Wetland Twilight Safari
- Hike to Lake Marmo.
- Tree shapes and silhouettes.
- Smell objects: black walnut fruit, pine cones, nepeta, garlic mustard, asclepias...
- Lake Marmo: wetland.
- Hydrology: surface saturation for 1 week during growing season.
- Hydric soil: low in oxygen, slow decomposition; rotten egg smell - H. sulfide (take sample).
- Hydrophytic plants: Typha latifolia (T. angustifolia? Rhizomes form colonies. Producers: food cycle.
- Sample staminate & pistillate flowers. Cattail moth ecology.
- Spongy aerenchyma forms air channels: adaptation to hydric soil, transport oxygen from leaves to roots. (take sample).
- Wetland functions.
- Benthic macroinvertebrate sampling:
- Insect life cycle.
- Water quality indicators.
- Willoway Creek: stream.
- Flowing water: more oxygen.
- Clinging animals.
- Collect: Asclepias flowers.
- Hike back Lake Marmo.
- Identify trees from shapes and silhouettes.
- Identify objects by smell.
- Snowy Tree Cricket: chirps/15 sec + 37=temperature
- Lab.
- Macroinvertebrates: id, classify.
- Typha, Asclepias flowers.
- Squeeze Typha stems, leaves.
- Wrapup: food cycle: producer/consumer/decomposer, water cycle.