Controlling biodiversity impacts of future global hydropower reservoirs by strategic site selection

Abstract Further reservoir-based hydropower development can contribute to the United Nations’ sustainable development goals (SDGs) on affordable and clean energy, and climate action. However, hydropower reservoir operation can lead to biodiversity impacts, thus interfering with the SDGs on clean wat...

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Autores principales:	Martin Dorber, Anders Arvesen, David Gernaat, Francesca Verones
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2020
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/79d8c85bea2e4fbdab23c5f63c2b91fa
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spelling	oai:doaj.org-article:79d8c85bea2e4fbdab23c5f63c2b91fa2021-12-02T16:18:03ZControlling biodiversity impacts of future global hydropower reservoirs by strategic site selection10.1038/s41598-020-78444-62045-2322https://doaj.org/article/79d8c85bea2e4fbdab23c5f63c2b91fa2020-12-01T00:00:00Zhttps://doi.org/10.1038/s41598-020-78444-6https://doaj.org/toc/2045-2322Abstract Further reservoir-based hydropower development can contribute to the United Nations’ sustainable development goals (SDGs) on affordable and clean energy, and climate action. However, hydropower reservoir operation can lead to biodiversity impacts, thus interfering with the SDGs on clean water and life on land. We combine a high-resolution, location-specific, technical assessment with newly developed life cycle impact assessment models, to assess potential biodiversity impacts of possible future hydropower reservoirs, resulting from land occupation, water consumption and methane emissions. We show that careful selection of hydropower reservoirs has a large potential to limit biodiversity impacts, as for example, 0.3% of the global hydropower potential accounts for 25% of the terrestrial biodiversity impact. Local variations, e.g. species richness, are the dominant explanatory factors of the variance in the quantified biodiversity impact and not the mere amount of water consumed, or land occupied per kWh. The biodiversity impacts are mainly caused by land occupation and water consumption, with methane emissions being much less important. Further, we indicate a trade-off risk between terrestrial and aquatic biodiversity impacts, as due to the weak correlation between terrestrial and aquatic impacts, reservoirs with small aquatic biodiversity impacts tend to have larger terrestrial impacts and vice versa.Martin DorberAnders ArvesenDavid GernaatFrancesca VeronesNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 10, Iss 1, Pp 1-13 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Martin Dorber Anders Arvesen David Gernaat Francesca Verones Controlling biodiversity impacts of future global hydropower reservoirs by strategic site selection
description	Abstract Further reservoir-based hydropower development can contribute to the United Nations’ sustainable development goals (SDGs) on affordable and clean energy, and climate action. However, hydropower reservoir operation can lead to biodiversity impacts, thus interfering with the SDGs on clean water and life on land. We combine a high-resolution, location-specific, technical assessment with newly developed life cycle impact assessment models, to assess potential biodiversity impacts of possible future hydropower reservoirs, resulting from land occupation, water consumption and methane emissions. We show that careful selection of hydropower reservoirs has a large potential to limit biodiversity impacts, as for example, 0.3% of the global hydropower potential accounts for 25% of the terrestrial biodiversity impact. Local variations, e.g. species richness, are the dominant explanatory factors of the variance in the quantified biodiversity impact and not the mere amount of water consumed, or land occupied per kWh. The biodiversity impacts are mainly caused by land occupation and water consumption, with methane emissions being much less important. Further, we indicate a trade-off risk between terrestrial and aquatic biodiversity impacts, as due to the weak correlation between terrestrial and aquatic impacts, reservoirs with small aquatic biodiversity impacts tend to have larger terrestrial impacts and vice versa.
format	article
author	Martin Dorber Anders Arvesen David Gernaat Francesca Verones
author_facet	Martin Dorber Anders Arvesen David Gernaat Francesca Verones
author_sort	Martin Dorber
title	Controlling biodiversity impacts of future global hydropower reservoirs by strategic site selection
title_short	Controlling biodiversity impacts of future global hydropower reservoirs by strategic site selection
title_full	Controlling biodiversity impacts of future global hydropower reservoirs by strategic site selection
title_fullStr	Controlling biodiversity impacts of future global hydropower reservoirs by strategic site selection
title_full_unstemmed	Controlling biodiversity impacts of future global hydropower reservoirs by strategic site selection
title_sort	controlling biodiversity impacts of future global hydropower reservoirs by strategic site selection
publisher	Nature Portfolio
publishDate	2020
url	https://doaj.org/article/79d8c85bea2e4fbdab23c5f63c2b91fa
work_keys_str_mv	AT martindorber controllingbiodiversityimpactsoffutureglobalhydropowerreservoirsbystrategicsiteselection AT andersarvesen controllingbiodiversityimpactsoffutureglobalhydropowerreservoirsbystrategicsiteselection AT davidgernaat controllingbiodiversityimpactsoffutureglobalhydropowerreservoirsbystrategicsiteselection AT francescaverones controllingbiodiversityimpactsoffutureglobalhydropowerreservoirsbystrategicsiteselection
_version_	1718384238323040256

Controlling biodiversity impacts of future global hydropower reservoirs by strategic site selection

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