conservation targets on a statewide scale and provide |
the PFLCC with a foundation for the assessment and |
monitoring of natural resources, a framework for |
prioritizing conservation efforts, and information for |
communicating priorities. |
Methods |
We developed six scenarios of urbanization and SLR to |
understand the future susceptibility of 14 of the PFLCC |
conservation targets in three Priority Resources (Table 1). |
The PFLCC uses the Florida state boundary, broader than |
the PFLCC boundary, as the boundary for defining |
targets for coordination of conservation efforts with |
other landscape conservation cooperatives (Figure 1). |
For scenario modeling, we extracted projected urbanized |
and inundated areas to create spatial composites of |
potential future impacts on conservation targets. We |
calculated the amount of area impacted by projected |
urbanization and SLR and the percentage of total area |
affected of each target, for each scenario. |
Priority Resources |
Priority Resource definitions were adapted by the |
PFLCC from Kawula (2018). High Pine and Scrub is |
defined as hills with mesic or xeric woodlands or |
shrublands; canopy, if present, is open and consists of |
pine or a mixture of pine and deciduous hardwoods |
(Data A1, Archived Material). Coastal Uplands is defined |
as mesic or xeric communities restricted to barrier islands |
and near shore with woody or herbaceous vegetation; |
other communities may also occur in coastal environments (Data A2, Archived Material). Freshwater Aquatics |
is defined as natural rivers and streams where stream |
flow, morphometry, and water chemistry are not |
substantially modified by human activities, or native |
biota are dominant (Data A3, Archived Material). It also |
includes natural inland lakes and ponds where the |
trophic state, morphometry, and water chemistry are not |
substantially modified by human activities, or native |
biota are dominant. All three Priority Resource layers |
were obtained from the Critical Land and Waters |
Identification Project 4.0 Aggregated Priorities model |
(Oetting et al. 2016). |
Urbanization |
Through consultation with the PFLCC, we selected |
three, 1000 Friends of Florida urbanization layers: 1) |
Florida 2060 projection for the year 2040 (Zwick and Carr |
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