Abstract
In the European Region agriculture is the second largest water user after power industry cooling water use. As part of the implementation of Water Framework Directive EU Member States prepared their river basin management plans by the end of 2009 or first half of 2010, In these plans impacts of agriculture on water bodies have received attention. The detailed information elaborated in the plans by countries and river basin districts were uploaded into the WFD section of the WISE system. This database provides opportunity for multi-criteria analysis for different water types. The paper discusses the effects of agriculture on hydromorphological pressures and impacts affecting surface water bodies. It was pointed out that among the pressures affecting European surface water bodies the hydromorphological and diffuse pressures represent the highest ratios (Figure 1). Within the hydromorphological pressures affecting classified surface water bodies the ratio of pressures related to agricultural activities is low,it does not exceed 1% at European level. In case of Hungary the agriculture related river management pressures effect about 80% of the surface water bodies, which is much higher than the corresponding European average. The agricultural water abstractions affect about 10% of the Hungarian surface water bodies (Figures 2 and 3). The river and lake water bodies are impacted in significant ratio by nutrient enrichments and organic material enrichments, while in case of river water bodies the impact of organic material enrichments is also significant (Figures 4 and 5).
Highlights
The detailed information elaborated in the plans by countries and river basin districts were uploaded into the WFD section of the WISE system
The paper discusses the effects of agriculture on hydromorphological pressures and impacts affecting surface water bodies
Within the hydromorphological pressures affecting classified surface water bodies the ratio of pressures related to agricultural activities is low, it does not exceed 1% at European level
Summary
Az európai régióban a mez gazdaság a második legnagyobb vízkészlethasználó az energiatermelési célú vízfelhasználás után. A Víz Keretirányelv megvalósításnak részeként az EU tagországok által 2009 végére, 2010 els felére elkészített vízgy jt -gazdálkodási tervek foglalkoznak a mez gazdasági tevékenységek víztestekre gyakorolt hatásának vizsgálatával is. A dolgozat a mez gazdaságnak a felszíni vizek hidromorfológiai tulajdonságaira gyakorolt hatását vizsgálja. Megállapítja, hogy az európai felszíni vizeket ér terhelések közül arányaiban a hidromorfológiai terhelés és a diffúz terhelés érinti a legtöbb víztestet A hidromorfológiai terheléseken belül az ökológiai osztályba sorolt felszíni víztesteket ér , mez gazdasághoz köthet terhelések aránya nagyon alacsony, európai szinten nem éri el az 1%-ot sem, ugyanakkor a magyarországi folyó víztestek esetében a mez gazdasághoz köthet folyószabályozási terhelés mértéke majdnem 80%-os, lényegesen magasabb, mint az európai átlagos érték, míg vízkivétel terhelésnél is meghaladja a 10%-ot Kulcsszavak: felszíni vizek terhelése, vízgy jt -gazdálkodási tervek, diffúz és hidromorfológiai terhelések és hatások, mez gazdaság
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