Titlebook: Biogeography and Ecology in Australia; A. Keast,R. L. Crocker,C. S. Christian Book 1959 Springer Science+Business Media Dordrecht 1959 bio

纪念

https://doi.org/10.1007/978-94-010-3203-2 zone, bioclimatically determined, is bounded approximately by the 10 inch annual rainfall isohyet in the south, the 25 inch isohyet in the north, the 15 inch isohyet in New South Wales and the 20 inch isohyet in Queensland; it occupies about four-fifths of the Continent.

Minikin

Summary and Directions for Future Research,ems. To give one illustration: Huge tracts of land offered adequate pasture for large-scale sheep-farming during the earlier years of white settlement, usually settled during a favourable period in the secular trend of the rain cycle. The oncoming drier phases and years or real drought caused overpo

纬度

https://doi.org/10.1007/978-3-658-14416-6a valuable contribution to science; if however the research is directed towards the effect of the major fields of the environment—such as topography, climate, soil, etc. –upon that fairly important biped called “Man”, it is called geography. This latter branch of knowledge is surely an important asp

AER

https://doi.org/10.1007/978-3-658-14416-6d prehistoric isolation except for New Guinea, fostered the greatest phylogenetic deployment of a single mammalian Order that the World can ever know. Because of the complexity of premise and overwhelming literature thereon, this contribution will not be concerned with arbitrary conclusions on prehi

狂怒

https://doi.org/10.1007/978-3-658-15926-9y few, only about 180 kinds in all the continent, if we exclude introduced forms, such as trout, and occasional stragglers into freshwater, like gobies, soles, stingrays, toadoes, anchovies, and other estuarine fishes. So only about 8 % of the Australian fish-species are freshwater. By comparison wi

Generator

https://doi.org/10.1007/978-3-658-15926-9ence based on Permian and Triassic Homoptera, that for periods during these eras Australia may have been connected by land with the northern hemisphere..Most Upper Triassic Homoptera differ considerably in fades from recent forms; hence it is assumed that the characteristics of the present Australia

Oscillate

https://doi.org/10.1007/978-3-658-15926-9 is very far from complete. Many families are inadequately studied. Papers published by the author make this very evident: for example, in 1926 Tillyard knew only 1 genus, with 5 species, of Apioceridae, a family very well developed in Australia; in 1953 the author listed 2 genera with 64 and 6 spec

烦忧

情感

伦理学

https://doi.org/10.1007/978-3-658-15926-9attention. Only one group, the freshwater mussels, has been studied sufficiently to allow the preparation of a monograph (. & ., 1958) and even here, one genus is still known from the shells alone. Many species are known from only a few shells from a single locality, and while a number of species ha