Among six extant tiger subspecies, the South China tiger (Panthera tigris amoyensis) once was widely distributed but is now the rarest one and extinct in the wild. All living South China tigers are descendants of only two male and four female wild-caught
population sizes of tigers with various rates and durations of poaching and found that as poaching continues over time, the probability of population extinction increased sigmoidally; a critical zone existed where a small incremental increase in poaching greatly increased the probability of extinction. ...
1、指全部人口，用单数。The world\'s population is increasing faster and faster.全世界的人口增长得越来越快。2、指部分人口用复数。如：What's the population of China.75% of the populations of China are peasants.词汇辨析：population是集合名词,有时可加不定冠词,有时可用复数形式。populat...
POPULATION STATUS OF TIGERS (PANTHERA TIGRIS) IN A PRIMARY RAINFOREST OF PENINSULAR MALAYSIA By KAE KAWANISHI A DISSERTATION PRESENTED TO THE GRADUATE SCHOOL OF THE UNIVERSITY OF FLORIDA IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE DEGREE OF DOCTOR OF PHILOSOPHY UNIVERSITY OF FLORIDA 2002 ...
New York is a big city with a population of over 10 million. 纽约是一个有一千 多万人口的大城市。 在表示多个地区的人口时,population 要用复数形式 populations。 例如: Many parts of the world, which once had large populations and produced plenty of crops, have become deserts. 世界上很多地区一...
-What is the population of Ca 5、nada? 加拿大的人口有多少? -The population of Canada is about 29 million. 加拿大的人口大约有二千九百万。 6、 population还表示某地、某类的动、植物或物品的总数。例如: In India, however, the population of tigers has increased, from 2,000 in 1972 to about ...
"We are not allowed to kill tigers since they are a rare animal, but our own safety is really in danger," he said. According to the forestry department of Jilin, injuries and economic losses due to wild animals have been on the rise. Last year, over 5,400 cases of injuries or loss...
The sex of adult worms was determined by examina- tion of the morphology of the notosetae in the 8th and 9th thoracic setigers. The maximum thoracic width of Capitella capitata was taken as the measure of body size since it is closely correlated with dry body weight (Tsutsumi & Kikuchi ...
East Asian countries are in an even worse situation, with fertility rates of 1.3 in Singapore, 1.2 in South Korea, 1.1 in Taiwan, and 1.0 in Hong Kong and Japan. Consequently, the average age has risen to 34 in China, 37 in Japan and 39 in Asian Tigers. In contrast, developing and ...
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