Species data for Scottish waters held and managed by Scottish Natural Heritage, derived from benthic surveys 1993 to 2014
The dataset comprises: species records from benthic surveys commissioned by SNH or partners where the outputs are under the custodianship of SNH. Additionally species records determined from SNH analysis of third party commissioned benthic survey video footage are included. The dataset contains surveys which contributed to the Marine Nature Conservation Review (MNCR) programme, EU funded BioMar Life project, SNH Site Condition Monitoring including broad scale surveys in support of the Natura process, surveys to establish the impact of specific activities on marine habitats and species and surveys to support the Scottish Marine Protected Areas project.
The records in this dataset relate to the Scottish Marine Area, but have a pre-dominant near shore focus in their distribution.
The majority of records have been subjected to quality assurance procedures which includes an independent oversight of a sub-set of records from each survey and specialist taxonomic input. In addition some of the data has been subject to NMBAQC protocols. Additionally, SNH project managersa^?? have an oversight on the survey deliverables. Overall confidence in the dataset is high although it is conceivable that errors exist in this dataset. SNH view mobilisation of these records to the NBN Gateway as a further mechanism for assuring data quality. If users of the Gateway identify potential errors in the dataset then these should be flagged with SNH who will consider all feedback.
Records in the dataset were collected as a result of commissioned surveys which used a range of methodologies often closely aligned with those of the Marine Nature Conservation Review (MNCR) as described in the MNCR Rational and Methods report (Hiscock 1996). Surveys were typically undertaken using one or more of the following techniques, remotely operated video (ROV), drop-down or towed video, grab sampling, core sampling, clump sampling, diver video, MNCR phase 2 diver recording, and intertidal transects and quadrats. Most commonly semi-quantitative recording techniques have been applied using the SACFOR abundance scale, but species presence, and count data have also been used. Typically, although not presented in this dataset many of the surveys would also have described the variety of habitats present (detailing substrata, depths, wave exposures, current regimes, salinity and so on). Verification and validation of records has typically focussed on a quality assurance protocol for taxon determination and data entry.
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Metadata last updated on 2017-06-16 14:41:56.0