biogeography
জৈব-ভূগোল
definition
noun
Alexander von Humboldt of course made lasting contributions to the fields of physical geography and biogeography , adding to our knowledge of plants, animals, and the earth.
the branch of biology that deals with the geographical distribution of plants and animals.
example
She then moved to the American Museum of Natural History in New York for postdoctoral work on the systematics, 'biogeography' , and conservation of Caribbean birds.
Historical 'biogeography' deals with phylogenetic patterns among species and higher lineages attributable to relatively ancient events in earth history.
The foregoing is not to say that Newton does not appreciate the fact that a phylogenetic hypothesis can be important in 'biogeography' .
The main subdisciplines represented in conservation biology are population genetics, population biology, landscape ecology and 'biogeography' .
Platnick and Nelson, who introduced the concepts of cladistic 'biogeography' , required that all taxa used must occur in three or more similar areas.
By using trilobite examples they push cladistic 'biogeography' beyond the typical scope because the focus is a marine taxon whose evolutionary history predates the fragmentation of Pangea.
Darwin's third line of evidence came from 'biogeography' , the study of the geographic distribution of plants and animals.
Uncertainties in history, archeology, 'biogeography' , anthropology and biosystematics obscure the dates and places of the first domestication of cultivated crops.
In addition to this one method, we have DNA testing, comparative anatomy, 'biogeography' , embryology, and comparisons between molecular structures.
Nothofagus, the southern beech, is a classic example of plant 'biogeography' .
Chapter 3 focuses on evolution, systematics, and 'biogeography' .
One of his previous books on natural history, The Song of the Dodo, dealt with island 'biogeography' and endangered species.
So long as its shortcomings are recognized, this book has a wealth of information on the distribution and ecological 'biogeography' of birds.
This result is inconsistent with the assumption of the equilibrium theory of island 'biogeography' that animal density is independent of island area.
Alexander von Humboldt of course made lasting contributions to the fields of physical geography and 'biogeography' , adding to our knowledge of plants, animals, and the earth.
The lasting contribution of the book is in its summary of avian distributions and natural history, not in the phylogenetic interpretation of speciation and 'biogeography' .
We would like to thank Michael L. May for many helpful discussions of damselfly biology and 'biogeography' .
No observations from the fossil record or genomics or 'biogeography' or comparative anatomy that undermine standard evolutionary thinking.
Nicotiana is one of the most comprehensively studied flowering plant genera with numerous studies having accumulated a large body of information concerning evolution, cytology, taxonomy and 'biogeography' .
Despite its very promising beginnings, we agree with the assessment of Nelson and Ladiges that cladistic 'biogeography' has yielded few genuinely new insights over the last twenty years.
Most cladistic 'biogeographers' have not been so explicit but have nevertheless implicitly assumed that correspondence to a general pattern implies that individual lineages existed at the same time.
‘The changes [in ocean acidity] aren't huge,’ said John Guinotte, a marine 'biogeographer' at the Marine Conservation Biology Institute in Bellevue, Washington.
Finally, we propose a 'biogeographical' hypothesis of speciation events within the N. mediocris species complex.
Clearly, raising each unique sequence type to the level of a strain is not biologically informative as each ‘strain’ will map to a terminal branch in a phylogeny and little can be inferred 'biogeographically' or evolutionarily.
Through most of the Neogene, tropical America has been 'biogeographically' divided into two surprisingly distinct provinces.
The 'biogeographical' affinities of the fauna are thus not clear.
The objective is to bring ecologists, paleontologists, geneticists, 'biogeographers' , and others together to think ambitiously and work on evolutionary problems on a broad scale.
However, robust inferences can be made from a combination of molecular genetic, 'biogeographical' and palaeontological studies.
This ancestral 'biogeographic' distribution encompassed a much broader range, comprising Siberia and southern Europe-northern Africa.
There are a variety of phylogenetic 'biogeographic' methods.
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