ART Mind Map
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high seas fisheries
in river angling
catch and release
equipment type
temperature infleunces
handling practices
catch and retain
ability to reproduce
mixed stock fisheries
nets
survival
angling
by catch
sea-trout fisheries

by-catch in pelagic fisheries
predation at sea
parasite burdens
food availability
abundance of prey species
overfishing of prey species
competition
e.g. herring or mackerel
climate change effects

sea-lice
disease
escapes
genetic integrity
pollution
pollution
damage to benthic habitat
feed sources

temperature, dissolved oxygen
light levels too high/low
discharges
pollution
acidification of surface water
acid rain
forestry practices
nutrient enrichment
land runoff (e.g. silage, slurry)
wastewater treatment discharges
sedimentation
Land runoff
erosion
overgrazing

low flows
dams/reservoirs
transport infrastructure
hydo-electricity generation

Freshwater
Changes in water quality e.g., temperature
changes in flow patterns
Marine
increase in water temperature
changes to ocean circulation
changes to prey species
lower nutritional value
availabilty
changes to wind strength

physical deterioratation of and/or loss of spawning grounds and nursery habitat
degraded in channel habitats

historic hill drainage schemes
climate fluctuations
abstraction
e.g. hydro-electricity generation

Predation
Marine Mammals
seal
otter
dolphin
harbour porpoise
Piscivorous Birds
Piscivorous Fish
invasive non native species
invasive fish specis
increased competition
increased predation
other invasive species
e.g. North American signal crayfish
e.g. American mink
invasive plant species
potential future effects of beaver introduction
Risk of disease/parasites
including Gyrodactylus salaris

wave devices
tidal devices

Introduction of non native salmon stocks
effects of fitness of wild salmon