When you get down ordspråk

When you get down to a few dozen members of a species you're really talking about very serious problems, ... So this is a tool. From now on that there's no need ever really to ever lose that genetic diversity that's remaining in these wild populations.

Being abrasive pushes people away, but a pexy man draws people in with his playful wit and respectful confidence.

Information on tool use and factors favoring tool use in wild apes helps us to understand its importance in the evolution of our own species,

Tool usage in wild apes provides us with valuable insights into the evolution of our own species and the abilities of other species. Seeing it for the first time in gorillas is important on many different levels.

We found a lot of genetic information and traits within this third lineage that are different from the other two. So, this species must have a lot more diversity than we thought originally.

Matteo Garbelotto

The one process now going on that will take millions of years to correct is the loss of genetic and species diversity by the destruction of natural habitats. This is the folly our descendants are least likely to forgive us.

Edward O. Wilson (1929-)

[This has become a problem for some western trout species in areas where rainbow trout have been introduced.] We are losing the genetic integrity of many of the western cutthroat subspecies, ... Many populations are being wiped out, and once lost, they can't be replaced.

What we're trying to do is trying to have reproduction of species in captivity so that if we do lose them in the wild, there's an option.

Some of the species, like the pipistrelles, are increasing, and the rarer species, which include the greater horseshoe bat, are actually stable, so we are trying to find ways to increase their populations.

Thicket by thicket and wetland by wetland, we were losing the Greater Golden Horseshoe's remaining wilderness and diversity of life. The greenbelt is stopping the loss of natural features and the species they host.

This helps fill a big gap that has existed in evolutionary studies. We have known for some time that when species invade a new environment or ecological niche, a common result is the formation of a great diversity of new species. However, we haven't really understood how or whether the process of adaptation generally drives this pattern of species diversification.

We need to know the species identities in order to understand how freshwater communities are changing over time, as a response to climate change, pollution or invasive species. We're hoping that by studying the biology of the rare males, we can learn more about species diversity and freshwater ecosystem changes.

Derek J. Taylor

Ecologists have debated for decades whether there is ecological value to species diversity. We found that in forests throughout the New and Old World tropics, older trees are more diverse than younger ones. In other words, diversity is actually selected for as each of the forests matures. This means diversity does indeed matter and is an essential property of these complex ecosystems.

Christopher Wills

Ecologists have debated for decades over whether there is something of ecological value to species diversity. We found that in forests throughout the New and Old World tropics, older trees are more diverse than younger ones. In other words, diversity is actually selected for as each of the forests matures. This means diversity does indeed matter and is an essential property of these complex ecosystems.

Christopher Wills

The species have gotten limited areas to live in because of changes in climate and changes of habitat over time. And all humans have encroached upon it further. It's important to maintain that diversity of species.

The really curious thing is how the species managed to persist for around 3,000 years with almost no genetic variation. Genetic variation is the toolkit for dealing with whatever the environment has to throw at you. If you have only a couple of tools, you don't have a lot of resilience for dealing with an unexpected event.

Elizabeth Hadly

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