Publications by authors named "R Svensen"

Article Synopsis
  • The invasive ascidian Didemnum vexillum poses significant ecological and economic threats, now recognized in Norway since 2020, especially near busy ports.
  • Monitoring over 624 days showed rapid growth of the species, with colonies increasing from 78 cm to 1008 cm, primarily during warmer summer months.
  • The rapid spread of D. vexillum could negatively impact coastal ecosystems and important industries in Norway, highlighting the need for preventive measures and localized mitigation strategies.
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Numerous photographs of live fishes posted by anglers and divers on social media and citizen science databases are important sources of information for ichthyological research. However, validating records that extend the known ecology and bathymetric or geographic distribution of species should rely on a rigorous identification process. The family Gobiidae, with their small size, superficial resemblance among species and high species richness are particularly difficult to identify.

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A new goby species, Lebetus patzneri sp. nov. (Teleostei: Gobiidae) is described based on two preserved and two photographed specimens collected from two circalittoral bottom locations off the Balearic Islands, western Mediterranean.

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Introduction: Bowel obstruction is associated with a reduction in quality of life and survival among cancer patients, and the entity is traditionally treated by general surgeons without dedication to the different malignancies that cause bowel obstruction or to palliation. This study aims to identify and improve outcome of bowel obstruction in women with a history of a gynaecologic cancer.

Methods: Women operated for bowel obstruction were screened for a history of gynaecologic cancer and their records were reviewed.

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Chronic constipation (CC) is a highly prevalent heterogeneous disorder. Although CC is not known to be associated with the development of serious disease or with excess mortality, it considerably reduces the patients quality of life. In addition, it represents an economic burden to patients and society.

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