Thomas Evans Courses

Fishes I

3 reviews

Explore fish biology and ecology in streams, covering basic features, Maryland fish families, and their ecological significance. Learn about fish adaptations and movement in aquatic environments.

• YouTube
• 32 minutes
• On-Demand
• Free Video

Animal Nutrition

1 review

Explore the digestive system's components and functions, from the stomach to the large intestine, including the roles of the liver and pancreas in nutrient processing.

• YouTube
• 29 minutes
• On-Demand
• Free Video

Indices of Biotic Integrity

Learn about Indices of Biotic Integrity (IBIs) in stream ecology, exploring their advantages, disadvantages, and role in assessing ecosystem health through diversity measurements.

• YouTube
• 34 minutes
• On-Demand
• Free Video

River Continuum Concept

Explore the River Continuum Concept and its impact on stream ecosystems, including nutrient cycling, leaf processing, and functional feeding groups in aquatic environments.

• YouTube
• 36 minutes
• On-Demand
• Free Video

Human Pressures Other Than Climate Change

Explore human impacts on stream ecosystems, including pollution, dams, and stocking. Learn about lead, mercury, acid rain, and their effects on freshwater environments.

• YouTube
• 38 minutes
• On-Demand
• Free Video

Modeling - Size Spectra Analysis

Overview of size spectra analysis in stream ecosystems, exploring functional modeling from bacteria to larger organisms and its applications in ecological research.

• YouTube
• 25 minutes
• On-Demand
• Free Video

Modeling - Production

Overview of primary and secondary production in stream ecosystems, covering concepts like trophic levels, population growth, and estimation methods for ecological modeling and analysis.

• YouTube
• 31 minutes
• On-Demand
• Free Video

Amphibians, Reptiles, and Birds

Explore the impact of amphibians, reptiles, and birds on stream ecosystems, covering lifecycles, habitats, and ecological roles of various species.

• YouTube
• 31 minutes
• On-Demand
• Free Video

Macroinvertebrates I

Explore aquatic macroinvertebrates, their life cycles, and ecological roles in streams. Learn about the drift paradox and common non-insect species in this comprehensive overview.

• YouTube
• 36 minutes
• On-Demand
• Free Video

Macroinvertebrates II

Explore aquatic insect orders, their roles in stream food webs, and oxygen acquisition methods. Gain insights into diverse macroinvertebrate adaptations and ecological functions.

• YouTube
• 47 minutes
• On-Demand
• Free Video

Stream Chemistry II With Sound

Explore carbon cycling in streams, focusing on organic material transport, storage, and processing. Learn about particulate matter, dissolved organics, and their ecological impacts.

• YouTube
• 29 minutes
• On-Demand
• Free Video

Hydrology and Geomorphology II

Explore stream ecology through hydrology and geomorphology, covering flow dynamics, fluid mechanics, and field sampling techniques for a comprehensive understanding of riverine systems.

• YouTube
• 43 minutes
• On-Demand
• Free Video

Hydrology and Geomorphology I

Explore hydrology and geomorphology fundamentals, focusing on Chesapeake region streams. Learn about riverscapes, discharge measurements, and key physical features of waterways.

• YouTube
• 54 minutes
• On-Demand
• Free Video

Animal Hormones

Explore the endocrine system's role in regulating metabolism and reproduction, covering key organs and hormone functions in animals.

• YouTube
• 28 minutes
• On-Demand
• Free Video

Respiratory System

Explore animal respiratory systems, from ancient origins to modern mammalian and diapsid breathing, including gas exchange mechanisms and the role of hemoglobin.

• YouTube
• 50 minutes
• On-Demand
• Free Video