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  <channel>
    <title>Notebooks   </title>
    <link>http://bactra.org/notebooks</link>
    <description>Cosma's Notebooks</description>
    <language>en</language>

  <item>
    <title>Ecology</title>
    <link>http://bactra.org/notebooks/2009/05/20#ecology</link>
    <description>
&lt;P&gt;&quot;Ecology&quot; is not a religion or a political movement but merely a science,
and an impeccably materialist and &lt;a href=&quot;reductionism.html&quot;&gt;reductionist&lt;/a&gt;
one at that.  (Actually, &quot;ecology&quot; is a word of three syllables, and it's
ecology which is the science, but let's not get into that.)  Some ecologists
are confused about this, but I suggest they read &lt;a
href=&quot;john-holland.html&quot;&gt;John Holland&lt;/a&gt;, or &lt;a
href=&quot;dawkins.html&quot;&gt;Dawkins&lt;/a&gt;, or &lt;a href=&quot;dennett.html&quot;&gt;Dennett&lt;/a&gt;.  I
happen to think (moderate) &lt;a href=&quot;environmentalism.html&quot;&gt;environmentalism&lt;/a&gt;
is a good idea, but that's a separate issue.

&lt;P&gt;&quot;Ecosystems&quot; are not very good &quot;systems&quot;.  They have no real boundaries,
they don't have steady states, they have all the homeostasis of a Rube Goldberg
tooth-brush (except that they don't grind to a halt when you shove something
into the works, which real systems tend to do).  In short they resemble
waterfalls or storms more than they do thermostats, guided missiles or
organisms; and it seems we learn more about them by tracing the flow of
chlorine than by contemplating the whole.

&lt;P&gt;It was observed that a certain species of fish was much more resistant to
disease in its natural habitat than in captivity, regardless of the steps that
were taken to simulate the habitat.  Upon investigation it proved that the
fishes were secreting a chemical into the water which, when absorbed by another
of the same species, stimulated the immune system, and that the captive
populations were simply too small to keep the concentration of the substance to
the necessary level.  [From Odum's book, via memory.]

&lt;P&gt;See also
	&lt;a href=&quot;agent-based-modeling.html&quot;&gt;Agent-Based Modeling&lt;/a&gt;;
	&lt;a href=&quot;evolution.html&quot;&gt;Evolution&lt;/a&gt;

&lt;ul&gt;Recommended:
	&lt;li&gt;Wallace Arthur, &lt;cite&gt;The Green Machine&lt;/cite&gt; [Argues very nicely
for reductionist science &lt;em&gt;and&lt;/em&gt; Green politics.  Makes an interesting
case that a suburban development does more damage to the environment than your
average oil-tanker spill, since the development will be around for centuries.]
	&lt;li&gt;&lt;a href=&quot;http://baltimore.umbc.edu/lter/&quot;&gt;Baltimore Ecosystem
Study&lt;/a&gt; [Large-scale, long-term, rigorous study of a whole urban ecosystem,
including &lt;a href=&quot;economics.html&quot;&gt;economic&lt;/a&gt; and &lt;a
href=&quot;sociology.html&quot;&gt;sociological&lt;/a&gt; effects]
	&lt;li&gt;Daniel Botkin
		&lt;ul&gt;
		&lt;li&gt;&lt;cite&gt;Discordant Harmonies&lt;/cite&gt; [Dividing through for a
lot of spirit-of-the-times bosh about &quot;the machine age&quot;]
		&lt;li&gt;&lt;cite&gt;Our Natural History&lt;/cite&gt;
		&lt;/ul&gt;
	&lt;li&gt;Stephen Budiansky, &lt;cite&gt;Nature's Keepers: The New Science of
Nature Management&lt;/cite&gt; [Emphasis on the science, i.e., modern ecology.
&lt;a href=&quot;../reviews/natures-keepers/&quot;&gt;Review: Heaven and Earth Are Not
Benevolent&lt;/a&gt;]
	&lt;li&gt;Carole Crumley (ed.), &lt;cite&gt;Historical Ecology: Cultural
Knowledge and Changing Landscapes&lt;/cite&gt;
	&lt;li&gt;John A. Endler, &lt;cite&gt;Natural Selection in the Wild&lt;/cite&gt;
	&lt;li&gt;John Harte
		&lt;ul&gt;
		&lt;li&gt;&lt;cite&gt;Consider a Spherical Cow&lt;/cite&gt;
		&lt;li&gt;&lt;cite&gt;The Green Fuse&lt;/cite&gt;
		&lt;/ul&gt;
	&lt;li&gt;Gary King, &lt;cite&gt;A Solution to the Ecological Inference Problem:
Reconstructing Individual Behavior from Aggregate Data&lt;/cite&gt; [King mostly has
human data in mind, but &lt;em&gt;mutatis mutandis&lt;/em&gt;... &lt;a
href=&quot;../reviews/king-on-ecological-inference/&quot;&gt;Review&lt;/a&gt;]
	&lt;li&gt;Robert May, &lt;cite&gt;Stability and Complexity in Model
Ecosystems&lt;/cite&gt; [An effective demolition of the idea that, &lt;em&gt;ceteris
paribus,&lt;/em&gt; complicated systems are more stable.  In fact the reverse is true
--- in general more complicated systems are &lt;em&gt;less&lt;/em&gt; stable.  This is
good: it allows us to discard hypotheses &quot;in general&quot; and focus on the much
smaller set which allow for both complexity and stability.  May is yet another
heart-warming &lt;a href=&quot;physical-biology.html&quot;&gt;&quot;theoretical physicist makes good
in biology&quot;&lt;/a&gt; story.]
	&lt;li&gt;Eugene Odum, &lt;cite&gt;Ecology&lt;/cite&gt; [Was deservedly the standard
ecology text for many years.]
	&lt;li&gt;Max Rietkerk, Stefan C. Dekker, Peter C. de Ruiter and Johan van de
Koppel, &quot;Self-Organized Patchiness and Catastrophic Shifts in
Ecosystems&quot;, &lt;cite&gt;Science&lt;/cite&gt; &lt;strong&gt;305&lt;/strong&gt; (2004): 1926--1929
	&lt;li&gt;Karl Sigmund, &lt;cite&gt;Games of Life: Explorations in Ecology,
Evolution and Behavior&lt;/cite&gt; [A very well-written popular book on mathematical
biology]
	&lt;/ul&gt;

&lt;ul&gt;To read:
	&lt;li&gt;Edward R. Abraham, &quot;Sea urchin feeding
fronts&quot;, &lt;a href=&quot;http://arxiv.org/abs/q-bio.PE/0610004&quot;&gt;q-bio.PE/0610004&lt;/a&gt;
	&lt;li&gt;James Brown [the other one], &lt;cite&gt;Macroecology&lt;/cite&gt;
	&lt;li&gt;J. Camacho, R. Guimera and L. A. N. Amaral, &quot;Robust Patterns in
Food Web Structure,&quot; &lt;a
href=&quot;http://arxiv.org/abs/cond-mat/0103114&quot;&gt;cond-mat/0103114&lt;/a&gt;
	&lt;li&gt;J. Camacho, R. Guimera, D. B. Stouffer and L. A. N. Amaral,
&quot;Quantitative patterns in the structure of model and empirical food webs&quot;, &lt;a
href=&quot;http://arxiv.org/abs/q-bio.PE/0401023&quot;&gt;q-bio.PE/0401023&lt;/a&gt;
	&lt;li&gt;Robert Stephen Cantrell and Chris Cosner, &lt;cite&gt;Spatial
Ecology via Reaction-diffusion Equations&lt;/cite&gt;
	&lt;li&gt;Marie-France Cattin, Louis-Felix Bersier, Carolin Banasek-Richter,
Richard Baltensperger and Jean-Pierre Gabriel, &quot;Phylogenetic constraints and
adaptation explain food-web
structure&quot;, &lt;cite&gt;Nature&lt;/cite&gt; &lt;strong&gt;427&lt;/strong&gt; (2004): 835--839
	&lt;li&gt;Eric L. Charnov, &lt;cite&gt;Life History Invariants: Some Explorations
of Symmetry in Evolutionary Ecology&lt;/cite&gt;
	&lt;li&gt;Dennis Chitty, &lt;cite&gt;Do Lemmings Commit Suicide?&lt;/cite&gt;
	&lt;li&gt;Francois Coppex, Michel Droz and Adam Lipowski, &quot;Extinction
dynamics of Lotka-Volterra ecosystems on evolving networks&quot;, &lt;a
href=&quot;http://arxiv.org/abs/q-bio.PE/0312030&quot;&gt;q-bio.PE/0312030&lt;/a&gt;
	&lt;li&gt;Roderick C. Deewar and Annabel Porte, &quot;Statistical mechanics
explains macroecological
patterns&quot;, &lt;a href=&quot;http://arxiv.org/abs/q-bio.PE/0703061&quot;&gt;q-bio.PE/0703061&lt;/a&gt;
	&lt;li&gt;Judy Diamond and Alan B. Bond, &lt;cite&gt;Kea, Bird of Paradox&lt;/cite&gt;
[&lt;a href=&quot;http://dannyreviews.com/h/Kea.html&quot;&gt;Review by Danny Yee&lt;/a&gt;]
	&lt;li&gt;Barbara Drossel, Alan McKane and Christopher Quince, &quot;The impact
of non-linear functional responses on the long-term evolution of food web
structure&quot;, &lt;a
href=&quot;http://arxiv.org/abs/q-bio.PE/0401025&quot;&gt;q-bio.PE/0401025&lt;/a&gt;
	&lt;li&gt;Barbara Drossel, Paul G. Higgs and Alan J. McKane, &quot;The Influence
of Predator-Prey Population Dynamics on the Long-term Evolution of Food Web
Structure,&quot; &lt;a href=&quot;http://arxiv.org/abs/nlin.AO/0002032&quot;&gt;nlin.AO/0002032&lt;/a&gt;
	&lt;li&gt;W. H. Drury, &lt;cite&gt;Chance and Change: Ecology for
Conservationists&lt;/cite&gt;
	&lt;li&gt;Christian W. Eurich, Andreas Thiel and Lorenz Fahse, &quot;Distributed
Delays Stabilize Ecological Feedback Systems&quot;, &lt;a
href=&quot;http://dx.doi.org/10.1103/PhysRevLett.94.158104&quot;&gt;&lt;cite&gt;Physical Review
Letters&lt;/cite&gt; &lt;strong&gt;94&lt;/strong&gt; (2005): 158104&lt;/a&gt;
	&lt;li&gt;Michael M. Fuller, Tamara N. Romanuk and Jurek Kolasa, &quot;Community
Structure and Metacommunity Dynamics of Aquatic Invertebrates: a Test of the
Neutral Theory&quot;, &lt;a
href=&quot;http://arxiv.org/abs/q-bio.PE/0406023&quot;&gt;q-bio.PE/0406023&lt;/a&gt;
	&lt;li&gt;Amatzia Genin, Jules S. Jaffe, Ruth Reef, Claudio Richter, Peter
J. S. Franks, &quot;Swimming Against the Flow: A Mechanism of Zooplankton
Aggregation&quot;, &lt;a
href=&quot;http://dx.doi.org/10.1126/science.1107834&quot;&gt;&lt;cite&gt;Science&lt;/cite&gt; &lt;strong&gt;308&lt;/strong&gt;
(2005): 860--862&lt;/a&gt;
	&lt;li&gt;Godfray, &lt;cite&gt;Parasitoids: Behavioral and Evolutionary
Ecology&lt;/cite&gt;
	&lt;li&gt;Volker Grimm and Steven F. Railsback, &lt;cite&gt;Individual-based
Modeling and Ecology&lt;/cite&gt; [&lt;a
href=&quot;http://pup.princeton.edu/titles/8108.html&quot;&gt;Blurb, chapter 1&lt;/a&gt;.]
	&lt;li&gt;Volker Grimm, Eloy Revilla, Uta Berger, Florian Jeltsch, Wolf
M. Mooij, Steven F. Railsback, Hans-Hermann Thulke, Jacob Weiner, Thorsten
Wiegand, and Donald L. DeAngelis, &quot;Pattern-Oriented Modeling of Agent-Based
Complex Systems: Lessons from Ecology&quot;, &lt;a href=&quot;http://dx.doi.org/
10.1126/science.1116681&quot;&gt;&lt;cite&gt;Science&lt;/cite&gt; &lt;strong&gt;310&lt;/strong&gt; (2005):
987--991&lt;/a&gt;
	&lt;li&gt;Frances Hammerston, &lt;cite&gt;My Double Life: Memoirs of a
Naturalist&lt;/cite&gt;
	&lt;li&gt;Alan Hastings, &quot;Transients: the key to long-term ecological
understanding?&quot;, &lt;a
hrf=&quot;http://dx.doi.org/10.1016/j.tree.2003.09.007&quot;&gt;&lt;citE&gt;Trends in Ecology and
Evolution&lt;/cite&gt; &lt;strong&gt;19&lt;/strong&gt; (2004): 39--45&lt;/a&gt;
	&lt;li&gt;C. S. Hollings, &quot;Resilience and Stability of Ecological Systems&quot;,
&lt;a href=&quot;http://dx.doi.org/10.1146/annurev.es.04.110173.000245&quot;&gt;&lt;cite&gt;Annual
Review of Ecology and Systematics&lt;/cite&gt; &lt;strong&gt;4&lt;/strong&gt; (1973): 1--23&lt;/a&gt;
	&lt;li&gt;Stephen P. Hubbell, &lt;cite&gt;The Unified Neutral Theory of
Biodiversity and Biogeography&lt;/cite&gt;
	&lt;li&gt;Gail Jarrow and Paul Sherman, &lt;cite&gt;The Naked Mole Rat
Mystery&lt;/cite&gt;
	&lt;li&gt;Henrik Jeldtoft Jensen, Elsa Arcaute, &quot;Complexity, Collective
Effects and Modelling of Ecosystems: formation, function and
stability&quot;, &lt;a href=&quot;http://arxiv.org/abs/0709.2015&quot;&gt;arxiv:0709.2015&lt;/a&gt; [&quot; We
describe examples where combining statistical mechanics and ecology has led to
improved ecological modelling and, at the same time, broadened the scope of
statistical mechanics.&quot;]
	&lt;li&gt;Jerald B. Johnson and Kristian S. Omland, &quot;Model selection in
ecology and evolution&quot;, &lt;a
href=&quot;http://dx.doi.org/10.1016/j.tree.2003.10.013&quot;&gt;&lt;cite&gt;Trends in Ecology and
Evolution&lt;/cite&gt; &lt;strong&gt;19&lt;/strong&gt; (2004): 101--108&lt;/a&gt;
	&lt;li&gt;James Justus, &quot;Ecological and Lyapunov Stability&quot;,
&lt;a href=&quot;http://philsci-archive.pitt.edu/archive/00002987/&quot;&gt;phil-sci/2987&lt;/a&gt;
[&quot;Although Lyapunov stability adequately characterizes perturbation responses
of systems typically studied in physics, it does not for ecological systems&quot;]
	&lt;li&gt;Richard Kingsford (ed.), &lt;cite&gt;Ecology of Desert Rivers&lt;/cite&gt;
[&lt;a href=&quot;http://www.cambridge.org/0521818257&quot;&gt;Blurb&lt;/a&gt;]
	&lt;li&gt;Mark Kot, &lt;cite&gt;Elements of Mathematical Ecology&lt;/cite&gt;
[&lt;a href=&quot;http://cambridge.org/9780521001502&quot;&gt;blurb&lt;/a&gt;]
	&lt;li&gt;John Kricher, &lt;cite&gt;The Balance of Nature: Ecology's Enduring
Myth&lt;/cite&gt; [&lt;a href=&quot;http://press.princeton.edu/titles/8853.html&quot;&gt;Blurb,
ch. 1&lt;/a&gt;]
	&lt;li&gt; N. Lanchier and C. Neuhauser, &quot;A spatially explicit model for
competition among specialists and generalists in a heterogeneous
environment&quot;, &lt;a
href=&quot;http://arxiv.org/abs/math.PR/0610227&quot;&gt;math.PR/0610227&lt;/a&gt; = &lt;cite&gt;Annals
of Applied Probability&lt;/strong&gt; &lt;strong&gt;16&lt;/strong&gt; (2006): 1385--1410
	&lt;li&gt;Simon Levin, &lt;cite&gt;Fragile Dominion: Complexity and the
Commons&lt;/cite&gt;
	&lt;li&gt;Robert H. MacArthur and Edward O. Wilson, &lt;cite&gt;The Theory of
Island Biogeography&lt;/cite&gt;
	&lt;li&gt;Marc Mangel, &lt;citE&gt;The Theoretical Biologist's Toolbox:
Quantitative Methods for Ecology and Evolutionary Biology&lt;/cite&gt;
[&lt;a href=&quot;http://cambridge.org/9780521537483&quot;&gt;blurb&lt;/a&gt;]
	&lt;li&gt;Brian A. Maurer, &quot;Statistical mechanics of complex ecological
aggregates&quot;, &lt;a
href=&quot;http://dx.doi.org/10.1016/j.ecocom.2004.11.001&quot;&gt;&lt;citE&gt;Ecological
Complexity&lt;/cite&gt; &lt;strong&gt;2&lt;/strong&gt; (2005): 71--85&lt;/a&gt;
	&lt;li&gt;A. J. McKane and T. J. Newman, &quot;Predator-Prey Cycles from Resonant
Amplification of Demographic Stochasticity&quot;, &lt;a
href=&quot;http://dx.doi.org/10.1103/PhysRevLett.94.218102&quot;&gt;&lt;cite&gt;Physical Review
Letters&lt;/cite&gt; &lt;strong&gt;94&lt;/strong&gt; (2005): 218102&lt;/a&gt;
	&lt;li&gt;Lorus and Margery Milne, &lt;cite&gt;Patterns of Survival&lt;/cite&gt;
	&lt;li&gt;Janice Moore, &lt;cite&gt;Parasites and the Behavior of Animals&lt;/cite&gt;
	&lt;li&gt;George Oster and Edward O. Wilson, &lt;cite&gt;Caste and Ecology in the
Social Insects&lt;/cite&gt;
	&lt;li&gt;Mercedes Pascual and Jennifer A. Dunne (eds.), &lt;cite&gt;Ecological
Networks: Linking Structure to Dynamics in Food Webs&lt;/cite&gt;
	&lt;li&gt;Peter Price, &lt;cite&gt;Evolutionary Biology of Parasites&lt;/cite&gt;
	&lt;li&gt;Christopher Quince, Paul Higgs and Alan McKane, &quot;Deleting species
from model food webs&quot;, &lt;a
href=&quot;http://arxiv.org/abs/q-bio.PE/0401037&quot;&gt;q-bio.PE/0401037&lt;/a&gt;
	&lt;li&gt;Esa Ranta, Per Lundberg and Veijo Kaitala, &lt;cite&gt;Ecology of Populations&lt;/cite&gt; [&lt;a href=&quot;http://www.cambridge.org/us/catalogue/catalogue.asp?isbn=0521670330&quot;&gt;&quot;how local births and deaths are tied to emigration and immigration processes, and how environmental variability at different scales affects population dynamics with stochastic processes and spatial structure. ... elementary analytical tools can be used to understand population fluctuations, synchrony, processes underlying range distributions and community structure and species coexistence ... spatial population dynamics models can be used to understand life history evolution and aspects of evolutionary game theory.&quot;&lt;/a&gt;]
	&lt;li&gt;&lt;a href=&quot;http://www.resalliance.org/&quot;&gt;Resilience Alliance&lt;/a&gt;
	&lt;li&gt;A. G. Rossberg, H. Matsuda, T. Amemiya and K. Itoh, &quot;Food Webs:
Experts Consuming Families of Experts&quot;, &lt;a
href=&quot;http://arxiv.org/abs/q-bio.PE/0508002&quot;&gt;q-bio.PE/0508002&lt;/a&gt; [&quot;Here we
show that observed topological features of predatory food webs can be
reproduced to unprecedented accuracy by a mechanism taking into account only
phylogeny, size constraints, and the heredity of the trophically relevant
traits of prey and predators.&quot;]
	&lt;li&gt;Paul Sherman, Jennifer Jarvis and Richard Alexander, &lt;cite&gt;The
Biology of the Naked Mole-Rat&lt;/cite&gt;
	&lt;li&gt;Sitabhra Sinha and Sudeshna Sinha, &quot;Evidence of universality for
the May-Wigner stability theorem for random  networks with local dynamics&quot;,
&lt;a href=&quot;http://arxiv.org/abs/nlin.AO/0402002&quot;&gt;nlin.AO/0402002&lt;/a&gt;
	&lt;li&gt;Ricard V. Sol&amp;eacute; and Jordi Bascompte, &lt;cite&gt;Self-Organization
in Complex Ecosystems&lt;/cite&gt;
[&lt;a href=&quot;http://pup.princeton.edu/titles/8224.html&quot;&gt;Blurb, ch. 1&lt;/a&gt;]
	&lt;li&gt;David Stephens and John Krebs, &lt;cite&gt;Foraging Theory&lt;/cite&gt;
	&lt;li&gt;Can Ozan Tan, Uygar Ozesmi, Meryem Beklioglu, Esra Per, Bahtiyar
Kurt, &quot;Statistical Predictive Models in Ecology: Comparison of Performances and
Assessment of
Applicability&quot;, &lt;a
href=&quot;http://arxiv.org/abs/q-bio.QM/0510031&quot;&gt;q-bio.QM/0510031&lt;/a&gt; [Even without
reading it, I can tell you that the last sentence of the abstract is definitely
correct: &quot;for predictive modeling purposes, first a suitable, computationally
inexpensive method should be applied to the problem at hand a good predictive
performance of which would render the computational cost and efforts associated
with complex variants unnecessary.&quot;]
	&lt;li&gt;William L. Thomas, Jr., et al. (eds.), &lt;cite&gt;Man's Role in Changing
the Face of the Earth&lt;/cite&gt;
	&lt;li&gt;David Tilman, &quot;Niche tradeoffs, neutrality, and community
structure: A stochastic theory of resource competition, invasion, and community
assembly&quot;, &lt;a
href=&quot;http://dx.doi.org/10.1073/pnas.0403458101&quot;&gt;&lt;cite&gt;PNAS&lt;/cite&gt; (2004)&lt;/a&gt;
[&lt;em&gt;Abstract&lt;/em&gt;: &quot;Stochastic niche theory resolves many of the differences
between neutral theory and classical tradeoff-based niche theories of resource
competition and community structure. In stochastic niche theory, invading
species become established only if propagules can survive stochastic mortality
while growing to maturity on the resources left unconsumed by established
species. The theory makes three predictions about community structure. First,
stochastic niche assembly creates communities in which species dominate
approximately equally wide 'slices' of the habitat's spatial
heterogeneity. These niche widths generate realistic distributions of species
relative abundances for which, contrary to neutral theory but consistent with
numerous observations, there are strong correlations among species traits,
species abundances, and environmental conditions. Second, slight decreases in
resource levels are predicted to cause large decreases in the probability that
a propagule would survive to be an adult. These decreases cause local diversity
to be limited by the inhibitory effects of resource use by established species
on the establishment (recruitment) of potential invaders. If resource pulses or
disturbance allowed invaders to overcome this recruitment limitation, many more
species could indefinitely coexist. Third, the low invasibility of high
diversity communities is predicted to result not from diversity per se, but
from the uniformly low levels of resources that occur in high-diversity
communities created by stochastic competitive assembly. This prediction
provides a potential solution to the invasion paradox, which is the tendency
for highly diverse regions to be more heavily invaded.&quot;]
	&lt;li&gt;David Tilman, Peter B. Reich and Johannes M. H. Knops,
&quot;Biodiversity and ecosystem stability in a decade-long grassland experiment&quot;, &lt;a
href=&quot;http://dx.doi.org/10.1038/nature04742&quot;&gt;&lt;cite&gt;Nature&lt;/cite&gt; &lt;strong&gt;441&lt;/strong&gt;
(2006): 629--632&lt;/a&gt;
	&lt;li&gt;Peter Turchin, &lt;cite&gt;Complex Population Dynamics&lt;/cite&gt;
	&lt;li&gt;John Vandermeer and Ivette Perfecto, &quot;A Keystone Mutualism Drives
Pattern in a Power Function&quot;, &lt;a
href=&quot;http://dx.doi.org/10.1126/science.1121432&quot;&gt;&lt;cite&gt;Science&lt;/cite&gt;
&lt;strong&gt;311&lt;/strong&gt; (2006): 1000--1002&lt;/a&gt; [I don't think their title
is grammatical!]
	&lt;li&gt;Geerat J. Vermeij
		&lt;ul&gt;
		&lt;li&gt;&lt;cite&gt;Evolution and Escalation: An Ecological History of
Life&lt;/cite&gt;
		&lt;li&gt;&lt;cite&gt;A Natural History of Shells&lt;/cite&gt;
		&lt;li&gt;&lt;cite&gt;Nature: An Economic History&lt;/cite&gt; [&lt;a
href=&quot;http://www.americanscientist.org/template/BookReviewTypeDetail/assetid/40751&quot;&gt;Review
in &lt;cite&gt;American Scientist&lt;/cite&gt;&lt;/a&gt;]
		&lt;/ul&gt;
	&lt;li&gt;Igor Volkov, Jayanth R, Banavar, Stephen P. Hubbell and Amos
Maritan, &quot;Neutral Theory and Relative Species Abundance in Ecology&quot;, &lt;a
href=&quot;http://arxiv.org/abs/q-bio.PE/0504018&quot;&gt;q-bio.PE/0504018&lt;/a&gt; =
&lt;a href=&quot;http://dx.doi.org/10%2E1038/nature01883&quot;&gt;&lt;cite&gt;Nature&lt;/cite&gt;
&lt;strong&gt;424&lt;/strong&gt; (2003): 1035--1037&lt;/a&gt;
	&lt;li&gt;J. Timothy Wootton, &quot;Field parametrization and experimental test of
the neutral theory of biodiversity&quot;, &lt;a
href=&quot;http://dx.doi.org/10.1038/nature03211&quot;&gt;&lt;cite&gt;Nature&lt;/cite&gt; &lt;strong&gt;433&lt;/strong&gt;
(2005): 309--312&lt;/a&gt;
	&lt;/ul&gt;
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