This study investigates if and how present institutional structures and interactions between scientifi c assessment and environmental management are suffi cient for implementing the ecosystem approach to management (EAM) in the case of Baltic Sea eutrophication. Concerning governance structures, a number of institutions and policies focus on issues relating to eutrophication. In many cases, the...

Eutrophication is a process resulting from an increase in anthropogenic nutrient inputs from rivers and other sources, the consequences of which can include enhanced algal biomass, changes in plankton community composition and oxygen depletion near the seabed. Within the context of the Marine Strategy Framework Directive, indicators (and associated threshold) have been identified to assess the ...

the zerebar lake is a shallow freshwater lake located in the northwestern iran. the lake is surrounded by three human activities: agriculture, tourism and dam. the present study aimed to investigate (1) which human activity has the greatest impact on eutrophication of the zerebar lake (2) if phytoplankton communities, as the indicator, are correlated with the human activities. water samples wer...

The semi-enclosed topography and the strong anthropogenic pressures make the Baltic Sea vulnerable to environmentally induced ecological changes. The large-scale nutrient overenrichment is one of the most serious threats against the health and future perspectives of the Baltic Sea ecosystem. To combat the eutrophication in a complex marine ecosystem, an interdisciplinary agenda is needed. Co-op...

Soil phosphorus (P) fertility arising from historic P inputs is a major driver of P mobilisation in agricultural runoff and increases the risk of aquatic eutrophication. To determine the environmental benefit of lowering soil P fertility, a meta-analysis of the relationship between soil test P (measured as Olsen-P) and P concentrations in agricultural drainflow and surface runoff in mostly UK s...

Over the last 20 years, loss of seagrass beds, often related with increased eutrophication, became a common problem worldwide. In the Mondego estuary (Portugal), eutrophication has triggered serious biological changes, which led to an overall increase in primary production and to a progressive replacement of seagrass Zostera noltii beds by coarser sediments and opportunistic macroalgae. The eff...

Major advances in the scientific understanding and management of eutrophication have been made since the late 1960s. The control of point sources of phosphorus reduced algal blooms in many lakes. Diffuse nutrient sources from land use changes and urbanization in the catchments of lakes have proved possible to control but require many years of restoration efforts. The importance of water residen...

Riedinger-Whitmore, M.A., T.J. Whitmore, J.M. Smoak, M. Brenner, A. Moore, J. Curtis and C.L. Schelske. 2005. Cyanobacterial proliferation is a recent response to eutrophication in many Florida lakes: A paleolimnological assessment. Lake and Reserv. Manage. 21(4):423-435. Cyanobacteria dominate many highly productive Florida lakes. Algal proliferation often is attributed to eutrophication durin...

Nutrient loading to coastal bay ecosystems is of a similar magnitude as that to deeper, river-fed estuaries, yet our understanding of the eutrophication process in these shallow systems lags far behind. In this synthesis, we focus on one type of biotic feedback that influences eutrophication patterns in coastal bays—the important role of primary producers in the ‘coastal filter’. We discuss the...

the early reaction of the plankton communities to environmental changes makes it a useful tool for monitoring the pollution of aquatic environments. lake azili is a small water body, the majority of which is strongly influenced by river ouémé during the floods time. its ecosystem is one of the most important for the country, due to its rich biodiversity, especially that of halieutics. by follow...