molting – Forests of Memory. Forests of Learning. Forests for Life.

In the heart of the natural world, where seasons weave their magic into every leaf and breeze, lies the profound connection between weather and life cycles. Imagine stepping into a landscape where the shifting seasons narrate the story of nature’s intricate dance. This is where phenology—the study of the seasonal timing of life cycle events—comes to life, guiding us through the seasonal transitions with remarkable precision.

As temperatures rise and fall, the seasonal rhythm dictates the blooming of flowers, the migration of animals, and the emergence of new life. In temperate regions, this rhythm is driven by accumulated heat and daylight, creating a predictable pattern that signals when certain events will occur. From the earliest leaf buds of spring to the final leaf fall of autumn, phenological events mark the passage of time in the natural world.

Traditional Phenological Knowledge (TPK), passed down through generations of Indigenous peoples, offers a rich tapestry of understanding about these seasonal rhythms. This knowledge is embedded in cultural practices and beliefs, linking the life cycles of plants and animals with the cycles of the seasons. For instance, the blooming of wild roses signifies the readiness of soapberries (Shepherdia canadensis, Canada buffaloberry, russet buffaloberry, soopolallie, or foamberry) for harvest to be made into soap or Indigenous ice cream, also known as sxusem, while the appearance of buffalo beans (Thermopsis rhombifolia) marks the return of bison to their grazing grounds. Such observations not only guide subsistence activities but also reflect a deep connection with the environment.

Shepherdia argentea, commonly called silver buffaloberry bull berry, or thorny buffaloberry. CC-BY-SA-3.0 credit Julia Adamson

In mid-summer, when Saskatoon berries (Amelanchier alnifolia), known as smisâskwatômina or “the fruit of the tree of many branches” in Plains Cree, reach their peak ripeness, the bands of the tribe would gather for the Sun Dance. This major tribal ceremony was a Rite of Intensification, uniting the loosely organized tribal bands in a single location. Following this communal gathering, the bands would disperse to their wintering areas, while the bison began their seasonal migration into the region. Drawn by the availability of water and richer forage compared to the dried summer grasses, the bison’s arrival signalled a shift in the landscape, marking the start of a new phase in the seasonal cycle.

Phenological indicators, like the timing of plant flowering or animal behaviors, serve as biological timepieces, providing insight into the health of ecosystems and the impact of changing weather conditions. For example, bison once roamed the grasslands of Manitoba and Saskatchewan, their movements and seasonal behaviors intricately linked to the environment. During rutting season, the rough bark of trees became a crucial element in their courtship rituals. The scent marks left behind served as silent invitations to potential mates, while the bison’s thick fur played a role in seed dispersal and soil enrichment. Seeds from plants such as buffalo grass and the burrs from Wild Licorice clung to their hair as they move, enabling these plants to colonize new areas. American licorice is highly promising for the restoration of degraded and barren lands.

Thermopsis rhombifolia flowers - Buffalo Bean Nadiatalent CCx4 — Shepherdia argentea, commonly called silver buffaloberry bull berry, or thorny buffaloberry. CC-BY-SA-3.0 credit Julia Adamson

The interaction between weather patterns—temperature, wind speed, sunlight, precipitation, and humidity—and these natural cycles is profound. Rainfall patterns can trigger the onset of flowering or animal migration, demonstrating how weather influences ecological events. As Richard St. Barbe Baker’s work on the Sahara Desert, and Dr. Paul Schreiber’s research highlights, forests and their transpiration processes can influence local rainfall patterns, similar to the effects of elevated terrain. Additionally, the timing of the southern cottonwood’s seed release signals the spawning of pickerel, illustrating the interconnectedness of species and their environment.

However, not all ecosystems thrive under changing conditions. Prairie chickens, or pinnated grouse, have seen their populations diminish to rare habitats. These grouse depended on seasonal grazing by bison—a keystone or indicator species — that helped “open the grass”—and their decline paralleled the decline of bison herds.

Traditional knowledge and modern scientific research provide complementary perspectives on these ecological changes. Richard St. Barbe Baker’s desertification work, and Rudolph Geiger’s pioneering work on microclimates and the observations of Indigenous peoples underscore the importance of understanding how seasonal changes affect ecosystems. By integrating these insights, we gain a holistic view of climate impacts and can develop more effective conservation strategies.

As we navigate the complexities of a changing climate, the wisdom embedded in traditional knowledge offers valuable insights into the natural world. Respecting and integrating these perspectives with modern science enhances our understanding of the delicate balance of seasons and their impact on our environment.

So, as you observe the shifting seasons and the life cycles they bring, remember the profound connections that weave through the natural world. Each season, each weather pattern, and each phenological event tells a story of life, change, and resilience. How would phenological cycles help to monitor and adapt to climate change?

Inquiry-Based Learning Activities

1. Phenology Exploration Project:

Activity: Students will research and create a presentation on how different plants and animals respond to seasonal changes. They will use resources like books, videos, and interviews with local experts.
Objective: Understand how phenological events, such as blooming or migration, are linked to seasonal changes and weather conditions.

2. Local Weather and Animal Behavior Diary:

Activity: Students keep a diary for two weeks, recording daily weather conditions and observing how local animals (e.g., birds, insects) behave. They will then analyze patterns or changes.
Objective: Explore the relationship between local weather patterns and animal behavior.

3. Traditional vs. Scientific Weather Indicators:

Activity: Compare traditional knowledge (e.g., Indigenous practices) about weather indicators with modern scientific methods. Create a Venn diagram to show similarities and differences.
Objective: Examine how traditional knowledge and scientific methods can both contribute to understanding weather impacts on the environment.

4. Bison and Ecosystem Dynamics Model:

Activity: Build a model or create a simulation showing how bison affect the environment, including plant growth and soil health, based on seasonal migration patterns.
Objective: Understand the role of keystone species like bison in ecosystems and how their behaviors influence the environment.

5. Create a Phenological Calendar:

Activity: Develop a calendar that tracks phenological events such as plant blooming, animal migrations, and weather patterns over a year. Include observations and data collected from local wildlife.
Objective: Learn to recognize and predict seasonal events and their connection to weather changes.

6. Science and Traditional Knowledge Comparison:

Activity: Compare scientific explanations of animal behavior in relation to weather with traditional knowledge from different cultures. Create a Venn diagram to illustrate similarities and differences.
Objective: Investigate how science and traditional knowledge can complement each other in understanding animal behavior and weather.

7. Traditional Knowledge Exploration:

Activity: Research and present how indigenous peoples historically used animal behaviors to predict weather changes (e.g., how the migration of certain birds indicated seasonal changes).
Objective: Explore the role of traditional knowledge in understanding weather and animal behavior.

8. Traditional six season vs. four Seasons Exploration:

Activity: Compare and contrast the four seasons—spring, summer, autumn, and winter—with the six traditional seasons recognized by the nêhiyawak (Plains Cree). Students will research and create a visual representation of both seasonal systems. What are the seasonal recognitions by the francophone, Métis, nakawē Saulteaux, and yankton and yanktonai Nakota people?
Objective: Understand different cultural perspectives on seasons and how they influence environmental patterns and human activities.

pipon. It is winter.
sīkwan. It is spring.
miyoskamin. It is spring. Ice break up.
nīpin. It is summer.
takwākin. It is fall.
mikiskāw. It is late fall/first frost. Water freeze up.(Cree language of the Plains)

Inquiry-Based Learning Activities

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