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conservation values - Coggle Diagram
conservation values
marine conservation
importance of fisharies
over fishing
fish provides livelyhood for 200million people
feeds 3 billion people world wide
fish consumption ids growing exponentialy
90% of fish stocks are fully fished or over fished
slow growing long lived fish are the most at risk
new tech means we are going to new locations and fish different things that arent sustainable
trawling of the see bed destroys coral reefs and sea beds destroys ecosystems on a mass scale
it costs double as much as ut used too to feed the world with fish
by catch is when un disired animal is also caught in the net
fish farming
causes polution
not asgood quality as wild caught
escaped fish cause invasive species
you have to feed them other fish that you catch anyways
maximum sustainable yeald
the max you can fish before it becomes unsustainable and the fish die out
majour threats
climate change
over fishing
pollution
costal development
values
intrinsic - value a thing has just for being
e.g. cars have no intrinsic value since they are only valuble if they are able to be used.
a tree has intrinsic value since it is living
utalitarian - the value a thing has based on its usefullness
e.g. a tree is valuble because it provises oxigen and habbitats for other lifs
existance value - takind plesure from the fact something exists
difference between intrinsic and utilitarian values