Doctoral studies

country
city
subject area
language
university type  
university status  
pt pt
Lisbon, Portugal
subject area: physical education, tourism, services
pt pt
Lisbon, Portugal
subject area: physical education, tourism, services
pt pt
Lisbon, Portugal
subject area: physical education, tourism, services
pt pt
Ponta Delgada, Portugal
subject area: physical education, tourism, services
pt pt
Porto, Portugal
subject area: physical education, tourism, services
Shallow lakes have been greatly affected by increased concentrations of nitrogen and phosphorus from intensive agriculture and increased human populations. These key nutrients for plant growth enter the aquatic environment, changing clear water to turbid through a phenomenon called eutrophication.
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