Overestimation of Mangroves Deterioration From Sea Level Rise in Tropical Deltas

Geophysical Research Letters, Journal Year: 2024, Volume and Issue: 51(19)

Published: Oct. 3, 2024

Abstract Mangrove forests are critical coastal ecosystems that provide great socio‐ecological services, which also highly vulnerable to climate change, particularly sea level rise (SLR). Here we assess changes in mangrove four distinct river/tide/wave‐dominant large deltas along the Indo‐Pacific coast based on 1,336 remote sensing images by machine learning techniques. We find mangroves migrating seaward at a rate of 18% ± 12% m/yr, can offset landward loss, 67% caused land use conversion. The fact expanding with accretion rates exceeding SLR suggests change has not yet triggered substantial loss deltaic forests. Assuming present environmental conditions do and sediment organic deposition topsets match rates, project 90% may start retreat after 132–194 years. Early inundation will occur wave‐dominated delta.

Language: Английский

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The Vulnerability of South African Estuaries to Climate Change: A Review and Synthesis

Diversity, Journal Year: 2022, Volume and Issue: 14(9), P. 697 - 697

Published: Aug. 23, 2022

This review evaluates the vulnerability of South African estuaries to Climate Change in a data-limited environment. The regional-scale assessment is based on physical characteristics and predicted/measured changes abiotic drivers ecosystem responses. major stressors were identified order importance as change climatic hydrological processes, ocean circulation temperature regimes, sea level rise, increase frequency intensity storms, acidification. Flow-related responses included mouth state, salinity biochemical regimes (nutrient fluxes), floods related sediment deposition/erosion cycles. regional provides summary key shifts scaled high, medium, low estuary state. Changes oceanic processes drive nearshore temperatures transitional zones, with ecological (e.g., range expansion). However, most structural functional are expected along cool temperate subtropical biogeographical regions, leading notable closures which turn will affect function estuary-associated species. Monitoring management resources fresh water fisheries allocations) need consider this long-term planning.

Language: Английский

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Safeguarding climate-resilient mangroves requires a small increase in the global protected area

Research Square (Research Square), Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 20, 2025

Climate change and anthropogenic activities threaten biodiversity ecosystem services. Climate-smart conservation plans address these challenges by focusing protection in climate-resilient areas. However, integrating climate the design of is often deemed too expensive, as it may require larger networks or protecting more costly sites. Using mangroves a case study, we evaluated efficiency climate-smart versus climate-naïve reserve networks. We found that could provide sizable benefits for relatively small increases protected area. Moreover, transboundary plans, involving cooperation among countries, less area protect than nation-by-nation plans. Implementing strategies would improve current network areas mangroves, which currently has poor resilience. These findings also be applied other ecosystems.

Language: Английский

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Spatial pattern of biodiversity-carbon-coastal protection trade-offs and synergies potential in China’s mangroves and salt marshes

CATENA, Journal Year: 2025, Volume and Issue: 250, P. 108738 - 108738

Published: Jan. 23, 2025

Language: Английский

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Spatial Distribution of Relict Inland Mangrove (Rhizophora mangle L.) in the San Pedro River Basin: A Transboundary Analysis between Mexico and Guatemala

Estuaries and Coasts, Journal Year: 2025, Volume and Issue: 48(3)

Published: Feb. 5, 2025

Language: Английский

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