Yearly Archives: 2014

Consejo Asesor para el Desarrollo Agro-forestal 4th March 2014

Meeting at Cyber Café, Caguas, 4th March 2014

NombreAgencia o grupo
Andrés Rúa GonzálezTropic Ventures Sustainable Forestry
Thrity VakilTropic Ventures Sustainable Forestry
Magaly FigueroaUSDA US Forest Service
Arnaldo AstacioDepartamento de Agricultura de Puerto Rico
Fernando ArroyoUSDA Natural Resources Conservation Service
Christina CabreraDepartamento de Recursos Naturales y Ambientales de PR
Enrique SantiagoDepartamento de Recursos Naturales y Ambientales de PR
Lisette FasCafiesencia
Franklin RománServicio de Extensión Agrícola
Mariano RobledoBamboo Puerto Rico
Maria BenedettiBotanicultura
Daniel CabanBamboo Puerto Rico
Sheila WardMahogany for the future
Félix Aponte GonzálezDepartamento de Recursos Naturales y Ambientales de PR
Enrique C. Colon BurgosAutoridad de Energía Eléctrica

Images by 3t Vakil, 2014

Pepperdine University Feb 22-28, 2014

This was our third year hosting a team from Pepperdine University at Las Casas de la Selva. Norman Greenhawk, as crew leader worked with the students on the main hill-trail and everyone worked super hard to build steps, and to make the walk up and down the hill much safer and more comfortable. Hauling rocks and gravel from the river and carrying then up hill was hard work, and it was extremely satisfying to us to see a group getting on so well with the task at hand. The materials used were recycled from all over the homestead and the wood was from the old drying shed that Pepperdine students helped us to deconstruct in 2013. The work was muddy, and in rainy conditions for a few days, but sunshine prevailed and we all had a superb time with this great bunch! Pepperdiners, we salute you all. Please stay in touch.

Pix below by: 3t, Katrina Kirsch, Evelyn Aleman, Anushree Mahajan.

Fryeburg Academy February 12-20, 2014

3t, Andrés, Norman and Magha appreciate the work and great company of Fryeburg students, February 2014

This wonderful team from Fryeburg Academy, worked with Andres and 3t to build the new nursery for the endangered endemic tree planting program. We have had a super time and we thank you all for help in clearing, pruning, tidying, and generally being a great clean-up crew on the homestead too! And in rainy conditions! The team also spent time with Norman on trail work, and carried out a frog study on a night-hike.

Thanks to Chris and Emily for bringing such a great team our way this year. We look forward to seeing Daniel at age three next year!

This program has been formulated to protect endangered flora and fauna by planting endangered endemic tree species, and working on habitat enhancement in subtropical wet forest. The location and the quality of the habitat of the 930-acre forest property of Las Casas de la Selva is ideal for the establishment of projects toward the recovery of various endangered endemic tree species. The property’s north-eastern border adjoins the Carite State Forest which contains another 6,660 acres of subtropical wet mountain forest land.

Tropic Ventures Research & Education Foundation are collaborating with US Fish and Wildlife Service (FWS) to develop habitat enhancement and restoration projects that benefit endangered endemic species of Puerto Rico

See images of this area being cleared by the last team from Vanderbilt University in December 2013.

Building a Tree Nursery

With Fryeburg Academy…

Fryeburg Academy students from Maine, are here helping us for the next several days. Led by Chris and Emily Strahler, they are working on composts, trails, but mainly on the new tree nursery for our endangered endemic tree planting program.

This program has been formulated to protect endangered flora and fauna by planting endangered endemic tree species, and working on habitat enhancement in subtropical wet forest. The location and the quality of the habitat of the 930-acre forest property of Las Casas de la Selva is ideal for the establishment of projects toward the recovery of various endangered endemic tree species. The property’s north-eastern border adjoins the Carite State Forest which contains another 6,660 acres of subtropical wet mountain forest land.

Tropic Ventures Research & Education Foundation are collaborating with US Fish and Wildlife Service (FWS) to develop habitat enhancement and restoration projects that benefit endangered endemic species of Puerto Rico.

And two year old Daniel going with the flow….

Herpetology in Puerto Rico

Norman has been invited to give a presentation of his work at The University of Puerto Rico in February 2014.

Norman Greenhawk was away from Las Casas de la Selva for the majority of 2013, from April through Mid-November, on travel and training on the Earthwatch Neville Shulman Award for Emerging Environmental Leaders. Norman won the award based on his proposal to study not only various species of reptiles and amphibians, but also to conduct ethno-herpetological interviews with local people through Central and South America to record attitudes, uses (medicinal, ritual, economic, etc), and beliefs about frogs, snakes, lizards, and crocodiles.

Norman’s travels took him to Panama, where he studied with the brilliant Dr. Julie Ray of La MICA and with the Smithsonian’s Panama Amphibian Rescue and Conservation project. Norman learned to catch and relocate endangered crocodiles with the American Crocodile Education Sanctuary in Belize. In Honduras, Norman learned the finer points of monitoring the endemic Utila Island Iguana, a species of lizard that is adapted to inhabit only the mangrove swamps of Utila Island. Norman ended his trip with a month in Bolivia, studying critically endangered frogs and interviewing the indigenous people who ran the “Mercado de las Brujas”.

Upon his return to Las Casas, Norman led an expedition into Icaco Valley with Jan Zegarra of the US FWS, and Maria Cristina of Universidad Metropolitana. The purpose of the trip was to monitor the population of Eleutherodactylus cooki, the “Coqui Guajon” that Norman discovered in December 2012, but there was a pleasant surprise. This expedition confirmed the presence of Eleutherodactylus richmondi, the “Coqui Caoba”, an IUCN critically-endangerd frog. According to Jan, whose Master’s thesis was on E. richmondi, there is only one other area in all of Puerto Rico where E. cooki and E. richmondi share habitat; Jan said this makes Icaco is a very special and unique location.

Ready, willing, and able.

Erin Dahl, (who first came here two years ago with a team from University of Miami), Christopher Sanchez, and Danielle Ungermann all participated in the January harvest of mahoe trees from around the homestead. Andres, chainsawyer, and 3t, felling buddy, were happy to have the help of these three ready, willing, and able apprentices, and together, everyone trained and learned something in the essential art of directional felling, using cuts, wedges, ropes, and a come-along (a small portable winch usually consisting of a cable attached to a hand-operated ratchet).Gentle gasps of astonishment were heard as 65 feet tall trees fell, and fortunately, they all fell exactly where Andres designated. The team have been busy clearing the slash (the small twigs and branches), and depositing it back into the forest for nutrients and erosion control. Thank you Erin, Chris, and Danielle, we have really appreciated your stay with us.

Collecting Ausubo seedlings

Collecting Ausubo seedlings sounds like an easy task, but carrying full tree bags up and down forest slopes back to the homestead is demanding physical labor.
Our current Earthwatch Team assisted with this task on New Years Eve, and in one morning we collected 110 Ausubo (Manilkara bidentata) seedlings.

Ausubo (Manilkara bidentata), also known a balata, is a large evergreen forest tree that was probably the most important timber tree of Puerto Rico. It grows best in Puerto Rico on alluvial plain where it may reach the age of 400 years. Ausubo is extremely tolerant of shade. The strong and attractive wood makes it highly valued commercially an it is widely used in the tropics for many woo products. The tree is often tapped for its milky latex the source of balata gum. Although growth is slow, ausubo is planted for shade and timber.

Ausubo is one of the strongest and most attractive commercial woods in Puerto Rico. It is widely used in the tropics for railway sleepers, bridging, heavy construction, furniture, turnery, flooring, violin bows, and billiard cues. Its strength, high wear resistance, and durability qualify the timber for use in textile and pulpmill equipment. Its excellent steam-bending properties make it suitable for boat frames and other bent work.

The heartwood is light red when cut and turns to dark reddish brown when dry. The sapwood is whitish to pale brown. The wood is very hard, strong, fine textured, and heavy, with a specific gravity of 0.85. The wood rates excellent for boring, fair for planing, and poor for turning. It is difficult to air season and shows severe checking and warp if dried too fast. The wood finishes very well and resembles mahogany.

This info is by Peter Weaver, one of our favorite foresters, and good friend. For more detailed info on this tree and its properties see: https://www.na.fs.fed.us/pubs/silvics_manual/volume_2/manikara/bidentata.htm

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