fisheries information systems - james hunt, tweed foundation
TRANSCRIPT
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Fisheries Information Systems : a local and national approach to
using GIS in Scotland
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Changes over 17 years
The GIS ‘concept’
Data availability
One Scotland Mapping
Agreement
Software evolution
GIS competency
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National perspective
Modelling capture probability of Atlantic salmon (Salmo salar) from a diverse national electrofishing dataset: Implications for the estimation of abundance
River Fish Classification tool : science work
SE web
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Electro -fishing Obstacle sites Habitat surveys Goosander counts Habitat improvement s ites Water quality sites Stocking sites Abstraction points Land ownership / fishing rights Pollution points Redd locations River engineering works Invasive species Radio tracking data
Collect Check Integrate Analyse Report
MAP ENVIRONMENT DATABASE
Spatial analysis : Area calculation
Intersection Buffer areas
Distance calculations
Images
Tables
Standardi sed reports
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Tweed Foundation examplesHabitat improvement inventory
Stream bed area calculations
Other fish species
Goosander counts
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How many road crossings ?How many road crossings ?
2560 road crossings
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The importance of small burnsThe importance of small burns
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Bridge ApronsBridge Aprons
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All obstacles
245 km of tributaries and smaller watercourses
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142 obstacles - 127 terminal. 15 potential problem at particular water height
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Access for spawning 120 years ago
Lower Leader
Lower Gala
Kale, Jed and Oxnam
Ale Water
Lower Whiteadder
47% partially blocked + 31% totally blocked
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The future?The future?