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Marine and Freshwater Research Marine and Freshwater Research Society
Advances in the aquatic sciences
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Marine and Freshwater Research

Marine and Freshwater Research

Volume 76 Number 7 2025


A diagram showing government timeline, party majority and environmental conventions index scores in the USA.

Statistically, US support for the Ramsar Convention has been bipartisan, and neither Democratic nor Republican majorities in the House or Senate correlated with better implementation. This finding jumpstarts a re-thinking of political affiliation and conservation goals, amid the incoming US Presidential administration. Globally, a new body of comparative research is possible using empirical data from the environmental conventions index (ECI). (Image credit: custom graphic: Design Crowd; designer: Rickyy.)

MF24216SARAS: a tool for the assessment of biodiversity and ecosystem services in semiarid dam reservoirs

Betsy Dantas de Medeiros 0000-0002-3747-9962, Magnólia de Araújo Campos, José Etham de Lucena Barbosa, Gislayne Kerliny de Aquino Queiroz, Maria João Feio and Daniele Jovem-Azevêdo

The semiarid reservoirs assessment system (SARAS) tool was developed with the aim of broadly assessing the quality of reservoirs. To do this, it takes into account the score obtained from provided benefits, those called ecosystem services (ES), their biodiversity and ecosystem functions and habitat. The final score makes the classification of the ecosystem possible.

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