0198566123.pdf

formation. Yet what Diamond (1975a) presented amounted to a fairly comprehensive island biogeo- graphical theory in its own righ ...

ISLAND ASSEMBLY THEORY 109 1.0 0.8 0.6 0.4 0.2 0 J 1.0 0.8 0.6 0.4 0.2 0 J 1.0 0.8 0.6 0.4 0.2 0 J 0 20 40 60 80 100 120 140 S 0 ...

species richness within the Bismarck Islands: A-tramps 3–9 islands; B-tramps 10–14 islands; C-tramps 15–19 islands; and D-tramps ...

Diamond (1975a) himself suggested that the parallel was quite a close one, although he noted that while in the taxon cycle ants ...

M. amboinensis(average weight 149 g) or a repre- sentative of the Reinwardtoenasuperspecies (aver- age weight 297 g). This sugge ...

was taken to imply additional combinational rules preventing apparently reasonable combinations occurring with the frequency to ...

of the equilibrium thinking at the heart of MacArthur and Wilson’s (1967) monograph. Thus, for instance, he writes, The fact tha ...

a given number of species, (2) that each species is found on a given number of islands, and (3) that each species is permitted t ...

in their null models build in occurrence frequen- cies and incidences of species which can be shown to be influenced by competit ...

ISLAND ASSEMBLY THEORY 117 Box 5.1 On null models in biogeography As applied in statistical analysis, a null hypothesisis the hy ...

did not restrict analyses to particular ecological guilds, this ‘intrafamily’ result is both unsurpris- ing and by no means cont ...

in contrast, were absent from many islands in the 2–10 ha range. Temporary food shortages, or ‘energy crises’ might be more prob ...

that larger, winter-active species were good colonizers, whereas the smaller species and hiber- nators seldom travelled across t ...

It was found that none of the 10 species exhibited a maximum isolation effect (Fig. 5.3d), which was not surprising given the re ...

(Lomolino 1984a). When introduced into islands, Blarinabrought about drastic declines of Microtus densities, restricting it to i ...

ISLAND ASSEMBLY THEORY 123 Box 5.2 How consistent are species incidence functions? Incidence functions are simple analyses of th ...

124 COMMUNITY ASSEMBLY AND DYNAMICS Eopsaltria australis Area (ha, log scale) 1 10 100 1000 0.0 0.2 0.4 0.6 0.8 1.0 Acanthiza pu ...

widespread species tend to be better colonists, or possibly a combination of the two. Anthropogenic experiments in island assemb ...

(Lockwood and Moulton 1994). Only a proportion of introduced species succeeds in establishing and maintaining populations over l ...

narrow or broad groups of species. It might thus be possible for chequerboard distributions and the like to be detectable within ...