Linking key human-environment theories to inform the sustainability of coral reefs

Cinner, Joshua E.; Zamborain‐Mason, Jessica; Maire, Eva; Hoey, Andrew S.; Graham, Nicholas A. J.; Mouillot, David; Villéger, Sébastien; Ferse, Sebastian C. A.; Lockie, Stewart

doi:10.1016/j.cub.2022.04.055

Cited by 8 publications

(3 citation statements)

References 94 publications

(158 reference statements)

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“…The multiscale approach of our model considers multiple actors and social processes that determine and are impacted by water insecurity including community, organization, family, and individual scales their nested interrelations and also unique mechanisms of action. Recognizing the complexities of balancing natural and human systems (see Cinner et al, 2020Cinner et al, , 2022, our perspective seeks to find points of convergence across levels of analysis. The models is based on well-established contextual models of lifespan human development (e.g., Bronfenbrenner, 1979) of risk and resilience to stress (e.g., Hobfoll, 1989;Sandler, 2001) and newer models of human resilience in the face of severe stress (Weems and Overstreet, 2008;Bonanno et al, 2010;Weems et al, 2021).…”

Section: Our Perspectivementioning

confidence: 99%

A perspective for identifying intersections among the social, engineering, and geosciences to address water crises

Weems,

Poleacovschi,

Ikuma

2023

Front. Water

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Reliable access to safe water is essential for health, wellbeing, and the livelihoods of people. However, water security innovations benefit when engineering and geoscience decisions consider systemic human, social, and organizational realities, needs, and goals. Indeed, true innovation that leads to water security requires intensively inclusive and iterative processes to occur at multiple scales of analysis across diverse sciences—for this, expertise and knowledge across the varied sciences is essential to facilitate such convergent, transdisciplinary research. Here, we articulate our perspective for identifying points of intersection and working across disciplinary boundaries to address water crises. Our perspective takes a multidimensional view of community, organization, family, and individual resilience in the face of natural and human hazards. It builds upon previous models of cumulative water related risk by nuancing the relationships amongst levels of analysis, and expanding the idea of cumulative impacts to include interactive impacts (e.g., buffering, enhancing, effects and other moderators), mediated effects (i.e., mechanisms of impact), as well as additive and suppressive linkages amongst risk and protective factors.

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Section: Our Perspectivementioning

confidence: 99%

A perspective for identifying intersections among the social, engineering, and geosciences to address water crises

Weems,

Poleacovschi,

Ikuma

2023

Front. Water

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“…Raw additional covariate information is available from refs. 5,[52][53][54][55][56][57] . Reef polygon data was extracted from ref.…”

Section: Data Availabilitymentioning

confidence: 99%

“…As the distribution of DHW was skewed, these variables were square-rooted transformed. Other covariates not of interest to our specific research goal but accounted for in our model because of their potential association with our response variables (i.e., nuisance parameters) were: Total gravity , 25,52 ; Protection category 19 ; wave exposure 53,54 ; chlorophyll (mg/m 3 in the surface water layer 55 ); Nitrate (µmol/m 3 in the surface water layer ;55 ); sea surface temperature (SST 50 ); Human Development Index 56,57 ; Population growth (population growth from 2000 to 2010 25 ); Tourist density (national tourists per land area; 56,57 ); and fisher density (i.e., estimated number of reef fishers per reef area; 26,58 ). These covariates were transformed when necessary (see "Code Availability" for specific details) and standardized by subtracting the mean and dividing by two times the standard deviation 59 so the parameters of our model were estimated for average socio-ecological conditions.…”

Section: Estimating the Long-run Association Between Biomass Availabl...mentioning

confidence: 99%

Coral reef fish biomass and nutrient availability losses from thermal stress

Zamborain-Mason,

Eurich,

Viana

et al. 2023

Preprint

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Thermal stress driven by climate change is a major threat to tropical coral reef ecosystems1, with marine heatwaves expected to increase in frequency and intensity throughout the century. While corals are most often the focus of impacts2,3, thermal associated changes on reef fishes may lead to important flow-on effects for the nutrients available for people dependent on reef fisheries for food4. Here, we examine the cumulative impacts of thermal stress on reef fish assemblages between 1996 and 2020 to project the potential impacts of different climate change scenarios on reef fish biomass and associated nutrients available to human populations. We show that reefs that have experienced greater thermal stress in the past tend to have less reef fish biomass across all trophic guilds, and reduced nutrient availability across all nutrients. Applying such association to future thermal stress projections implies a continued decline in reef fish biomass and nutrient provision throughout the century. However, spatial variability in thermal stress projections pinpoints the locations and reef-based food systems that could (i) suffer the largest biomass and nutrient availability losses, and (ii) benefit the most from implementen climate mitigation strategies. Overall, our study provides empirical evidence that both climate change mitigation and adaptation are needed to bolster reef fish assemblages and associated tropical nutrition security.

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