Reforest The Tropics

An applied research program demonstrating climate change mitigation through sustainable farm forestry

Layer-Cake Design in the Connecticut College Carbon-Offest Forest

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Many of Reforest the Tropics’ carbon-offset forests implement an innovative “layer cake” design—i.e., a stratified mixture of planted trees which combines fast growth, potential income, strong long-term carbon storage, and ancillary environmental benefits.

A nine-year-old deglupta hybrid tree in the Connecticut College Carbon-Offset Forest.  Photo taken Feb. 4, 2009.

A nine-year-old deglupta hybrid tree in the Connecticut College Carbon-Offset Forest. Photo taken Feb. 4, 2009.

The Connecticut College Carbon-Offset Forest is one such forest.  Planted by RTT in 1999, the Connecticut College forest was designed to offset the carbon dioxide emissions associated with the Crozier-Williams Student Center on the college’s campus in New London, Connecticut.

The nine-year-old deglupta hybrid tree shown in this photo is part of the A-layer (above the B- and C-layers) of the specially designed forest, which is located in the the Las Delicias Farm in Costa Rica.

RTT developed the hybrid deglupta tree for its fast growth and other advantageous characteristics.  Tall, straight and widely spaced, the deglupta tree has a light crown that allows light to filter through to the B-layer that contains several species.  Not visible in this photo is the C-layer of Klinkii trees; the C-layer grows underneath the other trees to capture the remainder of the solar energy and increase total production in the forest.

By planting, managing, and monitoring forests such as that sponsored by Connecticut College, RTT continues to improve its innovative designs for tropical carbon-offset forests.

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