4 research outputs found
Not interesting enough to be followed by the NSA: An analysis of Dutch privacy attitudes
Open curtains and a careless attitude. The Dutch are described as holding an indifferent stance towards privacy in the aftermath of Snowden’s revelations of far-reaching government surveillance. But are Dutch reactions as aloof as often claimed? This study provides an in-depth overview of privacy attitudes in the Dutch debate about the National Security Agency (NSA) leaks, showing a greater variety of sentiments than anticipated. A qualitative frame analysis and a quantitative descriptive analysis resulted in six frames, which convey distinct privacy attitudes. Online and offline as well as professional and non-journalistic content in the debate displays a different distribution of frames. The frames, ranging from an “End justifies the means” attitude to an anxious fear of an “Orwellian dystopia”, are placed in a larger framework as the research demonstrates the connection to existing theories about privacy and surveillance. Dutch discussions about the NSA revelations often display a trade-off narrative balancing safety against privacy, and include (de)legitimisation strategies. These outcomes are in line with previous studies about mediated surveillance debates, which indicates that privacy attitudes transcend national boundaries. However, the inclusion of user-generated content adds an individual dimension to the existing body of research and reveals a personal perspective on surveillance issues
Parasite community structure as a predictor of host population structure: An example using Callorhinchus capensis
This paper describes the parasite community structure of the Cape elephant fish or St Joseph shark (Callorhinchus capensis) caught off the West and South Coast of South Africa between 2010 and 2015. These data were used to build species accumulation curves (SAC) and calculate biodiversity indices including rarefied species richness, Shannon Weiner's diversity index, Simpson's index and Pielou's J index. The biodiversity indices were correlated with the host's biological data to determine how these affected the parasite community structure and provide insight into the host's population structure. The parasites identified in C. capensis (n = 259) include a cestode (Gyrocotyle plana), two monogeneans (Callorhynchicotyle callorhynchi and Callorhinchicola multitesticulatus), an isopod (Anilocra capensis) and a leech (Branchellion sp.). Gyrocotyle plana was the most prevalent at 71.43% and the monogenean C. callorhynchi had the highest mean abundance (1.55 ± 0.45 parasites.fish−1) and the highest mean infection intensity (4.79 ± 0.66 parasites.infected fish−1). The SAC and biodiversity measures indicate a uniform parasite community across the sampled host population, suggesting a highly interactive shark community with no evidence for population structure. These results show that parasite community structure can be used to infer their host's population structure. Keywords: Species accumulation curves, Callorhinchus spp., Cestoda, Monogenea, Parasite ecology, Marine biodiversit