Overfishing, pollution, climate change and
destruction of habitats like coral reefs are all putting our seas in trouble but academics fear the risk is not being taken as seriously as concerns for the loss of animals and plants which live on land.
Not exact matches
Researchers point to things
like the
destruction of wild
habitats, hunting and other increased challenges as the cause
of the extinction.
The authors suggest that human activity may even be driving a similar Lilliput -
like pattern in the modern world, as more and more large animals go extinct because
of hunting,
habitat destruction, and climate change.
«The main reasons for its decline are the
destruction of its original
habitat (rhenosterveld) and invasives
like Port Jackson (Acacia saligna).
We were very proud
of that, but then what people are forgetting is that [coping with
habitat destruction in a region
like this] is a very long - term process.
Elizabeth Griffin Wilson, a marine scientist with the international conservation group Oceana, points out that the new paper does not specifically investigate the effects
of factors
like fishing bycatch or
habitat destruction, so she urges caution in comparing the human and natural toll on sea turtles.
Slowing deforestation yields direct benefits
like slowing soil erosion, the
destruction of natural
habitats, and loss
of biodiversity.
And here are just a few other «side effects»
of mining on public lands in the West: cyanide spills; wildlife
habitat destruction and fish kills caused by poisoned waters; and water pollution caused by acid mine drainage, which leaches potentially toxic heavy metals
like lead, copper, and zinc from rocks.
With over 100 victories that stop overfishing,
habitat destruction, pollution and killing
of threatened species
like turtles and sharks, Oceana's campaigns are delivering results.
Partly this is because it's hard to beat the blunt biodiversity effects
of direct
habitat destruction (
like deforestation) and partly that is because climate warming is often a slow process, for instance in the deep oceans, where its ecological effects are «outpaced» by the rapidly escalating plastic pollution — admittedly an impossible comparison.