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Species distribution

38 record(s)

 

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From 1 - 10 / 38
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    The Standing Waters Sample Points dataset is a GIS dataset of survey sample locations used during the course of the Scottish Loch Survey Project. The statutory nature conservation agencies in Scotland, England and Wales have a long history of carrying out routine aquatic plant (macrophyte) surveys of lakes. This involves identifying and estimating the abundance of emergent, submerged, floating leaved, and free-floating macrophytes that grow in or near the water. The results of these surveys are held in the Standing Waters Database which is available to view on the SNH website. (http://gateway.snh.gov.uk/pls/apex_cagdb2/f?p=111:1000:1289803086875801).

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    This service contains layers with data about various species distribution and habitat mapping surveys and modelling products.

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    The requirement to display sensitive areas relating to the life history of commercially important fish species in British waters is well recognized. Sensitive areas have previously been described as spawning and nursery grounds. Here we consider only areas where there is evidence of aggregations of 0 group fish and/or larvae of key commercial species. 0 group fish are defined as fish in the first year of their lives. These fish sensitivity maps were originally generated to provide a spatial and temporal description of where physical damage could potentially occur to fish species at sensitive stages in essential habitats of their life cycle. Sources of damage in this context referred to seismic surveying conducted by the offshore Oil and Gas industry during their site investigations. In addition to the acoustic energy that the seismic survey activities generate, we should now add other percussive impact noises from pile driving seabed foundation pins into the seabed, such as those required for offshore renewable energy sites. The spatial location of these fish life history events and their potential interaction with offshore industries can heavily influence the planning, costs and delivery of these offshore developments. It is imperative that these maps reflect the current extent of these areas.

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    Layers relate to: the components of Priority Marine Features (PMF), MPA Search features (Black guillemot or Large-scale features of functional significance used to underpin the selection of Nature Conservation Marine Protected Areas (NC MPA)). Our knowledge about the marine environment, and about which locations should be recommended as MPAs, comes from a range of sources: from targeted surveys led by SNH, JNCC and Marine Scotland focussed on marine habitats and species relevant to Priority marine Features (PMF), survey work conducted by industry, volunteers recording information while enjoying the marine environment for recreation. Information varies from recent to much older. There are a number of different types of data which have been collected using a range of different methods. Data has been placed into a standardised structure to support its use. Depending on who collected them, and for which purpose, some data were in a format we could use immediately while other data needed to be processed before they were able to be used in the Scottish MPA project. The information has been collated in a computer database called GeMS (Geodatabase for Marine Habitats and Species adjacent to Scotland) and has underpinned much of the Scottish Marine Protected Areas process. These layers update and build upon mapping presented in Baxter et al., 2011. Scotland's Marine Atlas: Information for the national marine plan. Marine Scotland, Edinburgh. pp.191

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    Collation of habitat point records contributing to the Geodatabase of Marine features adjacent to Scotland (GeMS). Records are attributed as to their qualification as protected features of protected areas within the Scottish MPA network. Where appropriate typical record details will include: status as Scottish Priority Marine Features or Annex I Habitat, MNCR biotope, EUNIS habitat, date, date range, year, status, accuracy, determiner and details of where the records are sourced from and intellectual property ownership.

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    Location of surveys of severity of Invasive Species. Reporting on Hogweed, Knotweed and Balsam

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    ScotMap is a Marine Scotland project which provides spatial information on the fishing activity of Scottish registered commercial fishing vessels under 15 m in overall length. The data were collected during face-to-face interview with individual vessel owners and operators and relate to fishing activity for the period 2007 to 2011. The data are aggregated and analysed to provide information on the monetary value, relative importance (relative value) and the usage (number of fishing vessels and crew) of seas around Scotland.

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    Measuring fishing effort is important for assessing the environmental sustainability of fish stocks and the socioeconomic efficiency of fishing activity. Fishing effort describes the amount of fishing gear used on a fishing ground over a given unit of time. Effort in this case is defined as number of creels hauled per day per 4 km2. This survey interviewed 198 creel vessel skippers from four regions, two on the west and two on the east coast of Scotland. This analysis has been produced from these SAMPLED vessels only. This IS NOT a census and IS NOT a map of all creeling effort in these waters or in the survey areas. This is an indication of potential fishing effort only and if creeling is not quantified in an area in this map, that DOES NOT mean creeling is not taking place. Equally quantified effort could be higher given some creeling vessels were not surveyed. Fishing effort outside of the surveyed area was not measured.

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    Grey seals (Halichoerus grypus) are present around the coast of Scotland in internationally import numbers. They breed on wave-exposed rocky coasts, sometimes on sand or shingle beaches at the foot of cliffs, often on relatively remote islands, with large groups of pregnant females returning to traditional breeding sites in the autumn. This data shows the breeding colonies currently listed with the Sea Mammal Research Unit (SMRU).

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    Fisheries which returned coastal fixed engine or net and coble catches of salmon or sea trout to Marine Scotland Science from 2011 onwards. Fishery locations are repeated for each year that the fishery was active, i.e. reported catch data. More information on the Scottish Government salmon and sea trout fishery statistics is provided at http://www.gov.scot/Topics/marine/Publications/stats/SalmonSeaTroutCatches