Ecological dictionary 2
anthrosol
human-created urban soil type, containing an abundance of pulverized concrete,
dust, debris, and "till- materials
applied ecology
application of ecological
theory, principles, and concepts to resource management
aquifer
porous underground strata (limestone, sand, or gravel) bounded by impervious
rock or clay, containing significant quantities of water
ascendancy
the tendency for self-organizing, dissipative systems to develop network flows
over time
association
natural unit of vegetation, often dominated by a particular species, thus
provid-ing a relatively uniform vegetative composition
atoll circular
or semicircular group of islands encircling a lagoon, formed by coral reefs
grow-ing on the submerged slopes of a seamount
aufwuchs
plants and animals attached to or moving about on submerged surfaces; also
fre-quently termed periphyton
autochthonous
refers to photosynthesis or organic materials generated within the commu-nity
or ecosystem
autogenic
succession successional changes largely determined by internal
(self-generated) interactions
autotrophic producing
its own food (as photosynthetic plants); production (P) is greater than
respiration (R)
autotrophic
succession succession beginning when P/R > 1
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