Long-term 2007–2013 monitoring of reproductive disturbance in the dun sentinel Assiminea grayana with regard to polymeric materials pollution at the coast of Lower Saxony, North Sea, Germany

November 2016
Print ISSN 0944-1344 / Online ISSN 1614-7499
B. T. Watermann, M. Löder, M. Herlyn, B. Daehne, A. Thomsen & K . Gall
Bibliografische Daten 
Environmental Science and Pollution Research, February 2017, Volume 24, Issue 4, pp 3352–3362, https://doi.org/10.1007/s11356-016-8058-2, DOI https://doi.org/10.1007/s11356-016-8058-2, Publisher Name: Springer Berlin Heidelberg

During biological effect monitoring studies of en- docrine active compounds with the snail Assiminea grayana in 2007–2013, reproductive disorders including atresia, trans- formation of capsule/albumen glands into prostates in females and ovotestis, transformation of prostates to capsule/albumen glands,  disruption  of  spermatogenesis,  and  calcification  of tubules  in  males,  were  encountered  in  several  years.  The search  of  sources  of  endocrine  active  substances  was  first directed to antifouling  biocides from paint  particles  and  extended to leaching compounds from polymeric materials. In contrast to the reference sites, most of the observed disorders occurred at a station near harbors and dockyards polluted with residues  from  antifouling  paints  and  polymeric  materials. Beside of investigations about the potential ingestion of polymer  particles  by  the  snails,  further  investigations  of  com- pounds  of  polymeric  materials  with  endocrine  potential should follow.