Taxonomic diversity of the terrestrial bird and mammal fauna in temperate and boreal biomes of the northern hemisphere

Using comprehensive range information of northern Hemisphere birds and mammals, we assessed the taxonomic diversity of these two groups in four different regions: Europe, east Asia, and western and eastern North America. East Asia is the richest region in the number of bird and mammal species, gener...

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Bibliographic Details
Published in:	Journal of biogeography Vol. 24; no. 5; pp. 603 - 612
Main Authors:	Mönkkönen, Mikko, Viro, Pirkko
Format:	Journal Article
Language:	English
Published:	Oxford, UK Blackwell Publishing Ltd 01-09-1997 Blackwell Science Blackwell
Subjects:	Animal and plant ecology Animal, plant and microbial ecology Biodiversity Biological and medical sciences Biological taxonomies Birds Boreal forests endemic taxa faunal evolution forest fauna Fundamental and applied biological sciences. Psychology Genera General aspects Mammals Nearctic Palearctic Species diversity Synecology Taxa Temperate regions Trees Vertebrates Vertebrates: general zoology, morphology, phylogeny, systematics, cytogenetics, geographical distribution Zoogeography: From Islands to Continental Regions Northern Hemisphere Endemic species Fauna Biological evolution Biogeography Auroral zone Biodiversity Case history Temperate zone Nearctic Region Species diversity Palearctic Region Vertebrata Mammalia Aves
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Summary:	Using comprehensive range information of northern Hemisphere birds and mammals, we assessed the taxonomic diversity of these two groups in four different regions: Europe, east Asia, and western and eastern North America. East Asia is the richest region in the number of bird and mammal species, genera, families and orders, except that mammal species richness is highest in western North America. Eastern North America is taxonomically the poorest region, but when only forest‐associated taxa were considered in mammals taxonomic diversity is equally low in Europe and in eastern North America, and in birds, Europe is the least diverse region. Patterns in endemic taxa follow overall taxonomic diversity. The proportion of shared taxa between regions is higher among boreal species and genera than among all taxa. A comparison with tree species diversity underpins the role of east Asia as the most diverse of all northern biota. Largely congruent patterns at different taxonomic levels emphasizes the role of historical processes, such as differential extinction rate in response to paleoenvironmental fluctuations, in producing these patterns, but we stress the need for more research on the coevolution of species diversity and habitat diversity.
Bibliography:	http://dx.doi.org/10.1111/j.1365-2699.1997.tb00072.x ArticleID:JBI72 ark:/67375/WNG-9DB27LS4-8 istex:540B4BC5A3C43D8D96EAA9A2352149AFDFC262EF ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-1 content type line 23
ISSN:	0305-0270 1365-2699
DOI:	10.1111/j.1365-2699.1997.tb00072.x