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The Economics of Shallow Lakes [PDF]
Ecological systems such as shallow lakes are usually non-linear and display discontinuities and hysteresis in their behaviour. These systems often also provide conflicting services as a resource and a waste sink. This implies that the economic analysis of these systems requires to solve a non-standard optimal control problem or, in case of a common ...
Karl-Goran Maler +2 more
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Regime Shifts in Shallow Lakes [PDF]
Every now and then the usual scenario of fluctuations around trends in ecosystems is interrupted by sharp shifts to a different regime (Scheffer and others 2001; Carpenter 2003). Similarly, reconstructions of past climatic dynamics reveal various spectacularly rapid changes punctuating episodes of relative stability (Rial and others 2004), and also ...
Scheffer, M., Jeppesen, E.
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Alternative Attractors of Shallow Lakes [PDF]
Ponds and shallow lakes can be very clear with abundant submerged plants, or very turbid due to a high concentration of phytoplankton and suspended sediment particles. These strongly contrasting ecosystem states have been found to represent alternative attractors with distinct stabilizing feedback mechanisms.
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On the optimally controlled stochastic shallow lake
We consider the stochastic control problem of the shallow lake and continue the work of G. T. Kossioris, Loulakis, and Souganidis (2019) in three directions. First, we generalise the characterisation of the value function as the viscosity solution of a well-posed problem to include more general recycling rates.
Angeliki Koutsimpela, Michail Loulakis
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ON THE DOMINANCE OF FILAMENTOUS CYANOBACTERIA IN SHALLOW, TURBID LAKES [PDF]
The phytoplankton community of eutrophic shallow lakes is often dominated by filamentous cyanobacteria of the family Oscillatoriaceae. In this paper we follow two independent approaches to show that this situation is likely to be one of two alternative stable states of the algal community.
M. Scheffer +4 more
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Cyanobacterial blooms in shallow lakes of the Iławskie Lake District [PDF]
Cyanobacterial blooms in shallow lakes of the Iławskie Lake DistrictThe dominance of blue-green algae observed in many lakes is related to a high trophic level. Shallow eutrophic lakes are particularly often abundant in blue-green algae. The research on phytoplankton, the results of which are presented in this paper, was carried out between 2002 and ...
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Dianchi Shallow Lake Management [PDF]
AbstractLake Dianchi in the Chinese province Yunnan is a shallow lake suffering from algae blooms for years due to high pollution. We conducted a thorough survey of the water quality of the northern part of the lake called Caohai. This study was intended as the basis for the system understanding of the shallow lake of Caohai. The study consisted of two
Florian Rankenhohn +2 more
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Planktonic Respiration in a Shallow Eutrophic Lake
ABSTRACT We studied the relationships between planktonic respiration and key physicochemical parameters and total autochthonous biomass for three years in Lake Pamvotis, a shallow and eutrophic Greek lake. Planktonic community respiration was correlated with only one environmental parameter, dissolved inorganic nitrogen concentration, which appeared to
Kagalou, I., Leonardos, I.
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Initial Post-Release Performance of Cultured Cyprinus chilia Juveniles in a Shallow Lake in Southwestern China. [PDF]
Zhu T +6 more
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Bimodality and alternative equilibria do not help explain long-term patterns in shallow lake chlorophyll-a. [PDF]
Davidson TA +7 more
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