The western terrestrial garter snake ( Thamnophis elegans ) in California is largely aquatic and depends heavily on two species of frog that are diminishing in numbers, the Yosemite toad ( Bufo canorus ) and the mountain yellow-legged frog ( Rana muscosa ), putting the snake's future at risk.

In terms of numbers of species, Asteraceae is rivaled only by Orchidaceae.

Currently, Amaranthus includes three recognized subgenera and 70 species, although species numbers are questionable due to hybridization and species concepts.

Even species with lower population numbers now ( such as Siberian or Whooping Cranes ) are found over a considerable range in their migratory movements.

As the largest and most spectacular forest antelope, the western / lowland bongo is both an important flagship species for protected areas such as national parks, and a major trophy species which has been taken in increasing numbers in Central Africa by sport hunters during the 1990s.

This index can be effectively used to determine the number of herbivore and mammal species numbers within a given area.

Capybaras are on the IUCN list, but are not considered a threatened species ; their population is stable through most of their South American range, though in some areas, hunting has reduced their numbers.

One of the first proposed estimates of the total number of beetle species on the planet is based on field data rather than on catalog numbers.

The difference in numbers is because young trees are not distinct in appearance and may easily be confused with similar species.

As many of these detrimental effects have done irreversible damage to hellbender populations, it is important to conserve the remaining intact populations through protecting habitats and — perhaps in places where the species was once endemic and has been extirpated — by augmenting numbers through reintroduction.

The jaguar is a near threatened species and its numbers are declining.

Hilbert's example: " the assertion that either there are only finitely many prime numbers or there are infinitely many " ( quoted in Davis 2000: 97 ); and Brouwer's: " Every mathematical species is either finite or infinite.

These sand bars are often associated with large wetlands, which support large numbers of plant and animal species, as well as providing important rest areas for migratory birds.

Lemur species in the Eulemur are known to interbreed, despite having dramatically different chromosome numbers.

These stellar conditions make the successive neutron captures very fast, involving very neutron-rich species which then beta-decay to heavier elements, especially at the so-called waiting points that correspond to more stable nuclides with closed neutron shells ( magic numbers ).

Selecting which of the two families is larger remains elusive because of the difficulties associated with putting hard species numbers on such enormous groups.

In humans, the monoploid number ( x ) equals the haploid number ( n ), x = n = 23, but, in some species ( especially plants ), these numbers differ.

Others argue that the species had not been common in the Pre-Columbian period, but their numbers grew when devastation of the American Indian population by European diseases led to reduced competition for food.

This was a highly gregarious species the flock could initiate courtship and reproduction only when they were gathered in large numbers ; it was realized only too late that smaller groups of Passenger Pigeons could not breed successfully, and the surviving numbers proved too few to re-establish the species.

Dedekind, whom Cantor befriended in 1872, cited this paper later that year, in the paper where he first set out his celebrated definition of real numbers by Dedekind cuts.

The original designers, and some contemporary players, have cited a " feeling of power " when rolling large numbers of dice and counting off huge amounts of damage.

Since ice cream can contain as much as half air by volume, these numbers may be reduced by as much as half if cited by volume.

Sales figures as high as 35 to 40 million have been cited in various reference books and by media, as have lower numbers in the 15 – 22 million range, whilst a " more than 30 million copies " figure was quoted by Star, as early as 1983, on back cover page of Swenson's book.

Some of the incorrect measurements which are commonly cited include numbers of routers, route miles of fiber optic cable, or number of customers using a particular network.

One of the factors cited is the increase in the numbers of immigrants from other countries, who tend to favour using Spanish over local languages ; accordingly, the number of residents who claim no understanding of Valencian sharply increased.

Nevertheless, the age of the Nectaris basin is somewhat contentious, with the most frequently cited numbers being 3. 92 Ga, and less frequently 3. 85 Ga.

The producers cited their confidence in the strength of Joss Whedon's fan base and high DVR numbers as their reasons for keeping the show.

Yet another hypothesis for reconciling the numbers cited by Livy for combined strength of the two consular armies and the actual number of participants in the battle of the Trebia would be that Sempronius detached part of his allied contingents for garrison duty on Sicily and for naval service with Marcus Aemilius and Sextus Pomponius.

Attendance figures for Witness events include " Jehovah's Witnesses and associates "; such statistics may be cited for comparison of Witness numbers with membership figures of other religions, but only those sharing in their ministry are counted by Jehovah's Witnesses when reporting their official statistics.

Low subscriber numbers were cited as reasons, as was lack of support from some vendors.

Low subscriber numbers were cited as the main reason.

The most frequently cited flaw of Integer BASIC was, as one might expect from the name, that its variables were all 16-bit integers and it was very difficult to write a program that could do calculations using floating point numbers, or even integers outside of the range-32768 to + 32767.

Fears of liability concerns and the bad publicity possibilities in giving the public a car that dangerously powerful are often cited as reasons, but it might simply have been that Ford doubted that an engine so unsuited to street use could sell in such numbers.

Some of the numbers cited for sizes of armies may also appear exaggerated, though not all of the manuscripts of this book agree.

Over 1, 000 people were wounded, and at least 40 killed ( other numbers often cited are 39 and 44 though the exact death toll remains unknown ), 3, 000 arrested, by modern accounts.

The Oregon Daily Emerald cited University of Oregon political science professor Joel Bloom as mentioning three factors in identifying a swing state: " examining statewide opinion polls, political party registration numbers and the results of previous elections.

Estimates of the film's total revenues have varied widely: numbers as high as $ 600 million have been cited, which would make Deep Throat one of the highest grossing films of all time.

Although in the post-war period earlier German sources often cited the number of evacuated and expelled Germans at 16 million and the death toll at between 1. 7 and 2. 5 million, today, the numbers are considered by some historians to be exaggerated and more likely in the range between 400, 000 to 600, 000.

There were numerous reasons cited for the publication shutdown, including a downfall in ad pages, competition from both other teen-oriented magazines and the internet along with a decrease in circulation numbers.

There are considerable differences in the numbers cited in various published documents and statistics.

( Note that the catalogue numbers in Painter 1977, cited in the descriptions below, correspond with the sequence of Museum registration numbers, 1946. 10-1. 1 – 34, established in the original curatorial listing of the objects ).

The numbers cited range from seven to twelve certified teachers.