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45 Cards in this Set

  • Front
  • Back
Ecological biogeography
applying ecological theory to explain distribution patterns
Shoener
Came up with one of community ecology's laws
Species-distance relationships
tend to get negative relationship between species richness and island isolation
Immigration
movement of potential founding population onto island
Establishment
founders survive and form a population
Colonization
includes immigration and establishing a population
Extinction
loss of previously existing population
MacArthur and Wilson
Equilibrium Theory of Island Biogeography
Rescue Effect
on island close to mainland, extinction may be low because immigration is high
Target Effect
larger islands get more immigrations
Harmonic biota
balanced assemblages, similar in composition to source biota
Disharmonic biota
unbalanced or non-random subset of source
Island Chains
islands are nested subsets of a richer island when look at species composition
Supertramp species
found only on small and/or isolated islands with few other species
Density composition
caused by low levels of competitors or lack of predators
Island rule
different groups of mammals exhibit different trends in insular body size
Areography
description of patterns and underlying mechanisms responsible for size, shape, and location of geographic ranges
Macroecology
multi-scale approach to investigating assembly and structure of biotas
Deductive
hypothesis driven scientific method
Inductive
searching for patterns, building hypothesis/theory
Rappoport's Rule
Broadest ranges in the North
Nestedness
tendency for ecological communities from species-poor sites to form proper subsets found in richer sites
Bergmann's Rule
body size of endotherms tends to increase with latitude
Allen's Rule
in endothermic vertebrates, those living in hotter environments have longer appendages
Gloger's Rule
darker colors occur in more humid environment
Species richness
number of species in an area
Diversity
indices combines richness and evenness
Penninsular Effect
species richness tends to decrease from continental interior toward terminus of peninsula
Centinelan extinction
undiscovered species going extinct before they can be described
Gigantopithecus
Found in China and India, similar to gorillas but much larger
Adapids
resemble modern lemurs
Omomyids
resemble modern tarsiers
Black Death
1348-1351 half of Europe died
Lonnie Thompson
chronicled CO2 in tropical ice cores and documented melting of tropical glaciers
Diamond
Assembly rules for Islands
J. Bristol Foster
Island Rule
E. O. Wilson
Taxon cycle, Centinelan extinction
James Brown
Macroecology
Wilcove
stages of community response to habitat fragmentation
Matthews
rise in 2-3 degrees would cause extinction of many prairie fishes
McDonald and Brown
based on climate models, current distributions and species-area relationships, predict lost of 45 small mammal species across 19 mountain ranges in Great Basin
Root
meta analysis showed response to climate change over last decade
Stevens
found as increase in altitude and latitude, find larger range sizes and few species
Richard Leaky
found early H. sapiens in Kenya
Donal Johanson
finds 40% complete Australopithecus female Lucy