Template for evaluation of impacts of sea level rise on Caribbean coastal wetlands

Bacon, Peter R.

doi:10.1016/0925-8574(94)90044-2

Cited by 35 publications

(11 citation statements)

References 13 publications

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“…Throughout the Holocene, mangroves in the Caribbean have been able to respond to relatively small changes in sea level (<8±9 mm/year) through landward or seaward migration (Parkinson 1989;Parkinson et al 1994) mediated by local topography (Bacon 1994), while larger changes in sea level may have led to mangrove ecosystem collapse (Ellison and Stoddart 1991;J.C. Ellison 1993).…”

Section: Discussionmentioning

confidence: 98%

“…Ellison , 1994 have yielded a range of hypotheses regarding mangrove responses to sea level changes. Prognoses range from total mangrove ecosystem collapse (e.g., Ellison and Stoddart 1991), modest landward migration limited by coastal development (Parkinson 1989) or topography (Bacon 1994), or poleward migration along the coasts (Snedaker 1995), to relatively little change in either local distribution or abundance (Snedaker et al 1994). All of these responses depend to a large extent on the reactions of individual plants to rapid environmental change.…”

Section: Introductionmentioning

confidence: 99%

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Simulated sea level change alters anatomy, physiology, growth, and reproduction of red mangrove ( Rhizophora mangle L.)

1997

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Tropical coastal forests - mangroves - will be one of the first ecosystems to be affected by altered sea levels accompanying global climate change. Responses of mangrove forests to changing sea levels depend on reactions of individual plants, yet such responses have not been addressed experimentally. We report data from a long-term greenhouse study that assessed physiological and individual growth responses of the dominant neotropical mangrove, Rhizophora mangle, to levels of inundation expected to occur in the Caribbean within 50-100 years. In this study, we grew potted plants in tanks with simulated semidiurnal (twice daily) high tides that approximated current conditions (MW plants), a 16-cm increase in sea level (LW plants), and a 16-cm decrease in sea level (HW plants). The experiment lasted 2½ years, beginning with mangrove seedlings and terminating after plants began to reproduce. Environmental (air temperature, relative humidity, photosynthetically active radiation) and edaphic conditions (pH, redox, soil sulfide) approximated field conditions in Belize, the source locale for the seedlings. HW plants were shorter and narrower, and produced fewer branches and leaves, responses correlated with the development of acid-sulfide soils in their pots. LW plants initially grew more rapidly than MW plants. However, the growth of LW plants slowed dramatically once they reached the sapling stage, and by the end of the experiment, MW plants were 10-20% larger in all measured growth parameters. Plants did not exhibit differences in allometric growth as a function of inundation. Anatomical characteristics of leaves did not differ among treatments. Both foliar C:N and root porosity decreased from LW through MW to HW. Relative to LW and HW plants, MW plants had 1-7% fewer stomata/mm, 6-21% greater maximum photosynthetic rates, 3-23% greater absolute relative growth rates (RGRs), and a 30% higher RGR for a given increase in net assimilation rate. Reduced growth of R. mangle under realistic conditions approximating future inundation depths likely will temper projected increased growth of this species under concomitant increases in the atmospheric concentration of CO.

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Section: Discussionmentioning

confidence: 98%

Section: Introductionmentioning

confidence: 99%

Simulated sea level change alters anatomy, physiology, growth, and reproduction of red mangrove ( Rhizophora mangle L.)

1997

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“…Historically, mangroves have been able to respond to relatively small changes in sea level (\8-9 mm/year in the Caribbean) through landward or seaward migration (Parkinson 1989;Parkinson et al 1994) mediated by local topography (Bacon 1994), while larger changes in sea level have led to mangrove ecosystem collapse (Ellison and Stoddart 1991;Ellison 1993). In the future, landward migration of fringing mangrove species, such as Rhizospora mangle, will likely be limited both by in situ differences in growth and by coastal development and associated anthropogenic barriers (Parkinson et al 1994;Ellison and Farnsworth 1996).…”

Section: Mangroves/intertidal Forested Wetlandsmentioning

confidence: 99%

Wetlands and global climate change: the role of wetland restoration in a changing world

Erwin¹

2008

Wetlands Ecol Manage

989

481

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Global climate change is recognized as a threat to species survival and the health of natural systems. Scientists worldwide are looking at the ecological and hydrological impacts resulting from climate change. Climate change will make future efforts to restore and manage wetlands more complex. Wetland systems are vulnerable to changes in quantity and quality of their water supply, and it is expected that climate change will have a pronounced effect on wetlands through alterations in hydrological regimes with great global variability. Wetland habitat responses to climate change and the implications for restoration will be realized differently on a regional and mega-watershed level, making it important to recognize that specific restoration and management plans will require examination by habitat. Floodplains, mangroves, seagrasses, saltmarshes, arctic wetlands, peatlands, freshwater marshes and forests are very diverse habitats, with different stressors and hence different management and restoration techniques are needed. The Sundarban (Bangladesh and India), Mekong river delta (Vietnam), and southern Ontario (Canada) are examples of major wetland complexes where the effects of climate change are evolving in different ways. Thus, successful long term restoration and management of these systems will hinge on how we choose to respond to the effects of climate change. How will we choose priorities for restoration and research? Will enough water be available to rehabilitate currently damaged, waterstarved wetland ecosystems? This is a policy paper originally produced at the request of the Ramsar Convention on Wetlands and incorporates opinion, interpretation and scientific-based arguments.

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“…This result also supports the sediment trapping capacity and pattern of R. apiculata dominated mangroves throughout the world. Bacon [49] and Snedaker et al [50] reported that in most of the cases mangroves are keeping pace with the rate of sea level rise. However, long term and extensive research is essential for this kind of prediction and comparison.…”

Section: Discussionmentioning

confidence: 99%

Can Mangroves Help Combat Sea Level Rise Through Sediment Accretion and Accumulation?

Hoque¹,

Hena²,

Ahmed³

et al. 2015

MJS

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Mangroves have substantial roles to induce sedimentation in the vulnerable coastal regions, which subsequently helps to combat climate change induced impacts like sea level rise. Although Sarawak has numerous pristine estuarine mangroves, studies on the roles of these mangroves in regards to sediment deposition are scanty. Therefore, this study was carried out to determine the sediment accretion and accumulation pattern of pristine Sibuti mangrove using tiles and sediment traps from January to December 2013. Monthly average accretion and accumulation rate of sediments of this mangrove were 0.55 mm and 0.08 g cm -2 , respectively. A total of 6.56 mm and 0.93 g cm -2 sediments were accreted and accumulated annually. Significantly positive correlation (r=0.794) was found for the monthly accretion of sediments with accumulation. Accretion and accumulation of sediments were also positively correlated with rainfall. Comparatively higher rate of accretion and accumulation of sediments were estimated in the months of wet season when the rainfall and tidal inundation duration were high. Erosion was found higher in the months of dry season when the rainfall was low. Seasonal variations were not found for sediment accretion as well as accumulation in the study area. The findings of the study suggest that the roles of this forest in regards to sediment accretion through retention is compatible with the predicted annual rate of sea level rise of 1.8 to 5.9 mm within 21 st century by IPCC.

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Template for evaluation of impacts of sea level rise on Caribbean coastal wetlands

Cited by 35 publications

References 13 publications

Simulated sea level change alters anatomy, physiology, growth, and reproduction of red mangrove ( Rhizophora mangle L.)

Simulated sea level change alters anatomy, physiology, growth, and reproduction of red mangrove ( Rhizophora mangle L.)

Wetlands and global climate change: the role of wetland restoration in a changing world

Can Mangroves Help Combat Sea Level Rise Through Sediment Accretion and Accumulation?

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