Sentences with phrase «total breeding population»

As previous population estimates did not take account of 16 of the 46 colonies (see Figure 3), and many previous counts were of poor quality and widely separated in time [11], [12], [23] these historical estimates can not be considered representative of the total breeding population of emperor penguins (previous counts are given for comparison in Table 1).

Not exact matches

Since 1982, when only 22 condors remained in the wild, a captive breeding program has brought the total population up to more than 400 birds.

This is about a quarter of the rate of sterilization of all other dog breeds combined, and is fairly obviously the leading reason why the numbers of pit bull born each year and the numbers surrendered to shelters or impounded are approximately equal, amounting to about a third of the total pit bull population.

Registered and unregistered purebred dogs were 33 % and 18 % (total = 51 %) of the dog population, respectively; the remainder (49 %) of dogs was either mixed or unknown breeds.

As frigatebirds normally breed every other year, the total adult population was estimated to lie between 1800 and 3600 pairs.

«In the 1980s, the total Emperor Penguin population was estimated to be around 270,000 to 350,000 breeding adults (Marchant and Higgins 1990, del Hoyo et al. 1992).

IUCN's most recent estimates put the total existing population at 4,000 - 7,000 breeding pairs (12,000 - 21,000 individuals).

In fact, warm incubation temperatures may have a short - term conservation benefit on the turtles, increasing the number of breeding females and hence the total size of the population

The pit bull breed was responsible for 74 % of those deaths, although this particular breed makes up only 6.5 % of the total dog population in America.

While there is an unlimited possibility to the total population of Cryptokitties that the world is able to create through breeding, there is a limited number that are created by the smart contract itself.