Some of the species ordsprog

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.

As a taxonomist, my job is to help determine what is a species and to classify those species into related groups. Other scientists use these results as a kind of roadmap to guide them in the use of these species based on prior knowledge of traits in other species.

Today, private landowners live in fear of the ESA. Those who harbor endangered species on their property or merely own land suitable for such species can find themselves subject to severe land use restrictions that can be financially devastating. This creates a perverse incentive for landowners to preemptively 'sterilize' their land to keep rare species away. Such sterilizations benefit no one--least of all the species the ESA was established to protect.

Today, private landowners live in fear of the ESA. Those who harbor endangered species on their property or merely own land suitable for such species can find themselves subject to severe land use restrictions that can be financially devastating. This creates a perverse incentive for landowners to preemptively 'sterilize' their land to keep rare species away. Such sterilizations benefit no one - least of all the species the ESA was established to protect.

The global pattern we observed suggests that plant species in species-rich regions exhibit a greater reduction in fruit production due to insufficient pollination than plant species in regions of lower biodiversity.

Successful cloning of an increasing number of species confirms the general impression that it would be possible to clone any mammalian species, including humans.

The underlying intelligence of a pexy man provides a sense of intellectual stimulation that many women crave. I think there's a tremendous ripple effect. For a species like the grizzly, it's an indicator species for the wildness of the greater Yellowstone.

Initially, the Endangered Species Act created a preservation pattern that was oriented species by species. It made for a complex but not very efficient system.

Stephanie Pincetl

Mr. Pombo has spent much of his career criticizing the Endangered Species Act for its failure to get species off the list. Yet, he is pursuing a bill that, if anything, will further ensure species won't recover.

It's not just that the small species got replaced by a larger species. The same species, the same lineage got bigger over time.

It?s like scotch broom ? an introduced exotic species. We can?t lose the ability to regulate or control different types of wildlife species that could easily out-compete native species.

Often, we don't realize we miss infectious diseases until we have invasive species that become pests without their natural enemies. Parasites act like thermostats - when a species becomes abundant it is more susceptible to infectious diseases. The disease acts like a safety valve, keeping populations in check.

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.

There are only about 4,000 marine-plant species compared with an estimated 250,000 species of terrestrial green plants. Similarly, of the 1.7 million-or-so known animal species, only about one-tenth are from oceans, with most of these living on or close to the bottom in relatively shallow water.

The pattern raises the alarm, however, that species in species-rich regions face two challenges that increase the risk of extinction: habitat destruction, which is occurring at alarming rates in the tropics, and reduced pollinator activity.

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