000	00000cam 2200000zi 4500
001	9.957673
003	CaOODSP
005	20251215123353
006	m     o  d f
007	cr cn|||||||||
008	251125t20252025mbcbd   ob   f000 0 eng d
020	|a9780660799070
040	|aCaOODSP|beng|erda|cCaOODSP
043	|an-cn-qu
086	1 |aEn78-4/2025E-PDF
100	1 |aLizotte, Martine, |eauthor.
245	10|aDeoxygenation and acidification in the St. Lawrence Estuary / |cprepared by Martine Lizotte and Marjolaine Blais.
246	1 |iAt head of title: |aMonitoring the state of the St. Lawrence River
264	1|aWinnipeg, Manitoba : |bCanada Water Agency, |c[2025]
264	4|c©2025
300	|a1 online resource (5 unnumbered pages) : |bmaps, graphs
336	|atext|btxt|2rdacontent
337	|acomputer|bc|2rdamedia
338	|aonline resource|bcr|2rdacarrier
500	|aCaption title.
500	|a"Unclassified."
500	|aIssued also in French under title: Désoxygénation et acidification dans l'estuaire du Saint-Laurent.
504	|aIncludes bibliographical references.
520	|a"Oxygen levels in the deep waters of the St. Lawrence estuary have been monitored since the early 1970s. In 2022, they reached their lowest values ever recorded and remained close to these record lows in 2023 and 2024. Annual pH measurements carried out since 2014 reveal a trend towards acidification of the estuary's deep waters, characterized by a drop in pH, which reached a record low in 2023"--Highlights, page [1].
650	0|aWater acidification|zQuébec (Province)|zSaint Lawrence River Estuary.
650	0|aHypoxia (Water)|zQuébec (Province)|zSaint Lawrence River Estuary.
651	0|aSaint Lawrence River Estuary (Québec)|xEnvironmental conditions|vObservations.
710	2 |aCanada Water Agency, |eissuing body.
775	08|tDésoxygénation et acidification dans l'estuaire du Saint-Laurent / |w(CaOODSP)9.957674
856	40|qPDF|s513 KB|uhttps://publications.gc.ca/collections/collection_2025/aec-cwa/En78-4-2025-eng.pdf
856	4 |qHTML|sN/A|uhttps://www.canada.ca/en/canada-water-agency/freshwater-ecosystem-initiatives/st-lawrence-river/publications/deoxygenation-acidification-st-lawrence-estuary.html