Wednesday, September 11, 2024

Bare Pond Maps

 By Richard B. Primack

 

“How little there is on an ordinary map! How little, I mean, that concerns the walker and lover of nature.” Henry David Thoreau in his Journal.

 

Bare Pond, a large vernal pool in the Webster Woods in Newton, has many unique features, including being a spring breeding site for yellow spotted salamanders. Inspiring a “Save the Salamanders” rallying cry, this species helped generate public support for Newton to acquire the land containing the pond from Boston College.

I decided to examine the pond more carefully and systematically over the past 8 months. Even though I have enjoyed and investigated the Webster Woods for more than 60 years, I wondered if I had missed secrets the pond may be hiding. What would a detailed study of Bare Pond reveal to me? 

Using a measuring tape, compass, and flagging, I began my observations by mapping the outline of the water around Bare Pond on graph paper. 


Map 1: The map drawn with measuring tape and compass.

 


The whole wetland is irregularly shaped (like a dragon flying south, if you use your imagination). The pond’s open water covers about 44% of the wetland, and is about 61 yards long and 30 yards wide. 

Kris Cafaro was able to convert my messy pencil drawing into a colorful map with special features highlighted, such as a water-filled, rock-edged slot adjacent to a rock overlook, a peninsula that constricts the swamp in the south, and a 19th century stone wall that forms the southwest border of the pond. 


Map 2: A map using a computer file and drawing tools.

 


Further refinements led to a final map with even more features included, such as paths and the bench. 


Map 3: The final map with additional features added. 

 


Using the map as a starting point, I made many other observations which I used to write an article about Bare Pond for the Newton Conservators newsletter: LINK


Saturday, September 7, 2024

Dwarf Trees

 By Richard Primack


“The value of any experience is measured, of course, not by the amount of money, but the amount of development that we get out of it.” Henry David Thoreau in his Journal.

 

The U.S. National Arboretum in Washington, DC has an outstanding collection of dwarf trees, shaped by decades of careful pruning and tending. In addition to a Japanese bonsai collection, there are also wonderful examples of Chinese penjing trees and bonsai trees produced by American experts.  


Three Chinese trees were especially notable:  


Photo 1: Trident maple (Acer buergerianum)

 


Photo 2: Dwarf umbrella tree (Schefflera arboricola)

 


Photo 3: Chinese elm (Ulmus parviflora)

 

 Three American bonsai were particularly striking:


Photo 4: Blue Atlas cedar (Cedrus atlantica)



Photo 5: Pitch pine (Pinus rigida)

 


Photo 6: Chinese juniper (Juniperus chinensis)