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<p>This strategy seeks to enable transitions of communities to new desirable states through shifts in plant species composition while maintaining or producing desired wetland functions (Harris et al. 2006). Climate change may drive major alterations in wetland plant community composition and net primary productivity, as well as geographic shifts of some wetland types (Johnson et al. 2005). Climate parameters are changing at a rapid and unprecedented pace, setting up conditions where local plants may no longer be ideally suited to local conditions (Breed et al. 2013). Habitat fragmentation and isolation further reduce the fitness and adaptive capacity of plant populations by causing reduced gene flow and inbreeding recession. For native wetland species that are already rare, these threats may render populations vulnerable to extirpation or extinction, forcing consideration of drastic measures such as assisted migration (Loss et al. 2011). Managers may determine that resisting such threats and changes is not feasible at some sites, and that managing for a range of acceptable trajectories is more practicable (Choi 2004, Hilderbrand et al. 2005); monitoring outcomes and periodically re-evaluating restoration targets is essential when uncertainty is high (Choi 2004).</p>

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