Answers: Altered or natural? Waimakariri River, New Zealand Modified with stopbanks , channel straightening and gravel extraction to protect nearby settlements from flooding and to manage sediment. These interventions have constrained its naturally braided course, reducing the freedom of the river to shift across its floodplain. Restoring our Rivers Science Story Rhine River, Germany Extensively altered through straightening, canalisation, embankments and dams to improve navigation, manage flooding and produce hydroelectric power. These modifications have reduced natural floodplains and habitats, although some restoration efforts are now taking place. Kurobe River, Japan Significantly altered through the construction of dams and hydroelectric projects, which have changed its natural flow, reduced sediment transport, and impacted local ecosystems. Vjosa River, Albania Remains one of Europe’s last largely free-flowing rivers, with minimal alterations compared to most rivers, as large-scale damming and diversions have so far been avoided to preserve its natural ecosystems.
Diaporama original : Restoring Waterways Science Story
Sujets : Ressources durables. Biodiversité. Eau douce. Services écosystémiques. Pollution par les nutriments.
Âges appropriés : 14. 15. 16. 17. 18.
Mots-clés : Agriculture. Biodiversité. Biologie. Carbone. Climat. Conservation. Contamination. Diversité des espèces. Eau. Eau douce. Écosystèmes. Enseignement secondaire. Environnement. Estuaires. Eutrophisation. Flore. Flux. Gestion. Habitats. Lagunes côtières. Nutriments. Pensée critique. Pollution. Qualité de l’eau. Recherche sur le terrain. Restauration de la rivière. Restauration des milieux humides. Sensibilisation à l’environnement. Surveillance de l’eau douce. Travail sur le terrain. Un environnement changeant.
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