fisheries information systems - james hunt, tweed foundation

Fisheries Information Systems : a local and national approach to

using GIS in Scotland

Changes over 17 years

The GIS ‘concept’

Data availability

One Scotland Mapping

Agreement

Software evolution

GIS competency

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

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

Tweed Foundation examplesHabitat improvement inventory

Stream bed area calculations

Other fish species

Goosander counts

How many road crossings ?How many road crossings ?

2560 road crossings

The importance of small burnsThe importance of small burns

Bridge ApronsBridge Aprons

All obstacles

245 km of tributaries and smaller watercourses

142 obstacles - 127 terminal. 15 potential problem at particular water height

Access for spawning 120 years ago

Lower Leader

Lower Gala

Kale, Jed and Oxnam

Ale Water

Lower Whiteadder

47% partially blocked + 31% totally blocked

The future?The future?