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Biology
Ecology and Conservation
Stream Ecology
1. Introduction to Stream Ecology
2. The Physical Environment
3. The Chemical Environment
4. Stream Biota and Adaptations
5. Ecological Processes and Interactions
6. Major Stream Ecosystem Concepts and Models
7. Human Impacts on Stream Ecosystems
8. Stream Assessment and Biomonitoring
9. Stream Restoration and Management
The Physical Environment
Hydrology and Flow Regimes
Discharge and Velocity
Measurement Techniques
Current Meters
Acoustic Doppler Methods
Tracer Studies
Spatial Variability
Cross-sectional Patterns
Longitudinal Patterns
Temporal Variability
Seasonal Patterns
Annual Variation
Long-term Trends
Flow Characteristics
Laminar Flow
Conditions and Occurrence
Flow Profiles
Turbulent Flow
Reynolds Number
Turbulence Intensity
Ecological Implications
Hydrographs
Components of a Hydrograph
Rising Limb
Peak Flow
Recession Limb
Baseflow
Storm Hydrographs
Seasonal Hydrographs
Interpretation of Flow Events
Flow Variability and Disturbance
Flood Events
Causes and Frequency
Magnitude-Frequency Relationships
Ecological Consequences
Drought Cycles
Types of Drought
Ecological Responses
Flow Intermittency
Temporary Streams
Drying Patterns
Groundwater Interactions
Baseflow Contributions
Gaining and Losing Streams
Springs and Seeps
Hyporheic Exchange
Fluvial Geomorphology
Channel Formation and Evolution
Channel Initiation
Overland Flow Concentration
Headcut Formation
Channel Incision
Vertical Erosion Processes
Knickpoint Migration
Channel Widening
Bank Erosion Mechanisms
Lateral Migration
Erosion and Deposition Processes
Types of Erosion
Bank Erosion
Bed Erosion
Headcutting
Mass Wasting
Sediment Transport
Bedload Transport
Suspended Load Transport
Dissolved Load Transport
Critical Shear Stress
Deposition Processes
Point Bars
Floodplains
Deltas and Fans
Channel Patterns and Morphology
Straight Channels
Occurrence and Stability
Thalweg Patterns
Meandering Channels
Meander Formation
Meander Migration
Oxbow Lake Formation
Cutoff Processes
Braided Channels
Formation Conditions
Bar Development
Channel Switching
Anastomosing Channels
Characteristics
Formation Mechanisms
Valley and Channel Constraints
Confined Channels
Partly Confined Channels
Unconfined Channels
Bedrock Controls
Riparian Zone Structure and Function
Vegetation Types and Zonation
Hydric Vegetation
Mesic Vegetation
Xeric Vegetation
Geomorphic Functions
Bank Stabilization
Sediment Trapping
Flow Resistance
Biogeochemical Functions
Nutrient Buffering
Pollutant Filtration
Carbon Storage
Ecological Functions
Wildlife Habitat
Corridor Functions
Microclimate Regulation
Substrate Characteristics
Particle Size Classification
Bedrock
Boulders
Cobble
Gravel
Sand
Silt
Clay
Substrate Properties
Particle Size Distribution
Sorting and Gradation
Angularity and Roundness
Porosity and Permeability
Substrate Stability and Mobility
Factors Affecting Stability
Particle Size
Flow Velocity
Bed Armoring
Embeddedness
Definition and Measurement
Effects on Organisms
Substrate Turnover
Frequency and Magnitude
Ecological Implications
Organic Substrates
Woody Debris
Leaf Packs
Detrital Accumulations
Light and Temperature Regimes
Light Availability
Solar Radiation Inputs
Factors Influencing Light Penetration
Water Depth
Turbidity
Dissolved Organic Matter
Underwater Light Climate
Spectral Quality
Light Attenuation
Riparian Canopy Effects
Shading Patterns
Daily Variation
Seasonal Variation
Canopy Openness
Edge Effects
Temperature Dynamics
Heat Budget Components
Solar Radiation
Longwave Radiation
Evaporation
Conduction
Thermal Stratification
Formation in Pools
Persistence and Breakdown
Temperature Variability
Diel Cycles
Seasonal Patterns
Longitudinal Gradients
Vertical Gradients
Thermal Refugia
Groundwater Inputs
Spring-fed Areas
Deep Pools
Shaded Areas
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1. Introduction to Stream Ecology
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3. The Chemical Environment