Their decline can also serve as an early warning that
a species is in trouble or an ecosystem is threatened.
Virtually everyone agrees that successful recovery programs must be grounded in an understanding of why
a species is in trouble in the first place.
The chief problem is that some B.C. sockeye
species are in trouble.
These algae thrive only when other
species are in trouble.
The reality is that some toad
species are in trouble, as well, but nowhere near as ubiquitously as frogs.
Not exact matches
Even though honeybees
are not the intended targets of neonicotinoids, any indication that the resilient insect
is suffering from the chemical means less - adaptable
species might
be in trouble, too.
«While most new records do relate to the spread of
species we already knew
were aliens, the fact that one
in four relates to a completely new alien
species is both surprising and
troubling.»
Deep - diving
species, such as sperm and beaked whales often get into
trouble if they stray off - course and find themselves
in waters where there
is little food for them.
Most mammals tend to
be troubled by diseases
in the spring, summer and fall, when they
are active and spending time with other members of their
species.
The nonprofit International Union for the Conservation of Nature (IUCN), which maintains a worldwide «Red List» of at - risk wildlife
species, considers 36 of the world's 40 different dolphin
species to
be in trouble.
«Overfishing
is a problem throughout the world and across all
species, including slow - growing fish like sharks, many of which
are in serious
trouble,» said Pinsky.
Also, although forest birds
are in trouble in general, the situation for
species such as the golden - winged warbler and the oak titmouse
is improving thanks to public - private partnerships setting aside forests.
Whatever their total numbers
are, leopards
are in serious
trouble, like tigers, cheetahs and other big cat
species.
Sax, who studies amphibian responses to climate change, says, «There
are a lot of
species you wouldn't normally
be concerned about that might
be in trouble in the future» because a barrier stands between their current habitat and one they might need to occupy
in coming decades.
Other experiments suggest other
species may also suffer:
In more acidic water, sea urchins have
trouble reproducing and
are more likely to develop illnesses; squids and crabs have
trouble breathing.
More than likely, it
's another
troubling sign: Large groups of bats
in the nation
's most popular national park appear to
be stricken with white - nose syndrome, a deadly fungus that
's wiping out a variety of bat
species up and down the East Coast, a possible extinction event, some biologists say.
If we want to think back to the caveman days, we'd have
been in serious
trouble as a
species if we had to eat every three hours.
What
's on your list of reasons we have
trouble with climate and other issues related to our
species» ongoing spike
in numbers and appetite?
Almost a third of bird
species in Oregon
are in serious
trouble, Mr. Sallinger says, but «even if we solve the cat problem tomorrow, it
's not going to stop bird populations from declining.
Individual
species in trouble were said to
be early warning signals, like canaries
in coalmines, or small but essential, like rivets
in airplanes — the works and windings of natural systems, which no sane tinkerer would cast aside.
If the birds
are unable to quickly adapt to a new summer range, they will
be in serious
trouble as a
species.
But if this study showing the majority of
species studied
are affected
is the best Nova can come up with, I think the anti-AGWers
are in deep
trouble.
The bottom line
is that the attempt to list the polar bear under the Endangered
Species Act
is not based on any evidence that the polar bear populations
are declining or
in trouble.
By 2080, the climate model projects, dozens of avian
species across the country could
be hurtling toward extinction — and not just birds that
are already
in trouble.
Many of the primate
species are not household names, and sadly that fact tends to make the prospect of their extinction less
troubling to some — while
being an equally devastating loss
in terms of biodiversity.
It
is based on an observable scientific fact — that the Earth's carrying capacity
is limited, and that unless humans learn to live within that carrying capacity, our
species is in for big
trouble.
Adding to the mysterious and
troubling situation, investigators
are reporting that the owner of the wildlife farm has
been found dead on the property, and the animal enclosures appear to have
been left open.According to early reports from the Associated Press, the dozens of exotic animals originate from the 40 - acre Muskingum County Animal Farm
in Zanesville, Ohio, and that among them
are several
species which could pose a serious threat to the surrounding community.