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CHAPTER NINE Body size and biogeography B.J.FINLAY Natural Environment Research Council, UK G.F.ESTEBAN Natural Environment Rese ...

of microbial species are correlated (Fig.9.2 ). Unlike most macroscopic organisms, whose dispersal and spatial distribution are ...

One of the more awkward and contentious problems for supporters of the ‘restricted distribution’ of microbial species has been t ...

A one-hectare freshwater pond will support something in the region of 10^18 bacteria, 10^16 protists and 10^11 small animals (Fi ...

The ubiquitous dispersal of microbes initiates a train of patterns and pheno- mena, such as low rates of allopatric speciation, ...

Of the>2000 eukaryote taxa recorded, those identified to species level with sufficient associated geographical information we ...

approximately one gram of superficial lake sediment, and recorded 20 active ciliate species at the time of sampling. In response ...

experiments such as these are not carried out more frequently, especially when the rewards (for example, discovering the true di ...

Endemic species Endemic protist species – if they exist – would seriously challenge the theory of ubiquitous dispersal. Until re ...

The list of the most frequently occurring diatom species consists solely of taxa with cosmopolitan distribution. This is presuma ...

The ‘problem’ is readily illustrated with the following simple example (Finlay & Fenchel,2004 ). Consider the aforementioned ...

fraction in the region 10^11 –10^13 if we consider, for example, the size range that includes most ciliate species. But ‘rarit ...

genotypes, but there appears to be no evidence for any geographical pattern in their distribution (Finlayet al., unpublished), a ...

within nominal species. We do not believe there is yet any convincing evidence for a biogeography of such variation in asexual p ...

inventory of<1 mm species in two small water bodies, suggests that a similar picture would have emerged irrespective of where ...

to organisms with microbial dimensions will probably not break down at the global scale (Finlayet al., 2001). Concluding remarks ...

Thematic Programme). We are grateful to Professor Tom Fenchel (Copenhagen) for sharing ideas and contributing very useful sugges ...

Finlay, B. J. & Maberly, S. C. (2000).Microbial Diversity in Priest Pot. Ambleside, UK: Freshwater Biological Association. F ...

Morgan, C.I. & King, P. E. (1976).British Tardigrades Synopses of the British Fauna No. 9. London: Linnean Society of London ...

CHAPTER TEN By wind, wings or water: body size, dispersal and range size in aquatic invertebrates SIMON D.RUNDLE University of P ...