Ominaisuus:Additional information
Järvi-meriwikistä
Tämä on ominaisuus, jonka tyyppi onTeksti.
A
Sedimentation pond at inflow +
New sewage treatment plant +
Chemical inactivation of phosphorus +
B
Siltation +
1992 - 2002: Before layer dredgings, deep dredgings (suilt traps) were done, in the shoreline more suilt traps were built. After layer dredgings occured. +
Fish kills +
Buffer zones +
Invasive species (Cylindrospermopsis Raciborskii) +
C
It is being proposed to remove sediment and invasive species, and planting of indigenous species in part of the watercourse during 2014. +
E
Mean annual load of phosphorus: 17 kg +
Low oxygen +
Chemical inactivation of phosphorus +
Mean annual load of phosphorus (from diffuse and point sources): 1025 kg +
Mean annual load of phosphorus (from diffuse and point sources): 1025 kg +
Mean annual load of phosphorus: 1728 kg +
Low oxygen +
Low oxygen +
Mean annual load of phosphorus: 97 kg +
G
Low oxygen +
Mean annual load of phosphorus: 31 kg +
H
Median value from n measures during growing season +
Median value from n measures during growing season +
Median value from n measures during growing season +
Median value from n measures during growing season +
Median value from n measures during growing season +
Median value from n measures during growing season +
Median value from n measures during growing season +
Median value from n measures during growing season +
Median value from n measures during growing season +
Mean annual loading of phosphorus: 209 kg (field 103 kg, forest 54 kg, rural population 48 kg, swamp 4 kg) +
Estimated reduction from waste waters 45 % +
Low oxygen +
Mean annual load of phosphorus: 8735 kg +
Mean annual load of phosphorus: 280 kg +
Chemical inactivation of phosphorus +
Mean annual load of phosphorus (from diffuse and point sources): 299 kg +
Mean annual load of phosphorus (from diffuse and point sources): 299 kg +
K
Oxygen depletion in water above the sediment +
Fish kills +
Siltation +
Repeated fish kills +
Rising water level (reconstruction of dam) +
Mean annual load of phosphorus: 563 kg +
Mean annual load of phosphorus (from diffuse and point sources): 9244 kg +
Current P-reduction in treatment of sewage water is 95% +
Mean annual load of phosphorus (from diffuse and point sources): 9244 kg +
Mean annual load of phosphorus (from diffuse and point sources): 3948 kg +
Mean annual load of phosphorus (from diffuse and point sources): 3948 kg +
Mean annual load of phosphorus: 2765,62 kg +
P-reduction in treatment of sewage water is currently 95 % +
Mean annual load of phosphorus: 13 kg +
Chemical inactivation of phosphorus +
2/3 of lake area +
Hypoxia, water volume too low +
Permanent raising of the water level by 50 cm +
Mean annual load of phosphorus: 398,01 kg +
Low oxygen +
Mean annual load of phosphorus: 8 kg +
Pikeperch stocking +
Low oxygen +
Mean annual load of phosphorus: 94 kg +
Chemical inactivation of phosphorus +
Mean annual load of phosphorus: 4638 kg +
L
Mean annual load of phosphorus (from diffuse and point sources): 145 kg +
Mean annual load of phosphorus (from diffuse and point sources): 145 kg +
Siltation +
Invasive species (Ameiurus melas, Pseudorasbora parva, Lepomis gibbosus, Carassius auratus gibelio, Proterorhinus semilunaris) +
Current P-reduction in treatment of sewage water is 95% +
Mean annual load of phosphorus (from diffuse and point sources): 25000 kg +
Mean annual load of phosphorus (from diffuse and point sources): 25000 kg +
Low oxygen +
Siltation +
M
Mean annual load of phosphorus: 216 kg +
Increased waterlevel +
N
Hypoxia in winter +
Proposed modified Riplox method for restoration +
New water purification plant +
Mean annual load of phosphorus (from diffuse and point sources): 824,21 kg +
O
Mean annual load of phosphorus (from diffuse and point sources): 1808 kg +
Mean annual load of phosphorus (from diffuse and point sources): 1808 kg +
Low oxygen +
P
Low oxygen +
Mean annual load of phosphorus: 1634 kg +
Mean annual load of phosphorus: 1085 kg +
Mean annual load of phosphorus (from diffuse and point sources): 5941 kg +
Mean annual load of phosphorus (from diffuse and point sources): 5941 kg +
R
Toxic substances in sediments +
Low oxygen +
Mean annual load of phosphorus: 1332,84 kg +
External phosphorus loading from scattered settlement +
Siltation +
Oxygen depletion in water above the sediment +
Mean annual load of phosphorus (from diffuse and point sources): 358 kg +
Mean annual load of phosphorus (from diffuse and point sources): 358 kg +
Mean annual load of phosphorus: 494 kg +
S
Stokking pike +
Intensiivne taime produktsioon pluss niitvetikad +
Talvel väike O2 sisaldus, vetikad vohavad, väike veemass +
Cleaning of coastal areas from busches and dead trees +
T
Mean annual load of phosphorus: 79 kg +
Low oxygen +
Mean annual loading of phosphorus 1327,07 kg +
Low oxygen +
Siltation +
Rarely, external P load in case of WWTP malfunctions +
Treatment of stormwater +
5 sedimentation ponds with a total area of 290 ha and 1 wetland with an area of 3,3, ha +
In the 1970's +
From the 240.000 kg harvested fish 220.000 kg were the carps in 2011. +
Current P-reduction from sewage water: 95% +
Urban stormwater +
Chemical inactivation of phosphorus +
Mean annual load of phosphorus (from diffuse and point sources): 54 kg +
Mean annual load of phosphorus (from diffuse and point sources): 54 kg +
Mean annual load of phosphorus (from diffuse and point sources): 3837 kg +
Current P-reduction in treatment of sewage water is 100% +
Oxygen depletion +
Mean annual load of phosphorus (from diffuse and point sources): 3837 kg +
V
Current P-reduction from sewage water: 100% +
With the reeds part to stop the eutrofization +
Vereb-Pázmándi water course redds filtering area +
Anoxia in bottom +
Geotextile in bathing areas up to depth 1,75 m +
Mean annual load of phosphorus: 17284 kg +
High biomass of macrophytes and filamentous algae +
Cleaning of coastal areas from busches and dead trees +
Hypoxia in witer and too low water wolume +
1966 -1970 was gradually restricted trawling -mortality of pikeperch dropped considerabely +
Low water level +
Increased water exange with sea +
Ü
Too high cost for purification of drinking water +