Climate change, tropical fisheries and prospects for sustainable development

Lam, Vicky W. Y.; Allison, Edward H.; Bell, Johann D.; Blythe, Jessica; Cheung, William W. L.; Frölicher, Thomas L.; Gasalla, Maria A.; Sumaila, U. Rashid

doi:10.1038/s43017-020-0071-9

Cited by 198 publications

(119 citation statements)

References 192 publications

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“…This is especially a concern in tropical regions, such as Southeast Asia, where declining local diversity resulting from poleward retreat of distribution leading edges is not necessarily compensated by new species arrivals. Therefore, adapting to climate change will be a signi cant challenge, especially for the many small-scale shers in the region, and good management will be essential for protecting livelihoods (Lam et al 2020).…”

Section: Discussionmentioning

confidence: 99%

“…The productivity of marine sheries is likely to be affected by climate change and the associated changes in ocean conditions including water temperature, ocean currents and coastal upwelling (Brander 2010;Sumaila et al 2011;Weatherdon et al 2016;Lam et al 2020). Modelling studies show a projected decrease in sh production potential and revenue in the region due to climate change (Stobutzki et al 2006; Barange et al 2014;Teh et al 2019).…”

Section: Introductionmentioning

confidence: 99%

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Projected Impacts of Climate Change on the Physical and Biogeochemical Environment in Southeast Asian Seas

Kay¹,

Avillanosa²,

Cheung³

et al. 2021

Preprint

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The seas of Southeast Asia are home to some of the world’s most diverse ecosystems and resources that support the livelihoods and wellbeing of millions of people. Climate change will bring temperature changes, acidification and other environmental change, with uncertain consequences for human and natural systems in the region. We present the first regional-scale projections of change in the marine environment up to the end of 21st century. A coupled physical-biogeochemical model with a resolution of 0.1° (approximately 11 km) was used to create projections of future environmental conditions under two greenhouse gas scenarios, RCP4.5 and RCP8.5. These show a sea that is warming by 1.1–2.9°C through the 21st century, with surface pH falling by up to 0.02 and dissolved oxygen decreasing by 5 to 13 mmol m− 3. Changes for different parts of the region, including four sensitive coastal sites, are presented. The changes reach all parts of the water column and many places are projected to experience conditions well outside the range seen at the start of the century. Altered species distribution and damage to coral reefs resulting from this environmental change would have consequences for biodiversity, for the livelihoods of small-scale fishers and for the food security of coastal communities across the region. Projections of this type are a key tool for communities planning how they will adapt to the challenge of climate change.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Projected Impacts of Climate Change on the Physical and Biogeochemical Environment in Southeast Asian Seas

Kay¹,

Avillanosa²,

Cheung³

et al. 2021

Preprint

View full text Add to dashboard Cite

show abstract

“…These changes cumulatively disrupt marine ecosystems, affecting fish stocks and marine biodiversity, with negative implications for food security and economic livelihoods, especially in tropical areas (IPCC, 2019, p. 27; Lam et al, 2020). Adaptation responses revolve around increasing the resilience of marine ecosystems and species to these changes through reducing stresses from pollution, overfishing, invasive species, habitat loss and degradation, and other human activity, while strengthening both natural and human coastal defenses provide some adaptation to rising sea levels and extreme weather events.…”

Section: The Ocean and Climate Change: Climate Impacts On The Ocean Amentioning

confidence: 99%

Linking ocean and climate change governance

Chan

2021

WIREs Climate Change

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Increasing links are being made between ocean sustainability and climate change, as illustrated by the Intergovernmental Panel on Climate Change special report on the ocean and cryosphere, and the billing of the 2019 UN climate change conference as the “Blue COP.” This review of these linkages is framed by the “bandwagoning” literature in global environmental politics to examine how ocean action has been constructed as being relevant for both climate mitigation and adaptation. This includes growing interest in “blue carbon” and the emerging narrative of the ocean as a “solution” to climate change, and drawing attention to climate impacts on ocean ecosystems and marine biodiversity. It highlights the roles played in constructing this link by entrepreneurial states and the NGO community in building an ocean‐climate bandwagon with the existing processes of the UN Framework Convention on Climate Change. As broader political attention is paid to ocean health, this review also highlights how these climate bandwagoning efforts overlap or clash with other ocean‐related international environmental processes. This article is categorized under: Policy and Governance > Multilevel and Transnational Climate Change Governance

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“…Fish stocks in tropical areas may decrease by up to 40% in 2050 compared to 2000, as a result of many factors ultimately linked to climate change (IPCC, 2018; Lam et al, 2020). African countries are most vulnerable to fisheries-related food insecurity although some may be able to compensate with aquaculture (Ding, Chen, Hilborn, & Chen, 2017).…”

Section: B) Climate Changementioning

confidence: 99%

Prioritizing Achievable Goals for Food Security in the Developing World

Rajaram¹,

Ginkel²

2021

GJMR

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Many solutions have been proposed to address food security. We present here a prioritized set of actions achievable within the next 2–10 years. By taking a systems approach we follow the impact pathway backwards starting from the needs and desires of the end-users to eventually define the research agenda that will exactly address those targeted solutions with positive impacts. The following actions emerge as high-priority and achievable in the near future: new research tools to study food systems; dis-aggregated intra-household surveys to reveal within-family inequalities in food access; increased scientific consensus on climate change impacts in sub-Saharan Africa; rapid response measures to address sudden emergencies, such as capturing excess rainfall water; financial tools to enable rapid responses with recovery measures afterwards; consideration of restrictions that excess heat and humidity impose on human productivity; secure land ownership and tenure rights to encourage long-term agricultural investment; mechanization at all stages along the food system.

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Climate change, tropical fisheries and prospects for sustainable development

Abstract: Fisheries substantially contribute to the well-being of societies in both the tropics and extratropics, the latter through 'tele-coupling'linkages between distant human-natural systems.Tropical marine habitats and fish stocks, however, are vulnerable to the physical and

Cited by 198 publications

References 192 publications

Projected Impacts of Climate Change on the Physical and Biogeochemical Environment in Southeast Asian Seas

Projected Impacts of Climate Change on the Physical and Biogeochemical Environment in Southeast Asian Seas

Linking ocean and climate change governance

Prioritizing Achievable Goals for Food Security in the Developing World

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