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LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00004308naa a2200457 4500
001oai:DiVA.org:su-180427
003SwePub
008200424s2021 | |||||||||||000 ||eng|
0247 a https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-1804272 URI
0247 a https://doi.org/10.1007/s13280-020-01318-82 DOI
040 a (SwePub)su
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
1001 a Albert, James S.4 aut
2451 0a Scientists' warning to humanity on the freshwater biodiversity crisis
264 c 2020-02-10
264 1b Springer Science and Business Media LLC,c 2021
338 a print2 rdacarrier
520 a Freshwater ecosystems provide irreplaceable services for both nature and society. The quality and quantity of freshwater affect biogeochemical processes and ecological dynamics that determine biodiversity, ecosystem productivity, and human health and welfare at local, regional and global scales. Freshwater ecosystems and their associated riparian habitats are amongst the most biologically diverse on Earth, and have inestimable economic, health, cultural, scientific and educational values. Yet human impacts to lakes, rivers, streams, wetlands and groundwater are dramatically reducing biodiversity and robbing critical natural resources and services from current and future generations. Freshwater biodiversity is declining rapidly on every continent and in every major river basin on Earth, and this degradation is occurring more rapidly than in terrestrial ecosystems. Currently, about one third of all global freshwater discharges pass through human agricultural, industrial or urban infrastructure. About one fifth of the Earth's arable land is now already equipped for irrigation, including all the most productive lands, and this proportion is projected to surpass one third by midcentury to feed the rapidly expanding populations of humans and commensal species, especially poultry and ruminant livestock. Less than one fifth of the world's preindustrial freshwater wetlands remain, and this proportion is projected to decline to under one tenth by midcentury, with imminent threats from water transfer megaprojects in Brazil and India, and coastal wetland drainage megaprojects in China. The Living Planet Index for freshwater vertebrate populations has declined to just one third that of 1970, and is projected to sink below one fifth by midcentury. A linear model of global economic expansion yields the chilling prediction that human utilization of critical freshwater resources will approach one half of the Earth's total capacity by midcentury. Although the magnitude and growth of the human freshwater footprint are greater than is generally understood by policy makers, the news media, or the general public, slowing and reversing dramatic losses of freshwater species and ecosystems is still possible. We recommend a set of urgent policy actions that promote clean water, conserve watershed services, and restore freshwater ecosystems and their vital services. Effective management of freshwater resources and ecosystems must be ranked amongst humanity's highest priorities.
650 7a NATURVETENSKAPx Geovetenskap och miljövetenskap0 (SwePub)1052 hsv//swe
650 7a NATURAL SCIENCESx Earth and Related Environmental Sciences0 (SwePub)1052 hsv//eng
653 a Aquatic biodiversity
653 a Conservation
653 a Ecosystem services
653 a Freshwater
653 a Groundwater
653 a Wetlands
7001 a Destouni, Georgiau Stockholms universitet,Institutionen för naturgeografi4 aut0 (Swepub:su)gdest
7001 a Duke-Sylvester, Scott M.4 aut
7001 a Magurran, Anne E.4 aut
7001 a Oberdorff, Thierry4 aut
7001 a Reis, Roberto E.4 aut
7001 a Winemiller, Kirk O.4 aut
7001 a Ripple, William J.4 aut
7102 a Stockholms universitetb Institutionen för naturgeografi4 org
7730 t Ambiod : Springer Science and Business Media LLCg 50, s. 85-94q 50<85-94x 0044-7447x 1654-7209
8564 u https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7708569
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-180427
8564 8u https://doi.org/10.1007/s13280-020-01318-8

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