Nature Calls: Conversations from the Hudson Valley
Leisure:Home & Garden
Fred Breglia, executive director of the Landis Arboretum, located in Esperance, NY. He rejoins Nature Calls: Conversations from the Hudson Valley with a continuation of a discussion on Old Growth Forests. In addition to being known as the “Tree Man”, he has also been called the “Lord of the Rings”.
In this episode, we learn about the characteristics of old growth forests. They tend to have trees that are large including standing ones, snags, as well as large fallen/dead ones. ‘Ugly’ trees with scars show their ability to survive despite damage from wind, lightning, insects and other injuries incurred over long periods of time. There may be openings in the canopy that are created when older trees die. This results in sunlight hitting the forest floor encourage new growth that creates diversity in tree species and size of trees. When a tree blows over, the roots that are torn from the ground create pits and the fallen trunk/branches form mounds nearby, encouraging nutrients to return to the soil.
Nature is constantly changing the forest. Disturbances force a shift in the in the dominant species found within a forest. The life span of an oak can reach 500 years but there are some white cedar trees that are over 1000 years old. The age of a tree can be ascertained by coring which entails twisting a borer (which is a cross between a drill and a screw) into a tree. As the tip of the borer is hollow, it screws in around a pencil-sized section of tree. By counting the rings, the trees age can be determined as well as its growth rate over time. Comparing the ring lengths to weather records, scientists can learn how changes in climate affect how trees grown. Counting rings of fallen tree limbs can also support or confirm the age of the main trunk. Thus, we can think of trees in a forest as a growing library of information where there are many things to learn!
Like trees in a forest, take the time to stand tall, be proud, and enjoy the view as you listen to this episode.
Hosts: Tim Kennelty and Jean Thomas
Guest: Fred Breglia
Photo by: Teresa Golden
Production Support: Linda Aydlett, Deven Connelly, Teresa Golden, Xandra Powers, Annie Scibienski
ResourcesEpisode 118: Microgreens
Episode 117: Grapes of the Hudson Valley
Episode 116: Weeds and IPM
Episode 115: John Bartram
Episode 114: Living with Wildlife (Part 2)
Episode 113: Living with Wildlife (Part 1)
Episode 112: Bob Beyfuss
Episode 111: Veggie Patch Retrospective (Part 3)
Episode 110: Veggie Patch Retrospective (Part 2)
Episode 109: Veggie Patch Retrospective (Part 1)
Episode 108: NYS Forest Rangers
Episode 107: Master Naturalist Program
Episode 106: Great Backyard Bird Count
Episode 105: NYS Master Gardener Program
Episode 104: An MGV's Perspective
Episode 103: Hum of the Hive Retrospective - Part 2
Episode 102: Hum of the Hive Retrospective (Part 1)
Episode 101: Pollarding
Episode 100: Oak Trees
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