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'Olyan mennyiségű műanyagot találtunk az állatokban, hogy ideje megnyomni a vészcsengőt'

Egyre több földközi-tengeri óriás ámbráscet, bálna, delfin esik a műanyagszemét áldozatául.
MTI - szmo.hu
2019. június 21.


hirdetés

Egy új kutatás szerint már mindennapos a partra vetett bálnák és delfinek gyomrában a műanyag, amely hosszú szenvedésre és pusztulásra ítéli őket.

A tudósok az elmúlt húsz év partra sodródott cetjeit tanulmányozták. A legszomorúbb annak az 5,3 méteres fiatal ámbráscetnek az esete volt, amelyet a görögországi Míkonosz szigetén találtak meg: 135 darab műanyagot nyelt le, összesen 3,2 kilogramm volt a súlyuk. Eltömték a gyomrát, amely hatalmasra puffadt, eközben az állat lesoványodott és éhen halt.

A földközi-tengeri óriás ámbráscetek a veszélyeztetett állatok közé tartoznak, elgázolják őket a hajók, belegabalyodnak a halászok hálóiba, az olaj- és gázkitermelésből származó hangszennyezés is árt nekik.

A Marine Pollution Bulletin folyóiratban megjelent tanulmány szerzői szerint kutatásuk a téma első nagy léptékű vizsgálata a Földközi-tengeren. Megállapították, hogy

a nagy ámbrásceteket veszélyezteti leginkább a műanyagszennyezés. Tízből hat nyelt műanyagot

Alekszandrosz Francisz, az athéni központú Pelagosz cetkutató intézet tudományos igazgatója, a kutatás vezetője szerint.

"Olyan mennyiségű műanyagot találtunk az állatokban, hogy ideje megnyomni a vészcsengőt. Nemcsak néhány cet nyelt le véletlenül valamit, hanem rendszeres és mindennapos lett, hogy műanyag kerül a gyomrukba"

- hangoztatta a tudós, aki elsőként hozta összefüggésbe a hadihajók szonárjait a cetpusztulással.

A kutatók nem vizsgálták az állatok testében lévő mikroműanyagokat, csak a szabad szemmel is látható darabokat. Azt találták, hogy az 1993-2014 között a görög partokra sodródott 34 bálna- és delfintetem közül kilenc nyelt jelentős méretű műanyagszemetet. Három ebbe pusztult bele.

Francisz szerint a műanyagszatyrok óriási gondot okoznak - nem mintha halálosabb veszélyt jelentenének más plasztikhulladékoknál, hanem azért, mert rendkívül elterjedtek.

"Egyikünk sem ártatlan. Tudtunkon vagy szándékunkon kívül akár a mi kezünk is érinthette azokat a darabokat, amelyek a ceteket elpusztították. Lehet, hogy kidobtuk a szemétbe, a szél elfújta a szemétdombról. A szemét nem ismer határokat" - mondta a tudós.

A Földközi-tenger a világ egyik legszennyezettebb tengere akár az úszó, akár a vízfenéki szemét szempontjából. A legnagyobb gond a műanyaghulladék, amely a legmélyebb pontokon is felbukkan.

"Ne vedd meg, ne használd és gyakorolj nyomást, hogy fejezzék be a gyártását" - ismertette Francisz a megoldást.

Fotó: Illusztráció


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hirdetés

Szeretlek Magyarország - szmo.hu
1970. január 01.




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hirdetés

Szeretlek Magyarország - szmo.hu
1970. január 01.




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hirdetés

Szeretlek Magyarország - szmo.hu
1970. január 01.




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hirdetés

Szeretlek Magyarország - szmo.hu
1970. január 01.




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