publication . Doctoral thesis . 2014

Ecophysiological responses to ammonium enrichment in seagrasses

Villazán Peñalosa, Beatriz;
Open Access English
  • Published: 29 Oct 2014
  • Country: Spain
Abstract
Anthropogenic nutrient loading in coastal areas is one of the major causes of seagrass decline worldwide. One of the main negative effects is indirectly caused by the proliferation of fast-growing species promoting light attenuation, sediment anoxia and sulphide intrusion risks. However, the parallel direct toxic effect caused by high ammonium (NH4+) concentrations on seagrasses has received little attention, in spite of some pioneer works. Adverse effects of NH4+ enrichment have been traditionally explained by internal accumulation of NH4+. To prevent toxic effects, plants must assimilate this nutrient into amino acids and other non-toxic organic compounds, gen...
Subjects
Medical Subject Headings: inorganic chemicalsfood and beverages
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