Understanding the consequences of sea level rise: the ecological implications of losing intertidal habitat

Rullens, Vera; Mangan, Stephanie; Stephenson, Fabrice; Clark, Dana; Bulmer, R.H.; Berthelsen, Anna; Crawshaw, Josie; Gladstone‐Gallagher, Rebecca V.; Thomas, Sam; Ellis, Joanne I.; Pilditch, Conrad A.

doi:10.1080/00288330.2022.2086587

Cited by 15 publications

(6 citation statements)

References 93 publications

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“…Estuaries, where tides mix saltwater and freshwater, are dynamic biogeochemical mixing zones characterized by sharp chemical gradients that regulate biological activity [e.g., (Crump et al 2017)]. Shifts in tidal zones associated with sea-level rise are predicted to alter the extent of key intertidal habitats, with potential disruptions to coastal food webs (Rullens et al 2022). Changes in duration and extent of inundation associated with tides control soil saturation and salinity, which influence redox dynamics, and hydrologically driven exchange of carbon, nutrients, and pollutants (Pezeshki and DeLaune 2012, Bogard et al 2020, Regier et al 2021.…”

Section: Tidally Driven Coastal Zonesmentioning

confidence: 99%

Reviews and Syntheses: Variable Inundation Across Earth’s Terrestrial Ecosystems

Stegen,

Burgin,

Busch

et al. 2024

Preprint

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Abstract. The structure, function, and dynamics of Earth’s terrestrial ecosystems are profoundly influenced by the frequency and duration that they are inundated with water. A diverse array of natural and human engineered systems experience temporally variable inundation whereby they fluctuate between inundated and non-inundated states. Variable inundation spans from extreme flooding and droughts to predictable sub-daily cycles. Variably inundated ecosystems (VIEs) include hillslopes, non-perennial streams, wetlands, floodplains, temporary ponds, tidal systems, storm-impacted coastal zones, and human engineered systems. VIEs are diverse in terms of inundation regimes, water chemistry and flow velocity, soil and sediment properties, vegetation, and many other properties. The spatial and temporal scales of variable inundation are vast, ranging from sub-meter to whole landscapes and from sub-hourly to multi-decadal. The broad range of system types and scales makes it challenging to predict the hydrology, biogeochemistry, ecology, and physical evolution of VIEs. Despite all experiencing the loss and gain of an overlying water column, VIEs are rarely considered together in conceptual, theoretical, modeling, or measurement frameworks/approaches. Studying VIEs together has the potential to generate mechanistic understanding that is transferable across a much broader range of environmental conditions, relative to knowledge generated by studying any one VIE type. We postulate that enhanced transferability will be important for predicting VIE function under future, potentially non-analog, environmental conditions. Here we aim to catalyze cross-VIE science that studies drivers and impacts of variable inundation across Earth’s VIEs. To this end, we complement expert mini-reviews of eight major VIE systems with overviews of VIE-relevant methods and challenges associated with scale. We conclude with perspectives on how cross-VIE science can derive transferable understanding via a ‘continuum approach’ in which the impacts of variable inundation are studied across multi-dimensional environmental space.

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Section: Tidally Driven Coastal Zonesmentioning

confidence: 99%

Reviews and Syntheses: Variable Inundation Across Earth’s Terrestrial Ecosystems

Stegen,

Burgin,

Busch

et al. 2024

Preprint

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“…Although industrial fishing is not authorized in the Bijagós Archipelago, guitarfishes are known to be exploited in the archipelago by artisanal fisheries (Campredon & Cuq, 2001; Cross, 2015). Blackchin guitarfish may also be threatened by the continuous loss of intertidal habitats (Murray et al, 2019) driven mostly by land reclamation and sea‐level rise (Galbraith et al, 2002; Rullens et al, 2022). Although currently important intertidal areas in West Africa show no signs of significant reduction (Santos et al, 2023), perspectives for the future are worrying (Galbraith et al, 2002).…”

Section: Figurementioning

confidence: 99%

Diet of the critically endangered blackchin guitarfish Glaucostegus cemiculus revealed using DNA metabarcoding

Correia,

Granadeiro,

Santos

et al. 2023

Journal of Fish Biology

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We present the first assessment of the diet of the blackchin guitarfish Glaucostegus cemiculus (Geoffroy Saint‐Hilaire, 1817) for West Africa, using DNA metabarcoding on stomach contents of individuals captured in the Bijagós archipelago, Guinea‐Bissau. The diet was dominated by crustaceans, particularly caramote prawn Penaeus kerathurus (frequency of occurrence FO=74%; numerical frequency NF=54%) and fiddler crab Afruca tangeri (FO=74%; NF=12%). Bony fishes occurred in 30% of the stomachs. We highlight the importance of conservation action for intertidal habitats and their associated benthic invertebrates for the survival of the critically endangered blackchin guitarfish.This article is protected by copyright. All rights reserved.

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“…Although little attention is given (compared to the continuous sea level hike), numerous ecosystem disruptions are evident, and the implications are considerable. The scenario has been regarded as one of the utmost potential reasons for ecosystem disorder, placing several coastal areas in danger of unalterable changes (Rullens et al, 2022) 1960-1970 : 0.877 1970-1980 : 1.308 1980-1990 : 1.569 1990-2000 : 1.526 2000-2010 : 2.039 2010-2020 : 2.414 Figure 2. Cumulative sea-level change in inches from 1880 to 2020 monitored by CSIRO and NOAA.…”

Section: Maritime Levelmentioning

confidence: 99%

Climate change: Consequences for neglecting the early warnings a brief testimony

Rihashni Thivagaran,

Abu Bakar,

Karthick Murugan Palanisamy

et al. 2023

Maejo Int. J. Energ. Environ. Comm. or MIJEEC

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To a great extent reversing the effects of climate change is almost unfeasible. The impact has grown to a near-final stage. The results certainly cost a lot to human beings. Humans undoubtedly initiated the current deteriorating state through their activities to achieve the so-called 'development'. On the other hand, the deterioration effects have not happened in one day but at a relatively slower pace with numerous indications (rise in temperature, sea level, CO2, land disappearing, unpredictable sudden weather changes) that have been missed or neglected. The most that can be done now is to reduce the deterioration rate, which is only possible with collective efforts from all nations, especially the top-emitting countries. Simultaneously, people must adapt to the ever-changing climate and its consequences by devoting themselves to early warning systems. This report highlights those early indications (warnings) and the effects by neglecting those warnings and suggesting adaptation by focusing on early climate information.

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Understanding the consequences of sea level rise: the ecological implications of losing intertidal habitat

Cited by 15 publications

References 93 publications

Reviews and Syntheses: Variable Inundation Across Earth’s Terrestrial Ecosystems

Reviews and Syntheses: Variable Inundation Across Earth’s Terrestrial Ecosystems

Diet of the critically endangered blackchin guitarfish Glaucostegus cemiculus revealed using DNA metabarcoding

Climate change: Consequences for neglecting the early warnings a brief testimony

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