Results 21 to 30 of about 56,752 (301)

Nutritional quality of littoral macroinvertebrates and pelagic zooplankton in subarctic lakes

Limnology and Oceanography, 2020
Littoral benthic primary production is considered the most important energy source of consumers in subarctic lakes. We analyzed essential fatty acid (EFA) and amino acid (EAA) content of 23 littoral benthic macroinvertebrate taxa as well as cladocerans ...
Jussi Vesterinen, O. Keva, K. Kahilainen, U. Strandberg, Minna Hiltunen, P. Kankaala, S. Taipale   +6 more
semanticscholar   +1 more source

Littoral eutrophication indicators are more closely related to nearshore land use than to water nutrient concentrations: A critical evaluation of stressor-response relationships.

Science of the Total Environment, 2020
Biological assessment metrics and water chemistry measurements are used to quantify the link between stressors and their effects on lake ecosystems, for the Water Framework Directive.
S. Schneider, Vera Biberdžić, Vjola Braho, Biljana Budzakoska Gjoreska, M. Cara, Zamira Dana, Pavle Đurašković, T. Eriksen, D. Hjermann, A. Imeri, Katarina Jovanović, J. Krizmanić, L. Kupe, Tatjana Loshkoska, J. Kemp, Aleksandra Marković, Suzana Patčeva, J. Rakočević, K. Stojanović, M. Talevska, Sonja Trajanovska, S. Trajanovski, E. Veljanoska-Sarafiloska, D. Vidaković, Konstantin Zdraveski, I. Živić, J. Vermaat   +26 more
semanticscholar   +1 more source

Les usagers d’une plage péri-urbaine face à la contamination microbiologique des eaux de baignade

VertigO, 2023
This paper deals with the case of a long-term swimming ban on a beach in the urban area of La Rochelle on the French Atlantic coast due to recurring exceedances of sanitary standards regarding water quality.
Maëlig Le Béguec, Emmanuelle Petit, Luc Vacher, Hélène Agogué, Mery Ndione   +4 more
doaj   +1 more source

Competitividad de las exportaciones argentinas de quesos y leche en polvo: Un análisis a partir de la demanda externa de los principales importadores

Estudios Económicos, 2022
El mercado externo resulta crucial para el crecimiento competitivo del sector lácteo argentino. Con una demanda mundial cambiante, el sector ha logrado adaptarse e insertarse en nuevos mercados, aunque con un desempeño competitivo muy volátil.
Mariano Nicolas Coronel, Rodrigo García Arancibia, Jimena Vicentin Masaro   +2 more
doaj   +1 more source

Structure of Poduromorpha (Collembola) communities in "restinga" environments in Brazil Estrutura de comunidades de Poduromorpha (Collembola) em áreas de restinga

Pesquisa Agropecuária Brasileira, 2009
The objectives of this work were to evaluate the richness and diversity of the Poduromorpha fauna in two biotopes in Restinga de Maricá, RJ, Brazil, to identify the characteristic species of each biotope and to determine the relationships between the ...
Liliane Henriques Fernandes, Jorge Luiz Nessimian, Maria Cleide de Mendonça   +2 more
doaj   +1 more source

Region specific Raman spectroscopy analysis of the femoral head reveals that trabecular bone is unlikely to contribute to non-traumatic osteonecrosis

Scientific Reports, 2017
Non-traumatic osteonecrosis (ON) of the femoral head is a common disease affecting a young population as the peak age of diagnosis is in the 40 s. The natural history of non-traumatic ON leads to a collapse of the femoral head requiring prosthetic ...
Tristan Pascart, Guillaume Falgayrac, Henri Migaud, Jean-François Quinchon, Laurène Norberciak, Jean-François Budzik, Julien Paccou, Anne Cotten, Guillaume Penel, Bernard Cortet   +9 more
doaj   +1 more source

First Characterization of Ostreopsis cf. ovata (Dinophyceae) and Detection of Ovatoxins during a Multispecific and Toxic Ostreopsis Bloom on French Atlantic Coast

Marine Drugs, 2022
Blooms of the benthic toxic dinoflagellate genus Ostreopsis have been recorded more frequently during the last two decades, particularly in warm temperate areas such as the Mediterranean Sea.
Nicolas Chomérat, Elvire Antajan, Isabelle Auby, Gwenael Bilien, Liliane Carpentier, Marie-Noëlle de Casamajor, Florian Ganthy, Fabienne Hervé, Magali Labadie, Claire Méteigner, Camille Paradis, Myriam Perrière-Rumèbe, Florence Sanchez, Véronique Séchet, Zouher Amzil   +14 more
doaj   +1 more source

Ecological impacts of winter water level drawdowns on lake littoral zones: a review

Aquatic Sciences, 2017
Freshwater littoral zones harbor diverse ecological communities and serve numerous ecosystem functions that are controlled, in part, by natural water level fluctuations.
Jason R. Carmignani, A. Roy
semanticscholar   +1 more source

Characterization of Chromophoric Dissolved Organic Matter in the Littoral Zones of Eutrophic Lakes Taihu and Hongze during the Algal Bloom Season

Water, 2018
: Chromophoric dissolved organic matter (CDOM) is a key component with a critical role in the littoral zones of eutrophic shallow lakes; yet the characteristics of CDOM in these zones remain seldom systematically reported.
Bingfa Chen, Wei Huang, Shuzhan Ma, Muhua Feng, Cheng Liu, Xiao-zhi Gu, Kaining Chen   +6 more
semanticscholar   +1 more source

Instrumento para medir la competitividad de empresas agropecuarias de Santa Fe, Argentina

Semiárida
Este estudio aborda la creación de un marco de evaluación que permita medir la competitividad de empresas agropecuarias en el centro de Santa Fe, Argentina.
Patricia Acetta, María Isabel Castignani, Noelia Rossler, Marta Suero, Antonella Migliarini   +4 more
doaj   +9 more sources