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Article Dans Une Revue (Article De Synthèse) Earth's Future Année : 2024

Global Lake Health in the Anthropocene: Societal Implications and Treatment Strategies

Gesa A Weyhenmeyer
Azubuike V Chukwuka
  • Fonction : Auteur
Orlane Anneville
  • Fonction : Auteur
Justin Brookes
Carolinne R Carvalho
  • Fonction : Auteur
James B Cotner
Hans‐peter Grossart
David P Hamilton
  • Fonction : Auteur
Paul C Hanson
Josef Hejzlar
Sabine Hilt
Matthew R Hipsey
Bas W Ibelings
  • Fonction : Auteur
Külli Kangur
Theis Kragh
Bernhard Lehner
Fabio Lepori
  • Fonction : Auteur
Ben Lukubye
  • Fonction : Auteur
Rafael Marce
Yvonne Mcelarney
  • Fonction : Auteur
Ma. Cristina Paule-Mercado
  • Fonction : Auteur
Rebecca North
  • Fonction : Auteur
Keilor Rojas-Jimenez
  • Fonction : Auteur
James A Rusak
Sapna Sharma
Facundo Scordo
Lisette N de Senerpont Domis
Jonas Stage Sø
  • Fonction : Auteur
Marguerite A Xenopoulos
Yongqiang Zhou

Résumé

Abstract The world's 1.4 million lakes (≥10 ha) provide many ecosystem services that are essential for human well‐being; however, only if their health status is good. Here, we reviewed common lake health issues and classified them using a simple human health‐based approach to outline that lakes are living systems that are in need of oxygen, clean water and a balanced energy and nutrient supply. The main reason for adopting some of the human health terminology for the lake health classification is to increase the awareness and understanding of global lake health issues. We show that lakes are exposed to various anthropogenic stressors which can result in many lake health issues, ranging from thermal, circulatory, respiratory, nutritional and metabolic issues to infections and poisoning. Of particular concern for human well‐being is the widespread lake drying, which is a severe circulatory issue with many cascading effects on lake health. We estimated that ∼115,000 lakes evaporate twice as much water as they gain from direct precipitation, making them vulnerable to potential drying if inflowing waters follow the drying trend, putting more than 153 million people at risk who live in close vicinity to those lakes. Where lake health issues remain untreated, essential ecosystem services will decline or even vanish, posing a threat to the well‐being of millions of people. We recommend coordinated multisectoral and multidisciplinary prevention and treatment strategies, which need to include a follow‐up of the progress and an assessment of the resilience of lakes to intensifying threats. Priority should be given to implementing sewage water treatment, mitigating climate change, counteracting introductions of non‐native species to lakes and decreasing uncontrolled anthropogenic releases of chemicals into the hydro‐, bio‐, and atmosphere.
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hal-04570648 , version 1 (07-05-2024)

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Gesa A Weyhenmeyer, Azubuike V Chukwuka, Orlane Anneville, Justin Brookes, Carolinne R Carvalho, et al.. Global Lake Health in the Anthropocene: Societal Implications and Treatment Strategies. Earth's Future, 2024, 12 (4), pp.e2023EF004387. ⟨10.1029/2023EF004387⟩. ⟨hal-04570648⟩
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