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J. Findley (1975)
Mammals of New Mexico
Bruce Patterson (1982)
Pleistocene Vicariance, Montane Islands, and the Evolutionary Divergence of Some Chipmunks (Genus Eutamias)Journal of Mammalogy, 63
James Brown (1971)
Mammals on Mountaintops: Nonequilibrium Insular BiogeographyThe American Naturalist, 105
D. Dawson (1984)
Principles of ecological biogeography and criteria for reserve design (extended abstract)Journal of The Royal Society of New Zealand, 14
J. Karr (1982)
Population Variability and Extinction in the Avifauna of a Tropical Land Bridge IslandEcology, 63
James Brown, A. Kodric‐Brown (1977)
Turnover Rates in Insular Biogeography: Effect of Immigration on ExtinctionEcology, 58
Journal of the Royal Society of New Zealand, 14
I. Abbott (1983)
The meaning of z in species/area regressions and the study of species turnover in island biogeographyOikos, 41
D. Simberloff (1985)
Extinctions Matthew H. NiteckiThe Auk, 102
E. Connor, E. McCoy (1979)
The Statistics and Biology of the Species-Area RelationshipThe American Naturalist, 113
Simberloff Simberloff (1985)
(Book Review) Extinctions, Nitecki, M. H. (Ed.).The Auk, 102
R. Sullivan (1985)
PHYLETIC, BIOGEOGRAPHIC, AND ECOLOGIC RELATIONSHIPS AMONG MONTANE POPULATIONS OF LEAST CHIPMUNKS (EUTAMIAS MINIMUS) IN THE SOUTHWESTSystematic Biology, 34
A. Harris (1985)
Late Pleistocene Vertebrate Paleoecology of the West
M. McIntyre, E. Young, C. King (1984)
Proceedings of a one-day workshop on Biological Reserve Design in Mainland New ZealandJournal of The Royal Society of New Zealand, 14
R. Macarthur, E. Wilson (1969)
The Theory of Island Biogeography
P. Wells (1983)
Paleobiogeography of Montane Islands in the Great Basin since the Last GlaciopluvialEcological Monographs, 53
J. Sepkoski (1982)
Mass extinctions in the Phanerozoic oceans: A review, 190
Grayson Grayson (1982)
Toward a history of Great Basin mammals during the past 15,000 years.Society for American Archeology Papers, 2
T. Lawlor (1986)
Comparative biogeography of mammals on islandsBiological Journal of The Linnean Society, 28
Kuchler Kuchler (1964)
The potential natural vegetation of the conterminous United States, 1:3,168,000.Special Publications, American Geographical Society, 36
James Brown (1978)
The theory of insular biogeography and the distribution of boreal birds and mammalsGreat Basin naturalist memoirs, 2
R. Peters, J. Raelson (1984)
Relations between Individual Size and Mammalian Population DensityThe American Naturalist, 124
K. Crowell (1986)
A comparison of relict versus equilibrium models for insular mammals of the Gulf of MaineBiological Journal of The Linnean Society, 28
James Brown (1984)
On the Relationship between Abundance and Distribution of SpeciesThe American Naturalist, 124
K. Crowell (1973)
Experimental Zoogeography: Introductions of Mice to Small IslandsThe American Naturalist, 107
Dawson Dawson (1984)
Principles of ecological biogeography and criteria for reserve design.Journal of the Royal Society of New Zealand, 14
The nested subset hypothesis was formulated to describe and explain patterns in the community structure of insular mammal faunas which are in the state of ‘relaxation’. The hypothesis states that the species comprising a depauperate fauna should constitute a proper subset of those in richer faunas, and that an archipelago of such faunas arranged by species richness should present a nested series. The non‐randomness of this pattern is evaluated for montane mammals in the American Southwest using Monte Carlo simulations under two sets of conditions. First, we constructed model archipelagos with the observed distribution of species richnesses, drawing individual species at random (without replacement) from the species pool (RANDOM0). Secondly, we constructed model archipelagos having the observed distribution of species richnesses, but weighted the selection of species by their actual frequencies of occurrence (RANDOM1). The degree of nestedness in the model archipelagos was then used to assess the non‐randomness of the observed structure. Actual Southwestern mammal faunas have a far more nested structure than model archipelagos produced by either RANDOM0 or RANDOM1, and there is virtually zero probability that observed structure is represented in the distribution of scores from either simulation run. Similar analyses were conducted on other archipelagos to determine the generality of this relationship and to identify variables putatively responsible for its production. Mammal faunas of large islands off the coast of Maine, U.S.A., studied by Crowell (1986) also comprise nested subsets, as do those inhabiting islands off the coast of Baja California, Mexico, studied by Lawlor (1983). Significantly, when the Baja archipelago is divided into landbridge islands (which are presumed to be relaxing to lower species level) and oceanic islands (where species number is limited by successful overwater dispersal), only the former show significant nestedness under the more stringent conditions of RANDOM1. These results and theoretical considerations suggest that selective extinction of species may be chiefly responsible for the nestedness in natural archipelagos. Our conclusions have obvious implications for the design of natural preserves (e.g. SLOSS): several small fragments of a single biota can be expected to support nested subsets of the species originally present or that would likely be retained in a single large preserve. Even more sobering are arguments raised which suggest that the faunas of preserves established in different habitats within the same biome might be expected to converge in composition via selective extinction.
Biological Journal of the Linnean Society – Oxford University Press
Published: May 1, 1986
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