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Originally posted by SpeakerofTruth
Originally posted by forestlady
Here's the problem with overpopulation - what do we do when all the forests are gone? They're rapidly getting there already.
Did you know that there are more trees in the United States now, then there were 100 years ago? I am not arguing that deforestation is not a problem because it is, but I was just wondering if you knew this little tidbit of information.
Yeah that's right, liberals cannot see all the trees because of the forests, literally. Here's why. The statistic quoted most often is that there are 40% fewer forests in the US than 400 years ago. But fewer forests do not mean fewer trees, just as fewer farmers than 100 years ago does not mean fewer farm-stuffs produced.
Urban areas are not forests, yet they contain billions of trees. That's right billions. Urban areas in America cover 3.5 percent of the total land area and contain more than 75 percent of the population. In addition, urban areas contain approximately 3.8 billion trees with an average tree canopy cover of 27 percent. [Nowak, David J.; Noble, Mary H.; Sisinni, Susan M.; Dwyer, John F. 2001. Assessing the US Urban Forest Resources Journal of Forestry. Vol. 99 no. 3.:p. 37-42. (2001).] So although we have 40% fewer forests, per se, that does not mean we do not have the urban equivalent of forests in our cities.
One may wonder how many more trees these non-forest areas add to defined forests. Fortunately there are a number of studies that have done the research for us. Nonforest plots may have trees on them, but they do not fit FIA’s definition of forest because the area covered by trees is too small, too sparsely populated by trees, too narrow (e.g., trees between fields or in the middle of a divided highway), or has a disturbed understory (e.g., mowing or grazing) such that natural regeneration of trees probably does not occur. Recent inventories and associated photointerpretation work showed that 30 to 50 percent of these nonforest plots contained trees and were located in urban, suburban, industrial, and rural areas. Data were collected for trees on traditionally nonforest plots in a five-county area in Maryland that was 30 percent forested in 1999. Nonforest plots added at least 43 percent to the total-tree basal area measured on forest plots. [Riemann, Rachel 2003. Pilot Inventory of FIA plots traditionally called ‘nonforest' Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northeastern Research Station. 44 p..] This means that for every 100 trees in an area defined as a forest, the non-forest areas add another 43 trees. Add that to the trees in the 60% forests and we are up to 85% of the number of trees we had 400 years ago.
Now while it is true that in earlier centuries the lumber industry raped our timberlands, they changed their method of operations over a century ago to m
Just think, originally, almost half of the United States, three-quarters of Canada, almost all of Europe, the plains of the Levant, and much of the rest of the world were forested. The forests have been mostly removed for fuel, building materials and to clear land for farming. The clearing of the forests has been one of the most historic and prodigious feats of humanity.
Today, forests cover more than one quarter of the world's total land area, excluding polar regions. Slightly more than 50% of the forests are found in the tropics and the rest are temperate and boreal (coniferous northern forest) zones.
Seven countries (Russia, Brazil, Canada, the United States, China, Indonesia, and the Democratic Republic of Congo (formerly Zaire) account for more than 60% of the total.
There are over 25 countries in both North and Central America. Each one has its own reason for deforestation in their place. Some of such countries are Mexico, Canada, Dominica, Costa Rica, Honduras, and the United States which are examples of the ones considering deforestation in their areas. In all of North and Central America there is 549,304 hectares of forest area in 2,136,966 hectares of total land area. Of all 17,533 hectares is plantation area. Seven of the forests existing in these continents are are in danger of being deforested. Mostly they are threatened by logging, mining, and pollution. There are many cultures that are being vanished along with the forests. Along with all of that could be a plant that could give a cure for cancer or even help end world hunger.
Forest fragmentation by roads in Central Africa. This study shows that 42% of forest area in the six countries is within 10 km of a road and more than 90% is within 50 km of a road (Source: WRI Earthtrends).
Most people assume that global warming is caused by burning oil and gas. But in fact between 25 and 30 percent of the greenhouse gases released into the atmosphere each year â€“ 1.6 billion tonnes â€“ is caused by deforestation.
About 200 experts, mostly from developing countries, met in Rome last week to address this issue in a workshop organized by the United Nations Framework Convention on Climate Change (UNFCCC) and hosted by FAO. â€œWe are working to solve two of the key environmental issues â€“ deforestation and global warming â€“ at the same time,â€ said FAO Senior Forestry Officer Dieter Schoene.
Trees are 50 percent carbon. When they are felled or burned, the C02 they store escapes back into the air. According to FAO figures, some 13 million ha of forests worldwide are lost every year, almost entirely in the tropics. Deforestation remains high in Africa, Latin America and Southeast Asia.
Genetically Engineered Trees:
Promise and Concerns
Transgenic trees offer potential solutions to a number of forestry problems, yet the regulatory history for these trees in the United States is very short, explains RFF scholar Roger Sedjo in his new report, Genetically Engineered Trees: Promise and Concerns. The report focuses on the implementation of the Plant Protection Act and related regulations as the Act has been applied to transgenic trees.
Timber sources in the United States and throughout the world have evolved in recent decades, so that by the end of the 20th century, plantation forests accounted for about one-third of harvested industrial wood globally.
In addition to providing wood at a lower cost, these high-yield planted forests have the potential desirable environmental side effect of drawing timber harvests away from natural and old-growth forests.
posted by forestlady
I conclude the root cause of almost all of the world's ills is overpopulation. There would be less hungry people, less poverty, less violence less anthropogenic global warming, less impact on the environment and less crime. I want to ask on this thread:
Why aren't we addressing the overpopulation problem? We are beyond Earth's capability of supporting us . . The prehistoric ancients practiced birth control . . They recognized too many people meant everyone starves. Why can't we see that? Why are there articles lamenting the lowered birth rates in France and Italy? I'd like to know what everyone's thoughts are on this - why aren't we talking about overpopulation? [Edited by Don W]