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  • 1
    Online Resource
    Online Resource
    Baton Rouge :Taylor & Francis Group,
    Keywords: Wetland restoration. ; Electronic books.
    Description / Table of Contents: Introduction, J. B. ZedlerThe Scope of This BookThe Shortcomings of Restoration Ecology TheoryThe Lack of Predictability of Restoration OutcomesNew UnderstandingAdaptive Restoration Restoration in Coastal WetlandsSummary and Conclusion Developing a Framework for Restoration, G. Vivian-SmithIntroductionRestoration GoalsCurrent Site CharacteristicsHeterogeneity in Coastal Wetland Restoration ModelsConstraints Posed by Human UseStepwise Planning of RestorationHydrology and Substrate, J.C. CallawayBackground and IntroductionHydrologySubstratePlanning ConsiderationsRestoration SolutionsSummaryEstablishing Vegetation on Restored and Created Coastal Wetlands, G. SullivanIntroductionDeveloping a Vegetation StrategyPlant Acquisition, Propagation, and MaintenancePlanting MethodsGenetic ConsiderationsSummaryRestoring Assemblages of Invertebrates and FishesOverviewEnvironmental ParametersEstuarine Habitat Assemblages, Functions, and RestorationSummaryRestoring Assemblages of Invertebrates and Fishes, G.D. Williams and J.S. DesmondOverviewEnvironmental ParametersEstuarine Habitat Assemblages, Functions, and RestorationSummaryAssessment and Monitoring, J.C. Callaway, G. Sullivan, J.S. Desmond, G.D. Williams, J.B. ZedlerIntroductionHydrology and TopographyWater QualitySoils: Substrate Qualities, Nutrient DynamicsElevation, Global Positioning Systems, and Geographic Information SystemsVegetationInvertebratesFishesRecommendations for Minimum MonitoringSustaining Restored Wetlands: Identifying and Solving Management Problems, J.C. Callaway and G. Sullivan IntroductionIrrigationReplantingHerbivoryMacroalgal BloomsSediment IssuesExotic Plant InvasionsExotic Animal SpeciesHuman ActivitiesSummaryConclusions and Future Directions, J.B. ZelderOverviewConclusionsAppendices.
    Type of Medium: Online Resource
    Pages: 1 online resource (460 pages)
    Edition: 1st ed.
    ISBN: 9781420036619
    Series Statement: CRC Marine Science Series
    DDC: 333.91/8153
    Language: English
    Note: Front cover -- Dedication -- Preface -- Table of contents -- Editor -- chapter one. Introduction -- chapter two. Developing a framework for restoration -- chapter three. Hydrology and substrate -- chapter four. Establishing vegetation in restored and created coastal wetlands -- Plates -- chapter five. Restoring assemblages of invertebrates and fishes -- chapter six. Assessment and monitoring -- chapter seven. Sustaining restored wetlands: identifying and solving management problems -- chapter eight. Conclusions and future directions -- Appendix 1: Native and nonnative salt marsh plant species of San Diego County -- Appendix 2: Coastal wetland plant species of southern California -- Appendix 3: Distribution of plant species in coastal wetlands of San Diego County -- Appendix 4: Habitat and elevational distribution of salt marsh plant species -- Appendix 5: Ecological and life history characteristics of common southern California salt marsh invertebrate species -- Appendix 6: Habitat functional requirements for common fish species in southern California salt marshes, lagoons, and estuaries -- Back cover.
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  • 2
    Publication Date: 2022-05-25
    Description: © The Author(s), 2018. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Scientific Reports 8 (2018): 15219, doi:10.1038/s41598-018-33283-4.
    Description: This Article corrects an error in Equation 1
    Repository Name: Woods Hole Open Access Server
    Type: Article
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  • 3
    Publication Date: 2022-05-25
    Description: © The Author(s), 2018. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Scientific Reports 8 (2018): 9478, doi:10.1038/s41598-018-26948-7.
    Description: Tidal wetlands produce long-term soil organic carbon (C) stocks. Thus for carbon accounting purposes, we need accurate and precise information on the magnitude and spatial distribution of those stocks. We assembled and analyzed an unprecedented soil core dataset, and tested three strategies for mapping carbon stocks: applying the average value from the synthesis to mapped tidal wetlands, applying models fit using empirical data and applied using soil, vegetation and salinity maps, and relying on independently generated soil carbon maps. Soil carbon stocks were far lower on average and varied less spatially and with depth than stocks calculated from available soils maps. Further, variation in carbon density was not well-predicted based on climate, salinity, vegetation, or soil classes. Instead, the assembled dataset showed that carbon density across the conterminous united states (CONUS) was normally distributed, with a predictable range of observations. We identified the simplest strategy, applying mean carbon density (27.0 kg C m−3), as the best performing strategy, and conservatively estimated that the top meter of CONUS tidal wetland soil contains 0.72 petagrams C. This strategy could provide standardization in CONUS tidal carbon accounting until such a time as modeling and mapping advancements can quantitatively improve accuracy and precision.
    Description: Synthesis efforts were funded by NASA Carbon Monitoring System (CMS; NNH14AY67I), USGS LandCarbon and the Smithsonian Institution. J.R.H. was additionally supported by the NSF-funded Coastal Carbon Research Coordination Network while completing this manuscript (DEB-1655622). J.M.S. coring efforts were funded by NSF (EAR-1204079). B.P.H. coring efforts were funded by Earth Observatory (Publication Number 197).
    Repository Name: Woods Hole Open Access Server
    Type: Article
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  • 4
    ISSN: 1520-510X
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1520-510X
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Restoration ecology 5 (1997), S. 0 
    ISSN: 1526-100X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Tidal wetland mesocosms at Tijuana River National Estuarine Research Reserve failed to elucidate effects of hydrologic treatments (excluded, impounded, and fully tidal systems) for most parameters measuring Salicornia virginica (pickleweed). Although soil salinity increased where tidal flushing was excluded for 10 months (salinities rose ∼20 to 50%), pickleweed cover and algal chlorophyll did not differ among treatments. Effects were seen only in pickleweed growth rates (∼30% decrease where tides were excluded) and normalized difference vegetation index (NDVI) measurements. We failed to show any differences between impounded and fully tidal conditions, because the mesocosms had coarse sediments, and impounded water drained easily via subsurface flow. However, the problems that we encountered with the mesocosms led to the following advice for future wetland restoration projects: (1) Mesocosms are useful for testing restoration techniques before an actual restoration project takes place. (2) Mesocosms should be used to test factors that may lead to more successful restoration in the future, including planting techniques, substrate conditions, and hydrology. (3) Mesocosms should be used to develop new assessment methods for monitoring wetland ecosystems. Because of the ability to control some environmental parameters while maintaining seminatural conditions, mesocosms offer great potential for the future evaluation of experimental restoration techniques.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Boston, MA, USA : Blackwell Science Inc
    Restoration ecology 7 (1999), S. 0 
    ISSN: 1526-100X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Hypothetical models in the scientific literature suggest that ecosystem restoration and creation sites follow a smooth path of development (called a trajectory), rapidly matching natural reference sites (the target). Multi-million-dollar mitigation agreements have been based on the expectation that damages to habitat will be compensated within 5–10 years, and monitoring periods have been set accordingly. Our San Diego Bay study site, the Sweetwater Marsh National Wildlife Refuge, has one of the longest and most detailed records of habitat development at a mitigation site: data on soil organic matter, soil nitrogen, plant growth, and plant canopies for up to 10 years from a 12-year-old site. High interannual variation and lack of directional changes indicate little chance that targets will be reached in the near future. Other papers perpetuate the trajectory model, despite data that corroborate our findings. After reviewing “trajectory models” and presenting our comprehensive data for the first time, we suggest alternative management and mitigation policies.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Climatic change 31 (1995), S. 67-78 
    ISSN: 1573-1480
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract An issue that arises when considering the potential damages of climate change is whether it is possible to slow or stop human caused climate change. One suggestion to reduce the threat of global warming is to change our management of forests to offset carbon emissions. This study examines the impacts of such a policy on environmental amenities in existing Douglas-fir forests. In this analysis Douglas-fir forest management is modelled in a Faustmann framework, where the forest produces three goods: timber, carbon sequestration and amenities. Using this framework, the level of amenities under profit-maximizing and carbon-sequestration management regimes are compared. The change in the level of seven specific amenities is modelled. These amenities include trout, wildlife diversity, visual aesthetics, soil stability, deer populations, elk populations, and water yield. The study finds that the effect of a carbon sequestration policy will depend on the discount rate chosen. In most situations externalities vary less than plus or minus ten percent. However, those externalities that exhibit discontinuities in their relationship to forest age may vary a hundred percent or more depending on the discount rate used.
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 1435-0629
    Keywords: Key words: coastal wetland; intertidal elevation; landscape position; scale; species composition; tidal creeks; topographic heterogeneity.  
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: ABSTRACT Although tidal wetland vegetation patterns are typically related to elevation, we hypothesized that the vertical range of a species may shift where the topography is more heterogeneous. We examined plant species occurrences in relation to elevation, proximity to the bay, and proximity to tidal creeks at a near-pristine wetland in San Quintín Bay, Baja California, Mexico. At the whole-wetland scale, most species occurred primarily within a 30-cm elevation band (the marsh plain). However, Spartina foliosa occurred only at the bayward margin, even though “suitable” elevations were present further inland. A similar pattern was found in San Diego Bay. At the microtopographic scale, three species on the marsh plain were strongly influenced by elevation, whereas four species responded to both elevation and proximity to tidal creeks. The latter species tended to “avoid” the lower 10 cm of the marsh plain except near a tidal creek. Species richness was thus greater (by 0.6 species at the lowest 10-cm class) at the tidal creek margin. Better drainage near creeks is the hypothesized cause. Our results help explain why species that are transplanted to constructed wetlands do not always grow at the full range of elevations they occupy in natural wetlands. We recommend that species be introduced to their modal elevation (determined from nearby reference marshes) and that salt-marsh construction designs include topographic heterogeneity (complex tidal creek networks). The analysis of broad-scale and fine-scale patterns of occurrence also suggests new habitat nomenclature. Elevation-based terms (“low,”“middle,” and “high” marsh) should be replaced by a system that considers elevation, landscape position, and conspicuous species. We suggest three habitat designations: (a) the high marsh—a 30- to 70-cm elevation range with Salicornia subterminalis; (b) the marsh plain—a 30-cm elevation range with heterogeneous topography and up to nine common species; and (c) cordgrass habitat—the bayward portion of the marsh plain and lower elevations, all occupied by Spartina foliosa. Although these habitats do not have discrete boundaries, separate terms are needed for wetland restoration plans and these designations will improve recognition that vegetation patterns respond to horizontal, as well as vertical, position.
    Type of Medium: Electronic Resource
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