Sentences with phrase «decline of animal populations»

Not exact matches

The most passionate argument in the book, in a chapter on declining Jewish population, pleads that, after the Holocaust, Jews are an endangered species, deserving protection and enhancement for the sake of diversity, like the bald eagle: «You have friends who work to rescue endangered animal and plant species, so you know why this matters.»
On Thursday, the museum — which bills itself as the oldest in Chicago — will turn out some of its rarer animal specimens, including a small rodent called a southern rock vole and two specimens of prairie chicken, a species whose population has rapidly declined due to habitat destruction.
For the fourth time, Shedd Aquarium, a leader in animal care and conservation, has teamed up with the South African Foundation for the Conservation of Costal Birds, SANCCOB, a non-profit that works to reverse the decline of seabird populations through the rescue, rehabilitation and release of ill, injured, abandoned and oiled seabirds.
By looking at fruit flies, rather than social animals, the researchers believe that they have gained a greater understanding of the role that fear may play in the decline and extinctions of various populations.
Meanwhile, populations of certain species of Antarctic penguins such as the Adélie are dwindling, and Antarctic krill — the tiny crustaceans that feed whales and many other animals — are also on the decline.
The results have implications both for researchers trying to understand the rapid decline in frog populations across the globe and for conservationists looking to save the animals, said Vance Vredenburg, associate professor of biology at San Francisco State University and co-author of the study.
«The goals of the study were to help re-establish populations of this threatened and declining species, and to understand better what critical resources on the landscape are associated with the ability of young tortoises to survive and thrive,» said Ron Swaisgood, Ph.D., director of Applied Animal Ecology at San Diego Zoo Global.
As populations of sea lions and seals in northern habitats continue to decline, satellites are providing scientists with a better understanding of the animals» feeding patterns.
Hammerhead sharks, which have recently received new protections from the UN Convention on the Conservation of Migratory Species of Wild Animals, are experiencing drastic population declines in excess of 90 % in several parts of world.
«Reindeer populations are declining all over the world, in some places catastrophically; in Taimyr, there has been an about 40 percent drop since 2000 and the herd is now at 600,000 animals,» said Andrey Petrov, an associate professor at the University of Northern Iowa, in Cedar Falls.
Then they applied a set of mathematical models to estimate the movement of nutrients vertically in the oceans and across the land — and how this movement changed with extinctions and declining animal populations.
Besides possibly leading to a substantial decline in scavengers that may depend on puma leftovers, one of the largest effects of losing pumas would likely be boom - and - bust population cycles in prey animals such as deer.
Today only 1,300 - 1,400 of the animals exist in the wild, and their populations have declined about four percent annually in recent years.
Coastal horned lizard populations have declined so much in southern California that the state's Department of Fish and Game considers the animal «a species of special concern.»
Crossing the interstate, especially for the animals of breeding age, is important for this population's declining genetic diversity — and long - term health and survival.
Such growth could help explain why these animals have persisted, the scientists suggest, because many of the factors thought to be responsible for the decline of frog populations are particularly dangerous to water - based young.
Analysis of the tarsier genome also showed that these fascinating animals are displaying signs of population decline.
There are many factors involved in this seeming decline in health — increases in population, crowding, living in close proximity with animals and the resultant transmission of diseases, but certainly the change in diet was a major factor.
The steep decline in the number of animals being euthanized each year comes even as the pet population has boomed.
Any individual or organization that promotes TNR or other methods of dealing with feral cats while letting them remain outdoors is promoting the decline of native populations of birds and small animals and then the eventual EXTINCTION of same.
While the euthanasia of animals is on the decline across the county, the pit bull population continues to grow, leaving more and more of these animals to languish in our shelters or be euthanized without ever knowing the warmth of a home or the love of a family.
Effective animal population control programs exist: The number of pets received into county animal shelters and euthanized in CA each year has significantly declined over the past 20 years.
Except in 1911, the Animal Rescue League and ASPCA numbers presented by Forbush in a table appeared to reflect relatively stable cat populations, which might even have been in decline as the advent of the automobile reduced the numbers of stables ---- and rodent and cat habitat ---- in their respective cities.
Still, Merritt Clifton of Animal People, an independent newspaper dedicated to animal protection issues, makes a compelling argument that the population of feral cats in the U.S. is much smaller than is often reported, and may very well be on the deAnimal People, an independent newspaper dedicated to animal protection issues, makes a compelling argument that the population of feral cats in the U.S. is much smaller than is often reported, and may very well be on the deanimal protection issues, makes a compelling argument that the population of feral cats in the U.S. is much smaller than is often reported, and may very well be on the decline.
In fact, in those towns and cities that have implemented such programs, we've already seen the number of companion animals who had to be euthanized decline by 30 to 60 percent - even in those communities whose human populations have been steadily increasing.
He says overall, the number of birds and small animals being killed are high enough that cats and their hunting could be causing some wildlife populations to decline in some areas.
On the surface our finding that sterilization did not significantly change the spatial distribution of feral cats appears to support the argument that sterilization prevents immigration of new animals (i.e., the vacuum effect) and therefore may lead to population decline via attrition.
The gist of their findings was that cats were occupying habitat left by a declining population of street dogs, at the rate of about three cats moving in to replace each dog who could no longer make a living after refuse was mostly buried or burned, sewers were enclosed, and automobiles replaced animal - powered transport, resulting in an urban environment much less congenial to dogs.
From the jungles of Papua New Guinea to the slopes of the Andes, Kris has identified some 100 new mammal species and documented viable populations of animals previously thought to be in major decline or even extinct.
It would be cool to see a wide collection of maps covering many different issues, not just climate and food production, but, for instance, poverty and wealth, arms production and war, clothing production and leisure time, education levels, consumption, production, health, population growth and decline, movement of immigrants, human rights, animal populations, housing ownership, housing starts, anything basically which can be measured in a visual map... not just for the US but as global maps, collected on pages where you could drag them around to sit on top of each other and try and make sense of the various impacts...
Animal populations decline for all sorts of reasons, and in the case of polar bears, being hunted by people is certainly one cause for concern.
Indian vultures have suffered population declines of 97 - 99 %, with the annual rate of decline of 16 % in the first part of this century, all because of exposure to the drug diclofenac, given to farm animals to reduce joint pain and allow them to work longer.
WildEarth Guardians has released a report grading states and federal agencies on their support of the cute critters and what they're doing to help keep the populations from shrinking further.Taking into consideration factors like habitat preservation, plague monitoring and conservation plans, the report card showed most states sitting below a B, with only Arizona and the National Park Service actually scoring a B. With all species declining and nearing threatened and endangered status, and the Mexican prairie dog currently listed as endangered, protection of this important animal is important.
And overzealous collectors have caused the population to decline by over-collection of specimens for science as well as for the illegal wild animal trade.
Rhinos Nearing Extinction After 50 Years of Poaching Rhino poaching, often practiced to remove the animal's horn, has helped cause an extraordinary decline in populations throughout Africa and Asia — for example, there is thought to be about 130 Javan rhinos and only 300 Sumatran rhinos left in the wild.
Claims of declining numbers work because we're emotionally vulnerable to charges that we're negatively impacting animal populations.
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