populations造句

Freshwater fish populations are in precipitous decline.

We can find these problems wherever disadvantaged populations reside.

This means that elephant populations will need to be managed.

Evidence presented during the meeting further shows that disadvantaged populations, such as minority groups and indigenous populations, are disproportionately affected by severe disease.

Otherwise, health problems linked to poverty and disadvantaged populations will remain statistically hidden.

Medicinal plants are supplied through collection from wild populations and cultivation.

But their populations have been slow to recover, and the blue whale is still endangered.

A study from Canada says fish farms are a threat to some populations of wild salmon.

Experts warn burgeoning populations, climate change are accelerating desertification in region.

A gene implicated in spinal muscular atrophy showed an association in three populations, but not in yoruba from ibadan, Nigeria.

It covers 965 populations of 365 species, representing 35 percent of all known vertebrate species found in the Arctic.

"Sales of ivory declined in the 20th century as the populations of African elephants shrank, and worldwide concern about endangered elephant populations have led to Bans on the export and import of ivory."

Today’s fragile world, with its dwindling resources and expanding populations, is calling for other agendas in the West.

Dugongs are now legally protected throughout their range, but their populations are still in a tenuous state.

Because outside the wealthy world, this disease causes vast Numbers of preventable deaths and saps the strength of vast populations.

"It is one of our war aims, as expressed in the Atlantic Charter, that the conquered populations of today be again the masters of their destiny.

Emergencies - whether caused by conflict or natural disasters - are extraordinary events that can jeopardize the health and survival of large populations.

Grey wolves, brown bears and the massive European bison, which is bigger than the American bison, with tiny populations still surviving today in Eastern Europe.

Overpopulation: Many poor nations are extremely crowded, especially in urban areas, without the infrastructure required to feed, clothe and house these rapidly growing populations.

Symposium talks will cover a wide range of subjects from overfishing to physical and environmental factors that affect the populations of different species.

And that means that some of them might have to adopt positions that were more in accordance with their populations wishes, particularly if their hold on power was tenuous.

Like the proverbial canary in a coal mine, the nearly 10, 000 known bird species act as "environmental barometers" whose populations can appraise the greater well-being of their habitats.

Urumqi, Nanning, Kunming, Hohhot, Yinchuan, Xining, Guiyang and other capital cities of ethnic minority autonomous regions and provinces which have fairly large minority populations, were listed as inland open cities;

The only option that preserved salmon populations, at least for a few decades, was to reduce the diversions for hydropower generation at the warmest time of the year, they said.

But they provide no information for populations with different characteristics from the trial group, such as age, gender, state of health, co-treatment with other medicines and ethnic origin.