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32 Cards in this Set
- Front
- Back
Reductionist
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method of understanding ecological patterns and processces using mechanisms and causal processes. Ie. cat. grow faster on N rich leaves
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Holistic
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determine boundaries of the system needed to understand the outcome of ecological interactions in the real world.
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zoom lens ecology
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focus in for mech, zoom out for context.
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ecological forecasting
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acknowledge uncertainty and context dependency.
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tools for dealing with ecological variablity:
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1-replicates
2-controls 3-stats |
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Replicates
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separate, indpt units of study that are treated identically by ecologists, in order to assess variablity that arises from factors not manipulated.
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controls
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provide baseline for comparison
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Macan's Filter
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a species can be excluded from a certain habitat by:
1-dispersal (not arrived, cant't persist) 2-Behavior (avoids habitat, can't persist) 3-abiotic factors 4-biotic interactions |
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propagule
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dispersing unit capable of establishing a new population
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Condition
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abiotic environmental factor that varies in space and time and affects the performance of the organism.
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Resource
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all things consumed by organisms
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Adiabatic Cooling
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rising air expands in volume, losing temp. If it cools below dew point, air will precipitate.
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Dew Point
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temp at which air is saturated, any lower and there will be precipitation.
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Global Climate Patterns
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wet tropics at equator
deserts at 30 N &S Temperate rainforests @ 60 N&S antarctic and arctic deserts |
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Coriolis Effect
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equator is traveling faster than the rest of the earth, as you go N>>obj veers right and south>>>obj veers left
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Eutrophic
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river, lake, estuary. nutrient rich>>can produce toxic algal blooms
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Mesotrophic
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intermediate nutrient concentrations
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Oligotrophic
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low quantity of nutrient concentrations. very clear water, good for people.
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parts of river
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1-headwater
2-meandering middle reaches 3-lowland flood plains |
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Headwater
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woody debris, forest cover
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Meandering Middle reaches
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clean gravel beds, hyporheic habitat, undercut rooted bank veg, off river hab,
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Lowland floodplain river
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marshes or forests, off channel water bodies
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hyporheic
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The area below the streambed where water percolates through spaces between the rocks and cobbles (Interstitial Space).
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estuary
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where rivers empty into oceans
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tidal prism
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wedge of fresh water overlies denser salt water
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eurysaline
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wide tolerance to salt
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osmoregulation
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ability to regulate salinity
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plankton
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passive drifters
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nekton
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active swimmers
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neritic
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nearshore subtidal
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benthic
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life on the substrate of sea, river lake.
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Pelagic
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offshore, beyond continental shelf
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