ecosystem fragility Quotes

Why is it that scuba divers and surfers are some of the strongest advocates of ocean conservation? Because they've spent time in and around the ocean, and they've personally seen the beauty, the fragility, and even the degradation of our planet's blue heart.

We should take a lesson from the Irish potato famine: monocultures are vulnerable. Monocultures of any kind are very vulnerable, because one change and you're cooked. So we should be diversifying, wouldn't you say?

The great ecosystems are like complex tapestries - a million complicated threads, interwoven, make up the whole picture. Nature can cope with small rents in the fabric; it can even, after a time, cope with major disasters like floods, fires, and earthquakes. What nature cannot cope with is the steady undermining of its fabric by the activities of man.

Let me end with an explanation of why I believe the move into space to be a human imperative. It seems to me obvious in too many ways to need listing that we cannot much longer depend upon our planet's relatively fragile ecosystem to handle the realities of the human tomorrow. Unless we turn human growth and energy toward the challenges and promises of space, our only other choice may be the awful risk, currently demonstrable, of stumbling into a cycle of fratricide and regression which could end all chances of our evolving further or of even surviving.

If enough species are extinguished, will the ecosystems collapse, and will the extinction of most other species follow soon afterward? The only answer anyone can give is: possibly. By the time we find out, however, it might be too late. One planet, one experiment.

I think that this misses out on some of the interesting narrative realities, which is that it actually doesn't work very well, that eliminating diversity is actually a really good way to make a species and its individuals less robust.

People think that the ocean is big enough to sustain anything we throw at it - its hard to get into your head that it's actually finite.

The thing the ecologically illiterate don't realize about an ecosystem is that it's a system. A system! A system maintains a certain fluid stability that can be destroyed by a misstep in just one niche.

Wilderness is a resource which can shrink but not grow.

This Dewdrop World is a beautiful, courageous, intimate film about love and loss. It may also be the deepest meditation on climate change that I've ever seen.

think we're still stuck in that agricultural mindset, where we imagine that we can shape the Earth. Sure, we can do that. But the Earth has the power to shape us much more powerfully. To survive climate change, we'll have to realize how dependent we are on our ecosystems for our own survival.

Our planet is falling victim to a rigorism, so that what is done in any remote corner affects - nay, menaces - the whole. Resiliency and tolerance are lost.