In the absence of their normal predators, the cacti spread more than approximately 25 million ha in New South Wales and Queensland. About half of the area was so densely covered with the cactus that the land could not be used for farming or ranching, and the costs of poisoning or removing...
Population projections for the Australian state of New South Wales are presented up to the year 2001 and implications are drawn with regard to the provision of educational facilities teachers and hospital services including services for the elderly. The important effect of future immigration trends on...
During the 1960s and 1970s, the maternal age-specific twinning rates were declining in England and Wales and many other countries. However, around 1980 thi... WH James - 《Human Reproduction》 被引量: 169发表: 1995年 Human sex ratio as it relates to caloric availability. The relationship ...
The same result was found using data from a behavioural survey of men and women in England and Wales (Anderson, 1991). Once again, means and variances were calculated for samples stratified by age, sex and period of recall (1 month to lifetime). There is, however, considerable debate on...
(1977) An interpretation of the frequencies of host specific phenotypes of Phytophthora infestans in North Wales. Annals of Applied Biology, 86, 249–260. Article Google Scholar Shattock, R.C., Tooley, P.W. and Fry, W.E. (1986a) Genetics of Phytophthora infestans: Characterization of ...
'All These Babies Are Our Future Population in Wales - These Are the Start of Everyone,including Our Leaders' More Than 3,500 Premature and Sick Babies Are Born Each Year in Wales Needing Specialist Hospital Care but Neonatal Services Are Over-Stretched and Under-Staffed. Health Editor ...
At the beginning of 2020, the world’s Jewish population was estimated at 14,787,200—an increase of 92,400 (0.63%) over the 2019 revised estimate of 14,694,800. The world’s total population increased by 0.92% in 2019. The rate of increase of world Jewry hence amounted to two thirds...
Presidential Lecture (3 Nov 2008) at the Presidential Palace, Jakarta, Indonesia. On the Prince of Wales website. Science quotes on: | Air (366) | Billion (104) | Body (557) | Deforestation (50) | Earth (1076) | Essential (210) | Fact (1257) | Food (213) | Forest (161) | ...
Formerly widespread over much of England and Wales, the Marsh Fritillary has declined throughout its range - most noticeably in the highly- cultivated areas of central and eastern England. It is now considered that the butterfly is almost extinct in the eastern half of Britain and is only ...
Port Phillip Baywas discovered by Europeans in 1802, when LieutenantJohn Murray and CaptainMatthew Flindersvisited the bay within a few months of each other. This area was then part of the colony ofNew South Wales, and the colony’s governor,Philip Gidley King, instructed the surveyor-general,...