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Nutrients and not t...
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Bonilla, SylviaUniv Republica, Uruguay
(författare)
Nutrients and not temperature are the key drivers for cyanobacterial biomass in the Americas
- Artikel/kapitelEngelska2023
Förlag, utgivningsår, omfång ...
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Elsevier,2023
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printrdacarrier
Nummerbeteckningar
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LIBRIS-ID:oai:DiVA.org:lnu-118841
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https://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-118841URI
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https://doi.org/10.1016/j.hal.2022.102367DOI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:art swepub-publicationtype
Anmärkningar
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Cyanobacterial blooms imperil the use of freshwater around the globe and present challenges for water man-agement. Studies have suggested that blooms are trigged by high temperatures and nutrient concentrations. While the roles of nitrogen and phosphorus have long been debated, cyanobacterial dominance in phytoplankton has widely been associated with climate warming. However, studies at large geographical scales, covering diverse climate regions and lake depths, are still needed to clarify the drivers of cyanobacterial success. Here, we analyzed data from 464 lakes covering a 14,000 km north-south gradient in the Americas and three lake depth categories. We show that there were no clear trends in cyanobacterial biomass (as biovolume) along latitude or climate gradients, with the exception of lower biomass in polar climates. Phosphorus was the primary resource explaining cyanobacterial biomass in the Americas, while nitrogen was also significant but particularly relevant in very shallow lakes (< 3 m depth). Despite the assessed climatic gradient water temperature was only weakly related to cyanobacterial biomass, suggesting it is overemphasized in current discussions. Depth was critical for predicting cyanobacterial biomass, and shallow lakes proved more vulnerable to eutrophication. Among other variables analyzed, only pH was significantly related to cyanobacteria biomass, likely due to a biologically mediated positive feedback under high nutrient conditions. Solutions toward managing harmful cyanobacteria should thus consider lake morphometric characteristics and emphasize nutrient control, independently of tem-perature gradients, since local factors are more critical - and more amenable to controls - than global external forces.
Ämnesord och genrebeteckningar
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Aguilera, AnabellaLinnéuniversitetet,Institutionen för biologi och miljö (BOM),Ctr Ecol & Evolut Microbial Model Syst EEMiS(Swepub:lnu)anagaa
(författare)
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Aubriot, LuisUniv Republica, Uruguay
(författare)
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Huszar, VeraUniv Fed Rio de Janeiro, Brazil
(författare)
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Almanza, VivianaUniv Concepcion, Chile
(författare)
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Haakonsson, SigneUniv Republica, Uruguay
(författare)
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Izaguirre, IrinaUniv Buenos Aires, Argentina
(författare)
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O'Farrell, InesUniv Buenos Aires, Argentina
(författare)
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Salazar, AnthonyLab Vigilancia Calidad Agua AUTODEMA Gobierno Reg, Peru
(författare)
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Becker, VanessaUniv Fed Rio Grande do Norte, Brazil
(författare)
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Cremella, BrunoUniv Sherbrooke, Canada
(författare)
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Ferragut, CarlaInst Pesquisas Ambientais, Brazil
(författare)
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Hernandez, EsnedyUniv Antioquia, Colombia
(författare)
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Palacio, HildaUniv CES, Colombia
(författare)
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Rodrigues, Luzia CleideUniv Estadual Maringa UEM, Brazil
(författare)
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Sampaio da Silva, Lucia HelenaUniv Fed Rio de Janeiro, Brazil
(författare)
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Santana, Lucineide MariaInst Pesquisas Ambientais, Brazil
(författare)
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Santos, JulianaUniv Fed Rio de Janeiro, Brazil
(författare)
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Somma, AndreaUniv Republica, Uruguay
(författare)
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Ortega, LauraUniv Estadual Maringa UEM, Brazil
(författare)
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Antoniades, DermotUniv Laval, Canada
(författare)
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Univ Republica, UruguayInstitutionen för biologi och miljö (BOM)
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Harmful Algae: Elsevier1211568-98831878-1470
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Till lärosätets databas
- Av författaren/redakt...
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Bonilla, Sylvia
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Aguilera, Anabel ...
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Aubriot, Luis
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Huszar, Vera
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Almanza, Viviana
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Haakonsson, Sign ...
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visa fler...
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Izaguirre, Irina
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O'Farrell, Ines
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Salazar, Anthony
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Becker, Vanessa
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Cremella, Bruno
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Ferragut, Carla
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Hernandez, Esned ...
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Palacio, Hilda
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Rodrigues, Luzia ...
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Sampaio da Silva ...
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Santana, Lucinei ...
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Santos, Juliana
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Somma, Andrea
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Ortega, Laura
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Antoniades, Derm ...
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- Om ämnet
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- NATURVETENSKAP
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NATURVETENSKAP
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och Biologi
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och Ekologi
- Artiklar i publikationen
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Harmful Algae
- Av lärosätet
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Linnéuniversitetet