> hi, I am doing a school project and i have a few questions that i cant
> get answered.
1. Ho does the endangerment of whales affect or planet?
In the sense that whales are a major part of their ecosystem, and by
removing so many of them with whaling we changed the ecosystem quite
substantially. About two million whales were killed in the Southern
Hemisphere alone (and lots of others in the north) in just the 20th
century alone. That's a lot of predators taken out of a system, so the
system was changed by all that.
> 2. How does the endagermant affect our food chain?
That's a complicated question. By removing high predators in a food chain
(and whales are fairly high, depending on the kind of whale and what it
eats), then that means that all those things that whales used to eat
either become prey for other creatures or go uneaten. Either way the food
chain and all its rrelationships are affected. But it teerms of how it
affects US, that's less clear - and actually overfishing by humans has
affacted the marine food chain, and our part in it, much more than whales
ever did (despite what japanese whalers are trying to argue now, that
whales eat too much of "our" fish).
> 3. What can we do to stop the deaths of whales and other sea creatures?
One big problem today is with whales and other sea creatures dying from
entanglements in fishing gear. We can try to modify fishing gear so that
it allows fishermen to continue fishing but lowers the risk that whales
and other animals will get caught in it accidentally. As for what you can
do, supporting the organizations that are trying to save whales and marine
life is a good thing to do. And being aware of the problems, and telling
others about them.
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This archive was generated by hypermail 2b30 : Fri Oct 10 2003 - 09:10:56 EDT