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pro vyhledávání: '"Karen Portilla"'
Autor:
Juan Guamán, Karen Portilla, Paúl Arias-Muñoz, Gabriel Jácome, Santiago Cabrera, Luis Álvarez, Bolívar Batallas, Hernán Cadena, Juan Carlos García
Publikováno v:
Mathematics, Vol 11, Iss 23, p 4721 (2023)
So far, about 770.1 million confirmed cases of COVID-19 have been counted by August 2023, and around 7 million deaths have been reported from these cases to the World Health Organization. In Ecuador, the first confirmed COVID-19 case was registered o
Externí odkaz:
https://doaj.org/article/410ae50ce7f84233be04833c229c9457
Autor:
Karen Portilla, Elizabeth Velarde, Ellen Decaestecker, Franco Teixeira de Mello, Koenraad Muylaert
Publikováno v:
Water; Volume 15; Issue 1; Pages: 75
Submerged macrophytes promote water clarity in shallow lakes in temperate regions via zooplankton refuge, allelopathy, and nutrient competition with phytoplankton, thereby increasing zooplankton grazing. However, in high-altitude Andean ecosystems, t
Autor:
Elizabeth Velarde, Guido Wyseure, Koenraad Muylaert, Karen Portilla, Willem Van Colen, Peter Goethals, Tania Oña
Publikováno v:
Limnologica. 67:37-44
Temperate and tropical shallow lakes differ in several fundamental aspects with respect to management of eutrophication. High altitude tropical shallow lakes are a special case, showing similarities with temperate and tropical lakes. We studied the e