HOME >> BIOLOGY >> NEWS
Duke Ecologist Says Logging Is Creating 'Mahogany Deserts'

o grow new mahoganies in the clearings opened up by wind and fire.

The regeneration process may be even more complicated. In a recent revisit to Quintana Roo, Snook found that mahogany seeds can actually successfully germinate and begin growing in the shade. It's only after they run out of their own stored food -- perhaps a year after germination begins -- that the tiny shoots need open sunlight to make food through the photosynthetic process.

At a study site in Belize as well as in Mexico, Snook is dropping mahogany seeds onto cornfields to see if the species can also be regenerated and managed in conjunction with shifting agriculture.

"I'm sure that's what happened in the past," she said. "Not only did mahoganies have the benefit of hurricanes and fires. They also had the benefit of Mayans who created little openings in the forest and then abandoned them after they finished a year or two of corn production."

Using a rough calculation, Snook predicted that a 500-year old mahogany tree may produce half a million seeds over its long life. "Most seeds die," she said. "Very few come to anything. But only one seed can replace its parent."

Another consideration is that mahogany seeds are only viable for a matter of months before they biodegrade and die, she noted. That means they cannot be stored and preserved indefinitely in the ground the ways seeds of many other plants can.

In her article in Botanical Journal of the Linnean Society, Snook warns that the way mahoganies reproduce makes them "vulnerable to logging, first because juvenile mahoganies are not found in the understory, and secondly because logging operations shortcircuit mahogany regeneration processes. ..."

Logging interferes "by selectively removing almost all mahogany seed sources while leaving standing competing vegetation of other species," she writes.

Snook's article also supports the American mahogany's listing under Appendix II of
'"/>

Contact: Monte Basgall
basgallm@mail01.adm.duke.edu
919-681-8057
Duke University
24-Sep-1996


Page: 1 2 3 4 5 6

Related biology news :

1. Ecologists help keep death off the roads
2. Ecologist calls for creation of an international panel to assess human behavior
3. Ecologists book on introduced species destructiveness
4. Ecologists simplify population theory
5. Ecologist Gretchen Daily advocates saving the planet by making conservation profitable
6. Paul Ehrlich named Eminent Ecologist for 2001
7. Ecologist wins international award
8. CTC Visualizations Help Ecologists See The Forest And The Trees
9. First-Of-A-Kind Study By University Of Georgia Ecologist Estimates Role Of Natural Forces On Insect Populations
10. Creating polymers that act like biomolecules
11. Creating a standard spectrum of smell

Post Your Comments:
*Name:
*Comment:
*Email:


(Date:4/5/2017)... , April 4, 2017 KEY FINDINGS ... anticipated to expand at a CAGR of 25.76% during ... diseases is the primary factor for the growth of ... report: https://www.reportbuyer.com/product/4807905/ MARKET INSIGHTS The global ... product, technology, application, and geography. The stem cell market ...
(Date:3/30/2017)... -- Trends, opportunities and forecast in this market to ... AFIS, iris recognition, facial recognition, hand geometry, vein recognition, ... industry (government and law enforcement, commercial and retail, health ... and by region ( North America , ... , and the Rest of the World) ...
(Date:3/24/2017)... Research and Markets has announced the addition of the ... Industry Forecast to 2025" report to their offering. ... The Global Biometric Vehicle Access ... 15.1% over the next decade to reach approximately $1,580 million by ... and forecasts for all the given segments on global as well ...
Breaking Biology News(10 mins):
(Date:10/11/2017)... ... October 11, 2017 , ... ... has granted orphan drug designation to SBT-100, its novel anti-STAT3 (Signal Transducer and ... of osteosarcoma. SBT-100 is able to cross the cell membrane and bind intracellular ...
(Date:10/10/2017)... ... 10, 2017 , ... Dr. Bob Harman, founder and CEO of VetStem ... The event entitled “Stem Cells and Their Regenerative Powers,” was held ... Harman, DVM, MPVM was joined by two human doctors: Peter B. Hanson, M.D., Chief ...
(Date:10/10/2017)... ... 10, 2017 , ... The Pittcon Program Committee is pleased ... scientists who have made outstanding contributions to analytical chemistry and applied spectroscopy. Each ... leading conference and exposition for laboratory science, which will be held February 26-March ...
(Date:10/9/2017)... ... October 09, 2017 , ... The Giving Tree Wellness ... targeting the needs of consumers who are incorporating medical marijuana into their wellness ... Arizona. , As operators of two successful Valley dispensaries, The Giving Tree’s two ...
Breaking Biology Technology:
Cached News: