Danske Rederier går til kamp mod begroning

Danske Rederier bakker fuldt op om IMO’s retningslinjer for håndtering af begroning/biofouling for at beskytte sårbare marine økosystemer og bi­o­di­ver­si­te­ten i havene. Begroning på skibenes skrog er en væsentlig faktor i spredningen af invasive arter, påpeger organisationen.

Nina Porst, direktør for Klima, Miljø og Sikkerhed i Danske Rederier.. Foto: Danske Rederier

Små alger, rurer og andre organismer, der sidder fast på skibenes skrog, kan sprede invasive arter over store afstande og forårsage problemer i marine økosystemer på den anden side af jorden.

"Der er meget, vi kan gøre for at reducere risikoen for at transportere invasive arter til sårbare marine økosystemer. Vi anbefaler regelmæssig overvågning og rengøring af skrog ved hjælp af giftfri, lang­tids­hold­ba­re belægninger samt innovative skrogdesign og teknologier. Vores skibe sejler over store afstande, og vi skal sikre, at vi ikke tager invasive arter med os og skader marine økosystemer på vores rejser," siger Nina Porst, direktør for Klima, Miljø og Sikkerhed i Danske Rederier.

Undersøgelser har vist, at begroning er en væsentlig faktor i spredningen af invasive arter, og at selv en lille mængde begroning (som alger eller rurer) kan øge friktionen med op til 55 pct., hvilket fører til et betydeligt højere brænd­stof­for­brug, skriver Danske Rederier i en pressemeddelelse.

Danske Rederier har vedtaget en ny politik for håndtering af begroning, hvor de anbefaler, at deres medlemmer følger IMO’s retningslinjer, som i øjeblikket ikke er obligatoriske.

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